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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.524 by root, Sun Apr 18 07:08:07 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;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	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	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
95	binmode STDOUT;	151	binmode STDOUT;
96	binmode STDERR;	152	binmode STDERR;
97		153
98	# read virtual server time, if available	154	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
103	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
104		162
105	mkdir $_	163	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		165
108	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
109		167
110	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		184
112	#############################################################################	185	#############################################################################
113		186
114	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
115		188
…		…
139		212
140	=item $cf::TICK	213	=item $cf::TICK
141		214
142	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
143		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
144	=item %cf::CFG	227	=item %cf::CFG
145		228
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	230	from wherever your confdir points to.
148		231
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		233
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
155	=back	250	=back
156		251
157	=cut	252	=cut
158		253
159	BEGIN {	254	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	255	my $msg = join "", @_;
162		256
163	$msg .= "\n"	257	$msg .= "\n"
164	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
165		259
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		261
168	utf8::encode $msg;
169	LOG llevError, $msg;	262	LOG llevError, $msg;
170	};	263	};
171	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
172		278
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		286
180	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	288	# within the Safe compartment.
182	for my $pkg (qw(	289	for my $pkg (qw(
183	cf::global cf::attachable	290	cf::global cf::attachable
184	cf::object cf::object::player	291	cf::object cf::object::player
185	cf::client cf::player	292	cf::client cf::player
186	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
187	cf::map cf::party cf::region	295	cf::party cf::region
188	)) {	296	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	298	}
192		299
193	$Event::DIED = sub {	300	$EV::DIED = sub {
194	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
195	};	302	};
		303
		304	#############################################################################
196		305
197	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
198		307
199	=over 4	308	=over 4
200		309
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	329	$d
221	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
222	}	331	}
223		332
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
227		334
228	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
229		336
230	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
231		338
232	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
233		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
234	=item cf::lock_wait $string	362	=item cf::lock_wait $string
235		363
236	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
237		365
238	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
239		367
240	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
243	returned.	371	returned.
244		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
245	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
247		378
248	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
249		380
250	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
251		382
252	=cut	383	=cut
253		384
254	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
255		386
256	sub lock_wait($) {	387	sub lock_wait($) {
257	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	389	}
265		390
266	sub lock_acquire($) {	391	sub lock_acquire($) {
267	my ($key) = @_;	392	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	393	}
279		394
280	sub lock_active($) {	395	sub lock_active($) {
281	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	397	}
285		398
286	sub freeze_mainloop {	399	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
288		401
289	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
291	};	469	}
292	$TICK_WATCHER->stop;	470	};
293	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
294	}	485	}
295		486
296	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
297		488
298	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		494
304	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
305		496
306	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
307		498
308	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
311		503
312	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
315	fast or be very important.	507	fast or be very important.
…		…
318		510
319	sub sync_job(&) {	511	sub sync_job(&) {
320	my ($job) = @_;	512	my ($job) = @_;
321		513
322	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
323	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
325		519
326	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	521
328	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
329		523
330	my $busy = 1;	524	my $busy = 1;
331	my @res;	525	my @res;
332		526
333	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	529	@res = eval { $job->() };
335	warn $@ if $@;	530	warn $@ if $@;
336	undef $busy;	531	undef $busy;
337	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
338		533
339	while ($busy) {	534	while ($busy) {
340	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
341	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
342		545
343	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
344	} else {	547	} else {
345	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
346		549
…		…
366	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
367		570
368	$coro	571	$coro
369	}	572	}
370		573
371	sub write_runtime {	574	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		575
374	my $runtime = "$LOCALDIR/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
375		580
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
377	or return;
378		582
379	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		585
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
384	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
385		589
386	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	591	reset_signals;
388	and return;	592	&$cb
		593	}, @args;
389		594
390	close $fh	595	wantarray ? @res : $res[-1]
391	or return;	596	}
392		597
393	aio_rename "$runtime~", $runtime	598	sub objinfo {
394	and return;
395
396	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
397	}	761	}
398		762
399	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
400		764
401	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		777
414	#############################################################################	778	#############################################################################
415		779
416	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
417		781
418	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
421		785
422	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	788	Deliantra).
425		789
426	=over 4	790	=over 4
427		791
428	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
429		793
…		…
473	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
474		838
475	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
477		841
478	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
480		844
481	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
482		846
483	=over 4	847	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
593		957
594	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		962
599	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	964	my $pkg = shift @arg;
601		965
602	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
632	}	996	}
633		997
634	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
635	} else {	999	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	1001	}
638		1002
639	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
640	}	1004	}
641		1005
…		…
643	if (ref $_[0]) {	1007	if (ref $_[0]) {
644	_object_attach @_;	1008	_object_attach @_;
645	} else {	1009	} else {
646	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
647	}	1011	}
		1012	_recalc_want;
648	};	1013	};
649		1014
650	# all those should be optimised	1015	# all those should be optimised
651	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1021	reattach ($obj);
657	} else {	1022	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
659	}	1024	}
		1025	_recalc_want;
660	};	1026	};
661		1027
662	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
664		1030
…		…
679	";	1045	";
680	die if $@;	1046	die if $@;
681	}	1047	}
682		1048
683	our $override;	1049	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1051
686	sub override {	1052	sub override {
687	$override = 1;	1053	$override = 1;
688	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
689	}	1055	}
690		1056
691	sub do_invoke {	1057	sub do_invoke {
692	my $event = shift;	1058	my $event = shift;
693	my $callbacks = shift;	1059	my $callbacks = shift;
694		1060
695	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
696		1062
697	local $override;	1063	local $override;
698		1064
699	for (@$callbacks) {	1065	for (@$callbacks) {
700	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
709	}	1075	}
710		1076
711	0	1077	0
712	}	1078	}
713		1079
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1081
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1083
718	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
719		1085
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1089
724	=back	1090	=back
725		1091
726	=cut	1092	=cut
727		1093
728	#############################################################################	1094	#############################################################################
729	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
730		1138
731	sub reattach {	1139	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1141	my ($obj) = @_;
734		1142
		1143	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1145
737	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
738		1147
739	@$registry = ();	1148	@$registry = ();
740		1149
…		…
755	cf::attachable->attach (	1164	cf::attachable->attach (
756	prio => -1000000,	1165	prio => -1000000,
757	on_instantiate => sub {	1166	on_instantiate => sub {
758	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
759		1168
760	$data = from_json $data;	1169	$data = decode_json $data;
761		1170
762	for (@$data) {	1171	for (@$data) {
763	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
764		1173
765	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1190	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
783		1192
784	sync_job {	1193	sync_job {
785	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
788		1198
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	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;
		1204	aio_fsync $fh;
		1205	}
793	close $fh;	1206	aio_close $fh;
794		1207
795	if (@$objs) {	1208	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	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;
		1215	aio_fsync $fh;
		1216	}
801	close $fh;	1217	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
803	}	1219	}
804	} else {	1220	} else {
805	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
806	}	1222	}
807		1223
808	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1228	} else {
810	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
811	}	1230	}
812	} else {	1231	} else {
813	aio_unlink $filename;	1232	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
815	}	1234	}
816	}	1235	};
817	}	1236	}
818		1237
819	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
821		1240
…		…
833	or return;	1252	or return;
834		1253
835	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
837	or return;	1256	or return;
		1257
838	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
839	}	1260	}
840		1261
		1262	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
843	return ($data, $av);	1266	($data, $av)
844	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
845		1274
846	#############################################################################	1275	#############################################################################
847	# command handling &c	1276	# command handling &c
848		1277
849	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1292	}
864		1293
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1295
867	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
868		1301
869	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
870	called.	1303	called.
871		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
872	=cut	1316	=cut
873		1317
874	sub register_extcmd {	1318	sub register_extcmd {
875	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
876		1320
877	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
878	}	1322	}
879		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
880	cf::player->attach (	1332	cf::player->attach (
881	on_command => sub {	1333	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
883		1335
884	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
885	or return;	1337	or return;
886		1338
…		…
891	cf::override;	1343	cf::override;
892	},	1344	},
893	on_extcmd => sub {	1345	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
895		1347
896	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1349
898	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
904	} else {	1365	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1367	}
907		1368
908	cf::override;	1369	cf::override;
909	},	1370	},
910	);	1371	);
911		1372
		1373	# "readahead" all extensions
912	sub load_extension {	1374	sub cache_extensions {
913	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
914		1376
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1380	}
940	die $@;
941	}	1381	};
942		1382
943	push @EXTS, $pkg;	1383	$grp
944	}	1384	}
945		1385
946	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
947	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1391	next unless -r $path;
949	eval {	1392
950	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
951	1	1456	}
952	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
953	}	1467	};
954	}	1468	}
955		1469
956	#############################################################################	1470	#############################################################################
957		1471
		1472	=back
		1473
958	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
959		1475
960	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
961		1477
962	=cut	1478	=cut
963		1479
964	package cf::player;	1480	package cf::player;
965		1481
966	use Coro::AIO;	1482	use Coro::AIO;
967		1483
968	=head3 cf::player	1484	=head3 cf::player
969		1485
970	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
971		1501
972	=item cf::player::find $login	1502	=item cf::player::find $login
973		1503
974	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
975		1505
…		…
994		1524
995	sub exists($) {	1525	sub exists($) {
996	my ($login) = @_;	1526	my ($login) = @_;
997		1527
998	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1000	}	1530	}
1001		1531
1002	sub find($) {	1532	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1534	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1545
1016	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1019	}	1555	}
1020	}	1556	}
1021	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1022		1571
1023	sub save($) {	1572	sub save($) {
1024	my ($pl) = @_;	1573	my ($pl) = @_;
1025		1574
1026	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1032		1581
1033	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1035		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1036	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1037	Coro::cede;	1591	cf::cede_to_tick;
1038	}	1592	}
1039		1593
1040	sub new($) {	1594	sub new($) {
1041	my ($login) = @_;	1595	my ($login) = @_;
1042		1596
…		…
1048	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1049		1603
1050	$self	1604	$self
1051	}	1605	}
1052		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1053	=item $pl->quit_character	1617	=item $pl->quit_character
1054		1618
1055	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1057		1621
…		…
1061	my ($pl) = @_;	1625	my ($pl) = @_;
1062		1626
1063	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1064		1628
1065	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1631
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1072		1638
1073	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1676	or return [];
1111		1677
1112	my @logins;	1678	my @logins;
1113		1679
1114	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1118		1690
1119	utf8::decode $login;	1691	utf8::decode $login;
1120	push @logins, $login;	1692	push @logins, $login;
1121	}	1693	}
1122		1694
1123	\@logins	1695	\@logins
1124	}	1696	}
1125		1697
1126	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1127		1701
1128	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1129	player. May block.	1703	player. May block.
1130		1704
1131	=cut	1705	=cut
…		…
1149	}	1723	}
1150		1724
1151	\@paths	1725	\@paths
1152	}	1726	}
1153		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1154	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1155		1733
1156	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1157		1735
1158	=cut	1736	=cut
1159		1737
1160	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1162		1740
1163	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1742	}
1167		1743
1168	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1169		1745
1170	Sends an ext event to the client.	1746	Sends an ext event to the client.
1171		1747
1172	=cut	1748	=cut
1173		1749
1174	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1176		1752
1177	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1178	}	1754	}
1179		1755
1180	=head3 cf::region	1756	=head3 cf::region
1181		1757
1182	=over 4	1758	=over 4
…		…
1185		1761
1186	package cf::region;	1762	package cf::region;
1187		1763
1188	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1189		1765
1190	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1191		1767
1192	=cut	1768	=cut
1193		1769
1194	sub find_by_path($) {	1770	sub find_by_path($) {
1195	my ($path) = @_;	1771	my ($path) = @_;
1196		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1197	my ($match, $specificity);	1775	my ($match, $specificity);
1198		1776
1199	for my $region (list) {	1777	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1203	}	1781	}
1204	}	1782	}
1205		1783
…		…
1226	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1228		1806
1229	sub generate_random_map {	1807	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1811
1231	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1813	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1261		1842
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	1844	}
1264		1845
1265	# also paths starting with '/'	1846	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		1848
1268	sub thawer_merge {	1849	sub thawer_merge {
1269	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1270		1851
1271	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1272	local $self->{path};	1853	local $self->{path};
1273	local $self->{load_path};	1854	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1855
1277	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1278	}	1857	}
1279		1858
1280	sub normalise {	1859	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1328	return $self;	1907	return $self;
1329	}	1908	}
1330	}	1909	}
1331		1910
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1912	()
1334	}	1913	}
1335		1914
1336	sub init {	1915	sub init {
1337	my ($self) = @_;	1916	my ($self) = @_;
…		…
1359		1938
1360	# the temporary/swap location	1939	# the temporary/swap location
1361	sub save_path {	1940	sub save_path {
1362	my ($self) = @_;	1941	my ($self) = @_;
1363		1942
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1366	}	1945	}
1367		1946
1368	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1369	sub uniq_path {	1948	sub uniq_path {
1370	my ($self) = @_;	1949	my ($self) = @_;
1371		1950
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1374	}	1953	}
1375		1954
1376	# and all this just because we cannot iterate over	1955	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1956	my ($self) = @_;
1380		1957
1381	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1383	}	1961	}
1384		1962
1385	sub unlink_save {	1963	sub unlink_save {
1386	my ($self) = @_;	1964	my ($self) = @_;
1387		1965
…		…
1392		1970
1393	sub load_header_from($) {	1971	sub load_header_from($) {
1394	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1395		1973
1396	utf8::encode $path;	1974	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1976	or return;
		1977
		1978	$self->_load_header ($f)
		1979	or return;
		1980
		1981	local $MAP_LOADING{$self->{path}} = $self;
		1982	$f->resolve_delayed_derefs;
1402		1983
1403	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1404		1985
1405	1	1986	1
1406	}	1987	}
…		…
1445	$self->load_header_orig	2026	$self->load_header_orig
1446	or return;	2027	or return;
1447	$self->prepare_orig;	2028	$self->prepare_orig;
1448	}	2029	}
1449		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1450	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2035	unless $self->default_region;
1452		2036
1453	1	2037	1
1454	}	2038	}
…		…
1457	sub find {	2041	sub find {
1458	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1459		2043
1460	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1461		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2048
1464	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1467	or return;	2051	or return;
1468		2052
1469	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1470		2054
1471	$map->load_header	2055	$map->load_header
1472	or return;	2056	or return;
1473		2057
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1477	$map->reset;	2063	$map->reset;
1478	undef $guard;
1479	return find $path;	2064	return find $path;
1480	}	2065	}
1481		2066
1482	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1483	}	2068	}
1484	}	2069	}
1485		2070
1486	sub pre_load { }	2071	sub pre_load { }
1487	sub post_load { }	2072	#sub post_load { } # XS
1488		2073
1489	sub load {	2074	sub load {
1490	my ($self) = @_;	2075	my ($self) = @_;
1491		2076
1492	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1493		2078
1494	my $path = $self->{path};	2079	my $path = $self->{path};
1495		2080
1496	{	2081	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1498		2083
		2084	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2086
1501	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1502		2088
1503	$self->alloc;	2089	$self->alloc;
1504		2090
1505	$self->pre_load;	2091	$self->pre_load;
1506	Coro::cede;	2092	cf::cede_to_tick;
1507		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1509	or return;	2097	or return;
1510		2098
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1512	if delete $self->{load_original};	2100	if delete $self->{load_original};
1513		2101
1514	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2103	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2106	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1519	}	2110	}
1520	}	2111	}
1521		2112
1522	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1523	# now do the right thing for maps	2116	# now do the right thing for maps
1524	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2119	unless $self->difficulty;
1527	Coro::cede;	2120	cf::cede_to_tick;
1528		2121
1529	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2123	$self->decay_objects;
1531	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1532	$self->update_buttons;	2125	$self->update_buttons;
1533	Coro::cede;	2126	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2127	$self->activate;
1537	}	2128	}
1538		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1540	}	2134	}
1541		2135
1542	$self->post_load;	2136	$self->post_load;
1543	}	2137	}
1544		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2142	sub customise_for {
1546	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1547		2144
1548	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2146	if $self->per_player;
1550		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1551	$self	2151	$self
1552	}	2152	}
1553		2153
1554	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	2155	sub load_neighbours {
1556	my ($map) = @_;	2156	my ($map) = @_;
1557		2157
1558	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1559		2159
1560	for (0 .. 3) {	2160	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1562	or next;	2162	or next;
1563	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1564	or next;	2164	or next;
1565	$neigh->load;	2165	$neigh->load;
1566		2166
		2167	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	2170	}
1570		2171
1571	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1573	or next;	2175	or next;
1574	$neigh->load;	2176	$neigh->load;
1575	}	2177	}
1576	}	2178	}
1577		2179
…		…
1582	}	2184	}
1583		2185
1584	sub do_load_sync {	2186	sub do_load_sync {
1585	my ($map) = @_;	2187	my ($map) = @_;
1586		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1587	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1588	}	2193	}
1589		2194
1590	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1592		2197
1593	sub find_async {	2198	sub find_async {
1594	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1595		2200
1596	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1597		2202
1598	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600	}	2205	}
1601		2206
1602	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1603	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1604	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2214	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2215	$map->load if $v;
		2216	}
1609		2217
1610	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1611	}	2219	}
1612	}	2220	}
1613	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1614	};	2222	};
1615	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1616		2224
1617	()	2225	()
1618	}	2226	}
1619		2227
		2228	# common code, used by both ->save and ->swapout
1620	sub save {	2229	sub _save {
1621	my ($self) = @_;	2230	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2231
1625	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1626		2233
1627	return unless $self->dirty;	2234	return unless $self->dirty;
1628		2235
…		…
1634	return if $self->{deny_save};	2241	return if $self->{deny_save};
1635		2242
1636	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1637		2244
1638	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1640	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1641		2251
1642	if ($uniq) {	2252	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2255	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2257	}
1648	}	2258	}
1649		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1650	sub swap_out {	2268	sub swap_out {
1651	my ($self) = @_;	2269	my ($self) = @_;
1652		2270
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1658	return if $self->players;	2275	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1662	$self->clear;	2286	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2287	}
1665		2288
1666	sub reset_at {	2289	sub reset_at {
1667	my ($self) = @_;	2290	my ($self) = @_;
1668		2291
1669	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1672		2294
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2297
…		…
1686	my ($self) = @_;	2308	my ($self) = @_;
1687		2309
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2311
1690	return if $self->players;	2312	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2313
1693	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1694		2315
1695	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1696		2317
1697	# need to save uniques path	2318	# need to save uniques path
1698	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1702	if $uniq;	2323	if $uniq;
1703	}	2324	}
1704		2325
1705	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1706		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2330	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2331
1711	$self->unlink_save;	2332	$self->unlink_save;
1712	$self->destroy;	2333	$self->destroy;
1713	}	2334	}
1714		2335
1715	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1716		2337
1717	sub nuke {	2338	sub nuke {
1718	my ($self) = @_;	2339	my ($self) = @_;
1719		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1720	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1721		2345
1722	$self->unlink_save;	2346	$self->unlink_save;
1723		2347
1724	bless $self, "cf::map";	2348	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2353
1730	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1731		2356
1732	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
		2358	}
		2359
		2360	=item $maps = cf::map::tmp_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
		2376	}
		2377
		2378	=item $maps = cf::map::random_maps
		2379
		2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
		2382
		2383	=cut
		2384
		2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
1733	}	2394	}
1734		2395
1735	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1736		2397
1737	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2399	instantiated unique items. May block.
1739		2400
1740	=cut	2401	=cut
1741		2402
1742	sub unique_maps() {	2403	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2404	[
1744	or return;	2405	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2406	utf8::decode $_;
1750	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2409	? ()
1753	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2412	]
1755
1756	\@paths
1757	}	2413	}
1758		2414
1759	package cf;	2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
		2442	}
		2443
		2444	\@maps
		2445	}
1760		2446
1761	=back	2447	=back
1762		2448
1763	=head3 cf::object	2449	=head3 cf::object
1764		2450
…		…
1768		2454
1769	=over 4	2455	=over 4
1770		2456
1771	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1772		2458
1773	Returns the inventory of the object _and_ their inventories, recursively.	2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
1774		2461
1775	=cut	2462	=cut
1776		2463
1777	sub inv_recursive_;	2464	sub inv_recursive_;
1778	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1781		2468
1782	sub inv_recursive {	2469	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1784	}	2471	}
1785		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
		2499	}
		2500
1786	package cf;	2501	package cf;
1787		2502
1788	=back	2503	=back
1789		2504
1790	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2512	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1799		2514
1800	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1801		2530
1802	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2532	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1807		2536
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2538
1810	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1812	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1815	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1816	}	2564	}
1817		2565
1818	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1819		2567
1820	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1833		2581
1834	=item $player_object->enter_link	2582	=item $player_object->enter_link
1835		2583
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2585
1838	The player should be reasonably safe there for short amounts of time. You	2586	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
1840		2590
1841	Will never block.	2591	Will never block.
1842		2592
1843	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1844		2594
…		…
1862	}	2612	}
1863		2613
1864	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2615	my ($self) = @_;
1866		2616
		2617	$self->deactivate_recursive;
		2618
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2620
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1871		2623
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1873	}	2625	}
1874		2626
1875	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1877		2631
1878	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1879		2633
1880	unless ($map) {	2634	unless ($map) {
1881	# restore original map position	2635	# restore original map position
…		…
1892	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1893	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1894		2648
1895	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1898		2652
1899	$map->load;	2653	$map->load;
1900	$map->load_diag;	2654	$map->load_neighbours;
1901		2655
1902	return unless $self->contr->active;	2656	return unless $self->contr->active;
1903	$self->activate_recursive;
1904		2657
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1907	}
1908		2660
1909	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1910	on_logout => sub {	2662	$self->activate_recursive;
1911	my ($pl) = @_;	2663	}
1912		2664
1913	# abort map switching before logout	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	if ($pl->ob->{_link_pos}) {
1915	cf::sync_job {
1916	$pl->ob->leave_link
1917	};
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2666
1923	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1924	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1925	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1926	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1927	(async {	2671	be called at the end of this process.
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940		2672
1941	=item $player_object->goto ($path, $x, $y)	2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1942		2675
1943	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1944		2679
1945	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1946	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1947		2685
1948	$self->enter_link;	2686	$self->enter_link;
1949		2687
1950	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1951	my $map = eval {	2710	my $map = eval {
1952	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1953	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1954	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1955	} or	2726	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1959	})->prio (1);	2734	})->prio (1);
1960	}	2735	}
1961		2736
1962	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1963		2738
…		…
1983	}	2758	}
1984		2759
1985	sub prepare_random_map {	2760	sub prepare_random_map {
1986	my ($exit) = @_;	2761	my ($exit) = @_;
1987		2762
1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1989
1990	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1991	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1992	# that depends on the exit object	2765	# that depends on the exit object
1993		2766
1994	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
1996	if ($exit->map) {	2769	if ($exit->map) {
1997	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
1998	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
1999	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2000	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2001	}	2776	}
2002		2777
2003	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2004		2779
2005	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2006	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2007	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2008		2783
2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2010	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2011	undef $fh;	2786	undef $fh;
2012	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2013		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2014	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2015	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2016	}	2795	}
2017	}	2796	}
2018		2797
2019	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2020	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2021		2800
2022	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2023		2802
2024	if ($exit->slaying eq "/!") {
2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
2026	# the problem is that $exit might not survive long enough
2027	# so it needs to be done right now, right here
2028	cf::sync_job { prepare_random_map $exit };
2029	}
2030
2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2032	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;
2034
2035	$self->enter_link;	2803	$self->enter_link;
2036		2804
2037	(async {	2805	(async {
2038	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2039	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2040	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2041		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2042	1;	2829	1
2043	}) {	2830	}) {
2044	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2045	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2046	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2047	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2048		2835
2049	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2068		2855
2069	utf8::encode $text;	2856	utf8::encode $text;
2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2071	}	2858	}
2072		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2073	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2074		3048
2075	Sends an exti event to the client.	3049	Sends an ext event to the client.
2076		3050
2077	=cut	3051	=cut
2078		3052
2079	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2081		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2082	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2084	}	3080	}
2085		3081
2086	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2087		3083
2088	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2090	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2091		3087
2092	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2093	reliable at some point in the future.	3089	become reliable at some point in the future.
2094		3090
2095	=cut	3091	=cut
2096		3092
2097	sub cf::client::query {	3093	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	3102	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		3104
2109	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2111	}	3109	}
2112		3110
2113	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2114	on_reply => sub {	3117	on_reply => sub {
2115	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2116		3119
2117	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2118	# get handled first	3121	# get handled first
…		…
2130	} else {	3133	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	3135	}
2133	}	3136	}
2134	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2135	);	3164	);
2136		3165
2137	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2138		3167
2139	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2155		3184
2156	$coro	3185	$coro
2157	}	3186	}
2158		3187
2159	cf::client->attach (	3188	cf::client->attach (
2160	on_destroy => sub {	3189	on_client_destroy => sub {
2161	my ($ns) = @_;	3190	my ($ns) = @_;
2162		3191
2163	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2164	},	3193	},
2165	);	3194	);
…		…
2180	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2182		3211
2183	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2184		3213
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2186		3219
2187	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2188		3221
2189	=pod	3222	=pod
2190		3223
2191	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2192		3225
2193	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2194	cf::object::player player	3231	cf::object::player
2195	cf::player peaceful	3232	player
2196	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2197		3239
2198	=cut	3240	=cut
2199		3241
2200	for (	3242	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2202	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2204	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2205	) {	3249	) {
2206	no strict 'refs';	3250	no strict 'refs';
2207	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2208	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2226		3270
2227	my $qcode = $code;	3271	my $qcode = $code;
2228	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2229	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2230		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2231	local $_;	3278	local $_;
2232	local @safe::cf::_safe_eval_args = values %vars;
2233		3279
2234	my $eval =	3280	my $eval =
2235	"do {\n"	3281	"do {\n"
2236	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2237	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2238	. $code	3284	. $code
2239	. "\n}"	3285	. "\n}"
2240	;	3286	;
2241		3287
		3288	if ($CFG{safe_eval}) {
2242	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2243	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2244	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2245		3297
2246	if ($@) {	3298	if ($@) {
2247	warn "$@";	3299	warn "$@";
2248	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2249	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2268	=cut	3320	=cut
2269		3321
2270	sub register_script_function {	3322	sub register_script_function {
2271	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2272		3324
2273	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2274	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2275	}	3327	}
2276		3328
2277	=back	3329	=back
2278		3330
2279	=cut	3331	=cut
2280
2281	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453		3332
2454	#############################################################################	3333	#############################################################################
2455	# the server's init and main functions	3334	# the server's init and main functions
2456		3335
2457	sub load_facedata($) {	3336	sub load_facedata($) {
2458	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2459		3344
2460	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2461		3346
2462	my $facedata;	3347	my $facedata;
2463	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2467		3352
2468	$facedata->{version} == 2	3353	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2471	{	3365	{
2472	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2473		3367
2474	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2479	Coro::cede;	3375
		3376	cf::cede_to_tick;
2480	}	3377	}
2481		3378
2482	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2484	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2485	or next;	3383	or next;
		3384
2486	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	3388	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	3390	}
2491	Coro::cede;	3391
		3392	cf::cede_to_tick;
2492	}	3393	}
2493	}	3394	}
2494		3395
2495	{	3396	{
2496	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2497		3398
2498	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	3401	cf::cede_to_tick;
2501	}	3402	}
2502		3403
2503	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2504	}	3405	}
2505		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2506	1	3426	1
2507	}	3427	}
2508		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2509	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2510	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2512	}	3479	}
2513		3480
2514	sub reload_facedata {	3481	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2527	}	3494	}
2528		3495
2529	sub reload_resources {	3496	sub reload_resources {
2530	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2531		3498
2532	reload_regions;
2533	reload_facedata;	3499	reload_facedata;
2534	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2535	reload_treasures;	3502	reload_treasures;
2536		3503
2537	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2538	}	3505	}
2539		3506
2540	sub init {	3507	sub reload_config {
2541	reload_resources;	3508	warn "reloading config file...\n";
2542	}
2543		3509
2544	sub cfg_load {
2545	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2546	or return;	3511	or return;
2547		3512
2548	local $/;	3513	local $/;
2549	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2550		3515
2551	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2552		3517
2553	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2554	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2558	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2559	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2560	};	3525	};
2561	warn $@ if $@;	3526	warn $@ if $@;
2562	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2563	}	3558	}
2564		3559
2565	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2566	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2567	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2569	(async {	3573	(async {
2570	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2571	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2572	};	3577	};
2573		3578
2574	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2575	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2576	load_extensions;	3602	load_extensions;
2577		3603
2578	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2579	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2580	}	3617	}
2581		3618
2582	#############################################################################	3619	#############################################################################
2583	# initialisation and cleanup	3620	# initialisation and cleanup
2584		3621
2585	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2586	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2587	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2588	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2589	reentrant => 0,
2590	data => WF_AUTOCANCEL,
2591	signal => $signal,
2592	prio => 0,
2593	cb => sub {
2594	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2595	},
2596	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2597	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2598	}	3718	}
2599		3719
2600	sub emergency_save() {	3720	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2602		3722
2603	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2604		3724
2605	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2606	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2607	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2608	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2609	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2610	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2611	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2612	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2613	$pl->save;	3739	$pl->save;
2614	}	3740	}
2615	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2616		3742
2617	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2618	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2619	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2620	$map->valid or next;	3746	$map->valid or next;
2621	$map->save;	3747	$map->save;
2622	}	3748	}
2623	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2624		3750
2625	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2626	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2627	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2628	};	3758	};
2629		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2630	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2631	}	3766	}
2632		3767
2633	sub post_cleanup {	3768	sub post_cleanup {
2634	my ($make_core) = @_;	3769	my ($make_core) = @_;
2635		3770
2636	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2637	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2638	}	3801	}
2639		3802
2640	sub do_reload_perl() {	3803	sub do_reload_perl() {
2641	# can/must only be called in main	3804	# can/must only be called in main
2642	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2643	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2644	return;	3807	return;
2645	}	3808	}
2646		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2647	warn "reloading...";	3815	warn "reloading...";
2648		3816
2649	warn "entering sync_job";	3817	warn "entering sync_job";
2650		3818
2651	cf::sync_job {	3819	cf::sync_job {
2652	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2653	cf::emergency_save;	3821	cf::emergency_save;
2654	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2655		3823
2656	warn "syncing database to disk";	3824	warn "syncing database to disk";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2658		3826
2659	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2660		3828
2661	warn "cancelling all WF_AUTOCANCEL watchers";
2662	for (Event::all_watchers) {
2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2664	}
2665
2666	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2667	for (;;) {
2668	BDB::flush;
2669	IO::AIO::flush;
2670	Coro::cede;
2671	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2672	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2673	}
2674
2675	++$RELOAD;
2676
2677	warn "cancelling all extension coros";
2678	$_->cancel for values %EXT_CORO;
2679	%EXT_CORO = ();
2680
2681	warn "removing commands";
2682	%COMMAND = ();
2683
2684	warn "removing ext commands";
2685	%EXTCMD = ();
2686
2687	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";
2690
2691	if (my $cb = $pkg->can ("unload")) {
2692	eval {
2693	$cb->($pkg);
2694	1
2695	} or warn "$pkg unloaded, but with errors: $@";
2696	}	3832	}
2697		3833
2698	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2699	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2700	}	3836	%EXT_CORO = ();
2701		3837
2702	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2703	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2705		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2706	warn "... unloading $k";	3847	warn "... unloading $pkg";
2707	delete $INC{$k};
2708		3848
2709	$k =~ s/\.pm$//;
2710	$k =~ s/\//::/g;
2711
2712	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2713	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2714	}	3858	}
2715		3859
2716	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2717	}	3875	}
2718		3876
2719	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2720	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2722		3880
2723	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2724	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2725	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2726		3884
2727	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2728	# and global variables created in xs	3886	# and global variables created in xs
2729	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2730		3888
2731	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2732		3890
2733	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2734	require cf;	3892	require cf;
2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2736		3894
2737	warn "loading config and database again";	3895	warn "loading config and database again";
2738	cf::cfg_load;	3896	cf::reload_config;
2739		3897
2740	warn "loading extensions";	3898	warn "loading extensions";
2741	cf::load_extensions;	3899	cf::load_extensions;
2742		3900
		3901	if ($REATTACH_ON_RELOAD) {
2743	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2744	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2745	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2746	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2747	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2748	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2749		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2750	warn "leaving sync_job";	3913	warn "leaving sync_job";
2751		3914
2752	1	3915	1
2753	} or do {	3916	} or do {
2754	warn $@;	3917	warn $@;
2755	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2756	exit 1;
2757	};	3919	};
2758		3920
2759	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2760	};	3927	};
2761		3928
2762	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2763		3930
2764	sub reload_perl() {	3931	sub reload_perl() {
2765	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2766	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2767		3934
2768	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2769	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2770	after => 0,	3937
2771	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2772	cb => sub {
2773	do_reload_perl;	3939	do_reload_perl;
2774	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2775	},	3941	};
2776	);	3942	};
2777	}	3943	}
2778		3944
2779	register_command "reload" => sub {	3945	register_command "reload" => sub {
2780	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2781		3947
2782	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2783	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2784	async { reload_perl };	3952	reload_perl;
		3953	};
2785	}	3954	}
2786	};	3955	};
2787		3956
2788	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2789		3958
…		…
2791		3960
2792	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2793	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2794		3963
2795	sub wait_for_tick {	3964	sub wait_for_tick {
2796	return unless $TICK_WATCHER->is_active;
2797	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2798		3966
2799	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2800	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2801	$signal->wait;	3969	$signal->wait;
2802	}	3970	}
2803		3971
2804	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2805	return unless $TICK_WATCHER->is_active;
2806	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2807		3974
2808	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3977	$signal->wait;
2811	}	3978	}
2812		3979
2813	$TICK_WATCHER = Event->timer (	3980	sub tick {
2814	reentrant => 0,
2815	parked => 1,
2816	prio => 0,
2817	at => $NEXT_TICK || $TICK,
2818	data => WF_AUTOCANCEL,
2819	cb => sub {
2820	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2823	return;	3984	return;
2824	}	3985	}
2825		3986
2826	$NOW = Event::time;
2827
2828	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2829		3988
2830	$RUNTIME += $TICK;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2831	$NEXT_TICK += $TICK;
2832		3990
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2834	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2835	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2836	write_runtime	3995	write_runtime_sync
2837	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2838	};
2839	}	3997	};
		3998	}
2840		3999
2841	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#
2843
2844	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2846
2847	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;
2849
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2851	$sig->send;	4001	$sig->send;
2852	}	4002	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;	4004	$sig->send;
2855	}
2856
2857	_post_tick;
2858	},	4005	}
2859	);	4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
2860		4018
2861	{	4019	{
2862	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2863	$BDB_POLL_WATCHER = Event->io (	4021
2864	reentrant => 0,
2865	fd => BDB::poll_fileno,
2866	poll => 'r',
2867	prio => 0,
2868	data => WF_AUTOCANCEL,
2869	cb => \&BDB::poll_cb,
2870	);
2871	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2872		4023	BDB::max_poll_reqs $TICK * 0.1;
2873	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2874	my $status;
2875	my $current = $Coro::current;
2876	(
2877	sub {
2878	$status = $!;
2879	$current->ready; undef $current;
2880	},
2881	sub {
2882	Coro::schedule while defined $current;
2883	$! = $status;
2884	},
2885	)
2886	};
2887		4025
2888	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2889	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2890		4033
2891	cf::sync_job {	4034	cf::sync_job {
2892	eval {	4035	eval {
2893	BDB::db_env_open	4036	BDB::db_env_open
2894	$DB_ENV,	4037	$DB_ENV,
…		…
2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2898	0666;	4041	0666;
2899		4042
2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2901
2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2903	$DB_ENV->set_lk_detect;
2904	};	4044	};
2905		4045
2906	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2907	};	4047	};
2908	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2909	}	4059	}
2910		4060
2911	{	4061	{
		4062	# configure IO::AIO
		4063
2912	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2913
2914	undef $Coro::AIO::WATCHER;
2915	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2916	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2917	reentrant => 0,	4067	}
2918	data => WF_AUTOCANCEL,	4068
2919	fd => IO::AIO::poll_fileno,	4069	my $_log_backtrace;
2920	poll => 'r',	4070
2921	prio => 6,	4071	sub _log_backtrace {
2922	cb => \&IO::AIO::poll_cb,	4072	my ($msg, @addr) = @_;
2923	);	4073
		4074	$msg =~ s/\n//;
		4075
		4076	# limit the # of concurrent backtraces
		4077	if ($_log_backtrace < 2) {
		4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
		4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
		4083	my @bt = fork_call {
		4084	@addr = map { sprintf "%x", $_ } @addr;
		4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4087	or die "addr2line: $!";
		4088
		4089	my @funcs;
		4090	my @res = <$fh>;
		4091	chomp for @res;
		4092	while (@res) {
		4093	my ($func, $line) = splice @res, 0, 2, ();
		4094	push @funcs, "[$func] $line";
		4095	}
		4096
		4097	@funcs
		4098	};
		4099
		4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4102	LOG llevInfo, "[ABT] $_\n" for @bt;
		4103	--$_log_backtrace;
		4104	};
		4105	} else {
		4106	LOG llevInfo, "[ABT] $msg\n";
		4107	LOG llevInfo, "[ABT] [suppressed]\n";
		4108	}
2924	}	4109	}
2925		4110
2926	# load additional modules	4111	# load additional modules
2927	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2928		4114
2929	END { cf::emergency_save }	4115	END { cf::emergency_save }
2930		4116
2931	1	4117	1
2932		4118

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