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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.523 by root, Sat Apr 17 02:39:46 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	warn "starting to write runtime...\n";#d#	581	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		582
380	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		585
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
385	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
386		589
387	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	591	reset_signals;
389	and return;	592	&$cb
		593	}, @args;
390		594
391	close $fh	595	wantarray ? @res : $res[-1]
392	or return;	596	}
393		597
394	aio_rename "$runtime~", $runtime	598	sub objinfo {
395	and return;
396
397	warn "... done writing runtime.\n";#d#
398
399	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"
400	}	761	}
401		762
402	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
403		764
404	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.
…		…
416		777
417	#############################################################################	778	#############################################################################
418		779
419	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
420		781
421	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
422	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")
423	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
424		785
425	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>
426	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
427	crossfire+).	788	Deliantra).
428		789
429	=over 4	790	=over 4
430		791
431	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
432		793
…		…
476	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
477		838
478	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
480		841
481	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		844
484	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
485		846
486	=over 4	847	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
596		957
597	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		962
602	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	964	my $pkg = shift @arg;
604		965
605	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
635	}	996	}
636		997
637	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
638	} else {	999	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	1001	}
641		1002
642	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
643	}	1004	}
644		1005
…		…
646	if (ref $_[0]) {	1007	if (ref $_[0]) {
647	_object_attach @_;	1008	_object_attach @_;
648	} else {	1009	} else {
649	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
650	}	1011	}
		1012	_recalc_want;
651	};	1013	};
652		1014
653	# all those should be optimised	1015	# all those should be optimised
654	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1021	reattach ($obj);
660	} else {	1022	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
662	}	1024	}
		1025	_recalc_want;
663	};	1026	};
664		1027
665	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
667		1030
…		…
682	";	1045	";
683	die if $@;	1046	die if $@;
684	}	1047	}
685		1048
686	our $override;	1049	our $override;
687	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?
688		1051
689	sub override {	1052	sub override {
690	$override = 1;	1053	$override = 1;
691	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
692	}	1055	}
693		1056
694	sub do_invoke {	1057	sub do_invoke {
695	my $event = shift;	1058	my $event = shift;
696	my $callbacks = shift;	1059	my $callbacks = shift;
697		1060
698	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
699		1062
700	local $override;	1063	local $override;
701		1064
702	for (@$callbacks) {	1065	for (@$callbacks) {
703	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
712	}	1075	}
713		1076
714	0	1077	0
715	}	1078	}
716		1079
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1081
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1083
721	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
722		1085
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1089
727	=back	1090	=back
728		1091
729	=cut	1092	=cut
730		1093
731	#############################################################################	1094	#############################################################################
732	# 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, $ob2
		1137	}
733		1138
734	sub reattach {	1139	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1141	my ($obj) = @_;
737		1142
		1143	# no longer needed after getting rid of delete_package?
738	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
739		1145
740	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
741		1147
742	@$registry = ();	1148	@$registry = ();
743		1149
…		…
758	cf::attachable->attach (	1164	cf::attachable->attach (
759	prio => -1000000,	1165	prio => -1000000,
760	on_instantiate => sub {	1166	on_instantiate => sub {
761	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
762		1168
763	$data = from_json $data;	1169	$data = decode_json $data;
764		1170
765	for (@$data) {	1171	for (@$data) {
766	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
767		1173
768	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1190	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
786		1192
787	sync_job {	1193	sync_job {
788	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
791		1198
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	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	}
796	close $fh;	1206	aio_close $fh;
797		1207
798	if (@$objs) {	1208	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
803	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	}
804	close $fh;	1217	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
806	}	1219	}
807	} else {	1220	} else {
808	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
809	}	1222	}
810		1223
811	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1228	} else {
813	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
814	}	1230	}
815	} else {	1231	} else {
816	aio_unlink $filename;	1232	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
818	}	1234	}
819	}	1235	};
820	}	1236	}
821		1237
822	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
824		1240
…		…
836	or return;	1252	or return;
837		1253
838	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
840	or return;	1256	or return;
		1257
841	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
842	}	1260	}
843		1261
		1262	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
846	return ($data, $av);	1266	($data, $av)
847	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
848		1274
849	#############################################################################	1275	#############################################################################
850	# command handling &c	1276	# command handling &c
851		1277
852	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1292	}
867		1293
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1295
870	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.
871		1301
872	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
873	called.	1303	called.
874		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
875	=cut	1316	=cut
876		1317
877	sub register_extcmd {	1318	sub register_extcmd {
878	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
879		1320
880	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
881	}	1322	}
882		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
883	cf::player->attach (	1332	cf::player->attach (
884	on_command => sub {	1333	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
886		1335
887	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
888	or return;	1337	or return;
889		1338
…		…
894	cf::override;	1343	cf::override;
895	},	1344	},
896	on_extcmd => sub {	1345	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
898		1347
899	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1349
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
907	} else {	1365	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1367	}
910		1368
911	cf::override;	1369	cf::override;
912	},	1370	},
913	);	1371	);
914		1372
		1373	# "readahead" all extensions
915	sub load_extension {	1374	sub cache_extensions {
916	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
917		1376
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1380	}
943	die $@;
944	}	1381	};
945		1382
946	push @EXTS, $pkg;	1383	$grp
947	}	1384	}
948		1385
949	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
950	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1391	next unless -r $path;
952	eval {	1392
953	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 $active;
		1455	}
954	1	1456	}
955	} or warn "$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	}
956	}	1467	};
957	}	1468	}
958		1469
959	#############################################################################	1470	#############################################################################
960		1471
		1472	=back
		1473
961	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
962		1475
963	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
964		1477
965	=cut	1478	=cut
966		1479
967	package cf::player;	1480	package cf::player;
968		1481
969	use Coro::AIO;	1482	use Coro::AIO;
970		1483
971	=head3 cf::player	1484	=head3 cf::player
972		1485
973	=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	}
974		1501
975	=item cf::player::find $login	1502	=item cf::player::find $login
976		1503
977	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
978		1505
…		…
997		1524
998	sub exists($) {	1525	sub exists($) {
999	my ($login) = @_;	1526	my ($login) = @_;
1000		1527
1001	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1003	}	1530	}
1004		1531
1005	sub find($) {	1532	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1534	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1545
1019	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1022	}	1555	}
1023	}	1556	}
1024	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($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	);
1025		1571
1026	sub save($) {	1572	sub save($) {
1027	my ($pl) = @_;	1573	my ($pl) = @_;
1028		1574
1029	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1035		1581
1036	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1038		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
1039	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1040	Coro::cede;	1591	cf::cede_to_tick;
1041	}	1592	}
1042		1593
1043	sub new($) {	1594	sub new($) {
1044	my ($login) = @_;	1595	my ($login) = @_;
1045		1596
…		…
1051	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1052		1603
1053	$self	1604	$self
1054	}	1605	}
1055		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
1056	=item $pl->quit_character	1617	=item $pl->quit_character
1057		1618
1058	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1060		1621
…		…
1064	my ($pl) = @_;	1625	my ($pl) = @_;
1065		1626
1066	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1067		1628
1068	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1069	$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
1070		1631
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1074	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1075		1638
1076	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1113	or return [];	1676	or return [];
1114		1677
1115	my @logins;	1678	my @logins;
1116		1679
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1121		1690
1122	utf8::decode $login;	1691	utf8::decode $login;
1123	push @logins, $login;	1692	push @logins, $login;
1124	}	1693	}
1125		1694
1126	\@logins	1695	\@logins
1127	}	1696	}
1128		1697
1129	=item $player->maps	1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
1130		1701
1131	Returns an arrayref of map paths that are private for this	1702	Returns an arrayref of map paths that are private for this
1132	player. May block.	1703	player. May block.
1133		1704
1134	=cut	1705	=cut
…		…
1152	}	1723	}
1153		1724
1154	\@paths	1725	\@paths
1155	}	1726	}
1156		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
1157	=item $player->ext_reply ($msgid, %msg)	1732	=item $player->ext_reply ($msgid, @msg)
1158		1733
1159	Sends an ext reply to the player.	1734	Sends an ext reply to the player.
1160		1735
1161	=cut	1736	=cut
1162		1737
1163	sub ext_reply($$%) {	1738	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1739	my ($self, $id, @msg) = @_;
1165		1740
1166	$msg{msgid} = $id;	1741	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1742	}
1170		1743
1171	=item $player->ext_event ($type, %msg)	1744	=item $player->ext_msg ($type, @msg)
1172		1745
1173	Sends an ext event to the client.	1746	Sends an ext event to the client.
1174		1747
1175	=cut	1748	=cut
1176		1749
1177	sub ext_event($$%) {	1750	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1751	my ($self, $type, @msg) = @_;
1179		1752
1180	$self->ns->ext_event ($type, %msg);	1753	$self->ns->ext_msg ($type, @msg);
1181	}	1754	}
1182		1755
1183	=head3 cf::region	1756	=head3 cf::region
1184		1757
1185	=over 4	1758	=over 4
…		…
1188		1761
1189	package cf::region;	1762	package cf::region;
1190		1763
1191	=item cf::region::find_by_path $path	1764	=item cf::region::find_by_path $path
1192		1765
1193	Tries to decuce the probable region for a map knowing only its path.	1766	Tries to decuce the likely region for a map knowing only its path.
1194		1767
1195	=cut	1768	=cut
1196		1769
1197	sub find_by_path($) {	1770	sub find_by_path($) {
1198	my ($path) = @_;	1771	my ($path) = @_;
1199		1772
		1773	$path =~ s/^~[^\/]*//; # skip ~login
		1774
1200	my ($match, $specificity);	1775	my ($match, $specificity);
1201		1776
1202	for my $region (list) {	1777	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1778	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1779	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1780	if $region->specificity > $specificity;
1206	}	1781	}
1207	}	1782	}
1208		1783
…		…
1229	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1231		1806
1232	sub generate_random_map {	1807	sub generate_random_map {
1233	my ($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
1234	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1235	$self->_create_random_map (	1813	$self->_create_random_map (
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1272	my ($self, $merge) = @_;	1850	my ($self, $merge) = @_;
1273		1851
1274	# we have to keep some variables in memory intact	1852	# we have to keep some variables in memory intact
1275	local $self->{path};	1853	local $self->{path};
1276	local $self->{load_path};	1854	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1855
1280	$self->SUPER::thawer_merge ($merge);	1856	$self->SUPER::thawer_merge ($merge);
1281	}	1857	}
1282		1858
1283	sub normalise {	1859	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1906	$self->init; # pass $1 etc.
1331	return $self;	1907	return $self;
1332	}	1908	}
1333	}	1909	}
1334		1910
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1912	()
1337	}	1913	}
1338		1914
1339	sub init {	1915	sub init {
1340	my ($self) = @_;	1916	my ($self) = @_;
…		…
1362		1938
1363	# the temporary/swap location	1939	# the temporary/swap location
1364	sub save_path {	1940	sub save_path {
1365	my ($self) = @_;	1941	my ($self) = @_;
1366		1942
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	1944	"$TMPDIR/$path.map"
1369	}	1945	}
1370		1946
1371	# the unique path, undef == no special unique path	1947	# the unique path, undef == no special unique path
1372	sub uniq_path {	1948	sub uniq_path {
1373	my ($self) = @_;	1949	my ($self) = @_;
1374		1950
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	1952	"$UNIQUEDIR/$path"
1377	}	1953	}
1378		1954
1379	# and all this just because we cannot iterate over	1955	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	1956	my ($self) = @_;
1383		1957
1384	$_->change_map_light ($change)	1958	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	1959
		1960	$self->do_decay_objects;
1386	}	1961	}
1387		1962
1388	sub unlink_save {	1963	sub unlink_save {
1389	my ($self) = @_;	1964	my ($self) = @_;
1390		1965
…		…
1395		1970
1396	sub load_header_from($) {	1971	sub load_header_from($) {
1397	my ($self, $path) = @_;	1972	my ($self, $path) = @_;
1398		1973
1399	utf8::encode $path;	1974	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	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;
1405		1983
1406	$self->{load_path} = $path;	1984	$self->{load_path} = $path;
1407		1985
1408	1	1986	1
1409	}	1987	}
…		…
1448	$self->load_header_orig	2026	$self->load_header_orig
1449	or return;	2027	or return;
1450	$self->prepare_orig;	2028	$self->prepare_orig;
1451	}	2029	}
1452		2030
		2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
		2033
1453	$self->default_region (cf::region::find_by_path $self->{path})	2034	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2035	unless $self->default_region;
1455		2036
1456	1	2037	1
1457	}	2038	}
…		…
1460	sub find {	2041	sub find {
1461	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1462		2043
1463	$path = normalise $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1464		2045
		2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2048
1467	$cf::MAP{$path} || do {	2049	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2050	my $map = new_from_path cf::map $path
1470	or return;	2051	or return;
1471		2052
1472	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1473		2054
1474	$map->load_header	2055	$map->load_header
1475	or return;	2056	or return;
1476		2057
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2059	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1480	$map->reset;	2063	$map->reset;
1481	undef $guard;
1482	return find $path;	2064	return find $path;
1483	}	2065	}
1484		2066
1485	$cf::MAP{$path} = $map	2067	$cf::MAP{$path} = $map
1486	}	2068	}
1487	}	2069	}
1488		2070
1489	sub pre_load { }	2071	sub pre_load { }
1490	sub post_load { }	2072	#sub post_load { } # XS
1491		2073
1492	sub load {	2074	sub load {
1493	my ($self) = @_;	2075	my ($self) = @_;
1494		2076
1495	local $self->{deny_reset} = 1; # loading can take a long time	2077	local $self->{deny_reset} = 1; # loading can take a long time
1496		2078
1497	my $path = $self->{path};	2079	my $path = $self->{path};
1498		2080
1499	{	2081	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2082	my $guard = cf::lock_acquire "map_data:$path";
1501		2083
		2084	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1503		2086
1504	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1505		2088
1506	$self->alloc;	2089	$self->alloc;
1507		2090
1508	$self->pre_load;	2091	$self->pre_load;
1509	Coro::cede;	2092	cf::cede_to_tick;
1510		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
1511	$self->_load_objects ($self->{load_path}, 1)	2096	$self->_load_objects ($f)
1512	or return;	2097	or return;
1513		2098
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1515	if delete $self->{load_original};	2100	if delete $self->{load_original};
1516		2101
1517	if (my $uniq = $self->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2103	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2106	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1522	}	2110	}
1523	}	2111	}
1524		2112
1525	Coro::cede;	2113	$f->resolve_delayed_derefs;
		2114
		2115	cf::cede_to_tick;
1526	# now do the right thing for maps	2116	# now do the right thing for maps
1527	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2119	unless $self->difficulty;
1530	Coro::cede;	2120	cf::cede_to_tick;
1531		2121
1532	unless ($self->{deny_activate}) {	2122	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2123	$self->decay_objects;
1534	$self->fix_auto_apply;	2124	$self->fix_auto_apply;
1535	$self->update_buttons;	2125	$self->update_buttons;
1536	Coro::cede;	2126	cf::cede_to_tick;
1537	$self->set_darkness_map;
1538	Coro::cede;
1539	$self->activate;	2127	$self->activate;
1540	}	2128	}
1541		2129
		2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
		2132
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
1543	}	2134	}
1544		2135
1545	$self->post_load;	2136	$self->post_load;
1546	}	2137	}
1547		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2142	sub customise_for {
1549	my ($self, $ob) = @_;	2143	my ($self, $ob) = @_;
1550		2144
1551	return find "~" . $ob->name . "/" . $self->{path}	2145	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2146	if $self->per_player;
1553		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
1554	$self	2151	$self
1555	}	2152	}
1556		2153
1557	# find and load all maps in the 3x3 area around a map	2154	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	2155	sub load_neighbours {
1559	my ($map) = @_;	2156	my ($map) = @_;
1560		2157
1561	my @diag; # diagonal neighbours	2158	my @neigh; # diagonal neighbours
1562		2159
1563	for (0 .. 3) {	2160	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	2161	my $neigh = $map->tile_path ($_)
1565	or next;	2162	or next;
1566	$neigh = find $neigh, $map	2163	$neigh = find $neigh, $map
1567	or next;	2164	or next;
1568	$neigh->load;	2165	$neigh->load;
1569		2166
		2167	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	2170	}
1573		2171
1574	for (@diag) {	2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	2174	my $neigh = find $path, $origin
1576	or next;	2175	or next;
1577	$neigh->load;	2176	$neigh->load;
1578	}	2177	}
1579	}	2178	}
1580		2179
…		…
1585	}	2184	}
1586		2185
1587	sub do_load_sync {	2186	sub do_load_sync {
1588	my ($map) = @_;	2187	my ($map) = @_;
1589		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1590	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
1591	}	2193	}
1592		2194
1593	our %MAP_PREFETCH;	2195	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2196	our $MAP_PREFETCHER = undef;
1595		2197
1596	sub find_async {	2198	sub find_async {
1597	my ($path, $origin) = @_;	2199	my ($path, $origin, $load) = @_;
1598		2200
1599	$path = normalise $path, $origin && $origin->{path};	2201	$path = normalise $path, $origin && $origin->{path};
1600		2202
1601	if (my $map = $cf::MAP{$path}) {	2203	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603	}	2205	}
1604		2206
1605	undef $MAP_PREFETCH{$path};	2207	$MAP_PREFETCH{$path} |= $load;
		2208
1606	$MAP_PREFETCHER ||= cf::async {	2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
1607	while (%MAP_PREFETCH) {	2212	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2213	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2214	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2215	$map->load if $v;
		2216	}
1612		2217
1613	delete $MAP_PREFETCH{$path};	2218	delete $MAP_PREFETCH{$k};
1614	}	2219	}
1615	}	2220	}
1616	undef $MAP_PREFETCHER;	2221	undef $MAP_PREFETCHER;
1617	};	2222	};
1618	$MAP_PREFETCHER->prio (6);	2223	$MAP_PREFETCHER->prio (6);
1619		2224
1620	()	2225	()
1621	}	2226	}
1622		2227
		2228	# common code, used by both ->save and ->swapout
1623	sub save {	2229	sub _save {
1624	my ($self) = @_;	2230	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2231
1628	$self->{last_save} = $cf::RUNTIME;	2232	$self->{last_save} = $cf::RUNTIME;
1629		2233
1630	return unless $self->dirty;	2234	return unless $self->dirty;
1631		2235
…		…
1637	return if $self->{deny_save};	2241	return if $self->{deny_save};
1638		2242
1639	local $self->{last_access} = $self->last_access;#d#	2243	local $self->{last_access} = $self->last_access;#d#
1640		2244
1641	cf::async {	2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2247	$_->contr->save for $self->players;
1643	};	2248	};
		2249
		2250	cf::get_slot 0.02;
1644		2251
1645	if ($uniq) {	2252	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2255	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2257	}
1651	}	2258	}
1652		2259
		2260	sub save {
		2261	my ($self) = @_;
		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	$self->_save;
		2266	}
		2267
1653	sub swap_out {	2268	sub swap_out {
1654	my ($self) = @_;	2269	my ($self) = @_;
1655		2270
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1661	return if $self->players;	2275	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		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
1665	$self->clear;	2286	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2287	}
1668		2288
1669	sub reset_at {	2289	sub reset_at {
1670	my ($self) = @_;	2290	my ($self) = @_;
1671		2291
1672	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1675		2294
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2297
…		…
1689	my ($self) = @_;	2308	my ($self) = @_;
1690		2309
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2311
1693	return if $self->players;	2312	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2313
1696	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
1697		2315
1698	$self->in_memory (cf::MAP_SWAPPED);	2316	$self->in_memory (cf::MAP_SWAPPED);
1699		2317
1700	# need to save uniques path	2318	# need to save uniques path
1701	unless ($self->{deny_save}) {	2319	unless ($self->{deny_save}) {
…		…
1705	if $uniq;	2323	if $uniq;
1706	}	2324	}
1707		2325
1708	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1709		2327
		2328	$self->deactivate;
		2329	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2330	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2331
1714	$self->unlink_save;	2332	$self->unlink_save;
1715	$self->destroy;	2333	$self->destroy;
1716	}	2334	}
1717		2335
1718	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1719		2337
1720	sub nuke {	2338	sub nuke {
1721	my ($self) = @_;	2339	my ($self) = @_;
1722		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
1723	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
1724		2345
1725	$self->unlink_save;	2346	$self->unlink_save;
1726		2347
1727	bless $self, "cf::map";	2348	bless $self, "cf::map";
1728	delete $self->{deny_reset};	2349	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2353
1733	$cf::MAP{$self->path} = $self;	2354	$cf::MAP{$self->path} = $self;
		2355	}
1734		2356
1735	$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	]
1736	}	2394	}
1737		2395
1738	=item cf::map::unique_maps	2396	=item cf::map::unique_maps
1739		2397
1740	Returns an arrayref of paths of all shared maps that have	2398	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2399	instantiated unique items. May block.
1742		2400
1743	=cut	2401	=cut
1744		2402
1745	sub unique_maps() {	2403	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2404	[
1747	or return;	2405	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2406	utf8::decode $_;
1753	next if /\.pst$/;	2407	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2409	? ()
1756	push @paths, cf::map::normalise $_;	2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2412	]
1758
1759	\@paths
1760	}	2413	}
1761		2414
1762	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	}
1763		2446
1764	=back	2447	=back
1765		2448
1766	=head3 cf::object	2449	=head3 cf::object
1767		2450
…		…
1771		2454
1772	=over 4	2455	=over 4
1773		2456
1774	=item $ob->inv_recursive	2457	=item $ob->inv_recursive
1775		2458
1776	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.
1777		2461
1778	=cut	2462	=cut
1779		2463
1780	sub inv_recursive_;	2464	sub inv_recursive_;
1781	sub inv_recursive_ {	2465	sub inv_recursive_ {
…		…
1784		2468
1785	sub inv_recursive {	2469	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2470	inv_recursive_ inv $_[0]
1787	}	2471	}
1788		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
1789	package cf;	2501	package cf;
1790		2502
1791	=back	2503	=back
1792		2504
1793	=head3 cf::object::player	2505	=head3 cf::object::player
…		…
1799	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>
1800	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
1801	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1802		2514
1803	=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	};
1804		2530
1805	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2532	# with dialog boxes.
1807	#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
1808	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1810		2536
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2538
1813	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1818	}	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 (@_);
1819	}	2564	}
1820		2565
1821	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1822		2567
1823	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1836		2581
1837	=item $player_object->enter_link	2582	=item $player_object->enter_link
1838		2583
1839	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}>).
1840		2585
1841	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.
1842	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.
1843		2590
1844	Will never block.	2591	Will never block.
1845		2592
1846	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1847		2594
…		…
1870	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1871		2618
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2620
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1876		2623
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2625	}
1879		2626
1880	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1882		2631
1883	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1884		2633
1885	unless ($map) {	2634	unless ($map) {
1886	# restore original map position	2635	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1899		2648
1900	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1903		2652
1904	$map->load;	2653	$map->load;
1905	$map->load_diag;	2654	$map->load_neighbours;
1906		2655
1907	return unless $self->contr->active;	2656	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2657
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1912	}
1913		2660
1914	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2662	$self->activate_recursive;
1916	my ($pl) = @_;	2663	}
1917		2664
1918	# abort map switching before logout	2665	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2666
1928	# try to abort aborted map switching on player login :)	2667	Moves the player to the given map-path and coordinates by first freezing
1929	# should happen only on crashes	2668	her, loading and preparing them map, calling the provided $check callback
1930	if ($pl->ob->{_link_pos}) {	2669	that has to return the map if sucecssful, and then unfreezes the player on
1931	$pl->ob->enter_link;	2670	the new (success) or old (failed) map position. In either case, $done will
1932	(async {	2671	be called at the end of this process.
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2672
1946	=item $player_object->goto ($path, $x, $y)	2673	Note that $check will be called with a potentially non-loaded map, so if
		2674	it needs a loaded map it has to call C<< ->load >>.
1947		2675
1948	=cut	2676	=cut
		2677
		2678	our $GOTOGEN;
1949		2679
1950	sub cf::object::player::goto {	2680	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2681	my ($self, $path, $x, $y, $check, $done) = @_;
		2682
		2683	# do generation counting so two concurrent goto's will be executed in-order
		2684	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2685
1953	$self->enter_link;	2686	$self->enter_link;
1954		2687
1955	(async {	2688	(async {
		2689	$Coro::current->{desc} = "player::goto $path $x $y";
		2690
		2691	# *tag paths override both path and x|y
		2692	if ($path =~ /^\*(.*)$/) {
		2693	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2694	my $ob = $obs[rand @obs];
		2695
		2696	# see if we actually can go there
		2697	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2698	$ob = $obs[rand @obs];
		2699	} else {
		2700	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2701	}
		2702	# else put us there anyways for now #d#
		2703
		2704	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2705	} else {
		2706	($path, $x, $y) = (undef, undef, undef);
		2707	}
		2708	}
		2709
1956	my $map = eval {	2710	my $map = eval {
1957	my $map = cf::map::find $path;	2711	my $map = defined $path ? cf::map::find $path : undef;
		2712
		2713	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2714	$map = $map->customise_for ($self);
		2715	$map = $check->($map) if $check && $map;
		2716	} else {
		2717	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2718	}
		2719
1959	$map	2720	$map
		2721	};
		2722
		2723	if ($@) {
		2724	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2725	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2726	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2727
		2728	if ($gen == $self->{_goto_generation}) {
		2729	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2730	$self->leave_link ($map, $x, $y);
		2731	}
		2732
		2733	$done->() if $done;
1964	})->prio (1);	2734	})->prio (1);
1965	}	2735	}
1966		2736
1967	=item $player_object->enter_exit ($exit_object)	2737	=item $player_object->enter_exit ($exit_object)
1968		2738
…		…
1988	}	2758	}
1989		2759
1990	sub prepare_random_map {	2760	sub prepare_random_map {
1991	my ($exit) = @_;	2761	my ($exit) = @_;
1992		2762
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2763	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2764	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2765	# that depends on the exit object
1998		2766
1999	my $rmp = parse_random_map_params $exit->msg;	2767	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2769	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2770	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2771	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2772	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2773	$rmp->{origin_y} = $exit->y;
		2774
		2775	$exit->map->touch;
2006	}	2776	}
2007		2777
2008	$rmp->{random_seed} ||= $exit->random_seed;	2778	$rmp->{random_seed} ||= $exit->random_seed;
2009		2779
2010	my $data = cf::to_json $rmp;	2780	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2781	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2782	my $meta = "$RANDOMDIR/$md5.meta";
2013		2783
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2784	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2785	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2786	undef $fh;
2017	aio_rename "$meta~", $meta;	2787	aio_rename "$meta~", $meta;
2018		2788
		2789	my $slaying = "?random/$md5";
		2790
		2791	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2792	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2793	$exit->msg (undef);
		2794	}
2021	}	2795	}
2022	}	2796	}
2023		2797
2024	sub cf::object::player::enter_exit {	2798	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2799	my ($self, $exit) = @_;
2026		2800
2027	return unless $self->type == cf::PLAYER;	2801	return unless $self->type == cf::PLAYER;
2028		2802
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2803	$self->enter_link;
2041		2804
2042	(async {	2805	(async {
2043	$self->deactivate_recursive; # just to be sure	2806	$Coro::current->{desc} = "enter_exit";
		2807
2044	unless (eval {	2808	unless (eval {
		2809	$self->deactivate_recursive; # just to be sure
		2810
		2811	# random map handling
		2812	{
		2813	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2814
		2815	prepare_random_map $exit
		2816	if $exit->slaying eq "/!";
		2817	}
		2818
		2819	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2820	my $x = $exit->stats->hp;
		2821	my $y = $exit->stats->sp;
		2822
2045	$self->goto ($slaying, $hp, $sp);	2823	$self->goto ($map, $x, $y);
2046		2824
		2825	# if exit is damned, update players death & WoR home-position
		2826	$self->contr->savebed ($map, $x, $y)
		2827	if $exit->flag (cf::FLAG_DAMNED);
		2828
2047	1;	2829	1
2048	}) {	2830	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2831	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "I'll try to bring you back to the map you were before. "	2832	. "I'll try to bring you back to the map you were before. "
2051	. "Please report this to the dungeon master!",	2833	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2834	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2835
2054	warn "ERROR in enter_exit: $@";	2836	warn "ERROR in enter_exit: $@";
…		…
2073		2855
2074	utf8::encode $text;	2856	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2857	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2858	}
2077		2859
		2860	=item $client->send_big_packet ($pkt)
		2861
		2862	Like C<send_packet>, but tries to compress large packets, and fragments
		2863	them as required.
		2864
		2865	=cut
		2866
		2867	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2868
		2869	sub cf::client::send_big_packet {
		2870	my ($self, $pkt) = @_;
		2871
		2872	# try lzf for large packets
		2873	$pkt = "lzf " . Compress::LZF::compress $pkt
		2874	if 1024 <= length $pkt and $self->{can_lzf};
		2875
		2876	# split very large packets
		2877	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2878	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2879	$pkt = "frag";
		2880	}
		2881
		2882	$self->send_packet ($pkt);
		2883	}
		2884
		2885	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2886
		2887	Send a drawinfo or msg packet to the client, formatting the msg for the
		2888	client if neccessary. C<$type> should be a string identifying the type of
		2889	the message, with C<log> being the default. If C<$color> is negative, suppress
		2890	the message unless the client supports the msg packet.
		2891
		2892	=cut
		2893
		2894	# non-persistent channels (usually the info channel)
		2895	our %CHANNEL = (
		2896	"c/motd" => {
		2897	id => "infobox",
		2898	title => "MOTD",
		2899	reply => undef,
		2900	tooltip => "The message of the day",
		2901	},
		2902	"c/identify" => {
		2903	id => "infobox",
		2904	title => "Identify",
		2905	reply => undef,
		2906	tooltip => "Items recently identified",
		2907	},
		2908	"c/examine" => {
		2909	id => "infobox",
		2910	title => "Examine",
		2911	reply => undef,
		2912	tooltip => "Signs and other items you examined",
		2913	},
		2914	"c/shopinfo" => {
		2915	id => "infobox",
		2916	title => "Shop Info",
		2917	reply => undef,
		2918	tooltip => "What your bargaining skill tells you about the shop",
		2919	},
		2920	"c/book" => {
		2921	id => "infobox",
		2922	title => "Book",
		2923	reply => undef,
		2924	tooltip => "The contents of a note or book",
		2925	},
		2926	"c/lookat" => {
		2927	id => "infobox",
		2928	title => "Look",
		2929	reply => undef,
		2930	tooltip => "What you saw there",
		2931	},
		2932	"c/who" => {
		2933	id => "infobox",
		2934	title => "Players",
		2935	reply => undef,
		2936	tooltip => "Shows players who are currently online",
		2937	},
		2938	"c/body" => {
		2939	id => "infobox",
		2940	title => "Body Parts",
		2941	reply => undef,
		2942	tooltip => "Shows which body parts you posess and are available",
		2943	},
		2944	"c/statistics" => {
		2945	id => "infobox",
		2946	title => "Statistics",
		2947	reply => undef,
		2948	tooltip => "Shows your primary statistics",
		2949	},
		2950	"c/skills" => {
		2951	id => "infobox",
		2952	title => "Skills",
		2953	reply => undef,
		2954	tooltip => "Shows your experience per skill and item power",
		2955	},
		2956	"c/shopitems" => {
		2957	id => "infobox",
		2958	title => "Shop Items",
		2959	reply => undef,
		2960	tooltip => "Shows the items currently for sale in this shop",
		2961	},
		2962	"c/resistances" => {
		2963	id => "infobox",
		2964	title => "Resistances",
		2965	reply => undef,
		2966	tooltip => "Shows your resistances",
		2967	},
		2968	"c/pets" => {
		2969	id => "infobox",
		2970	title => "Pets",
		2971	reply => undef,
		2972	tooltip => "Shows information abotu your pets/a specific pet",
		2973	},
		2974	"c/perceiveself" => {
		2975	id => "infobox",
		2976	title => "Perceive Self",
		2977	reply => undef,
		2978	tooltip => "You gained detailed knowledge about yourself",
		2979	},
		2980	"c/uptime" => {
		2981	id => "infobox",
		2982	title => "Uptime",
		2983	reply => undef,
		2984	tooltip => "How long the server has been running since last restart",
		2985	},
		2986	"c/mapinfo" => {
		2987	id => "infobox",
		2988	title => "Map Info",
		2989	reply => undef,
		2990	tooltip => "Information related to the maps",
		2991	},
		2992	"c/party" => {
		2993	id => "party",
		2994	title => "Party",
		2995	reply => "gsay ",
		2996	tooltip => "Messages and chat related to your party",
		2997	},
		2998	"c/death" => {
		2999	id => "death",
		3000	title => "Death",
		3001	reply => undef,
		3002	tooltip => "Reason for and more info about your most recent death",
		3003	},
		3004	"c/say" => $SAY_CHANNEL,
		3005	"c/chat" => $CHAT_CHANNEL,
		3006	);
		3007
		3008	sub cf::client::send_msg {
		3009	my ($self, $channel, $msg, $color, @extra) = @_;
		3010
		3011	$msg = $self->pl->expand_cfpod ($msg)
		3012	unless $color & cf::NDI_VERBATIM;
		3013
		3014	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3015
		3016	# check predefined channels, for the benefit of C
		3017	if ($CHANNEL{$channel}) {
		3018	$channel = $CHANNEL{$channel};
		3019
		3020	$self->ext_msg (channel_info => $channel);
		3021	$channel = $channel->{id};
		3022
		3023	} elsif (ref $channel) {
		3024	# send meta info to client, if not yet sent
		3025	unless (exists $self->{channel}{$channel->{id}}) {
		3026	$self->{channel}{$channel->{id}} = $channel;
		3027	$self->ext_msg (channel_info => $channel);
		3028	}
		3029
		3030	$channel = $channel->{id};
		3031	}
		3032
		3033	return unless @extra || length $msg;
		3034
		3035	# default colour, mask it out
		3036	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3037	if $color & cf::NDI_DEF;
		3038
		3039	my $pkt = "msg "
		3040	. $self->{json_coder}->encode (
		3041	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3042	);
		3043
		3044	$self->send_big_packet ($pkt);
		3045	}
		3046
2078	=item $client->ext_event ($type, %msg)	3047	=item $client->ext_msg ($type, @msg)
2079		3048
2080	Sends an exti event to the client.	3049	Sends an ext event to the client.
2081		3050
2082	=cut	3051	=cut
2083		3052
2084	sub cf::client::ext_event($$%) {	3053	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3054	my ($self, $type, @msg) = @_;
2086		3055
		3056	if ($self->extcmd == 2) {
		3057	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3058	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	3059	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	3060	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3061	}
		3062	}
		3063
		3064	=item $client->ext_reply ($msgid, @msg)
		3065
		3066	Sends an ext reply to the client.
		3067
		3068	=cut
		3069
		3070	sub cf::client::ext_reply($$@) {
		3071	my ($self, $id, @msg) = @_;
		3072
		3073	if ($self->extcmd == 2) {
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3075	} elsif ($self->extcmd == 1) {
		3076	#TODO: version 1, remove
		3077	unshift @msg, msgtype => "reply", msgid => $id;
		3078	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3079	}
2089	}	3080	}
2090		3081
2091	=item $success = $client->query ($flags, "text", \&cb)	3082	=item $success = $client->query ($flags, "text", \&cb)
2092		3083
2093	Queues a query to the client, calling the given callback with	3084	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3085	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3086	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		3087
2097	Queries can fail, so check the return code. Or don't, as queries will become	3088	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	3089	become reliable at some point in the future.
2099		3090
2100	=cut	3091	=cut
2101		3092
2102	sub cf::client::query {	3093	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3094	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3102	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3103	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3104
2114	$self->send_packet ($self->{query_queue}[0][0])	3105	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3106	if @{ $self->{query_queue} } == 1;
		3107
		3108	1
2116	}	3109	}
2117		3110
2118	cf::client->attach (	3111	cf::client->attach (
		3112	on_connect => sub {
		3113	my ($ns) = @_;
		3114
		3115	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3116	},
2119	on_reply => sub {	3117	on_reply => sub {
2120	my ($ns, $msg) = @_;	3118	my ($ns, $msg) = @_;
2121		3119
2122	# this weird shuffling is so that direct followup queries	3120	# this weird shuffling is so that direct followup queries
2123	# get handled first	3121	# get handled first
…		…
2135	} else {	3133	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3134	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3135	}
2138	}	3136	}
2139	},	3137	},
		3138	on_exticmd => sub {
		3139	my ($ns, $buf) = @_;
		3140
		3141	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3142
		3143	if (ref $msg) {
		3144	my ($type, $reply, @payload) =
		3145	"ARRAY" eq ref $msg
		3146	? @$msg
		3147	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3148
		3149	my @reply;
		3150
		3151	if (my $cb = $EXTICMD{$type}) {
		3152	@reply = $cb->($ns, @payload);
		3153	}
		3154
		3155	$ns->ext_reply ($reply, @reply)
		3156	if $reply;
		3157
		3158	} else {
		3159	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3160	}
		3161
		3162	cf::override;
		3163	},
2140	);	3164	);
2141		3165
2142	=item $client->async (\&cb)	3166	=item $client->async (\&cb)
2143		3167
2144	Create a new coroutine, running the specified callback. The coroutine will	3168	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3184
2161	$coro	3185	$coro
2162	}	3186	}
2163		3187
2164	cf::client->attach (	3188	cf::client->attach (
2165	on_destroy => sub {	3189	on_client_destroy => sub {
2166	my ($ns) = @_;	3190	my ($ns) = @_;
2167		3191
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3192	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3193	},
2170	);	3194	);
…		…
2185	our $safe = new Safe "safe";	3209	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3210	our $safe_hole = new Safe::Hole;
2187		3211
2188	$SIG{FPE} = 'IGNORE';	3212	$SIG{FPE} = 'IGNORE';
2189		3213
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3214	$safe->permit_only (Opcode::opset qw(
		3215	:base_core :base_mem :base_orig :base_math :base_loop
		3216	grepstart grepwhile mapstart mapwhile
		3217	sort time
		3218	));
2191		3219
2192	# here we export the classes and methods available to script code	3220	# here we export the classes and methods available to script code
2193		3221
2194	=pod	3222	=pod
2195		3223
2196	The following functions and methods are available within a safe environment:	3224	The following functions and methods are available within a safe environment:
2197		3225
2198	cf::object contr pay_amount pay_player map	3226	cf::object
		3227	contr pay_amount pay_player map x y force_find force_add destroy
		3228	insert remove name archname title slaying race decrease split
		3229	value
		3230
2199	cf::object::player player	3231	cf::object::player
2200	cf::player peaceful	3232	player
2201	cf::map trigger	3233
		3234	cf::player
		3235	peaceful
		3236
		3237	cf::map
		3238	trigger
2202		3239
2203	=cut	3240	=cut
2204		3241
2205	for (	3242	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3243	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3244	insert remove inv nrof name archname title slaying race
		3245	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3246	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3247	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3248	["cf::map" => qw(trigger)],
2210	) {	3249	) {
2211	no strict 'refs';	3250	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3251	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3252	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2231		3270
2232	my $qcode = $code;	3271	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3272	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3273	$qcode =~ s/\n/\\n/g;
2235		3274
		3275	%vars = (_dummy => 0) unless %vars;
		3276
		3277	my @res;
2236	local $_;	3278	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3279
2239	my $eval =	3280	my $eval =
2240	"do {\n"	3281	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3282	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3283	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3284	. $code
2244	. "\n}"	3285	. "\n}"
2245	;	3286	;
2246		3287
		3288	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3289	sub_generation_inc;
		3290	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3291	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3292	sub_generation_inc;
		3293	} else {
		3294	local @cf::_safe_eval_args = values %vars;
		3295	@res = wantarray ? eval eval : scalar eval $eval;
		3296	}
2250		3297
2251	if ($@) {	3298	if ($@) {
2252	warn "$@";	3299	warn "$@";
2253	warn "while executing safe code '$code'\n";	3300	warn "while executing safe code '$code'\n";
2254	warn "with arguments " . (join " ", %vars) . "\n";	3301	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2273	=cut	3320	=cut
2274		3321
2275	sub register_script_function {	3322	sub register_script_function {
2276	my ($fun, $cb) = @_;	3323	my ($fun, $cb) = @_;
2277		3324
2278	no strict 'refs';	3325	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3326	*$fun = $safe_hole->wrap ($cb);
2280	}	3327	}
2281		3328
2282	=back	3329	=back
2283		3330
2284	=cut	3331	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3332
2460	#############################################################################	3333	#############################################################################
2461	# the server's init and main functions	3334	# the server's init and main functions
2462		3335
2463	sub load_facedata($) {	3336	sub load_facedata($) {
2464	my ($path) = @_;	3337	my ($path) = @_;
		3338
		3339	# HACK to clear player env face cache, we need some signal framework
		3340	# for this (global event?)
		3341	%ext::player_env::MUSIC_FACE_CACHE = ();
		3342
		3343	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		3344
2466	warn "loading facedata from $path\n";	3345	warn "loading facedata from $path\n";
2467		3346
2468	my $facedata;	3347	my $facedata;
2469	0 < aio_load $path, $facedata	3348	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	3351	$facedata = Coro::Storable::thaw $facedata;
2473		3352
2474	$facedata->{version} == 2	3353	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3354	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		3355
		3356	# patch in the exptable
		3357	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3358	$facedata->{resource}{"res/exp_table"} = {
		3359	type => FT_RSRC,
		3360	data => $exp_table,
		3361	hash => (Digest::MD5::md5 $exp_table),
		3362	};
		3363	cf::cede_to_tick;
		3364
2477	{	3365	{
2478	my $faces = $facedata->{faceinfo};	3366	my $faces = $facedata->{faceinfo};
2479		3367
2480	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3369	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3370
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3371	cf::face::set_visibility $idx, $info->{visibility};
		3372	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3373	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3374	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3375
		3376	cf::cede_to_tick;
2486	}	3377	}
2487		3378
2488	while (my ($face, $info) = each %$faces) {	3379	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3380	next unless $info->{smooth};
		3381
2490	my $idx = cf::face::find $face	3382	my $idx = cf::face::find $face
2491	or next;	3383	or next;
		3384
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3385	if (my $smooth = cf::face::find $info->{smooth}) {
		3386	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3387	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3388	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3389	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3390	}
2497	Coro::cede;	3391
		3392	cf::cede_to_tick;
2498	}	3393	}
2499	}	3394	}
2500		3395
2501	{	3396	{
2502	my $anims = $facedata->{animinfo};	3397	my $anims = $facedata->{animinfo};
2503		3398
2504	while (my ($anim, $info) = each %$anims) {	3399	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3400	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3401	cf::cede_to_tick;
2507	}	3402	}
2508		3403
2509	cf::anim::invalidate_all; # d'oh	3404	cf::anim::invalidate_all; # d'oh
2510	}	3405	}
2511		3406
		3407	{
		3408	my $res = $facedata->{resource};
		3409
		3410	while (my ($name, $info) = each %$res) {
		3411	if (defined $info->{type}) {
		3412	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3413
		3414	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3415	cf::face::set_type $idx, $info->{type};
		3416	} else {
		3417	$RESOURCE{$name} = $info;
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3425
2512	1	3426	1
2513	}	3427	}
2514		3428
		3429	cf::global->attach (on_resource_update => sub {
		3430	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3431	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3432
		3433	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3434	my $sound = $soundconf->{compat}[$_]
		3435	or next;
		3436
		3437	my $face = cf::face::find "sound/$sound->[1]";
		3438	cf::sound::set $sound->[0] => $face;
		3439	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3440	}
		3441
		3442	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3443	my $face = cf::face::find "sound/$v";
		3444	cf::sound::set $k => $face;
		3445	}
		3446	}
		3447	});
		3448
		3449	register_exticmd fx_want => sub {
		3450	my ($ns, $want) = @_;
		3451
		3452	while (my ($k, $v) = each %$want) {
		3453	$ns->fx_want ($k, $v);
		3454	}
		3455	};
		3456
		3457	sub load_resource_file($) {
		3458	my $guard = lock_acquire "load_resource_file";
		3459
		3460	my $status = load_resource_file_ $_[0];
		3461	get_slot 0.1, 100;
		3462	cf::arch::commit_load;
		3463
		3464	$status
		3465	}
		3466
2515	sub reload_regions {	3467	sub reload_regions {
		3468	# HACK to clear player env face cache, we need some signal framework
		3469	# for this (global event?)
		3470	%ext::player_env::MUSIC_FACE_CACHE = ();
		3471
2516	load_resource_file "$MAPDIR/regions"	3472	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3473	or die "unable to load regions file\n";
		3474
		3475	for (cf::region::list) {
		3476	$_->{match} = qr/$_->{match}/
		3477	if exists $_->{match};
		3478	}
2518	}	3479	}
2519		3480
2520	sub reload_facedata {	3481	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3482	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3483	or die "unable to load facedata\n";
…		…
2533	}	3494	}
2534		3495
2535	sub reload_resources {	3496	sub reload_resources {
2536	warn "reloading resource files...\n";	3497	warn "reloading resource files...\n";
2537		3498
2538	reload_regions;
2539	reload_facedata;	3499	reload_facedata;
2540	reload_archetypes;	3500	reload_archetypes;
		3501	reload_regions;
2541	reload_treasures;	3502	reload_treasures;
2542		3503
2543	warn "finished reloading resource files\n";	3504	warn "finished reloading resource files\n";
2544	}	3505	}
2545		3506
2546	sub init {	3507	sub reload_config {
2547	reload_resources;	3508	warn "reloading config file...\n";
2548	}
2549		3509
2550	sub cfg_load {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3510	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3511	or return;
2553		3512
2554	local $/;	3513	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3514	*CFG = YAML::XS::Load scalar <$fh>;
2556		3515
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3516	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558		3517
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3518	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3519	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3523	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2565	and die "WARNING: m(un)lockall failed: $!\n";	3524	and die "WARNING: m(un)lockall failed: $!\n";
2566	};	3525	};
2567	warn $@ if $@;	3526	warn $@ if $@;
2568	}	3527	}
		3528
		3529	warn "finished reloading resource files\n";
		3530	}
		3531
		3532	sub pidfile() {
		3533	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3534	or die "$PIDFILE: $!";
		3535	flock $fh, &Fcntl::LOCK_EX
		3536	or die "$PIDFILE: flock: $!";
		3537	$fh
		3538	}
		3539
		3540	# make sure only one server instance is running at any one time
		3541	sub atomic {
		3542	my $fh = pidfile;
		3543
		3544	my $pid = <$fh>;
		3545	kill 9, $pid if $pid > 0;
		3546
		3547	seek $fh, 0, 0;
		3548	print $fh $$;
		3549	}
		3550
		3551	sub main_loop {
		3552	warn "EV::loop starting\n";
		3553	if (1) {
		3554	EV::loop;
		3555	}
		3556	warn "EV::loop returned\n";
		3557	goto &main_loop unless $REALLY_UNLOOP;
2569	}	3558	}
2570		3559
2571	sub main {	3560	sub main {
		3561	cf::init_globals; # initialise logging
		3562
		3563	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3564	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3565	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3566	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3567
		3568	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3569
2572	# we must not ever block the main coroutine	3570	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3571	local $Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3573	(async {
2576	Event::one_event;	3574	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3575	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3576	})->prio (Coro::PRIO_MAX);
2578	};	3577	};
2579		3578
2580	cfg_load;	3579	evthread_start IO::AIO::poll_fileno;
		3580
		3581	cf::sync_job {
		3582	cf::init_experience;
		3583	cf::init_anim;
		3584	cf::init_attackmess;
		3585	cf::init_dynamic;
		3586
		3587	cf::load_settings;
		3588	cf::load_materials;
		3589
		3590	reload_resources;
		3591	reload_config;
2581	db_init;	3592	db_init;
		3593
		3594	cf::init_uuid;
		3595	cf::init_signals;
		3596	cf::init_skills;
		3597
		3598	cf::init_beforeplay;
		3599
		3600	atomic;
		3601
2582	load_extensions;	3602	load_extensions;
2583		3603
2584	$TICK_WATCHER->start;	3604	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3605
		3606	# no (long-running) fork's whatsoever before this point(!)
		3607	use POSIX ();
		3608	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3609
		3610	(pop @POST_INIT)->(0) while @POST_INIT;
		3611	};
		3612
		3613	cf::object::thawer::errors_are_fatal 0;
		3614	warn "parse errors in files are no longer fatal from this point on.\n";
		3615
		3616	main_loop;
2586	}	3617	}
2587		3618
2588	#############################################################################	3619	#############################################################################
2589	# initialisation and cleanup	3620	# initialisation and cleanup
2590		3621
2591	# install some emergency cleanup handlers	3622	# install some emergency cleanup handlers
2592	BEGIN {	3623	BEGIN {
		3624	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3625	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3626	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3627	cf::cleanup "SIG$signal";
2601	},
2602	);	3628	};
		3629	}
		3630	}
		3631
		3632	sub write_runtime_sync {
		3633	my $t0 = AE::time;
		3634
		3635	# first touch the runtime file to show we are still running:
		3636	# the fsync below can take a very very long time.
		3637
		3638	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3639
		3640	my $guard = cf::lock_acquire "write_runtime";
		3641
		3642	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3643	or return;
		3644
		3645	my $value = $cf::RUNTIME + 90 + 10;
		3646	# 10 is the runtime save interval, for a monotonic clock
		3647	# 60 allows for the watchdog to kill the server.
		3648
		3649	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3650	and return;
		3651
		3652	# always fsync - this file is important
		3653	aio_fsync $fh
		3654	and return;
		3655
		3656	# touch it again to show we are up-to-date
		3657	aio_utime $fh, undef, undef;
		3658
		3659	close $fh
		3660	or return;
		3661
		3662	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3663	and return;
		3664
		3665	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3666
2603	}	3667	1
		3668	}
		3669
		3670	our $uuid_lock;
		3671	our $uuid_skip;
		3672
		3673	sub write_uuid_sync($) {
		3674	$uuid_skip ||= $_[0];
		3675
		3676	return if $uuid_lock;
		3677	local $uuid_lock = 1;
		3678
		3679	my $uuid = "$LOCALDIR/uuid";
		3680
		3681	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3682	or return;
		3683
		3684	my $value = uuid_seq uuid_cur;
		3685
		3686	unless ($value) {
		3687	warn "cowardly refusing to write zero uuid value!\n";
		3688	return;
		3689	}
		3690
		3691	my $value = uuid_str $value + $uuid_skip;
		3692	$uuid_skip = 0;
		3693
		3694	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3695	and return;
		3696
		3697	# always fsync - this file is important
		3698	aio_fsync $fh
		3699	and return;
		3700
		3701	close $fh
		3702	or return;
		3703
		3704	aio_rename "$uuid~", $uuid
		3705	and return;
		3706
		3707	warn "uuid file written ($value).\n";
		3708
		3709	1
		3710
		3711	}
		3712
		3713	sub write_uuid($$) {
		3714	my ($skip, $sync) = @_;
		3715
		3716	$sync ? write_uuid_sync $skip
		3717	: async { write_uuid_sync $skip };
2604	}	3718	}
2605		3719
2606	sub emergency_save() {	3720	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3721	my $freeze_guard = cf::freeze_mainloop;
2608		3722
2609	warn "enter emergency perl save\n";	3723	warn "emergency_perl_save: enter\n";
2610		3724
2611	cf::sync_job {	3725	cf::sync_job {
		3726	# this is a trade-off: we want to be very quick here, so
		3727	# save all maps without fsync, and later call a global sync
		3728	# (which in turn might be very very slow)
		3729	local $USE_FSYNC = 0;
		3730
2612	# use a peculiar iteration method to avoid tripping on perl	3731	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3732	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3733	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3734	warn "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3735	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3736	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3737	$pl->valid or next;
		3738	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3739	$pl->save;
2620	}	3740	}
2621	warn "end emergency player save\n";	3741	warn "emergency_perl_save: end player save\n";
2622		3742
2623	warn "begin emergency map save\n";	3743	warn "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	3744	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3745	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3746	$map->valid or next;
2627	$map->save;	3747	$map->save;
2628	}	3748	}
2629	warn "end emergency map save\n";	3749	warn "emergency_perl_save: end map save\n";
2630		3750
2631	warn "begin emergency database checkpoint\n";	3751	warn "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3752	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	3753	warn "emergency_perl_save: end database checkpoint\n";
		3754
		3755	warn "emergency_perl_save: begin write uuid\n";
		3756	write_uuid_sync 1;
		3757	warn "emergency_perl_save: end write uuid\n";
2634	};	3758	};
2635		3759
		3760	warn "emergency_perl_save: starting sync()\n";
		3761	IO::AIO::aio_sync sub {
		3762	warn "emergency_perl_save: finished sync()\n";
		3763	};
		3764
2636	warn "leave emergency perl save\n";	3765	warn "emergency_perl_save: leave\n";
2637	}	3766	}
2638		3767
2639	sub post_cleanup {	3768	sub post_cleanup {
2640	my ($make_core) = @_;	3769	my ($make_core) = @_;
2641		3770
2642	warn Carp::longmess "post_cleanup backtrace"	3771	warn Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3772	if $make_core;
		3773
		3774	my $fh = pidfile;
		3775	unlink $PIDFILE if <$fh> == $$;
		3776	}
		3777
		3778	# a safer delete_package, copied from Symbol
		3779	sub clear_package($) {
		3780	my $pkg = shift;
		3781
		3782	# expand to full symbol table name if needed
		3783	unless ($pkg =~ /^main::.*::$/) {
		3784	$pkg = "main$pkg" if $pkg =~ /^::/;
		3785	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3786	$pkg .= '::' unless $pkg =~ /::$/;
		3787	}
		3788
		3789	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3790	my $stem_symtab = *{$stem}{HASH};
		3791
		3792	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3793	or return;
		3794
		3795	# clear all symbols
		3796	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3797	for my $name (keys %$leaf_symtab) {
		3798	_gv_clear *{"$pkg$name"};
		3799	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3800	}
2644	}	3801	}
2645		3802
2646	sub do_reload_perl() {	3803	sub do_reload_perl() {
2647	# can/must only be called in main	3804	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3805	if (in_main) {
2649	warn "can only reload from main coroutine";	3806	warn "can only reload from main coroutine";
2650	return;	3807	return;
2651	}	3808	}
2652		3809
		3810	return if $RELOAD++;
		3811
		3812	my $t1 = AE::time;
		3813
		3814	while ($RELOAD) {
2653	warn "reloading...";	3815	warn "reloading...";
2654		3816
2655	warn "entering sync_job";	3817	warn "entering sync_job";
2656		3818
2657	cf::sync_job {	3819	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark	3820	cf::write_runtime_sync; # external watchdog should not bark
2659	cf::emergency_save;	3821	cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark	3822	cf::write_runtime_sync; # external watchdog should not bark
2661		3823
2662	warn "syncing database to disk";	3824	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;	3825	BDB::db_env_txn_checkpoint $DB_ENV;
2664		3826
2665	# if anything goes wrong in here, we should simply crash as we already saved	3827	# if anything goes wrong in here, we should simply crash as we already saved
2666		3828
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";	3829	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;	3830	while (IO::AIO::nreqs || BDB::nreqs) {
2678	warn "iterate...";	3831	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();
2686
2687	warn "removing commands";
2688	%COMMAND = ();
2689
2690	warn "removing ext commands";
2691	%EXTCMD = ();
2692
2693	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";
2696
2697	if (my $cb = $pkg->can ("unload")) {
2698	eval {
2699	$cb->($pkg);
2700	1
2701	} or warn "$pkg unloaded, but with errors: $@";
2702	}	3832	}
2703		3833
2704	warn "... nuking $pkg";	3834	warn "cancelling all extension coros";
2705	Symbol::delete_package $pkg;	3835	$_->cancel for values %EXT_CORO;
2706	}	3836	%EXT_CORO = ();
2707		3837
2708	warn "unloading all perl modules loaded from $LIBDIR";	3838	warn "removing commands";
2709	while (my ($k, $v) = each %INC) {	3839	%COMMAND = ();
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		3840
		3841	warn "removing ext/exti commands";
		3842	%EXTCMD = ();
		3843	%EXTICMD = ();
		3844
		3845	warn "unloading/nuking all extensions";
		3846	for my $pkg (@EXTS) {
2712	warn "... unloading $k";	3847	warn "... unloading $pkg";
2713	delete $INC{$k};
2714		3848
2715	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;
2717
2718	if (my $cb = $k->can ("unload_module")) {	3849	if (my $cb = $pkg->can ("unload")) {
		3850	eval {
2719	$cb->();	3851	$cb->($pkg);
		3852	1
		3853	} or warn "$pkg unloaded, but with errors: $@";
		3854	}
		3855
		3856	warn "... clearing $pkg";
		3857	clear_package $pkg;
2720	}	3858	}
2721		3859
2722	Symbol::delete_package $k;	3860	warn "unloading all perl modules loaded from $LIBDIR";
		3861	while (my ($k, $v) = each %INC) {
		3862	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3863
		3864	warn "... unloading $k";
		3865	delete $INC{$k};
		3866
		3867	$k =~ s/\.pm$//;
		3868	$k =~ s/\//::/g;
		3869
		3870	if (my $cb = $k->can ("unload_module")) {
		3871	$cb->();
		3872	}
		3873
		3874	clear_package $k;
2723	}	3875	}
2724		3876
2725	warn "getting rid of safe::, as good as possible";	3877	warn "getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	3878	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3879	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		3880
2729	warn "unloading cf.pm \"a bit\"";	3881	warn "unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	3882	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	3883	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		3884
2733	# don't, removes xs symbols, too,	3885	# don't, removes xs symbols, too,
2734	# and global variables created in xs	3886	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	3887	#clear_package __PACKAGE__;
2736		3888
2737	warn "unload completed, starting to reload now";	3889	warn "unload completed, starting to reload now";
2738		3890
2739	warn "reloading cf.pm";	3891	warn "reloading cf.pm";
2740	require cf;	3892	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3893	cf::_connect_to_perl_1;
2742		3894
2743	warn "loading config and database again";	3895	warn "loading config and database again";
2744	cf::cfg_load;	3896	cf::reload_config;
2745		3897
2746	warn "loading extensions";	3898	warn "loading extensions";
2747	cf::load_extensions;	3899	cf::load_extensions;
2748		3900
		3901	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	3902	warn "reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	3903	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	3904	warn "reattaching attachments to maps";
2752	reattach $_ for values %MAP;	3905	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	3906	warn "reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	3907	reattach $_ for values %PLAYER;
		3908	}
2755		3909
		3910	warn "running post_init jobs";
		3911	(pop @POST_INIT)->(1) while @POST_INIT;
		3912
2756	warn "leaving sync_job";	3913	warn "leaving sync_job";
2757		3914
2758	1	3915	1
2759	} or do {	3916	} or do {
2760	warn $@;	3917	warn $@;
2761	warn "error while reloading, exiting.";	3918	cf::cleanup "error while reloading, exiting.";
2762	exit 1;
2763	};	3919	};
2764		3920
2765	warn "reloaded";	3921	warn "reloaded";
		3922	--$RELOAD;
		3923	}
		3924
		3925	$t1 = AE::time - $t1;
		3926	warn "reload completed in ${t1}s\n";
2766	};	3927	};
2767		3928
2768	our $RELOAD_WATCHER; # used only during reload	3929	our $RELOAD_WATCHER; # used only during reload
2769		3930
2770	sub reload_perl() {	3931	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	3932	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	3933	# coro crashes during coro_state_free->destroy here.
2773		3934
2774	$RELOAD_WATCHER ||= Event->timer (	3935	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	3936	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	3937
2777	data => WF_AUTOCANCEL,	3938	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	3939	do_reload_perl;
2780	undef $RELOAD_WATCHER;	3940	undef $RELOAD_WATCHER;
2781	},	3941	};
2782	);	3942	};
2783	}	3943	}
2784		3944
2785	register_command "reload" => sub {	3945	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	3946	my ($who, $arg) = @_;
2787		3947
2788	if ($who->flag (FLAG_WIZ)) {	3948	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	3949	$who->message ("reloading server.");
		3950	async {
		3951	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	3952	reload_perl;
		3953	};
2791	}	3954	}
2792	};	3955	};
2793		3956
2794	unshift @INC, $LIBDIR;	3957	unshift @INC, $LIBDIR;
2795		3958
…		…
2797		3960
2798	our @WAIT_FOR_TICK;	3961	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;	3962	our @WAIT_FOR_TICK_BEGIN;
2800		3963
2801	sub wait_for_tick {	3964	sub wait_for_tick {
2802	return unless $TICK_WATCHER->is_active;
2803	return if $Coro::current == $Coro::main;	3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2804		3966
2805	my $signal = new Coro::Signal;	3967	my $signal = new Coro::Signal;
2806	push @WAIT_FOR_TICK, $signal;	3968	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;	3969	$signal->wait;
2808	}	3970	}
2809		3971
2810	sub wait_for_tick_begin {	3972	sub wait_for_tick_begin {
2811	return unless $TICK_WATCHER->is_active;
2812	return if $Coro::current == $Coro::main;	3973	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2813		3974
2814	my $signal = new Coro::Signal;	3975	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3976	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3977	$signal->wait;
2817	}	3978	}
2818		3979
2819	$TICK_WATCHER = Event->timer (	3980	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	3981	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3982	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3983	unless ++$bug_warning > 10;
2829	return;	3984	return;
2830	}	3985	}
2831		3986
2832	$NOW = Event::time;
2833
2834	cf::server_tick; # one server iteration	3987	cf::server_tick; # one server iteration
2835		3988
2836	$RUNTIME += $TICK;	3989	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2837	$NEXT_TICK += $TICK;
2838		3990
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3991	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	3992	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	3993	Coro::async_pool {
		3994	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	3995	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	3996	or warn "ERROR: unable to write runtime file: $!";
2844	};
2845	}	3997	};
		3998	}
2846		3999
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4000	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4001	$sig->send;
2858	}	4002	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {	4003	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;	4004	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4005	}
2865	);	4006
		4007	$LOAD = ($NOW - $TICK_START) / $TICK;
		4008	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4009
		4010	if (0) {
		4011	if ($NEXT_TICK) {
		4012	my $jitter = $TICK_START - $NEXT_TICK;
		4013	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4014	warn "jitter $JITTER\n";#d#
		4015	}
		4016	}
		4017	}
2866		4018
2867	{	4019	{
2868	BDB::max_poll_time $TICK * 0.1;	4020	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4021
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4022	BDB::min_parallel 16;
2878		4023	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4024	$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4025
2894	unless ($DB_ENV) {	4026	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4027	$DB_ENV = BDB::db_env_create;
		4028	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4029	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4030	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4031	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4032	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4033
2897	cf::sync_job {	4034	cf::sync_job {
2898	eval {	4035	eval {
2899	BDB::db_env_open	4036	BDB::db_env_open
2900	$DB_ENV,	4037	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4041	0666;
2905		4042
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4044	};
2911		4045
2912	cf::cleanup "db_env_open(db): $@" if $@;	4046	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4047	};
2914	}	4048	}
		4049
		4050	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4051	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4052	};
		4053	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4054	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4055	};
		4056	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4057	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4058	};
2915	}	4059	}
2916		4060
2917	{	4061	{
		4062	# configure IO::AIO
		4063
2918	IO::AIO::min_parallel 8;	4064	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4065	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4066	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4067	}
2931		4068
2932	my $_log_backtrace;	4069	my $_log_backtrace;
2933		4070
2934	sub _log_backtrace {	4071	sub _log_backtrace {
…		…
2937	$msg =~ s/\n//;	4074	$msg =~ s/\n//;
2938		4075
2939	# limit the # of concurrent backtraces	4076	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4077	if ($_log_backtrace < 2) {
2941	++$_log_backtrace;	4078	++$_log_backtrace;
		4079	my $perl_bt = Carp::longmess $msg;
2942	async {	4080	async {
		4081	$Coro::current->{desc} = "abt $msg";
		4082
2943	my @bt = fork_call {	4083	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4084	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4085	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4086	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4087	or die "addr2line: $!";
…		…
2955	}	4095	}
2956		4096
2957	@funcs	4097	@funcs
2958	};	4098	};
2959		4099
2960	LOG llevInfo, "[ABT] $msg\n";	4100	LOG llevInfo, "[ABT] $perl_bt\n";
		4101	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4102	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4103	--$_log_backtrace;
2963	};	4104	};
2964	} else {	4105	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4106	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4107	LOG llevInfo, "[ABT] [suppressed]\n";
2967	}	4108	}
2968	}	4109	}
2969		4110
2970	# load additional modules	4111	# load additional modules
2971	use cf::pod;	4112	require "cf/$_.pm" for @EXTRA_MODULES;
		4113	cf::_connect_to_perl_2;
2972		4114
2973	END { cf::emergency_save }	4115	END { cf::emergency_save }
2974		4116
2975	1	4117	1
2976		4118

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