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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 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
…		…
1867	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1868		2618
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2620
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1873		2623
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2625	}
1876		2626
1877	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1879		2631
1880	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1881		2633
1882	unless ($map) {	2634	unless ($map) {
1883	# restore original map position	2635	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1896		2648
1897	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1900		2652
1901	$map->load;	2653	$map->load;
1902	$map->load_diag;	2654	$map->load_neighbours;
1903		2655
1904	return unless $self->contr->active;	2656	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2657
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1909	}
1910		2660
1911	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2662	$self->activate_recursive
1913	my ($pl) = @_;	2663	unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
1914		2665
1915	# abort map switching before logout	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2667
1925	# try to abort aborted map switching on player login :)	2668	Moves the player to the given map-path and coordinates by first freezing
1926	# should happen only on crashes	2669	her, loading and preparing them map, calling the provided $check callback
1927	if ($pl->ob->{_link_pos}) {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1928	$pl->ob->enter_link;	2671	the new (success) or old (failed) map position. In either case, $done will
1929	(async {	2672	be called at the end of this process.
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2673
1943	=item $player_object->goto ($path, $x, $y)	2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
1944		2676
1945	=cut	2677	=cut
		2678
		2679	our $GOTOGEN;
1946		2680
1947	sub cf::object::player::goto {	2681	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
		2683
		2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2686
1950	$self->enter_link;	2687	$self->enter_link;
1951		2688
1952	(async {	2689	(async {
		2690	$Coro::current->{desc} = "player::goto $path $x $y";
		2691
		2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
1953	my $map = eval {	2711	my $map = eval {
1954	my $map = cf::map::find $path;	2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
		2716	$map = $check->($map) if $check && $map;
		2717	} else {
		2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
		2720
1956	$map	2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2727	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1961	})->prio (1);	2735	})->prio (1);
1962	}	2736	}
1963		2737
1964	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1965		2739
…		…
1985	}	2759	}
1986		2760
1987	sub prepare_random_map {	2761	sub prepare_random_map {
1988	my ($exit) = @_;	2762	my ($exit) = @_;
1989		2763
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2764	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2765	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2766	# that depends on the exit object
1995		2767
1996	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2770	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2771	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
2003	}	2777	}
2004		2778
2005	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
2006		2780
2007	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2783	my $meta = "$RANDOMDIR/$md5.meta";
2010		2784
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2787	undef $fh;
2014	aio_rename "$meta~", $meta;	2788	aio_rename "$meta~", $meta;
2015		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
2018	}	2796	}
2019	}	2797	}
2020		2798
2021	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
2023		2801
2024	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
2025		2803
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2804	$self->enter_link;
2038		2805
2039	(async {	2806	(async {
2040	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
2041	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
		2816	prepare_random_map $exit
		2817	if $exit->slaying eq "/!";
		2818	}
		2819
		2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
		2823
2042	$self->goto ($slaying, $hp, $sp);	2824	$self->goto ($map, $x, $y);
2043		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
2044	1;	2830	1
2045	}) {	2831	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	2834	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
2050		2836
2051	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
…		…
2070		2856
2071	utf8::encode $text;	2857	utf8::encode $text;
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073	}	2859	}
2074		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
2075	=item $client->ext_event ($type, %msg)	3048	=item $client->ext_msg ($type, @msg)
2076		3049
2077	Sends an exti event to the client.	3050	Sends an ext event to the client.
2078		3051
2079	=cut	3052	=cut
2080		3053
2081	sub cf::client::ext_event($$%) {	3054	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3055	my ($self, $type, @msg) = @_;
2083		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3060	push @msg, msgtype => "event_$type";
2085	$self->send_packet ("ext " . cf::to_json \%msg);	3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
2086	}	3081	}
2087		3082
2088	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
2089		3084
2090	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3088
2094	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3090	become reliable at some point in the future.
2096		3091
2097	=cut	3092	=cut
2098		3093
2099	sub cf::client::query {	3094	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3103	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3105
2111	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
2113	}	3110	}
2114		3111
2115	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
2116	on_reply => sub {	3118	on_reply => sub {
2117	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
2118		3120
2119	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
2120	# get handled first	3122	# get handled first
…		…
2132	} else {	3134	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3136	}
2135	}	3137	}
2136	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
2137	);	3165	);
2138		3166
2139	=item $client->async (\&cb)	3167	=item $client->async (\&cb)
2140		3168
2141	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3185
2158	$coro	3186	$coro
2159	}	3187	}
2160		3188
2161	cf::client->attach (	3189	cf::client->attach (
2162	on_destroy => sub {	3190	on_client_destroy => sub {
2163	my ($ns) = @_;	3191	my ($ns) = @_;
2164		3192
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3194	},
2167	);	3195	);
…		…
2182	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
2184		3212
2185	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
2186		3214
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
2188		3220
2189	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
2190		3222
2191	=pod	3223	=pod
2192		3224
2193	The following functions and methods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
2194		3226
2195	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
2196	cf::object::player player	3232	cf::object::player
2197	cf::player peaceful	3233	player
2198	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
2199		3240
2200	=cut	3241	=cut
2201		3242
2202	for (	3243	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
2207	) {	3250	) {
2208	no strict 'refs';	3251	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2228		3271
2229	my $qcode = $code;	3272	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
2232		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
2233	local $_;	3279	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3280
2236	my $eval =	3281	my $eval =
2237	"do {\n"	3282	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3285	. $code
2241	. "\n}"	3286	. "\n}"
2242	;	3287	;
2243		3288
		3289	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
2247		3298
2248	if ($@) {	3299	if ($@) {
2249	warn "$@";	3300	warn "$@";
2250	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
2251	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2270	=cut	3321	=cut
2271		3322
2272	sub register_script_function {	3323	sub register_script_function {
2273	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
2274		3325
2275	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
2277	}	3328	}
2278		3329
2279	=back	3330	=back
2280		3331
2281	=cut	3332	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	reset_signals;
2441	local $SIG{__WARN__};
2442	local $SIG{__DIE__};
2443	eval {
2444	close $fh1;
2445
2446	my @res = eval { $cb->(@args) };
2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2448	};
2449
2450	warn $@ if $@;
2451	_exit 0;
2452	}
2453	}
2454
2455
2456		3333
2457	#############################################################################	3334	#############################################################################
2458	# the server's init and main functions	3335	# the server's init and main functions
2459		3336
2460	sub load_facedata($) {	3337	sub load_facedata($) {
2461	my ($path) = @_;	3338	my ($path) = @_;
		3339
		3340	# HACK to clear player env face cache, we need some signal framework
		3341	# for this (global event?)
		3342	%ext::player_env::MUSIC_FACE_CACHE = ();
		3343
		3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2462		3345
2463	warn "loading facedata from $path\n";	3346	warn "loading facedata from $path\n";
2464		3347
2465	my $facedata;	3348	my $facedata;
2466	0 < aio_load $path, $facedata	3349	0 < aio_load $path, $facedata
…		…
2469	$facedata = Coro::Storable::thaw $facedata;	3352	$facedata = Coro::Storable::thaw $facedata;
2470		3353
2471	$facedata->{version} == 2	3354	$facedata->{version} == 2
2472	or cf::cleanup "$path: version mismatch, cannot proceed.";	3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
2473		3356
		3357	# patch in the exptable
		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3359	$facedata->{resource}{"res/exp_table"} = {
		3360	type => FT_RSRC,
		3361	data => $exp_table,
		3362	hash => (Digest::MD5::md5 $exp_table),
		3363	};
		3364	cf::cede_to_tick;
		3365
2474	{	3366	{
2475	my $faces = $facedata->{faceinfo};	3367	my $faces = $facedata->{faceinfo};
2476		3368
2477	while (my ($face, $info) = each %$faces) {	3369	while (my ($face, $info) = each %$faces) {
2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3371
2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3372	cf::face::set_visibility $idx, $info->{visibility};
		3373	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2482	Coro::cede;	3376
		3377	cf::cede_to_tick;
2483	}	3378	}
2484		3379
2485	while (my ($face, $info) = each %$faces) {	3380	while (my ($face, $info) = each %$faces) {
2486	next unless $info->{smooth};	3381	next unless $info->{smooth};
		3382
2487	my $idx = cf::face::find $face	3383	my $idx = cf::face::find $face
2488	or next;	3384	or next;
		3385
2489	if (my $smooth = cf::face::find $info->{smooth}) {	3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2491	} else {	3389	} else {
2492	warn "smooth face '$info->{smooth}' not found for face '$face'";	3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
2493	}	3391	}
2494	Coro::cede;	3392
		3393	cf::cede_to_tick;
2495	}	3394	}
2496	}	3395	}
2497		3396
2498	{	3397	{
2499	my $anims = $facedata->{animinfo};	3398	my $anims = $facedata->{animinfo};
2500		3399
2501	while (my ($anim, $info) = each %$anims) {	3400	while (my ($anim, $info) = each %$anims) {
2502	cf::anim::set $anim, $info->{frames}, $info->{facings};	3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
2503	Coro::cede;	3402	cf::cede_to_tick;
2504	}	3403	}
2505		3404
2506	cf::anim::invalidate_all; # d'oh	3405	cf::anim::invalidate_all; # d'oh
2507	}	3406	}
2508		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
2509	1	3427	1
2510	}	3428	}
2511		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
2512	sub reload_regions {	3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
2513	load_resource_file "$MAPDIR/regions"	3473	load_resource_file "$MAPDIR/regions"
2514	or die "unable to load regions file\n";	3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
2515	}	3480	}
2516		3481
2517	sub reload_facedata {	3482	sub reload_facedata {
2518	load_facedata "$DATADIR/facedata"	3483	load_facedata "$DATADIR/facedata"
2519	or die "unable to load facedata\n";	3484	or die "unable to load facedata\n";
…		…
2530	}	3495	}
2531		3496
2532	sub reload_resources {	3497	sub reload_resources {
2533	warn "reloading resource files...\n";	3498	warn "reloading resource files...\n";
2534		3499
2535	reload_regions;
2536	reload_facedata;	3500	reload_facedata;
2537	reload_archetypes;	3501	reload_archetypes;
		3502	reload_regions;
2538	reload_treasures;	3503	reload_treasures;
2539		3504
2540	warn "finished reloading resource files\n";	3505	warn "finished reloading resource files\n";
2541	}	3506	}
2542		3507
2543	sub init {	3508	sub reload_config {
2544	reload_resources;	3509	warn "reloading config file...\n";
2545	}
2546		3510
2547	sub cfg_load {
2548	open my $fh, "<:utf8", "$CONFDIR/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
2549	or return;	3512	or return;
2550		3513
2551	local $/;	3514	local $/;
2552	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
2553		3516
2554	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2555		3518
2556	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2557	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2561	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2562	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
2563	};	3526	};
2564	warn $@ if $@;	3527	warn $@ if $@;
2565	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2566	}	3559	}
2567		3560
2568	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2569	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2570	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2572	(async {	3574	(async {
2573	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3576	EV::loop EV::LOOP_ONESHOT;
2574	})->prio (Coro::PRIO_MAX);	3577	})->prio (Coro::PRIO_MAX);
2575	};	3578	};
2576		3579
2577	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
		3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
2578	db_init;	3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2579	load_extensions;	3603	load_extensions;
2580		3604
2581	$TICK_WATCHER->start;	3605	utime time, time, $RUNTIMEFILE;
2582	Event::loop;	3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2583	}	3618	}
2584		3619
2585	#############################################################################	3620	#############################################################################
2586	# initialisation and cleanup	3621	# initialisation and cleanup
2587		3622
2588	# install some emergency cleanup handlers	3623	# install some emergency cleanup handlers
2589	BEGIN {	3624	BEGIN {
		3625	our %SIGWATCHER = ();
2590	for my $signal (qw(INT HUP TERM)) {	3626	for my $signal (qw(INT HUP TERM)) {
2591	Event->signal (	3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2592	reentrant => 0,
2593	data => WF_AUTOCANCEL,
2594	signal => $signal,
2595	prio => 0,
2596	cb => sub {
2597	cf::cleanup "SIG$signal";	3628	cf::cleanup "SIG$signal";
2598	},
2599	);	3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
2600	}	3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
2601	}	3719	}
2602		3720
2603	sub emergency_save() {	3721	sub emergency_save() {
2604	my $freeze_guard = cf::freeze_mainloop;	3722	my $freeze_guard = cf::freeze_mainloop;
2605		3723
2606	warn "enter emergency perl save\n";	3724	warn "emergency_perl_save: enter\n";
2607		3725
2608	cf::sync_job {	3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
2609	# use a peculiar iteration method to avoid tripping on perl	3732	# use a peculiar iteration method to avoid tripping on perl
2610	# refcount bugs in for. also avoids problems with players	3733	# refcount bugs in for. also avoids problems with players
2611	# and maps saved/destroyed asynchronously.	3734	# and maps saved/destroyed asynchronously.
2612	warn "begin emergency player save\n";	3735	warn "emergency_perl_save: begin player save\n";
2613	for my $login (keys %cf::PLAYER) {	3736	for my $login (keys %cf::PLAYER) {
2614	my $pl = $cf::PLAYER{$login} or next;	3737	my $pl = $cf::PLAYER{$login} or next;
2615	$pl->valid or next;	3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2616	$pl->save;	3740	$pl->save;
2617	}	3741	}
2618	warn "end emergency player save\n";	3742	warn "emergency_perl_save: end player save\n";
2619		3743
2620	warn "begin emergency map save\n";	3744	warn "emergency_perl_save: begin map save\n";
2621	for my $path (keys %cf::MAP) {	3745	for my $path (keys %cf::MAP) {
2622	my $map = $cf::MAP{$path} or next;	3746	my $map = $cf::MAP{$path} or next;
2623	$map->valid or next;	3747	$map->valid or next;
2624	$map->save;	3748	$map->save;
2625	}	3749	}
2626	warn "end emergency map save\n";	3750	warn "emergency_perl_save: end map save\n";
2627		3751
2628	warn "begin emergency database checkpoint\n";	3752	warn "emergency_perl_save: begin database checkpoint\n";
2629	BDB::db_env_txn_checkpoint $DB_ENV;	3753	BDB::db_env_txn_checkpoint $DB_ENV;
2630	warn "end emergency database checkpoint\n";	3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
2631	};	3759	};
2632		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
2633	warn "leave emergency perl save\n";	3766	warn "emergency_perl_save: leave\n";
2634	}	3767	}
2635		3768
2636	sub post_cleanup {	3769	sub post_cleanup {
2637	my ($make_core) = @_;	3770	my ($make_core) = @_;
2638		3771
2639	warn Carp::longmess "post_cleanup backtrace"	3772	warn Carp::longmess "post_cleanup backtrace"
2640	if $make_core;	3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
2641	}	3802	}
2642		3803
2643	sub do_reload_perl() {	3804	sub do_reload_perl() {
2644	# can/must only be called in main	3805	# can/must only be called in main
2645	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2646	warn "can only reload from main coroutine";	3807	warn "can only reload from main coroutine";
2647	return;	3808	return;
2648	}	3809	}
2649		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2650	warn "reloading...";	3816	warn "reloading...";
2651		3817
2652	warn "entering sync_job";	3818	warn "entering sync_job";
2653		3819
2654	cf::sync_job {	3820	cf::sync_job {
2655	cf::write_runtime; # external watchdog should not bark	3821	cf::write_runtime_sync; # external watchdog should not bark
2656	cf::emergency_save;	3822	cf::emergency_save;
2657	cf::write_runtime; # external watchdog should not bark	3823	cf::write_runtime_sync; # external watchdog should not bark
2658		3824
2659	warn "syncing database to disk";	3825	warn "syncing database to disk";
2660	BDB::db_env_txn_checkpoint $DB_ENV;	3826	BDB::db_env_txn_checkpoint $DB_ENV;
2661		3827
2662	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2663		3829
2664	warn "cancelling all WF_AUTOCANCEL watchers";
2665	for (Event::all_watchers) {
2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2667	}
2668
2669	warn "flushing outstanding aio requests";	3830	warn "flushing outstanding aio requests";
2670	for (;;) {
2671	BDB::flush;
2672	IO::AIO::flush;
2673	Coro::cede;
2674	last unless IO::AIO::nreqs || BDB::nreqs;	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2675	warn "iterate...";	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2676	}
2677
2678	++$RELOAD;
2679
2680	warn "cancelling all extension coros";
2681	$_->cancel for values %EXT_CORO;
2682	%EXT_CORO = ();
2683
2684	warn "removing commands";
2685	%COMMAND = ();
2686
2687	warn "removing ext commands";
2688	%EXTCMD = ();
2689
2690	warn "unloading/nuking all extensions";
2691	for my $pkg (@EXTS) {
2692	warn "... unloading $pkg";
2693
2694	if (my $cb = $pkg->can ("unload")) {
2695	eval {
2696	$cb->($pkg);
2697	1
2698	} or warn "$pkg unloaded, but with errors: $@";
2699	}	3833	}
2700		3834
2701	warn "... nuking $pkg";	3835	warn "cancelling all extension coros";
2702	Symbol::delete_package $pkg;	3836	$_->cancel for values %EXT_CORO;
2703	}	3837	%EXT_CORO = ();
2704		3838
2705	warn "unloading all perl modules loaded from $LIBDIR";	3839	warn "removing commands";
2706	while (my ($k, $v) = each %INC) {	3840	%COMMAND = ();
2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2708		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
2709	warn "... unloading $k";	3848	warn "... unloading $pkg";
2710	delete $INC{$k};
2711		3849
2712	$k =~ s/\.pm$//;
2713	$k =~ s/\//::/g;
2714
2715	if (my $cb = $k->can ("unload_module")) {	3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
2716	$cb->();	3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2717	}	3859	}
2718		3860
2719	Symbol::delete_package $k;	3861	warn "unloading all perl modules loaded from $LIBDIR";
		3862	while (my ($k, $v) = each %INC) {
		3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
2720	}	3876	}
2721		3877
2722	warn "getting rid of safe::, as good as possible";	3878	warn "getting rid of safe::, as good as possible";
2723	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2725		3881
2726	warn "unloading cf.pm \"a bit\"";	3882	warn "unloading cf.pm \"a bit\"";
2727	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
2728	delete $INC{"cf/pod.pm"};	3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2729		3885
2730	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2731	# and global variables created in xs	3887	# and global variables created in xs
2732	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2733		3889
2734	warn "unload completed, starting to reload now";	3890	warn "unload completed, starting to reload now";
2735		3891
2736	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2737	require cf;	3893	require cf;
2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2739		3895
2740	warn "loading config and database again";	3896	warn "loading config and database again";
2741	cf::cfg_load;	3897	cf::reload_config;
2742		3898
2743	warn "loading extensions";	3899	warn "loading extensions";
2744	cf::load_extensions;	3900	cf::load_extensions;
2745		3901
		3902	if ($REATTACH_ON_RELOAD) {
2746	warn "reattaching attachments to objects/players";	3903	warn "reattaching attachments to objects/players";
2747	_global_reattach; # objects, sockets	3904	_global_reattach; # objects, sockets
2748	warn "reattaching attachments to maps";	3905	warn "reattaching attachments to maps";
2749	reattach $_ for values %MAP;	3906	reattach $_ for values %MAP;
2750	warn "reattaching attachments to players";	3907	warn "reattaching attachments to players";
2751	reattach $_ for values %PLAYER;	3908	reattach $_ for values %PLAYER;
		3909	}
2752		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
2753	warn "leaving sync_job";	3914	warn "leaving sync_job";
2754		3915
2755	1	3916	1
2756	} or do {	3917	} or do {
2757	warn $@;	3918	warn $@;
2758	warn "error while reloading, exiting.";	3919	cf::cleanup "error while reloading, exiting.";
2759	exit 1;
2760	};	3920	};
2761		3921
2762	warn "reloaded";	3922	warn "reloaded";
		3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
2763	};	3928	};
2764		3929
2765	our $RELOAD_WATCHER; # used only during reload	3930	our $RELOAD_WATCHER; # used only during reload
2766		3931
2767	sub reload_perl() {	3932	sub reload_perl() {
2768	# doing reload synchronously and two reloads happen back-to-back,	3933	# doing reload synchronously and two reloads happen back-to-back,
2769	# coro crashes during coro_state_free->destroy here.	3934	# coro crashes during coro_state_free->destroy here.
2770		3935
2771	$RELOAD_WATCHER ||= Event->timer (	3936	$RELOAD_WATCHER ||= cf::async {
2772	reentrant => 0,	3937	Coro::AIO::aio_wait cache_extensions;
2773	after => 0,	3938
2774	data => WF_AUTOCANCEL,	3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2775	cb => sub {
2776	do_reload_perl;	3940	do_reload_perl;
2777	undef $RELOAD_WATCHER;	3941	undef $RELOAD_WATCHER;
2778	},	3942	};
2779	);	3943	};
2780	}	3944	}
2781		3945
2782	register_command "reload" => sub {	3946	register_command "reload" => sub {
2783	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2784		3948
2785	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2786	$who->message ("reloading server.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
2787	async { reload_perl };	3953	reload_perl;
		3954	};
2788	}	3955	}
2789	};	3956	};
2790		3957
2791	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2792		3959
…		…
2794		3961
2795	our @WAIT_FOR_TICK;	3962	our @WAIT_FOR_TICK;
2796	our @WAIT_FOR_TICK_BEGIN;	3963	our @WAIT_FOR_TICK_BEGIN;
2797		3964
2798	sub wait_for_tick {	3965	sub wait_for_tick {
2799	return unless $TICK_WATCHER->is_active;
2800	return if $Coro::current == $Coro::main;	3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2801		3967
2802	my $signal = new Coro::Signal;	3968	my $signal = new Coro::Signal;
2803	push @WAIT_FOR_TICK, $signal;	3969	push @WAIT_FOR_TICK, $signal;
2804	$signal->wait;	3970	$signal->wait;
2805	}	3971	}
2806		3972
2807	sub wait_for_tick_begin {	3973	sub wait_for_tick_begin {
2808	return unless $TICK_WATCHER->is_active;
2809	return if $Coro::current == $Coro::main;	3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2810		3975
2811	my $signal = new Coro::Signal;	3976	my $signal = new Coro::Signal;
2812	push @WAIT_FOR_TICK_BEGIN, $signal;	3977	push @WAIT_FOR_TICK_BEGIN, $signal;
2813	$signal->wait;	3978	$signal->wait;
2814	}	3979	}
2815		3980
2816	$TICK_WATCHER = Event->timer (	3981	sub tick {
2817	reentrant => 0,
2818	parked => 1,
2819	prio => 0,
2820	at => $NEXT_TICK || $TICK,
2821	data => WF_AUTOCANCEL,
2822	cb => sub {
2823	if ($Coro::current != $Coro::main) {	3982	if ($Coro::current != $Coro::main) {
2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2825	unless ++$bug_warning > 10;	3984	unless ++$bug_warning > 10;
2826	return;	3985	return;
2827	}	3986	}
2828		3987
2829	$NOW = Event::time;
2830
2831	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2832		3989
2833	$RUNTIME += $TICK;	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2834	$NEXT_TICK += $TICK;
2835		3991
2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2837	$NEXT_RUNTIME_WRITE = $NOW + 10;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2838	Coro::async_pool {	3994	Coro::async_pool {
		3995	$Coro::current->{desc} = "runtime saver";
2839	write_runtime	3996	write_runtime_sync
2840	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2841	};
2842	}	3998	};
		3999	}
2843		4000
2844	# my $AFTER = Event::time;
2845	# warn $AFTER - $NOW;#d#
2846
2847	# if we are delayed by four ticks or more, skip them all
2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2849
2850	$TICK_WATCHER->at ($NEXT_TICK);
2851	$TICK_WATCHER->start;
2852
2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2854	$sig->send;	4002	$sig->send;
2855	}	4003	}
2856	while (my $sig = shift @WAIT_FOR_TICK) {	4004	while (my $sig = shift @WAIT_FOR_TICK) {
2857	$sig->send;	4005	$sig->send;
2858	}
2859
2860	_post_tick;
2861	},	4006	}
2862	);	4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
2863		4019
2864	{	4020	{
2865	BDB::max_poll_time $TICK * 0.1;	4021	# configure BDB
2866	$BDB_POLL_WATCHER = Event->io (	4022
2867	reentrant => 0,
2868	fd => BDB::poll_fileno,
2869	poll => 'r',
2870	prio => 0,
2871	data => WF_AUTOCANCEL,
2872	cb => \&BDB::poll_cb,
2873	);
2874	BDB::min_parallel 8;	4023	BDB::min_parallel 16;
2875		4024	BDB::max_poll_reqs $TICK * 0.1;
2876	BDB::set_sync_prepare {	4025	$AnyEvent::BDB::WATCHER->priority (1);
2877	my $status;
2878	my $current = $Coro::current;
2879	(
2880	sub {
2881	$status = $!;
2882	$current->ready; undef $current;
2883	},
2884	sub {
2885	Coro::schedule while defined $current;
2886	$! = $status;
2887	},
2888	)
2889	};
2890		4026
2891	unless ($DB_ENV) {	4027	unless ($DB_ENV) {
2892	$DB_ENV = BDB::db_env_create;	4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2893		4034
2894	cf::sync_job {	4035	cf::sync_job {
2895	eval {	4036	eval {
2896	BDB::db_env_open	4037	BDB::db_env_open
2897	$DB_ENV,	4038	$DB_ENV,
…		…
2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2901	0666;	4042	0666;
2902		4043
2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2904
2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2906	$DB_ENV->set_lk_detect;
2907	};	4045	};
2908		4046
2909	cf::cleanup "db_env_open(db): $@" if $@;	4047	cf::cleanup "db_env_open(db): $@" if $@;
2910	};	4048	};
2911	}	4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
2912	}	4060	}
2913		4061
2914	{	4062	{
		4063	# configure IO::AIO
		4064
2915	IO::AIO::min_parallel 8;	4065	IO::AIO::min_parallel 8;
2916
2917	undef $Coro::AIO::WATCHER;
2918	IO::AIO::max_poll_time $TICK * 0.1;	4066	IO::AIO::max_poll_time $TICK * 0.1;
2919	$AIO_POLL_WATCHER = Event->io (	4067	undef $AnyEvent::AIO::WATCHER;
2920	reentrant => 0,
2921	data => WF_AUTOCANCEL,
2922	fd => IO::AIO::poll_fileno,
2923	poll => 'r',
2924	prio => 6,
2925	cb => \&IO::AIO::poll_cb,
2926	);
2927	}	4068	}
2928		4069
2929	my $_log_backtrace;	4070	my $_log_backtrace;
2930		4071
2931	sub _log_backtrace {	4072	sub _log_backtrace {
…		…
2934	$msg =~ s/\n//;	4075	$msg =~ s/\n//;
2935		4076
2936	# limit the # of concurrent backtraces	4077	# limit the # of concurrent backtraces
2937	if ($_log_backtrace < 2) {	4078	if ($_log_backtrace < 2) {
2938	++$_log_backtrace;	4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
2939	async {	4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
2940	my @bt = fork_call {	4084	my @bt = fork_call {
2941	@addr = map { sprintf "%x", $_ } @addr;	4085	@addr = map { sprintf "%x", $_ } @addr;
2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2944	or die "addr2line: $!";	4088	or die "addr2line: $!";
…		…
2952	}	4096	}
2953		4097
2954	@funcs	4098	@funcs
2955	};	4099	};
2956		4100
2957	LOG llevInfo, "[ABT] $msg\n";	4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2958	LOG llevInfo, "[ABT] $_\n" for @bt;	4103	LOG llevInfo, "[ABT] $_\n" for @bt;
2959	--$_log_backtrace;	4104	--$_log_backtrace;
2960	};	4105	};
2961	} else {	4106	} else {
2962	LOG llevInfo, "[ABT] $msg\n";	4107	LOG llevInfo, "[ABT] $msg\n";
2963	LOG llevInfo, "[ABT] [suppressed]\n";	4108	LOG llevInfo, "[ABT] [suppressed]\n";
2964	}	4109	}
2965	}	4110	}
2966		4111
2967	# load additional modules	4112	# load additional modules
2968	use cf::pod;	4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2969		4115
2970	END { cf::emergency_save }	4116	END { cf::emergency_save }
2971		4117
2972	1	4118	1
2973		4119

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