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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.530 by root, Wed Apr 28 21:05:33 2010 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
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	238	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	258	my $msg = join "", @_;
176		259
177	$msg .= "\n"	260	$msg .= "\n"
178	unless $msg =~ /\n$/;	261	unless $msg =~ /\n$/;
179		262
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	263	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		264
182	utf8::encode $msg;
183	LOG llevError, $msg;	265	LOG llevError, $msg;
184	};	266	};
185	}	267
		268	$Coro::State::DIEHOOK = sub {
		269	return unless $^S eq 0; # "eq", not "=="
		270
		271	warn Carp::longmess $_[0];
		272
		273	if (in_main) {#d#
		274	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		275	return;#d#
		276	}#d#
		277
		278	# kill coroutine otherwise
		279	Coro::terminate
		280	};
186		281
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	282	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	283	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	284	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	285	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	286	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		287	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	288	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		289
194	# we bless all objects into (empty) derived classes to force a method lookup	290	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	291	# within the Safe compartment.
196	for my $pkg (qw(	292	for my $pkg (qw(
197	cf::global cf::attachable	293	cf::global cf::attachable
198	cf::object cf::object::player	294	cf::object cf::object::player
199	cf::client cf::player	295	cf::client cf::player
200	cf::arch cf::living	296	cf::arch cf::living
		297	cf::map cf::mapspace
201	cf::map cf::party cf::region	298	cf::party cf::region
202	)) {	299	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	300	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	301	}
206		302
207	$Event::DIED = sub {	303	$EV::DIED = sub {
208	warn "error in event callback: @_";	304	Carp::cluck "error in event callback: @_";
209	};	305	};
		306
		307	#############################################################################
210		308
211	=head2 UTILITY FUNCTIONS	309	=head2 UTILITY FUNCTIONS
212		310
213	=over 4	311	=over 4
214		312
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	331	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	332	$d
235	} || "[unable to dump $_[0]: '$@']";	333	} || "[unable to dump $_[0]: '$@']";
236	}	334	}
237		335
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	336	=item $ref = cf::decode_json $json
241		337
242	Converts a JSON string into the corresponding perl data structure.	338	Converts a JSON string into the corresponding perl data structure.
243		339
244	=item $json = cf::to_json $ref	340	=item $json = cf::encode_json $ref
245		341
246	Converts a perl data structure into its JSON representation.	342	Converts a perl data structure into its JSON representation.
247		343
		344	=cut
		345
		346	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		347
		348	sub encode_json($) { $json_coder->encode ($_[0]) }
		349	sub decode_json($) { $json_coder->decode ($_[0]) }
		350
		351	=item cf::post_init { BLOCK }
		352
		353	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		354	but I<before> the server starts ticking again.
		355
		356	The cdoeblock will have a single boolean argument to indicate whether this
		357	is a reload or not.
		358
		359	=cut
		360
		361	sub post_init(&) {
		362	push @POST_INIT, shift;
		363	}
		364
248	=item cf::lock_wait $string	365	=item cf::lock_wait $string
249		366
250	Wait until the given lock is available. See cf::lock_acquire.	367	Wait until the given lock is available. See cf::lock_acquire.
251		368
252	=item my $lock = cf::lock_acquire $string	369	=item my $lock = cf::lock_acquire $string
253		370
254	Wait until the given lock is available and then acquires it and returns	371	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	372	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	373	for example when the coroutine gets canceled), the lock is automatically
257	returned.	374	returned.
258		375
		376	Locks are *not* recursive, locking from the same coro twice results in a
		377	deadlocked coro.
		378
259	Lock names should begin with a unique identifier (for example, cf::map::find	379	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	380	uses map_find and cf::map::load uses map_load).
261		381
262	=item $locked = cf::lock_active $string	382	=item $locked = cf::lock_active $string
263		383
264	Return true if the lock is currently active, i.e. somebody has locked it.	384	Return true if the lock is currently active, i.e. somebody has locked it.
265		385
266	=cut	386	=cut
267		387
268	our %LOCK;	388	our $LOCKS = new Coro::SemaphoreSet;
269		389
270	sub lock_wait($) {	390	sub lock_wait($) {
271	my ($key) = @_;	391	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	392	}
279		393
280	sub lock_acquire($) {	394	sub lock_acquire($) {
281	my ($key) = @_;	395	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	396	}
293		397
294	sub lock_active($) {	398	sub lock_active($) {
295	my ($key) = @_;	399	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	400	}
299		401
300	sub freeze_mainloop {	402	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	403	tick_inhibit_inc;
302		404
303	my $guard = Coro::guard {	405	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	406	}
		407
		408	=item cf::periodic $interval, $cb
		409
		410	Like EV::periodic, but randomly selects a starting point so that the actions
		411	get spread over time.
		412
		413	=cut
		414
		415	sub periodic($$) {
		416	my ($interval, $cb) = @_;
		417
		418	my $start = rand List::Util::min 180, $interval;
		419
		420	EV::periodic $start, $interval, 0, $cb
		421	}
		422
		423	=item cf::get_slot $time[, $priority[, $name]]
		424
		425	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		426	This call blocks and returns only when you have at least C<$time> seconds
		427	of cpu time till the next tick. The slot is only valid till the next cede.
		428
		429	The optional C<$name> can be used to identify the job to run. It might be
		430	used for statistical purposes and should identify the same time-class.
		431
		432	Useful for short background jobs.
		433
		434	=cut
		435
		436	our @SLOT_QUEUE;
		437	our $SLOT_QUEUE;
		438	our $SLOT_DECAY = 0.9;
		439
		440	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		441	$SLOT_QUEUE = Coro::async {
		442	$Coro::current->desc ("timeslot manager");
		443
		444	my $signal = new Coro::Signal;
		445	my $busy;
		446
		447	while () {
		448	next_job:
		449
		450	my $avail = cf::till_tick;
		451
		452	for (0 .. $#SLOT_QUEUE) {
		453	if ($SLOT_QUEUE[$_][0] <= $avail) {
		454	$busy = 0;
		455	my $job = splice @SLOT_QUEUE, $_, 1, ();
		456	$job->[2]->send;
		457	Coro::cede;
		458	goto next_job;
		459	} else {
		460	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		461	}
		462	}
		463
		464	if (@SLOT_QUEUE) {
		465	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		466	push @cf::WAIT_FOR_TICK, $signal;
		467	$signal->wait;
		468	} else {
		469	$busy = 0;
		470	Coro::schedule;
		471	}
305	};	472	}
306	$TICK_WATCHER->stop;	473	};
307	$guard	474
		475	sub get_slot($;$$) {
		476	return if tick_inhibit || $Coro::current == $Coro::main;
		477
		478	my ($time, $pri, $name) = @_;
		479
		480	$time = clamp $time, 0.01, $TICK * .6;
		481
		482	my $sig = new Coro::Signal;
		483
		484	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		485	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		486	$SLOT_QUEUE->ready;
		487	$sig->wait;
308	}	488	}
309		489
310	=item cf::async { BLOCK }	490	=item cf::async { BLOCK }
311		491
312	Currently the same as Coro::async_pool, meaning you cannot use	492	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		497
318	BEGIN { *async = \&Coro::async_pool }	498	BEGIN { *async = \&Coro::async_pool }
319		499
320	=item cf::sync_job { BLOCK }	500	=item cf::sync_job { BLOCK }
321		501
322	The design of crossfire+ requires that the main coro ($Coro::main) is	502	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	503	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	504	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		505	acceptable.
325		506
326	If it must be done, put the blocking parts into C<sync_job>. This will run	507	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	508	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	509	server will be frozen during this time, so the block should either finish
329	fast or be very important.	510	fast or be very important.
…		…
332		513
333	sub sync_job(&) {	514	sub sync_job(&) {
334	my ($job) = @_;	515	my ($job) = @_;
335		516
336	if ($Coro::current == $Coro::main) {	517	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	518	my $time = AE::time;
338		519
339	# this is the main coro, too bad, we have to block	520	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	521	# till the operation succeeds, freezing the server :/
341		522
342	# TODO: use suspend/resume instead	523	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	524
344	my $freeze_guard = freeze_mainloop;	525	my $freeze_guard = freeze_mainloop;
345		526
346	my $busy = 1;	527	my $busy = 1;
347	my @res;	528	my @res;
348		529
349	(async {	530	(async {
		531	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	532	@res = eval { $job->() };
351	warn $@ if $@;	533	warn $@ if $@;
352	undef $busy;	534	undef $busy;
353	})->prio (Coro::PRIO_MAX);	535	})->prio (Coro::PRIO_MAX);
354		536
355	while ($busy) {	537	while ($busy) {
356	Coro::cede or Event::one_event;	538	if (Coro::nready) {
		539	Coro::cede_notself;
		540	} else {
		541	EV::loop EV::LOOP_ONESHOT;
357	}	542	}
		543	}
358		544
359	$time = Event::time - $time;	545	my $time = AE::time - $time;
360		546
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	547	$TICK_START += $time; # do not account sync jobs to server load
365		548
366	wantarray ? @res : $res[0]	549	wantarray ? @res : $res[0]
367	} else {	550	} else {
368	# we are in another coroutine, how wonderful, everything just works	551	# we are in another coroutine, how wonderful, everything just works
369		552
…		…
389	$EXT_CORO{$coro+0} = $coro;	572	$EXT_CORO{$coro+0} = $coro;
390		573
391	$coro	574	$coro
392	}	575	}
393		576
394	sub write_runtime {	577	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		578
397	# first touch the runtime file to show we are still running:	579	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	580	process, returning the results. Everything must be serialisable with
		581	Coro::Storable. May, of course, block. Note that the executed sub may
		582	never block itself or use any form of event handling.
399		583
400	IO::AIO::aio_utime $runtime, undef, undef;	584	=cut
401		585
402	my $guard = cf::lock_acquire "write_runtime";	586	sub fork_call(&@) {
		587	my ($cb, @args) = @_;
403		588
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	589	# we seemingly have to make a local copy of the whole thing,
405	or return;	590	# otherwise perl prematurely frees the stuff :/
		591	# TODO: investigate and fix (likely this will be rather laborious)
406		592
407	my $value = $cf::RUNTIME + 90 + 10;	593	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	594	reset_signals;
409	# 60 allows for the watchdog to kill the server.	595	&$cb
		596	}, @args;
410		597
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	598	wantarray ? @res : $res[-1]
412	and return;	599	}
413		600
414	# always fsync - this file is important	601	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	602	(
		603	"counter value" => cf::object::object_count,
		604	"objects created" => cf::object::create_count,
		605	"objects destroyed" => cf::object::destroy_count,
		606	"freelist size" => cf::object::free_count,
		607	"allocated objects" => cf::object::objects_size,
		608	"active objects" => cf::object::actives_size,
		609	)
		610	}
		611
		612	=item $coin = coin_from_name $name
		613
		614	=cut
		615
		616	our %coin_alias = (
		617	"silver" => "silvercoin",
		618	"silvercoin" => "silvercoin",
		619	"silvercoins" => "silvercoin",
		620	"gold" => "goldcoin",
		621	"goldcoin" => "goldcoin",
		622	"goldcoins" => "goldcoin",
		623	"platinum" => "platinacoin",
		624	"platinumcoin" => "platinacoin",
		625	"platinumcoins" => "platinacoin",
		626	"platina" => "platinacoin",
		627	"platinacoin" => "platinacoin",
		628	"platinacoins" => "platinacoin",
		629	"royalty" => "royalty",
		630	"royalties" => "royalty",
		631	);
		632
		633	sub coin_from_name($) {
		634	$coin_alias{$_[0]}
		635	? cf::arch::find $coin_alias{$_[0]}
		636	: undef
		637	}
		638
		639	=item $value = cf::db_get $family => $key
		640
		641	Returns a single value from the environment database.
		642
		643	=item cf::db_put $family => $key => $value
		644
		645	Stores the given C<$value> in the family. It can currently store binary
		646	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		647
		648	=item $db = cf::db_table "name"
		649
		650	Create and/or open a new database table. The string must not be "db" and must be unique
		651	within each server.
		652
		653	=cut
		654
		655	sub db_table($) {
		656	my ($name) = @_;
		657	my $db = BDB::db_create $DB_ENV;
		658
		659	eval {
		660	$db->set_flags (BDB::CHKSUM);
		661
		662	utf8::encode $name;
		663	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		664	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		665	cf::cleanup "db_open(db): $!" if $!;
		666	};
		667	cf::cleanup "db_open(db): $@" if $@;
		668
		669	$db
		670	}
		671
		672	our $DB;
		673
		674	sub db_init {
		675	cf::sync_job {
		676	$DB ||= db_table "db";
		677	};
		678	}
		679
		680	sub db_get($$) {
		681	my $key = "$_[0]/$_[1]";
		682
		683	cf::sync_job {
		684	BDB::db_get $DB, undef, $key, my $data;
		685
		686	$! ? ()
		687	: $data
		688	}
		689	}
		690
		691	sub db_put($$$) {
		692	BDB::dbreq_pri 4;
		693	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		694	}
		695
		696	=item cf::cache $id => [$paths...], $processversion => $process
		697
		698	Generic caching function that returns the value of the resource $id,
		699	caching and regenerating as required.
		700
		701	This function can block.
		702
		703	=cut
		704
		705	sub cache {
		706	my ($id, $src, $processversion, $process) = @_;
		707
		708	my $meta =
		709	join "\x00",
		710	$processversion,
		711	map {
		712	aio_stat $_
		713	and Carp::croak "$_: $!";
		714
		715	($_, (stat _)[7,9])
		716	} @$src;
		717
		718	my $dbmeta = db_get cache => "$id/meta";
		719	if ($dbmeta ne $meta) {
		720	# changed, we may need to process
		721
		722	my @data;
		723	my $md5;
		724
		725	for (0 .. $#$src) {
		726	0 <= aio_load $src->[$_], $data[$_]
		727	or Carp::croak "$src->[$_]: $!";
		728	}
		729
		730	# if processing is expensive, check
		731	# checksum first
		732	if (1) {
		733	$md5 =
		734	join "\x00",
		735	$processversion,
		736	map {
		737	cf::cede_to_tick;
		738	($src->[$_], Digest::MD5::md5_hex $data[$_])
		739	} 0.. $#$src;
		740
		741
		742	my $dbmd5 = db_get cache => "$id/md5";
		743	if ($dbmd5 eq $md5) {
		744	db_put cache => "$id/meta", $meta;
		745
		746	return db_get cache => "$id/data";
		747	}
		748	}
		749
		750	my $t1 = Time::HiRes::time;
		751	my $data = $process->(\@data);
		752	my $t2 = Time::HiRes::time;
		753
		754	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		755
		756	db_put cache => "$id/data", $data;
		757	db_put cache => "$id/md5" , $md5;
		758	db_put cache => "$id/meta", $meta;
		759
		760	return $data;
		761	}
		762
		763	db_get cache => "$id/data"
430	}	764	}
431		765
432	=item cf::datalog type => key => value, ...	766	=item cf::datalog type => key => value, ...
433		767
434	Log a datalog packet of the given type with the given key-value pairs.	768	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		780
447	#############################################################################	781	#############################################################################
448		782
449	=head2 ATTACHABLE OBJECTS	783	=head2 ATTACHABLE OBJECTS
450		784
451	Many objects in crossfire are so-called attachable objects. That means you can	785	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	786	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	787	to it. All such attachable objects support the following methods.
454		788
455	In the following description, CLASS can be any of C<global>, C<object>	789	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	790	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	791	Deliantra).
458		792
459	=over 4	793	=over 4
460		794
461	=item $attachable->attach ($attachment, key => $value...)	795	=item $attachable->attach ($attachment, key => $value...)
462		796
…		…
506	=item cf::CLASS::attachment $name, ...	840	=item cf::CLASS::attachment $name, ...
507		841
508	Register an attachment by C<$name> through which attachable objects of the	842	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	843	given CLASS can refer to this attachment.
510		844
511	Some classes such as crossfire maps and objects can specify attachments	845	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	846	that are attached at load/instantiate time, thus the need for a name.
513		847
514	These calls expect any number of the following handler/hook descriptions:	848	These calls expect any number of the following handler/hook descriptions:
515		849
516	=over 4	850	=over 4
…		…
664	_attach $registry, $klass, @attach;	998	_attach $registry, $klass, @attach;
665	}	999	}
666		1000
667	$obj->{$name} = \%arg;	1001	$obj->{$name} = \%arg;
668	} else {	1002	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1003	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	1004	}
671		1005
672	$obj->{_attachment}{$name} = undef;	1006	$obj->{_attachment}{$name} = undef;
673	}	1007	}
674		1008
…		…
714	";	1048	";
715	die if $@;	1049	die if $@;
716	}	1050	}
717		1051
718	our $override;	1052	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1053	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1054
721	sub override {	1055	sub override {
722	$override = 1;	1056	$override = 1;
723	@invoke_results = ();	1057	@INVOKE_RESULTS = (@_);
724	}	1058	}
725		1059
726	sub do_invoke {	1060	sub do_invoke {
727	my $event = shift;	1061	my $event = shift;
728	my $callbacks = shift;	1062	my $callbacks = shift;
729		1063
730	@invoke_results = ();	1064	@INVOKE_RESULTS = ();
731		1065
732	local $override;	1066	local $override;
733		1067
734	for (@$callbacks) {	1068	for (@$callbacks) {
735	eval { &{$_->[1]} };	1069	eval { &{$_->[1]} };
…		…
744	}	1078	}
745		1079
746	0	1080	0
747	}	1081	}
748		1082
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1083	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1084
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1085	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1086
753	Generate an object-specific event with the given arguments.	1087	Generate an object-specific event with the given arguments.
754		1088
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1089	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1090	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1091	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1092
759	=back	1093	=back
760		1094
761	=cut	1095	=cut
762		1096
763	#############################################################################	1097	#############################################################################
764	# object support	1098	# object support
		1099
		1100	sub _object_equal($$);
		1101	sub _object_equal($$) {
		1102	my ($a, $b) = @_;
		1103
		1104	return 0 unless (ref $a) eq (ref $b);
		1105
		1106	if ("HASH" eq ref $a) {
		1107	my @ka = keys %$a;
		1108	my @kb = keys %$b;
		1109
		1110	return 0 if @ka != @kb;
		1111
		1112	for (0 .. $#ka) {
		1113	return 0 unless $ka[$_] eq $kb[$_];
		1114	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1115	}
		1116
		1117	} elsif ("ARRAY" eq ref $a) {
		1118
		1119	return 0 if @$a != @$b;
		1120
		1121	for (0 .. $#$a) {
		1122	return 0 unless _object_equal $a->[$_], $b->[$_];
		1123	}
		1124
		1125	} elsif ($a ne $b) {
		1126	return 0;
		1127	}
		1128
		1129	1
		1130	}
		1131
		1132	our $SLOW_MERGES;#d#
		1133	sub _can_merge {
		1134	my ($ob1, $ob2) = @_;
		1135
		1136	++$SLOW_MERGES;#d#
		1137
		1138	# we do the slow way here
		1139	return _object_equal $ob1, $ob2
		1140	}
765		1141
766	sub reattach {	1142	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1143	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1144	my ($obj) = @_;
769		1145
		1146	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1147	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1148
772	my $registry = $obj->registry;	1149	my $registry = $obj->registry;
773		1150
774	@$registry = ();	1151	@$registry = ();
775		1152
…		…
790	cf::attachable->attach (	1167	cf::attachable->attach (
791	prio => -1000000,	1168	prio => -1000000,
792	on_instantiate => sub {	1169	on_instantiate => sub {
793	my ($obj, $data) = @_;	1170	my ($obj, $data) = @_;
794		1171
795	$data = from_json $data;	1172	$data = decode_json $data;
796		1173
797	for (@$data) {	1174	for (@$data) {
798	my ($name, $args) = @$_;	1175	my ($name, $args) = @$_;
799		1176
800	$obj->attach ($name, %{$args || {} });	1177	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1193	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1194	my ($filename, $rdata, $objs) = @_;
818		1195
819	sync_job {	1196	sync_job {
820	if (length $$rdata) {	1197	if (length $$rdata) {
		1198	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1199	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1200	$decname, length $$rdata, scalar @$objs
		1201	if $VERBOSE_IO;
823		1202
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1203	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1204	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1205	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1206	if ($cf::USE_FSYNC) {
		1207	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;
		1208	aio_fsync $fh;
		1209	}
828	close $fh;	1210	aio_close $fh;
829		1211
830	if (@$objs) {	1212	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1213	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1214	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1215	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1216	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1217	if ($cf::USE_FSYNC) {
		1218	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;
		1219	aio_fsync $fh;
		1220	}
836	close $fh;	1221	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1222	aio_rename "$filename.pst~", "$filename.pst";
838	}	1223	}
839	} else {	1224	} else {
840	aio_unlink "$filename.pst";	1225	aio_unlink "$filename.pst";
841	}	1226	}
842		1227
843	aio_rename "$filename~", $filename;	1228	aio_rename "$filename~", $filename;
		1229
		1230	$filename =~ s%/[^/]+$%%;
		1231	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1232	} else {
845	warn "FATAL: $filename~: $!\n";	1233	warn "unable to save objects: $filename~: $!\n";
846	}	1234	}
847	} else {	1235	} else {
848	aio_unlink $filename;	1236	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1237	aio_unlink "$filename.pst";
850	}	1238	}
851	}	1239	};
852	}	1240	}
853		1241
854	sub object_freezer_as_string {	1242	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1243	my ($rdata, $objs) = @_;
856		1244
…		…
868	or return;	1256	or return;
869		1257
870	unless (aio_stat "$filename.pst") {	1258	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1259	(aio_load "$filename.pst", $av) >= 0
872	or return;	1260	or return;
		1261
873	$av = eval { (Storable::thaw $av)->{objs} };	1262	my $st = eval { Coro::Storable::thaw $av };
		1263	$av = $st->{objs};
874	}	1264	}
875		1265
		1266	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1267	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1268	$decname, length $data, scalar @{$av || []}
		1269	if $VERBOSE_IO;
		1270
878	return ($data, $av);	1271	($data, $av)
879	}	1272	}
		1273
		1274	=head2 COMMAND CALLBACKS
		1275
		1276	=over 4
		1277
		1278	=cut
880		1279
881	#############################################################################	1280	#############################################################################
882	# command handling &c	1281	# command handling &c
883		1282
884	=item cf::register_command $name => \&callback($ob,$args);	1283	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1296	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1297	}
899		1298
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1299	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1300
902	Register a callbackf ro execution when the client sends an extcmd packet.	1301	Register a callback for execution when the client sends an (synchronous)
		1302	extcmd packet. Ext commands will be processed in the order they are
		1303	received by the server, like other user commands. The first argument is
		1304	the logged-in player. Ext commands can only be processed after a player
		1305	has logged in successfully.
903		1306
904	If the callback returns something, it is sent back as if reply was being	1307	If the callback returns something, it is sent back as if reply was being
905	called.	1308	called.
906		1309
		1310	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1311
		1312	Register a callback for execution when the client sends an (asynchronous)
		1313	exticmd packet. Exti commands are processed by the server as soon as they
		1314	are received, i.e. out of order w.r.t. other commands. The first argument
		1315	is a client socket. Exti commands can be received anytime, even before
		1316	log-in.
		1317
		1318	If the callback returns something, it is sent back as if reply was being
		1319	called.
		1320
907	=cut	1321	=cut
908		1322
909	sub register_extcmd {	1323	sub register_extcmd {
910	my ($name, $cb) = @_;	1324	my ($name, $cb) = @_;
911		1325
912	$EXTCMD{$name} = $cb;	1326	$EXTCMD{$name} = $cb;
913	}	1327	}
914		1328
		1329	sub register_exticmd {
		1330	my ($name, $cb) = @_;
		1331
		1332	$EXTICMD{$name} = $cb;
		1333	}
		1334
		1335	use File::Glob ();
		1336
915	cf::player->attach (	1337	cf::player->attach (
916	on_command => sub {	1338	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1339	my ($pl, $name, $params) = @_;
918		1340
919	my $cb = $COMMAND{$name}	1341	my $cb = $COMMAND{$name}
920	or return;	1342	or return;
921		1343
…		…
926	cf::override;	1348	cf::override;
927	},	1349	},
928	on_extcmd => sub {	1350	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1351	my ($pl, $buf) = @_;
930		1352
931	my $msg = eval { from_json $buf };	1353	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1354
933	if (ref $msg) {	1355	if (ref $msg) {
		1356	my ($type, $reply, @payload) =
		1357	"ARRAY" eq ref $msg
		1358	? @$msg
		1359	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1360
		1361	my @reply;
		1362
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1363	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1364	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1365	}
		1366
		1367	$pl->ext_reply ($reply, @reply)
		1368	if $reply;
		1369
939	} else {	1370	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1371	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1372	}
942		1373
943	cf::override;	1374	cf::override;
944	},	1375	},
945	);	1376	);
946		1377
		1378	# "readahead" all extensions
947	sub load_extension {	1379	sub cache_extensions {
948	my ($path) = @_;	1380	my $grp = IO::AIO::aio_group;
949		1381
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1382	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1383	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1384	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1385	}
975	die $@;
976	}	1386	};
977		1387
978	push @EXTS, $pkg;	1388	$grp
979	}	1389	}
980		1390
981	sub load_extensions {	1391	sub load_extensions {
		1392	cf::sync_job {
		1393	my %todo;
		1394
982	for my $ext (<$LIBDIR/*.ext>) {	1395	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1396	next unless -r $path;
984	eval {	1397
985	load_extension $ext;	1398	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1399	my $base = $1;
		1400	my $pkg = $1;
		1401	$pkg =~ s/[^[:word:]]/_/g;
		1402	$pkg = "ext::$pkg";
		1403
		1404	open my $fh, "<:utf8", $path
		1405	or die "$path: $!";
		1406
		1407	my $source = do { local $/; <$fh> };
		1408
		1409	my %ext = (
		1410	path => $path,
		1411	base => $base,
		1412	pkg => $pkg,
		1413	);
		1414
		1415	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1416	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1417
		1418	$ext{source} =
		1419	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1420	. "#line 1 \"$path\"\n{\n"
		1421	. $source
		1422	. "\n};\n1";
		1423
		1424	$todo{$base} = \%ext;
		1425	}
		1426
		1427	my $pass = 0;
		1428	my %done;
		1429	while (%todo) {
		1430	my $progress;
		1431
		1432	++$pass;
		1433
		1434	ext:
		1435	while (my ($k, $v) = each %todo) {
		1436	for (split /,\s*/, $v->{meta}{depends}) {
		1437	next ext
		1438	unless exists $done{$_};
		1439	}
		1440
		1441	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1442
		1443	my $active = eval $v->{source};
		1444
		1445	if (length $@) {
		1446	warn "$v->{path}: $@\n";
		1447
		1448	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1449	if exists $v->{meta}{mandatory};
		1450
		1451	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1452	delete $todo{$k};
		1453	} else {
		1454	$done{$k} = delete $todo{$k};
		1455	push @EXTS, $v->{pkg};
		1456	$progress = 1;
		1457
		1458	warn "$v->{base}: extension inactive.\n"
		1459	unless $active;
		1460	}
986	1	1461	}
987	} or warn "$ext not loaded: $@";	1462
		1463	unless ($progress) {
		1464	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1465
		1466	while (my ($k, $v) = each %todo) {
		1467	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1468	if exists $v->{meta}{mandatory};
		1469	}
		1470	}
		1471	}
988	}	1472	};
989	}	1473	}
990		1474
991	#############################################################################	1475	#############################################################################
992		1476
		1477	=back
		1478
993	=head2 CORE EXTENSIONS	1479	=head2 CORE EXTENSIONS
994		1480
995	Functions and methods that extend core crossfire objects.	1481	Functions and methods that extend core deliantra objects.
996		1482
997	=cut	1483	=cut
998		1484
999	package cf::player;	1485	package cf::player;
1000		1486
1001	use Coro::AIO;	1487	use Coro::AIO;
1002		1488
1003	=head3 cf::player	1489	=head3 cf::player
1004		1490
1005	=over 4	1491	=over 4
		1492
		1493	=item cf::player::num_playing
		1494
		1495	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1496
		1497	=cut
		1498
		1499	sub num_playing {
		1500	scalar grep
		1501	$_->ob->map
		1502	&& !$_->hidden
		1503	&& !$_->ob->flag (cf::FLAG_WIZ),
		1504	cf::player::list
		1505	}
1006		1506
1007	=item cf::player::find $login	1507	=item cf::player::find $login
1008		1508
1009	Returns the given player object, loading it if necessary (might block).	1509	Returns the given player object, loading it if necessary (might block).
1010		1510
…		…
1029		1529
1030	sub exists($) {	1530	sub exists($) {
1031	my ($login) = @_;	1531	my ($login) = @_;
1032		1532
1033	$cf::PLAYER{$login}	1533	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1534	or !aio_stat path $login
1035	}	1535	}
1036		1536
1037	sub find($) {	1537	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1538	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1539	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1546	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1547	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1548	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1549	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1550
1051	my $pl = load_pl path $login	1551	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1552	or return;
		1553
		1554	my $pl = cf::player::load_pl $f
		1555	or return;
		1556
		1557	local $cf::PLAYER_LOADING{$login} = $pl;
		1558	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1559	$cf::PLAYER{$login} = $pl
1054	}	1560	}
1055	}	1561	}
1056	}	1562	}
		1563
		1564	cf::player->attach (
		1565	on_load => sub {
		1566	my ($pl, $path) = @_;
		1567
		1568	# restore slots saved in save, below
		1569	my $slots = delete $pl->{_slots};
		1570
		1571	$pl->ob->current_weapon ($slots->[0]);
		1572	$pl->combat_ob ($slots->[1]);
		1573	$pl->ranged_ob ($slots->[2]);
		1574	},
		1575	);
1057		1576
1058	sub save($) {	1577	sub save($) {
1059	my ($pl) = @_;	1578	my ($pl) = @_;
1060		1579
1061	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1585	return if $pl->{deny_save};
1067		1586
1068	aio_mkdir playerdir $pl, 0770;	1587	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1588	$pl->{last_save} = $cf::RUNTIME;
1070		1589
		1590	cf::get_slot 0.01;
		1591
		1592	# save slots, to be restored later
		1593	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1594
1071	$pl->save_pl ($path);	1595	$pl->save_pl ($path);
1072	Coro::cede;	1596	cf::cede_to_tick;
1073	}	1597	}
1074		1598
1075	sub new($) {	1599	sub new($) {
1076	my ($login) = @_;	1600	my ($login) = @_;
1077		1601
…		…
1083	$cf::PLAYER{$login} = $self;	1607	$cf::PLAYER{$login} = $self;
1084		1608
1085	$self	1609	$self
1086	}	1610	}
1087		1611
		1612	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1613
		1614	=cut
		1615
		1616	sub send_msg {
		1617	my $ns = shift->ns
		1618	or return;
		1619	$ns->send_msg (@_);
		1620	}
		1621
1088	=item $pl->quit_character	1622	=item $pl->quit_character
1089		1623
1090	Nukes the player without looking back. If logged in, the connection will	1624	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1625	be destroyed. May block for a long time.
1092		1626
…		…
1096	my ($pl) = @_;	1630	my ($pl) = @_;
1097		1631
1098	my $name = $pl->ob->name;	1632	my $name = $pl->ob->name;
1099		1633
1100	$pl->{deny_save} = 1;	1634	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1635	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1636
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1637	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1638	$pl->deactivate;
		1639	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1640	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1641	$pl->ns->destroy if $pl->ns;
1107		1642
1108	my $path = playerdir $pl;	1643	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1644	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1680	or return [];
1146		1681
1147	my @logins;	1682	my @logins;
1148		1683
1149	for my $login (@$dirs) {	1684	for my $login (@$dirs) {
		1685	my $path = path $login;
		1686
		1687	# a .pst is a dead give-away for a valid player
		1688	# if no pst file found, open and chekc for blocked users
		1689	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1690	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1691	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1692	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1693	}
1153		1694
1154	utf8::decode $login;	1695	utf8::decode $login;
1155	push @logins, $login;	1696	push @logins, $login;
1156	}	1697	}
1157		1698
1158	\@logins	1699	\@logins
1159	}	1700	}
1160		1701
1161	=item $player->maps	1702	=item $player->maps
		1703
		1704	=item cf::player::maps $login
1162		1705
1163	Returns an arrayref of map paths that are private for this	1706	Returns an arrayref of map paths that are private for this
1164	player. May block.	1707	player. May block.
1165		1708
1166	=cut	1709	=cut
…		…
1184	}	1727	}
1185		1728
1186	\@paths	1729	\@paths
1187	}	1730	}
1188		1731
		1732	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1733
		1734	Expand deliantra pod fragments into protocol xml.
		1735
1189	=item $player->ext_reply ($msgid, %msg)	1736	=item $player->ext_reply ($msgid, @msg)
1190		1737
1191	Sends an ext reply to the player.	1738	Sends an ext reply to the player.
1192		1739
1193	=cut	1740	=cut
1194		1741
1195	sub ext_reply($$%) {	1742	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1743	my ($self, $id, @msg) = @_;
1197		1744
1198	$msg{msgid} = $id;	1745	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1746	}
1202		1747
1203	=item $player->ext_event ($type, %msg)	1748	=item $player->ext_msg ($type, @msg)
1204		1749
1205	Sends an ext event to the client.	1750	Sends an ext event to the client.
1206		1751
1207	=cut	1752	=cut
1208		1753
1209	sub ext_event($$%) {	1754	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1755	my ($self, $type, @msg) = @_;
1211		1756
1212	$self->ns->ext_event ($type, %msg);	1757	$self->ns->ext_msg ($type, @msg);
1213	}	1758	}
1214		1759
1215	=head3 cf::region	1760	=head3 cf::region
1216		1761
1217	=over 4	1762	=over 4
…		…
1220		1765
1221	package cf::region;	1766	package cf::region;
1222		1767
1223	=item cf::region::find_by_path $path	1768	=item cf::region::find_by_path $path
1224		1769
1225	Tries to decuce the probable region for a map knowing only its path.	1770	Tries to decuce the likely region for a map knowing only its path.
1226		1771
1227	=cut	1772	=cut
1228		1773
1229	sub find_by_path($) {	1774	sub find_by_path($) {
1230	my ($path) = @_;	1775	my ($path) = @_;
1231		1776
		1777	$path =~ s/^~[^\/]*//; # skip ~login
		1778
1232	my ($match, $specificity);	1779	my ($match, $specificity);
1233		1780
1234	for my $region (list) {	1781	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1782	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1783	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1784	if $region->specificity > $specificity;
1238	}	1785	}
1239	}	1786	}
1240		1787
…		…
1261	our $MAX_RESET = 3600;	1808	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1809	our $DEFAULT_RESET = 3000;
1263		1810
1264	sub generate_random_map {	1811	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1812	my ($self, $rmp) = @_;
		1813
		1814	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1815
1266	# mit "rum" bekleckern, nicht	1816	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1817	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1818	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1819	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1820	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1821	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1822	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1823	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1824	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1296		1846
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1847	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	1848	}
1299		1849
1300	# also paths starting with '/'	1850	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1851	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		1852
1303	sub thawer_merge {	1853	sub thawer_merge {
1304	my ($self, $merge) = @_;	1854	my ($self, $merge) = @_;
1305		1855
1306	# we have to keep some variables in memory intact	1856	# we have to keep some variables in memory intact
1307	local $self->{path};	1857	local $self->{path};
1308	local $self->{load_path};	1858	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1859
1312	$self->SUPER::thawer_merge ($merge);	1860	$self->SUPER::thawer_merge ($merge);
1313	}	1861	}
1314		1862
1315	sub normalise {	1863	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1910	$self->init; # pass $1 etc.
1363	return $self;	1911	return $self;
1364	}	1912	}
1365	}	1913	}
1366		1914
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1915	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1916	()
1369	}	1917	}
1370		1918
1371	sub init {	1919	sub init {
1372	my ($self) = @_;	1920	my ($self) = @_;
…		…
1394		1942
1395	# the temporary/swap location	1943	# the temporary/swap location
1396	sub save_path {	1944	sub save_path {
1397	my ($self) = @_;	1945	my ($self) = @_;
1398		1946
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1948	"$TMPDIR/$path.map"
1401	}	1949	}
1402		1950
1403	# the unique path, undef == no special unique path	1951	# the unique path, undef == no special unique path
1404	sub uniq_path {	1952	sub uniq_path {
1405	my ($self) = @_;	1953	my ($self) = @_;
1406		1954
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1956	"$UNIQUEDIR/$path"
1409	}	1957	}
1410		1958
1411	# and all this just because we cannot iterate over	1959	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1960	my ($self) = @_;
1415		1961
1416	$_->change_map_light ($change)	1962	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1963
		1964	$self->do_decay_objects;
1418	}	1965	}
1419		1966
1420	sub unlink_save {	1967	sub unlink_save {
1421	my ($self) = @_;	1968	my ($self) = @_;
1422		1969
…		…
1427		1974
1428	sub load_header_from($) {	1975	sub load_header_from($) {
1429	my ($self, $path) = @_;	1976	my ($self, $path) = @_;
1430		1977
1431	utf8::encode $path;	1978	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1979	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1980	or return;
		1981
		1982	$self->_load_header ($f)
		1983	or return;
		1984
		1985	local $MAP_LOADING{$self->{path}} = $self;
		1986	$f->resolve_delayed_derefs;
1437		1987
1438	$self->{load_path} = $path;	1988	$self->{load_path} = $path;
1439		1989
1440	1	1990	1
1441	}	1991	}
…		…
1480	$self->load_header_orig	2030	$self->load_header_orig
1481	or return;	2031	or return;
1482	$self->prepare_orig;	2032	$self->prepare_orig;
1483	}	2033	}
1484		2034
		2035	$self->{deny_reset} = 1
		2036	if $self->no_reset;
		2037
1485	$self->default_region (cf::region::find_by_path $self->{path})	2038	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2039	unless $self->default_region;
1487		2040
1488	1	2041	1
1489	}	2042	}
…		…
1492	sub find {	2045	sub find {
1493	my ($path, $origin) = @_;	2046	my ($path, $origin) = @_;
1494		2047
1495	$path = normalise $path, $origin && $origin->path;	2048	$path = normalise $path, $origin && $origin->path;
1496		2049
		2050	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2051	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2052
1499	$cf::MAP{$path} || do {	2053	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2054	my $map = new_from_path cf::map $path
1502	or return;	2055	or return;
1503		2056
1504	$map->{last_save} = $cf::RUNTIME;	2057	$map->{last_save} = $cf::RUNTIME;
1505		2058
1506	$map->load_header	2059	$map->load_header
1507	or return;	2060	or return;
1508		2061
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2062	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2063	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2064	#$cf::WAIT_FOR_TICK->wait;
		2065	undef $guard2;
		2066	undef $guard1;
1512	$map->reset;	2067	$map->reset;
1513	undef $guard;
1514	return find $path;	2068	return find $path;
1515	}	2069	}
1516		2070
1517	$cf::MAP{$path} = $map	2071	$cf::MAP{$path} = $map
1518	}	2072	}
1519	}	2073	}
1520		2074
1521	sub pre_load { }	2075	sub pre_load { }
1522	sub post_load { }	2076	#sub post_load { } # XS
1523		2077
1524	sub load {	2078	sub load {
1525	my ($self) = @_;	2079	my ($self) = @_;
1526		2080
1527	local $self->{deny_reset} = 1; # loading can take a long time	2081	local $self->{deny_reset} = 1; # loading can take a long time
1528		2082
1529	my $path = $self->{path};	2083	my $path = $self->{path};
1530		2084
1531	{	2085	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2086	my $guard = cf::lock_acquire "map_data:$path";
1533		2087
		2088	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2089	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2090
1536	$self->in_memory (cf::MAP_LOADING);	2091	$self->in_memory (cf::MAP_LOADING);
1537		2092
1538	$self->alloc;	2093	$self->alloc;
1539		2094
1540	$self->pre_load;	2095	$self->pre_load;
1541	Coro::cede;	2096	cf::cede_to_tick;
1542		2097
		2098	my $f = new_from_file cf::object::thawer $self->{load_path};
		2099	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2100	$self->_load_objects ($f)
1544	or return;	2101	or return;
1545		2102
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2103	$self->post_load_original
1547	if delete $self->{load_original};	2104	if delete $self->{load_original};
1548		2105
1549	if (my $uniq = $self->uniq_path) {	2106	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2107	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2108	unless (aio_stat $uniq) {
		2109	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2110	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2111	$self->_load_objects ($f);
		2112	$f->resolve_delayed_derefs;
		2113	}
1554	}	2114	}
1555	}	2115	}
1556		2116
1557	Coro::cede;	2117	$f->resolve_delayed_derefs;
		2118
		2119	cf::cede_to_tick;
1558	# now do the right thing for maps	2120	# now do the right thing for maps
1559	$self->link_multipart_objects;	2121	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2122	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2123	unless $self->difficulty;
1562	Coro::cede;	2124	cf::cede_to_tick;
1563		2125
1564	unless ($self->{deny_activate}) {	2126	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2127	$self->decay_objects;
1566	$self->fix_auto_apply;	2128	$self->fix_auto_apply;
1567	$self->update_buttons;	2129	$self->update_buttons;
1568	Coro::cede;	2130	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2131	$self->activate;
1572	}	2132	}
1573		2133
		2134	$self->{last_save} = $cf::RUNTIME;
		2135	$self->last_access ($cf::RUNTIME);
		2136
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2137	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2138	}
1576		2139
1577	$self->post_load;	2140	$self->post_load;
1578	}	2141	}
1579		2142
		2143	# customize the map for a given player, i.e.
		2144	# return the _real_ map. used by e.g. per-player
		2145	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2146	sub customise_for {
1581	my ($self, $ob) = @_;	2147	my ($self, $ob) = @_;
1582		2148
1583	return find "~" . $ob->name . "/" . $self->{path}	2149	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2150	if $self->per_player;
1585		2151
		2152	# return find "?party/" . $ob->name . "/" . $self->{path}
		2153	# if $self->per_party;
		2154
1586	$self	2155	$self
1587	}	2156	}
1588		2157
1589	# find and load all maps in the 3x3 area around a map	2158	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2159	sub load_neighbours {
1591	my ($map) = @_;	2160	my ($map) = @_;
1592		2161
1593	my @diag; # diagonal neighbours	2162	my @neigh; # diagonal neighbours
1594		2163
1595	for (0 .. 3) {	2164	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2165	my $neigh = $map->tile_path ($_)
1597	or next;	2166	or next;
1598	$neigh = find $neigh, $map	2167	$neigh = find $neigh, $map
1599	or next;	2168	or next;
1600	$neigh->load;	2169	$neigh->load;
1601		2170
		2171	# now find the diagonal neighbours
		2172	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2173	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2174	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2175	}
1605		2176
1606	for (@diag) {	2177	for (grep defined $_->[0], @neigh) {
		2178	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2179	my $neigh = find $path, $origin
1608	or next;	2180	or next;
1609	$neigh->load;	2181	$neigh->load;
1610	}	2182	}
1611	}	2183	}
1612		2184
…		…
1617	}	2189	}
1618		2190
1619	sub do_load_sync {	2191	sub do_load_sync {
1620	my ($map) = @_;	2192	my ($map) = @_;
1621		2193
		2194	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2195	if $Coro::current == $Coro::main;
		2196
1622	cf::sync_job { $map->load };	2197	cf::sync_job { $map->load };
1623	}	2198	}
1624		2199
1625	our %MAP_PREFETCH;	2200	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2201	our $MAP_PREFETCHER = undef;
1627		2202
1628	sub find_async {	2203	sub find_async {
1629	my ($path, $origin) = @_;	2204	my ($path, $origin, $load) = @_;
1630		2205
1631	$path = normalise $path, $origin && $origin->{path};	2206	$path = normalise $path, $origin && $origin->{path};
1632		2207
1633	if (my $map = $cf::MAP{$path}) {	2208	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2209	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2210	}
1636		2211
1637	undef $MAP_PREFETCH{$path};	2212	$MAP_PREFETCH{$path} |= $load;
		2213
1638	$MAP_PREFETCHER ||= cf::async {	2214	$MAP_PREFETCHER ||= cf::async {
		2215	$Coro::current->{desc} = "map prefetcher";
		2216
1639	while (%MAP_PREFETCH) {	2217	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2218	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2219	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2220	$map->load if $v;
		2221	}
1644		2222
1645	delete $MAP_PREFETCH{$path};	2223	delete $MAP_PREFETCH{$k};
1646	}	2224	}
1647	}	2225	}
1648	undef $MAP_PREFETCHER;	2226	undef $MAP_PREFETCHER;
1649	};	2227	};
1650	$MAP_PREFETCHER->prio (6);	2228	$MAP_PREFETCHER->prio (6);
1651		2229
1652	()	2230	()
1653	}	2231	}
1654		2232
		2233	# common code, used by both ->save and ->swapout
1655	sub save {	2234	sub _save {
1656	my ($self) = @_;	2235	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2236
1660	$self->{last_save} = $cf::RUNTIME;	2237	$self->{last_save} = $cf::RUNTIME;
1661		2238
1662	return unless $self->dirty;	2239	return unless $self->dirty;
1663		2240
…		…
1669	return if $self->{deny_save};	2246	return if $self->{deny_save};
1670		2247
1671	local $self->{last_access} = $self->last_access;#d#	2248	local $self->{last_access} = $self->last_access;#d#
1672		2249
1673	cf::async {	2250	cf::async {
		2251	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2252	$_->contr->save for $self->players;
1675	};	2253	};
		2254
		2255	cf::get_slot 0.02;
1676		2256
1677	if ($uniq) {	2257	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2258	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2259	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2260	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2261	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2262	}
1683	}	2263	}
1684		2264
		2265	sub save {
		2266	my ($self) = @_;
		2267
		2268	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2269
		2270	$self->_save;
		2271	}
		2272
1685	sub swap_out {	2273	sub swap_out {
1686	my ($self) = @_;	2274	my ($self) = @_;
1687		2275
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2276	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2277
		2278	return if $self->in_memory != cf::MAP_ACTIVE;
		2279	return if $self->{deny_save};
1693	return if $self->players;	2280	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2281
		2282	# first deactivate the map and "unlink" it from the core
		2283	$self->deactivate;
		2284	$_->clear_links_to ($self) for values %cf::MAP;
		2285	$self->in_memory (cf::MAP_SWAPPED);
		2286
		2287	# then atomically save
		2288	$self->_save;
		2289
		2290	# then free the map
1697	$self->clear;	2291	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2292	}
1700		2293
1701	sub reset_at {	2294	sub reset_at {
1702	my ($self) = @_;	2295	my ($self) = @_;
1703		2296
1704	# TODO: safety, remove and allow resettable per-player maps	2297	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2298	return 1e99 if $self->{deny_reset};
1707		2299
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2300	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2301	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2302
…		…
1721	my ($self) = @_;	2313	my ($self) = @_;
1722		2314
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2315	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2316
1725	return if $self->players;	2317	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2318
1728	warn "resetting map ", $self->path;#d#	2319	warn "resetting map ", $self->path, "\n";
1729		2320
1730	$self->in_memory (cf::MAP_SWAPPED);	2321	$self->in_memory (cf::MAP_SWAPPED);
1731		2322
1732	# need to save uniques path	2323	# need to save uniques path
1733	unless ($self->{deny_save}) {	2324	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2328	if $uniq;
1738	}	2329	}
1739		2330
1740	delete $cf::MAP{$self->path};	2331	delete $cf::MAP{$self->path};
1741		2332
		2333	$self->deactivate;
		2334	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2335	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2336
1746	$self->unlink_save;	2337	$self->unlink_save;
1747	$self->destroy;	2338	$self->destroy;
1748	}	2339	}
1749		2340
1750	my $nuke_counter = "aaaa";	2341	my $nuke_counter = "aaaa";
1751		2342
1752	sub nuke {	2343	sub nuke {
1753	my ($self) = @_;	2344	my ($self) = @_;
1754		2345
		2346	{
		2347	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2348
1755	delete $cf::MAP{$self->path};	2349	delete $cf::MAP{$self->path};
1756		2350
1757	$self->unlink_save;	2351	$self->unlink_save;
1758		2352
1759	bless $self, "cf::map";	2353	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2354	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2355	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2356	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2357	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2358
1765	$cf::MAP{$self->path} = $self;	2359	$cf::MAP{$self->path} = $self;
		2360	}
1766		2361
1767	$self->reset; # polite request, might not happen	2362	$self->reset; # polite request, might not happen
		2363	}
		2364
		2365	=item $maps = cf::map::tmp_maps
		2366
		2367	Returns an arrayref with all map paths of currently instantiated and saved
		2368	maps. May block.
		2369
		2370	=cut
		2371
		2372	sub tmp_maps() {
		2373	[
		2374	map {
		2375	utf8::decode $_;
		2376	/\.map$/
		2377	? normalise $_
		2378	: ()
		2379	} @{ aio_readdir $TMPDIR or [] }
		2380	]
		2381	}
		2382
		2383	=item $maps = cf::map::random_maps
		2384
		2385	Returns an arrayref with all map paths of currently instantiated and saved
		2386	random maps. May block.
		2387
		2388	=cut
		2389
		2390	sub random_maps() {
		2391	[
		2392	map {
		2393	utf8::decode $_;
		2394	/\.map$/
		2395	? normalise "?random/$_"
		2396	: ()
		2397	} @{ aio_readdir $RANDOMDIR or [] }
		2398	]
1768	}	2399	}
1769		2400
1770	=item cf::map::unique_maps	2401	=item cf::map::unique_maps
1771		2402
1772	Returns an arrayref of paths of all shared maps that have	2403	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2404	instantiated unique items. May block.
1774		2405
1775	=cut	2406	=cut
1776		2407
1777	sub unique_maps() {	2408	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2409	[
1779	or return;	2410	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2411	utf8::decode $_;
1785	next if /\.pst$/;	2412	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2413	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2414	? ()
1788	push @paths, cf::map::normalise $_;	2415	: normalise $_
		2416	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2417	]
1790
1791	\@paths
1792	}	2418	}
1793		2419
1794	package cf;	2420	=item cf::map::static_maps
		2421
		2422	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2423	file in the shared directory excluding F</styles> and F</editor>). May
		2424	block.
		2425
		2426	=cut
		2427
		2428	sub static_maps() {
		2429	my @dirs = "";
		2430	my @maps;
		2431
		2432	while (@dirs) {
		2433	my $dir = shift @dirs;
		2434
		2435	next if $dir eq "/styles" || $dir eq "/editor";
		2436
		2437	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2438	or return;
		2439
		2440	for (@$files) {
		2441	s/\.map$// or next;
		2442	utf8::decode $_;
		2443	push @maps, "$dir/$_";
		2444	}
		2445
		2446	push @dirs, map "$dir/$_", @$dirs;
		2447	}
		2448
		2449	\@maps
		2450	}
1795		2451
1796	=back	2452	=back
1797		2453
1798	=head3 cf::object	2454	=head3 cf::object
1799		2455
…		…
1803		2459
1804	=over 4	2460	=over 4
1805		2461
1806	=item $ob->inv_recursive	2462	=item $ob->inv_recursive
1807		2463
1808	Returns the inventory of the object _and_ their inventories, recursively.	2464	Returns the inventory of the object I<and> their inventories, recursively,
		2465	but I<not> the object itself.
1809		2466
1810	=cut	2467	=cut
1811		2468
1812	sub inv_recursive_;	2469	sub inv_recursive_;
1813	sub inv_recursive_ {	2470	sub inv_recursive_ {
…		…
1816		2473
1817	sub inv_recursive {	2474	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2475	inv_recursive_ inv $_[0]
1819	}	2476	}
1820		2477
		2478	=item $ref = $ob->ref
		2479
		2480	Creates and returns a persistent reference to an object that can be stored as a string.
		2481
		2482	=item $ob = cf::object::deref ($refstring)
		2483
		2484	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2485	even if the object actually exists. May block.
		2486
		2487	=cut
		2488
		2489	sub deref {
		2490	my ($ref) = @_;
		2491
		2492	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2493	my ($uuid, $name) = ($1, $2);
		2494	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2495	or return;
		2496	$pl->ob->uuid eq $uuid
		2497	or return;
		2498
		2499	$pl->ob
		2500	} else {
		2501	warn "$ref: cannot resolve object reference\n";
		2502	undef
		2503	}
		2504	}
		2505
1821	package cf;	2506	package cf;
1822		2507
1823	=back	2508	=back
1824		2509
1825	=head3 cf::object::player	2510	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2516	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2517	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2518	dialogue with the given NPC character.
1834		2519
1835	=cut	2520	=cut
		2521
		2522	our $SAY_CHANNEL = {
		2523	id => "say",
		2524	title => "Map",
		2525	reply => "say ",
		2526	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2527	};
		2528
		2529	our $CHAT_CHANNEL = {
		2530	id => "chat",
		2531	title => "Chat",
		2532	reply => "chat ",
		2533	tooltip => "Player chat and shouts, global to the server.",
		2534	};
1836		2535
1837	# rough implementation of a future "reply" method that works	2536	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2537	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2538	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2539	sub cf::object::player::reply($$$;$) {
…		…
1842		2541
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2542	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2543
1845	if ($self->{record_replies}) {	2544	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2545	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2546
1847	} else {	2547	} else {
		2548	my $pl = $self->contr;
		2549
		2550	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2551	my $dialog = $pl->{npc_dialog};
		2552	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2553
		2554	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2555	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2556	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2557	}
1850	}	2558	}
		2559	}
		2560
		2561	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2562
		2563	=cut
		2564
		2565	sub cf::object::send_msg {
		2566	my $pl = shift->contr
		2567	or return;
		2568	$pl->send_msg (@_);
1851	}	2569	}
1852		2570
1853	=item $player_object->may ("access")	2571	=item $player_object->may ("access")
1854		2572
1855	Returns wether the given player is authorized to access resource "access"	2573	Returns wether the given player is authorized to access resource "access"
…		…
1868		2586
1869	=item $player_object->enter_link	2587	=item $player_object->enter_link
1870		2588
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2589	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2590
1873	The player should be reasonably safe there for short amounts of time. You	2591	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2592	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2593	though, as the player cannot control the character while it is on the link
		2594	map.
1875		2595
1876	Will never block.	2596	Will never block.
1877		2597
1878	=item $player_object->leave_link ($map, $x, $y)	2598	=item $player_object->leave_link ($map, $x, $y)
1879		2599
…		…
1899	sub cf::object::player::enter_link {	2619	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2620	my ($self) = @_;
1901		2621
1902	$self->deactivate_recursive;	2622	$self->deactivate_recursive;
1903		2623
		2624	++$self->{_link_recursion};
		2625
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2626	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2627
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2628	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2629	if $self->map && $self->map->{path} ne "{link}";
1908		2630
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2631	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2632	}
1911		2633
1912	sub cf::object::player::leave_link {	2634	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2635	my ($self, $map, $x, $y) = @_;
1914		2636
…		…
1931	($x, $y) = (-1, -1)	2653	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2654	unless (defined $x) && (defined $y);
1933		2655
1934	# use -1 or undef as default coordinates, not 0, 0	2656	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2657	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2658	if $x <= 0 && $y <= 0;
1937		2659
1938	$map->load;	2660	$map->load;
1939	$map->load_diag;	2661	$map->load_neighbours;
1940		2662
1941	return unless $self->contr->active;	2663	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2664
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2665	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2666	if ($self->enter_map ($map, $x, $y)) {
1946	}	2667	# entering was successful
		2668	delete $self->{_link_recursion};
		2669	# only activate afterwards, to support waiting in hooks
		2670	$self->activate_recursive;
		2671	}
1947		2672
		2673	}
		2674
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2675	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2676
1950	Moves the player to the given map-path and coordinates by first freezing	2677	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2678	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2679	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2680	the new (success) or old (failed) map position. In either case, $done will
		2681	be called at the end of this process.
		2682
		2683	Note that $check will be called with a potentially non-loaded map, so if
		2684	it needs a loaded map it has to call C<< ->load >>.
1954		2685
1955	=cut	2686	=cut
1956		2687
1957	our $GOTOGEN;	2688	our $GOTOGEN;
1958		2689
1959	sub cf::object::player::goto {	2690	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2691	my ($self, $path, $x, $y, $check, $done) = @_;
		2692
		2693	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2694	warn "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2695	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2696	($path, $x, $y) = @$EMERGENCY_POSITION;
		2697	}
1961		2698
1962	# do generation counting so two concurrent goto's will be executed in-order	2699	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2700	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2701
1965	$self->enter_link;	2702	$self->enter_link;
1966		2703
1967	(async {	2704	(async {
		2705	$Coro::current->{desc} = "player::goto $path $x $y";
		2706
		2707	# *tag paths override both path and x|y
		2708	if ($path =~ /^\*(.*)$/) {
		2709	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2710	my $ob = $obs[rand @obs];
		2711
		2712	# see if we actually can go there
		2713	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2714	$ob = $obs[rand @obs];
		2715	} else {
		2716	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	}
		2718	# else put us there anyways for now #d#
		2719
		2720	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2721	} else {
		2722	($path, $x, $y) = (undef, undef, undef);
		2723	}
		2724	}
		2725
1968	my $map = eval {	2726	my $map = eval {
1969	my $map = cf::map::find $path;	2727	my $map = defined $path ? cf::map::find $path : undef;
1970		2728
1971	if ($map) {	2729	if ($map) {
1972	$map = $map->customise_for ($self);	2730	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2731	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2732	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2733	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2734	}
1977		2735
1978	$map	2736	$map
1979	};	2737	};
1980		2738
…		…
1985		2743
1986	if ($gen == $self->{_goto_generation}) {	2744	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2745	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2746	$self->leave_link ($map, $x, $y);
1989	}	2747	}
		2748
		2749	$done->($self) if $done;
1990	})->prio (1);	2750	})->prio (1);
1991	}	2751	}
1992		2752
1993	=item $player_object->enter_exit ($exit_object)	2753	=item $player_object->enter_exit ($exit_object)
1994		2754
…		…
2014	}	2774	}
2015		2775
2016	sub prepare_random_map {	2776	sub prepare_random_map {
2017	my ($exit) = @_;	2777	my ($exit) = @_;
2018		2778
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2779	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2780	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2781	# that depends on the exit object
2024		2782
2025	my $rmp = parse_random_map_params $exit->msg;	2783	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2785	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2786	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2787	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2788	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2789	$rmp->{origin_y} = $exit->y;
		2790
		2791	$exit->map->touch;
2032	}	2792	}
2033		2793
2034	$rmp->{random_seed} ||= $exit->random_seed;	2794	$rmp->{random_seed} ||= $exit->random_seed;
2035		2795
2036	my $data = cf::to_json $rmp;	2796	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2797	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2798	my $meta = "$RANDOMDIR/$md5.meta";
2039		2799
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2800	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2801	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2802	undef $fh;
2043	aio_rename "$meta~", $meta;	2803	aio_rename "$meta~", $meta;
2044		2804
		2805	my $slaying = "?random/$md5";
		2806
		2807	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2808	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2809	$exit->msg (undef);
		2810	}
2047	}	2811	}
2048	}	2812	}
2049		2813
2050	sub cf::object::player::enter_exit {	2814	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2815	my ($self, $exit) = @_;
2052		2816
2053	return unless $self->type == cf::PLAYER;	2817	return unless $self->type == cf::PLAYER;
2054		2818
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2819	$self->enter_link;
2067		2820
2068	(async {	2821	(async {
2069	$self->deactivate_recursive; # just to be sure	2822	$Coro::current->{desc} = "enter_exit";
		2823
2070	unless (eval {	2824	unless (eval {
		2825	$self->deactivate_recursive; # just to be sure
		2826
		2827	# random map handling
		2828	{
		2829	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2830
		2831	prepare_random_map $exit
		2832	if $exit->slaying eq "/!";
		2833	}
		2834
		2835	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2836	my $x = $exit->stats->hp;
		2837	my $y = $exit->stats->sp;
		2838
2071	$self->goto ($slaying, $hp, $sp);	2839	$self->goto ($map, $x, $y);
2072		2840
		2841	# if exit is damned, update players death & WoR home-position
		2842	$self->contr->savebed ($map, $x, $y)
		2843	if $exit->flag (cf::FLAG_DAMNED);
		2844
2073	1;	2845	1
2074	}) {	2846	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2847	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2848	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2849	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2850	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2851
2080	warn "ERROR in enter_exit: $@";	2852	warn "ERROR in enter_exit: $@";
…		…
2099		2871
2100	utf8::encode $text;	2872	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2873	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2874	}
2103		2875
		2876	=item $client->send_big_packet ($pkt)
		2877
		2878	Like C<send_packet>, but tries to compress large packets, and fragments
		2879	them as required.
		2880
		2881	=cut
		2882
		2883	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2884
		2885	sub cf::client::send_big_packet {
		2886	my ($self, $pkt) = @_;
		2887
		2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
		2891
		2892	# split very large packets
		2893	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2894	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2895	$pkt = "frag";
		2896	}
		2897
		2898	$self->send_packet ($pkt);
		2899	}
		2900
		2901	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2902
		2903	Send a drawinfo or msg packet to the client, formatting the msg for the
		2904	client if neccessary. C<$type> should be a string identifying the type of
		2905	the message, with C<log> being the default. If C<$color> is negative, suppress
		2906	the message unless the client supports the msg packet.
		2907
		2908	=cut
		2909
		2910	# non-persistent channels (usually the info channel)
		2911	our %CHANNEL = (
		2912	"c/motd" => {
		2913	id => "infobox",
		2914	title => "MOTD",
		2915	reply => undef,
		2916	tooltip => "The message of the day",
		2917	},
		2918	"c/identify" => {
		2919	id => "infobox",
		2920	title => "Identify",
		2921	reply => undef,
		2922	tooltip => "Items recently identified",
		2923	},
		2924	"c/examine" => {
		2925	id => "infobox",
		2926	title => "Examine",
		2927	reply => undef,
		2928	tooltip => "Signs and other items you examined",
		2929	},
		2930	"c/shopinfo" => {
		2931	id => "infobox",
		2932	title => "Shop Info",
		2933	reply => undef,
		2934	tooltip => "What your bargaining skill tells you about the shop",
		2935	},
		2936	"c/book" => {
		2937	id => "infobox",
		2938	title => "Book",
		2939	reply => undef,
		2940	tooltip => "The contents of a note or book",
		2941	},
		2942	"c/lookat" => {
		2943	id => "infobox",
		2944	title => "Look",
		2945	reply => undef,
		2946	tooltip => "What you saw there",
		2947	},
		2948	"c/who" => {
		2949	id => "infobox",
		2950	title => "Players",
		2951	reply => undef,
		2952	tooltip => "Shows players who are currently online",
		2953	},
		2954	"c/body" => {
		2955	id => "infobox",
		2956	title => "Body Parts",
		2957	reply => undef,
		2958	tooltip => "Shows which body parts you posess and are available",
		2959	},
		2960	"c/statistics" => {
		2961	id => "infobox",
		2962	title => "Statistics",
		2963	reply => undef,
		2964	tooltip => "Shows your primary statistics",
		2965	},
		2966	"c/skills" => {
		2967	id => "infobox",
		2968	title => "Skills",
		2969	reply => undef,
		2970	tooltip => "Shows your experience per skill and item power",
		2971	},
		2972	"c/shopitems" => {
		2973	id => "infobox",
		2974	title => "Shop Items",
		2975	reply => undef,
		2976	tooltip => "Shows the items currently for sale in this shop",
		2977	},
		2978	"c/resistances" => {
		2979	id => "infobox",
		2980	title => "Resistances",
		2981	reply => undef,
		2982	tooltip => "Shows your resistances",
		2983	},
		2984	"c/pets" => {
		2985	id => "infobox",
		2986	title => "Pets",
		2987	reply => undef,
		2988	tooltip => "Shows information abotu your pets/a specific pet",
		2989	},
		2990	"c/perceiveself" => {
		2991	id => "infobox",
		2992	title => "Perceive Self",
		2993	reply => undef,
		2994	tooltip => "You gained detailed knowledge about yourself",
		2995	},
		2996	"c/uptime" => {
		2997	id => "infobox",
		2998	title => "Uptime",
		2999	reply => undef,
		3000	tooltip => "How long the server has been running since last restart",
		3001	},
		3002	"c/mapinfo" => {
		3003	id => "infobox",
		3004	title => "Map Info",
		3005	reply => undef,
		3006	tooltip => "Information related to the maps",
		3007	},
		3008	"c/party" => {
		3009	id => "party",
		3010	title => "Party",
		3011	reply => "gsay ",
		3012	tooltip => "Messages and chat related to your party",
		3013	},
		3014	"c/death" => {
		3015	id => "death",
		3016	title => "Death",
		3017	reply => undef,
		3018	tooltip => "Reason for and more info about your most recent death",
		3019	},
		3020	"c/say" => $SAY_CHANNEL,
		3021	"c/chat" => $CHAT_CHANNEL,
		3022	);
		3023
		3024	sub cf::client::send_msg {
		3025	my ($self, $channel, $msg, $color, @extra) = @_;
		3026
		3027	$msg = $self->pl->expand_cfpod ($msg)
		3028	unless $color & cf::NDI_VERBATIM;
		3029
		3030	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3031
		3032	# check predefined channels, for the benefit of C
		3033	if ($CHANNEL{$channel}) {
		3034	$channel = $CHANNEL{$channel};
		3035
		3036	$self->ext_msg (channel_info => $channel);
		3037	$channel = $channel->{id};
		3038
		3039	} elsif (ref $channel) {
		3040	# send meta info to client, if not yet sent
		3041	unless (exists $self->{channel}{$channel->{id}}) {
		3042	$self->{channel}{$channel->{id}} = $channel;
		3043	$self->ext_msg (channel_info => $channel);
		3044	}
		3045
		3046	$channel = $channel->{id};
		3047	}
		3048
		3049	return unless @extra || length $msg;
		3050
		3051	# default colour, mask it out
		3052	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3053	if $color & cf::NDI_DEF;
		3054
		3055	my $pkt = "msg "
		3056	. $self->{json_coder}->encode (
		3057	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3058	);
		3059
		3060	$self->send_big_packet ($pkt);
		3061	}
		3062
2104	=item $client->ext_event ($type, %msg)	3063	=item $client->ext_msg ($type, @msg)
2105		3064
2106	Sends an exti event to the client.	3065	Sends an ext event to the client.
2107		3066
2108	=cut	3067	=cut
2109		3068
2110	sub cf::client::ext_event($$%) {	3069	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3070	my ($self, $type, @msg) = @_;
2112		3071
		3072	if ($self->extcmd == 2) {
		3073	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3074	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3075	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3076	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3077	}
		3078	}
		3079
		3080	=item $client->ext_reply ($msgid, @msg)
		3081
		3082	Sends an ext reply to the client.
		3083
		3084	=cut
		3085
		3086	sub cf::client::ext_reply($$@) {
		3087	my ($self, $id, @msg) = @_;
		3088
		3089	if ($self->extcmd == 2) {
		3090	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3091	} elsif ($self->extcmd == 1) {
		3092	#TODO: version 1, remove
		3093	unshift @msg, msgtype => "reply", msgid => $id;
		3094	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3095	}
2115	}	3096	}
2116		3097
2117	=item $success = $client->query ($flags, "text", \&cb)	3098	=item $success = $client->query ($flags, "text", \&cb)
2118		3099
2119	Queues a query to the client, calling the given callback with	3100	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3101	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3102	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3103
2123	Queries can fail, so check the return code. Or don't, as queries will become	3104	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3105	become reliable at some point in the future.
2125		3106
2126	=cut	3107	=cut
2127		3108
2128	sub cf::client::query {	3109	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3110	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3118	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3119	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3120
2140	$self->send_packet ($self->{query_queue}[0][0])	3121	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3122	if @{ $self->{query_queue} } == 1;
		3123
		3124	1
2142	}	3125	}
2143		3126
2144	cf::client->attach (	3127	cf::client->attach (
		3128	on_connect => sub {
		3129	my ($ns) = @_;
		3130
		3131	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3132	},
2145	on_reply => sub {	3133	on_reply => sub {
2146	my ($ns, $msg) = @_;	3134	my ($ns, $msg) = @_;
2147		3135
2148	# this weird shuffling is so that direct followup queries	3136	# this weird shuffling is so that direct followup queries
2149	# get handled first	3137	# get handled first
…		…
2161	} else {	3149	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3150	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3151	}
2164	}	3152	}
2165	},	3153	},
		3154	on_exticmd => sub {
		3155	my ($ns, $buf) = @_;
		3156
		3157	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3158
		3159	if (ref $msg) {
		3160	my ($type, $reply, @payload) =
		3161	"ARRAY" eq ref $msg
		3162	? @$msg
		3163	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3164
		3165	my @reply;
		3166
		3167	if (my $cb = $EXTICMD{$type}) {
		3168	@reply = $cb->($ns, @payload);
		3169	}
		3170
		3171	$ns->ext_reply ($reply, @reply)
		3172	if $reply;
		3173
		3174	} else {
		3175	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3176	}
		3177
		3178	cf::override;
		3179	},
2166	);	3180	);
2167		3181
2168	=item $client->async (\&cb)	3182	=item $client->async (\&cb)
2169		3183
2170	Create a new coroutine, running the specified callback. The coroutine will	3184	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3200
2187	$coro	3201	$coro
2188	}	3202	}
2189		3203
2190	cf::client->attach (	3204	cf::client->attach (
2191	on_destroy => sub {	3205	on_client_destroy => sub {
2192	my ($ns) = @_;	3206	my ($ns) = @_;
2193		3207
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3208	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3209	},
2196	);	3210	);
…		…
2211	our $safe = new Safe "safe";	3225	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3226	our $safe_hole = new Safe::Hole;
2213		3227
2214	$SIG{FPE} = 'IGNORE';	3228	$SIG{FPE} = 'IGNORE';
2215		3229
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3230	$safe->permit_only (Opcode::opset qw(
		3231	:base_core :base_mem :base_orig :base_math :base_loop
		3232	grepstart grepwhile mapstart mapwhile
		3233	sort time
		3234	));
2217		3235
2218	# here we export the classes and methods available to script code	3236	# here we export the classes and methods available to script code
2219		3237
2220	=pod	3238	=pod
2221		3239
2222	The following functions and methods are available within a safe environment:	3240	The following functions and methods are available within a safe environment:
2223		3241
2224	cf::object contr pay_amount pay_player map	3242	cf::object
		3243	contr pay_amount pay_player map x y force_find force_add destroy
		3244	insert remove name archname title slaying race decrease split
		3245	value
		3246
2225	cf::object::player player	3247	cf::object::player
2226	cf::player peaceful	3248	player
2227	cf::map trigger	3249
		3250	cf::player
		3251	peaceful
		3252
		3253	cf::map
		3254	trigger
2228		3255
2229	=cut	3256	=cut
2230		3257
2231	for (	3258	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3259	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3260	insert remove inv nrof name archname title slaying race
		3261	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3262	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3263	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3264	["cf::map" => qw(trigger)],
2236	) {	3265	) {
2237	no strict 'refs';	3266	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3267	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3268	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257		3286
2258	my $qcode = $code;	3287	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3288	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3289	$qcode =~ s/\n/\\n/g;
2261		3290
		3291	%vars = (_dummy => 0) unless %vars;
		3292
		3293	my @res;
2262	local $_;	3294	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3295
2265	my $eval =	3296	my $eval =
2266	"do {\n"	3297	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3298	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3299	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3300	. $code
2270	. "\n}"	3301	. "\n}"
2271	;	3302	;
2272		3303
		3304	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3305	sub_generation_inc;
		3306	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3307	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3308	sub_generation_inc;
		3309	} else {
		3310	local @cf::_safe_eval_args = values %vars;
		3311	@res = wantarray ? eval eval : scalar eval $eval;
		3312	}
2276		3313
2277	if ($@) {	3314	if ($@) {
2278	warn "$@";	3315	warn "$@";
2279	warn "while executing safe code '$code'\n";	3316	warn "while executing safe code '$code'\n";
2280	warn "with arguments " . (join " ", %vars) . "\n";	3317	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2299	=cut	3336	=cut
2300		3337
2301	sub register_script_function {	3338	sub register_script_function {
2302	my ($fun, $cb) = @_;	3339	my ($fun, $cb) = @_;
2303		3340
2304	no strict 'refs';	3341	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3342	*$fun = $safe_hole->wrap ($cb);
2306	}	3343	}
2307		3344
2308	=back	3345	=back
2309		3346
2310	=cut	3347	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3348
2484	#############################################################################	3349	#############################################################################
2485	# the server's init and main functions	3350	# the server's init and main functions
2486		3351
2487	sub load_facedata($) {	3352	sub load_facedata($) {
2488	my ($path) = @_;	3353	my ($path) = @_;
		3354
		3355	# HACK to clear player env face cache, we need some signal framework
		3356	# for this (global event?)
		3357	%ext::player_env::MUSIC_FACE_CACHE = ();
		3358
		3359	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3360
2490	warn "loading facedata from $path\n";	3361	warn "loading facedata from $path\n";
2491		3362
2492	my $facedata;	3363	my $facedata;
2493	0 < aio_load $path, $facedata	3364	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3367	$facedata = Coro::Storable::thaw $facedata;
2497		3368
2498	$facedata->{version} == 2	3369	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3370	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3371
		3372	# patch in the exptable
		3373	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3374	$facedata->{resource}{"res/exp_table"} = {
		3375	type => FT_RSRC,
		3376	data => $exp_table,
		3377	hash => (Digest::MD5::md5 $exp_table),
		3378	};
		3379	cf::cede_to_tick;
		3380
2501	{	3381	{
2502	my $faces = $facedata->{faceinfo};	3382	my $faces = $facedata->{faceinfo};
2503		3383
2504	while (my ($face, $info) = each %$faces) {	3384	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3385	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3386
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3387	cf::face::set_visibility $idx, $info->{visibility};
		3388	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3389	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3390	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3391
		3392	cf::cede_to_tick;
2510	}	3393	}
2511		3394
2512	while (my ($face, $info) = each %$faces) {	3395	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3396	next unless $info->{smooth};
		3397
2514	my $idx = cf::face::find $face	3398	my $idx = cf::face::find $face
2515	or next;	3399	or next;
		3400
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3401	if (my $smooth = cf::face::find $info->{smooth}) {
		3402	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3403	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3404	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3405	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3406	}
2521	Coro::cede;	3407
		3408	cf::cede_to_tick;
2522	}	3409	}
2523	}	3410	}
2524		3411
2525	{	3412	{
2526	my $anims = $facedata->{animinfo};	3413	my $anims = $facedata->{animinfo};
2527		3414
2528	while (my ($anim, $info) = each %$anims) {	3415	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3416	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3417	cf::cede_to_tick;
2531	}	3418	}
2532		3419
2533	cf::anim::invalidate_all; # d'oh	3420	cf::anim::invalidate_all; # d'oh
2534	}	3421	}
2535		3422
		3423	{
		3424	my $res = $facedata->{resource};
		3425
		3426	while (my ($name, $info) = each %$res) {
		3427	if (defined $info->{type}) {
		3428	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3429
		3430	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3431	cf::face::set_type $idx, $info->{type};
		3432	} else {
		3433	$RESOURCE{$name} = $info; # unused
		3434	}
		3435
		3436	cf::cede_to_tick;
		3437	}
		3438	}
		3439
		3440	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3441
2536	1	3442	1
2537	}	3443	}
2538		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2539	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2540	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2542	}	3475	}
2543		3476
2544	sub reload_facedata {	3477	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3487	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3488	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3489	or die "unable to load treasurelists\n";
2557	}	3490	}
2558		3491
		3492	sub reload_sound {
		3493	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3494	or die "$DATADIR/sound $!";
		3495
		3496	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3497
		3498	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3499	my $sound = $soundconf->{compat}[$_]
		3500	or next;
		3501
		3502	my $face = cf::face::find "sound/$sound->[1]";
		3503	cf::sound::set $sound->[0] => $face;
		3504	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3505	}
		3506
		3507	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3508	my $face = cf::face::find "sound/$v";
		3509	cf::sound::set $k => $face;
		3510	}
		3511	}
		3512
2559	sub reload_resources {	3513	sub reload_resources {
2560	warn "reloading resource files...\n";	3514	warn "reloading resource files...\n";
2561		3515
		3516	reload_facedata;
		3517	reload_sound;
		3518	reload_archetypes;
2562	reload_regions;	3519	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3520	reload_treasures;
2566		3521
2567	warn "finished reloading resource files\n";	3522	warn "finished reloading resource files\n";
2568	}	3523	}
2569		3524
2570	sub init {	3525	sub reload_config {
2571	reload_resources;	3526	warn "reloading config file...\n";
2572	}
2573		3527
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3528	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3529	or return;
2577		3530
2578	local $/;	3531	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3532	*CFG = YAML::XS::Load scalar <$fh>;
2580		3533
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3534	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3535
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3536	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3537	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3538
2586	if (exists $CFG{mlockall}) {	3539	if (exists $CFG{mlockall}) {
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3541	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3542	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3543	};
2591	warn $@ if $@;	3544	warn $@ if $@;
2592	}	3545	}
		3546
		3547	warn "finished reloading resource files\n";
		3548	}
		3549
		3550	sub pidfile() {
		3551	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3552	or die "$PIDFILE: $!";
		3553	flock $fh, &Fcntl::LOCK_EX
		3554	or die "$PIDFILE: flock: $!";
		3555	$fh
		3556	}
		3557
		3558	# make sure only one server instance is running at any one time
		3559	sub atomic {
		3560	my $fh = pidfile;
		3561
		3562	my $pid = <$fh>;
		3563	kill 9, $pid if $pid > 0;
		3564
		3565	seek $fh, 0, 0;
		3566	print $fh $$;
		3567	}
		3568
		3569	sub main_loop {
		3570	warn "EV::loop starting\n";
		3571	if (1) {
		3572	EV::loop;
		3573	}
		3574	warn "EV::loop returned\n";
		3575	goto &main_loop unless $REALLY_UNLOOP;
2593	}	3576	}
2594		3577
2595	sub main {	3578	sub main {
		3579	cf::init_globals; # initialise logging
		3580
		3581	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3582	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3583	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3584	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3585
		3586	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3587
2596	# we must not ever block the main coroutine	3588	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3589	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3590	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3591	(async {
2600	Event::one_event;	3592	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3593	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3594	})->prio (Coro::PRIO_MAX);
2602	};	3595	};
2603		3596
2604	cfg_load;	3597	evthread_start IO::AIO::poll_fileno;
		3598
		3599	cf::sync_job {
		3600	cf::init_experience;
		3601	cf::init_anim;
		3602	cf::init_attackmess;
		3603	cf::init_dynamic;
		3604
		3605	cf::load_settings;
		3606	cf::load_materials;
		3607
		3608	reload_resources;
		3609	reload_config;
2605	db_init;	3610	db_init;
		3611
		3612	cf::init_uuid;
		3613	cf::init_signals;
		3614	cf::init_skills;
		3615
		3616	cf::init_beforeplay;
		3617
		3618	atomic;
		3619
2606	load_extensions;	3620	load_extensions;
2607		3621
2608	$TICK_WATCHER->start;	3622	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3623
		3624	# no (long-running) fork's whatsoever before this point(!)
		3625	use POSIX ();
		3626	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3627
		3628	(pop @POST_INIT)->(0) while @POST_INIT;
		3629	};
		3630
		3631	cf::object::thawer::errors_are_fatal 0;
		3632	warn "parse errors in files are no longer fatal from this point on.\n";
		3633
		3634	main_loop;
2610	}	3635	}
2611		3636
2612	#############################################################################	3637	#############################################################################
2613	# initialisation and cleanup	3638	# initialisation and cleanup
2614		3639
2615	# install some emergency cleanup handlers	3640	# install some emergency cleanup handlers
2616	BEGIN {	3641	BEGIN {
		3642	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3643	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3644	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3645	cf::cleanup "SIG$signal";
2625	},
2626	);	3646	};
		3647	}
		3648	}
		3649
		3650	sub write_runtime_sync {
		3651	my $t0 = AE::time;
		3652
		3653	# first touch the runtime file to show we are still running:
		3654	# the fsync below can take a very very long time.
		3655
		3656	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3657
		3658	my $guard = cf::lock_acquire "write_runtime";
		3659
		3660	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3661	or return;
		3662
		3663	my $value = $cf::RUNTIME + 90 + 10;
		3664	# 10 is the runtime save interval, for a monotonic clock
		3665	# 60 allows for the watchdog to kill the server.
		3666
		3667	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3668	and return;
		3669
		3670	# always fsync - this file is important
		3671	aio_fsync $fh
		3672	and return;
		3673
		3674	# touch it again to show we are up-to-date
		3675	aio_utime $fh, undef, undef;
		3676
		3677	close $fh
		3678	or return;
		3679
		3680	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3681	and return;
		3682
		3683	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3684
2627	}	3685	1
		3686	}
		3687
		3688	our $uuid_lock;
		3689	our $uuid_skip;
		3690
		3691	sub write_uuid_sync($) {
		3692	$uuid_skip ||= $_[0];
		3693
		3694	return if $uuid_lock;
		3695	local $uuid_lock = 1;
		3696
		3697	my $uuid = "$LOCALDIR/uuid";
		3698
		3699	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3700	or return;
		3701
		3702	my $value = uuid_seq uuid_cur;
		3703
		3704	unless ($value) {
		3705	warn "cowardly refusing to write zero uuid value!\n";
		3706	return;
		3707	}
		3708
		3709	my $value = uuid_str $value + $uuid_skip;
		3710	$uuid_skip = 0;
		3711
		3712	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3713	and return;
		3714
		3715	# always fsync - this file is important
		3716	aio_fsync $fh
		3717	and return;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$uuid~", $uuid
		3723	and return;
		3724
		3725	warn "uuid file written ($value).\n";
		3726
		3727	1
		3728
		3729	}
		3730
		3731	sub write_uuid($$) {
		3732	my ($skip, $sync) = @_;
		3733
		3734	$sync ? write_uuid_sync $skip
		3735	: async { write_uuid_sync $skip };
2628	}	3736	}
2629		3737
2630	sub emergency_save() {	3738	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3739	my $freeze_guard = cf::freeze_mainloop;
2632		3740
2633	warn "enter emergency perl save\n";	3741	warn "emergency_perl_save: enter\n";
2634		3742
2635	cf::sync_job {	3743	cf::sync_job {
		3744	# this is a trade-off: we want to be very quick here, so
		3745	# save all maps without fsync, and later call a global sync
		3746	# (which in turn might be very very slow)
		3747	local $USE_FSYNC = 0;
		3748
2636	# use a peculiar iteration method to avoid tripping on perl	3749	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3750	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3751	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3752	warn "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3753	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3754	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3755	$pl->valid or next;
		3756	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3757	$pl->save;
2644	}	3758	}
2645	warn "end emergency player save\n";	3759	warn "emergency_perl_save: end player save\n";
2646		3760
2647	warn "begin emergency map save\n";	3761	warn "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3762	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3763	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3764	$map->valid or next;
2651	$map->save;	3765	$map->save;
2652	}	3766	}
2653	warn "end emergency map save\n";	3767	warn "emergency_perl_save: end map save\n";
2654		3768
2655	warn "begin emergency database checkpoint\n";	3769	warn "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3770	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3771	warn "emergency_perl_save: end database checkpoint\n";
		3772
		3773	warn "emergency_perl_save: begin write uuid\n";
		3774	write_uuid_sync 1;
		3775	warn "emergency_perl_save: end write uuid\n";
2658	};	3776	};
2659		3777
		3778	warn "emergency_perl_save: starting sync()\n";
		3779	IO::AIO::aio_sync sub {
		3780	warn "emergency_perl_save: finished sync()\n";
		3781	};
		3782
2660	warn "leave emergency perl save\n";	3783	warn "emergency_perl_save: leave\n";
2661	}	3784	}
2662		3785
2663	sub post_cleanup {	3786	sub post_cleanup {
2664	my ($make_core) = @_;	3787	my ($make_core) = @_;
2665		3788
2666	warn Carp::longmess "post_cleanup backtrace"	3789	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3790	if $make_core;
		3791
		3792	my $fh = pidfile;
		3793	unlink $PIDFILE if <$fh> == $$;
		3794	}
		3795
		3796	# a safer delete_package, copied from Symbol
		3797	sub clear_package($) {
		3798	my $pkg = shift;
		3799
		3800	# expand to full symbol table name if needed
		3801	unless ($pkg =~ /^main::.*::$/) {
		3802	$pkg = "main$pkg" if $pkg =~ /^::/;
		3803	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3804	$pkg .= '::' unless $pkg =~ /::$/;
		3805	}
		3806
		3807	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3808	my $stem_symtab = *{$stem}{HASH};
		3809
		3810	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3811	or return;
		3812
		3813	# clear all symbols
		3814	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3815	for my $name (keys %$leaf_symtab) {
		3816	_gv_clear *{"$pkg$name"};
		3817	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3818	}
2668	}	3819	}
2669		3820
2670	sub do_reload_perl() {	3821	sub do_reload_perl() {
2671	# can/must only be called in main	3822	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3823	if (in_main) {
2673	warn "can only reload from main coroutine";	3824	warn "can only reload from main coroutine";
2674	return;	3825	return;
2675	}	3826	}
2676		3827
		3828	return if $RELOAD++;
		3829
		3830	my $t1 = AE::time;
		3831
		3832	while ($RELOAD) {
2677	warn "reloading...";	3833	warn "reloading...";
2678		3834
2679	warn "entering sync_job";	3835	warn "entering sync_job";
2680		3836
2681	cf::sync_job {	3837	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3838	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3839	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3840	cf::write_runtime_sync; # external watchdog should not bark
2685		3841
2686	warn "syncing database to disk";	3842	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3843	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3844
2689	# if anything goes wrong in here, we should simply crash as we already saved	3845	# if anything goes wrong in here, we should simply crash as we already saved
2690		3846
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3847	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3848	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3849	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3850	}
2727		3851
2728	warn "... nuking $pkg";	3852	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3853	$_->cancel for values %EXT_CORO;
2730	}	3854	%EXT_CORO = ();
2731		3855
2732	warn "unloading all perl modules loaded from $LIBDIR";	3856	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3857	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3858
		3859	warn "removing ext/exti commands";
		3860	%EXTCMD = ();
		3861	%EXTICMD = ();
		3862
		3863	warn "unloading/nuking all extensions";
		3864	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3865	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3866
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3867	if (my $cb = $pkg->can ("unload")) {
		3868	eval {
2743	$cb->();	3869	$cb->($pkg);
		3870	1
		3871	} or warn "$pkg unloaded, but with errors: $@";
		3872	}
		3873
		3874	warn "... clearing $pkg";
		3875	clear_package $pkg;
2744	}	3876	}
2745		3877
2746	Symbol::delete_package $k;	3878	warn "unloading all perl modules loaded from $LIBDIR";
		3879	while (my ($k, $v) = each %INC) {
		3880	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3881
		3882	warn "... unloading $k";
		3883	delete $INC{$k};
		3884
		3885	$k =~ s/\.pm$//;
		3886	$k =~ s/\//::/g;
		3887
		3888	if (my $cb = $k->can ("unload_module")) {
		3889	$cb->();
		3890	}
		3891
		3892	clear_package $k;
2747	}	3893	}
2748		3894
2749	warn "getting rid of safe::, as good as possible";	3895	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3896	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3897	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3898
2753	warn "unloading cf.pm \"a bit\"";	3899	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3900	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3901	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3902
2757	# don't, removes xs symbols, too,	3903	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3904	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3905	#clear_package __PACKAGE__;
2760		3906
2761	warn "unload completed, starting to reload now";	3907	warn "unload completed, starting to reload now";
2762		3908
2763	warn "reloading cf.pm";	3909	warn "reloading cf.pm";
2764	require cf;	3910	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3911	cf::_connect_to_perl_1;
2766		3912
2767	warn "loading config and database again";	3913	warn "loading config and database again";
2768	cf::cfg_load;	3914	cf::reload_config;
2769		3915
2770	warn "loading extensions";	3916	warn "loading extensions";
2771	cf::load_extensions;	3917	cf::load_extensions;
2772		3918
		3919	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3920	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3921	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3922	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3923	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3924	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3925	reattach $_ for values %PLAYER;
		3926	}
2779		3927
		3928	warn "running post_init jobs";
		3929	(pop @POST_INIT)->(1) while @POST_INIT;
		3930
2780	warn "leaving sync_job";	3931	warn "leaving sync_job";
2781		3932
2782	1	3933	1
2783	} or do {	3934	} or do {
2784	warn $@;	3935	warn $@;
2785	warn "error while reloading, exiting.";	3936	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3937	};
2788		3938
2789	warn "reloaded";	3939	warn "reloaded";
		3940	--$RELOAD;
		3941	}
		3942
		3943	$t1 = AE::time - $t1;
		3944	warn "reload completed in ${t1}s\n";
2790	};	3945	};
2791		3946
2792	our $RELOAD_WATCHER; # used only during reload	3947	our $RELOAD_WATCHER; # used only during reload
2793		3948
2794	sub reload_perl() {	3949	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3950	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3951	# coro crashes during coro_state_free->destroy here.
2797		3952
2798	$RELOAD_WATCHER ||= Event->timer (	3953	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3954	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3955
2801	data => WF_AUTOCANCEL,	3956	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3957	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3958	undef $RELOAD_WATCHER;
2805	},	3959	};
2806	);	3960	};
2807	}	3961	}
2808		3962
2809	register_command "reload" => sub {	3963	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3964	my ($who, $arg) = @_;
2811		3965
2812	if ($who->flag (FLAG_WIZ)) {	3966	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3967	$who->message ("reloading server.");
		3968	async {
		3969	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3970	reload_perl;
		3971	};
2815	}	3972	}
2816	};	3973	};
2817		3974
2818	unshift @INC, $LIBDIR;	3975	unshift @INC, $LIBDIR;
2819		3976
…		…
2821		3978
2822	our @WAIT_FOR_TICK;	3979	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3980	our @WAIT_FOR_TICK_BEGIN;
2824		3981
2825	sub wait_for_tick {	3982	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3983	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		3984
2829	my $signal = new Coro::Signal;	3985	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3986	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3987	$signal->wait;
2832	}	3988	}
2833		3989
2834	sub wait_for_tick_begin {	3990	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3991	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		3992
2838	my $signal = new Coro::Signal;	3993	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3994	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3995	$signal->wait;
2841	}	3996	}
2842		3997
2843	my $min = 1e6;#d#	3998	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3999	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4000	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4001	unless ++$bug_warning > 10;
2855	return;	4002	return;
2856	}	4003	}
2857		4004
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	4005	cf::server_tick; # one server iteration
2861		4006
2862	0 && sync_job {#d#	4007	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		4008
2868	$map->width (50);	4009	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	4010	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	4011	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	4012	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	4013	write_runtime_sync
2873		4014	or warn "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4015	};
		4016	}
2884		4017
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4018	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4019	$sig->send;
2901	}	4020	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4021	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4022	$sig->send;
2904	}	4023	}
2905		4024
2906	$NOW = Event::time;	4025	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4026	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4027
2917	_post_tick;	4028	if (0) {
2918		4029	if ($NEXT_TICK) {
2919		4030	my $jitter = $TICK_START - $NEXT_TICK;
		4031	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4032	warn "jitter $JITTER\n";#d#
		4033	}
2920	},	4034	}
2921	);	4035	}
2922		4036
2923	{	4037	{
2924	BDB::max_poll_time $TICK * 0.1;	4038	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4039
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4040	BDB::min_parallel 16;
2934		4041	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4042	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4043
2950	unless ($DB_ENV) {	4044	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4045	$DB_ENV = BDB::db_env_create;
		4046	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4047	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4048	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4049	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4050	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4051
2953	cf::sync_job {	4052	cf::sync_job {
2954	eval {	4053	eval {
2955	BDB::db_env_open	4054	BDB::db_env_open
2956	$DB_ENV,	4055	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4057	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4058	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4059	0666;
2961		4060
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4061	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4062	};
2967		4063
2968	cf::cleanup "db_env_open(db): $@" if $@;	4064	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4065	};
2970	}	4066	}
		4067
		4068	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4069	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4070	};
		4071	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4072	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4073	};
		4074	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4075	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4076	};
2971	}	4077	}
2972		4078
2973	{	4079	{
		4080	# configure IO::AIO
		4081
2974	IO::AIO::min_parallel 8;	4082	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4083	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4084	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4085	}
2987		4086
2988	my $_log_backtrace;	4087	my $_log_backtrace;
2989		4088
2990	sub _log_backtrace {	4089	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4092	$msg =~ s/\n//;
2994		4093
2995	# limit the # of concurrent backtraces	4094	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4095	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4096	++$_log_backtrace;
		4097	my $perl_bt = Carp::longmess $msg;
2998	async {	4098	async {
		4099	$Coro::current->{desc} = "abt $msg";
		4100
2999	my @bt = fork_call {	4101	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4102	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4103	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4104	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4105	or die "addr2line: $!";
…		…
3011	}	4113	}
3012		4114
3013	@funcs	4115	@funcs
3014	};	4116	};
3015		4117
3016	LOG llevInfo, "[ABT] $msg\n";	4118	LOG llevInfo, "[ABT] $perl_bt\n";
		4119	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4120	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4121	--$_log_backtrace;
3019	};	4122	};
3020	} else {	4123	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4124	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4125	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4126	}
3024	}	4127	}
3025		4128
3026	# load additional modules	4129	# load additional modules
3027	use cf::pod;	4130	require "cf/$_.pm" for @EXTRA_MODULES;
		4131	cf::_connect_to_perl_2;
3028		4132
3029	END { cf::emergency_save }	4133	END { cf::emergency_save }
3030		4134
3031	1	4135	1
3032		4136

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