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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
95	binmode STDOUT;	151	binmode STDOUT;
96	binmode STDERR;	152	binmode STDERR;
97		153
98	# read virtual server time, if available	154	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
103	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
104		162
105	mkdir $_	163	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		165
108	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
109		167
110	sub cf::map::normalise;	168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		184
112	#############################################################################	185	#############################################################################
113		186
114	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
115		188
…		…
139		212
140	=item $cf::TICK	213	=item $cf::TICK
141		214
142	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
143		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
144	=item %cf::CFG	227	=item %cf::CFG
145		228
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	230	from wherever your confdir points to.
148		231
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		233
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
155	=back	250	=back
156		251
157	=cut	252	=cut
158		253
159	BEGIN {	254	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	255	my $msg = join "", @_;
162		256
163	$msg .= "\n"	257	$msg .= "\n"
164	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
165		259
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		261
168	utf8::encode $msg;
169	LOG llevError, $msg;	262	LOG llevError, $msg;
170	};	263	};
171	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
172		278
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		286
180	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	288	# within the Safe compartment.
182	for my $pkg (qw(	289	for my $pkg (qw(
183	cf::global cf::attachable	290	cf::global cf::attachable
184	cf::object cf::object::player	291	cf::object cf::object::player
185	cf::client cf::player	292	cf::client cf::player
186	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
187	cf::map cf::party cf::region	295	cf::party cf::region
188	)) {	296	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	298	}
192		299
193	$Event::DIED = sub {	300	$EV::DIED = sub {
194	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
195	};	302	};
		303
		304	#############################################################################
196		305
197	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
198		307
199	=over 4	308	=over 4
200		309
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	329	$d
221	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
222	}	331	}
223		332
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
227		334
228	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
229		336
230	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
231		338
232	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
233		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
234	=item cf::lock_wait $string	362	=item cf::lock_wait $string
235		363
236	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
237		365
238	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
239		367
240	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
243	returned.	371	returned.
244		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
245	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
247		378
248	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
249		380
250	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
251		382
252	=cut	383	=cut
253		384
254	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
255		386
256	sub lock_wait($) {	387	sub lock_wait($) {
257	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	389	}
265		390
266	sub lock_acquire($) {	391	sub lock_acquire($) {
267	my ($key) = @_;	392	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	393	}
279		394
280	sub lock_active($) {	395	sub lock_active($) {
281	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	397	}
285		398
286	sub freeze_mainloop {	399	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
288		401
289	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
291	};	469	}
292	$TICK_WATCHER->stop;	470	};
293	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
294	}	485	}
295		486
296	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
297		488
298	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		494
304	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
305		496
306	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
307		498
308	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
311		503
312	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
315	fast or be very important.	507	fast or be very important.
…		…
318		510
319	sub sync_job(&) {	511	sub sync_job(&) {
320	my ($job) = @_;	512	my ($job) = @_;
321		513
322	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
323	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
325		519
326	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	521
328	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
329		523
330	my $busy = 1;	524	my $busy = 1;
331	my @res;	525	my @res;
332		526
333	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	529	@res = eval { $job->() };
335	warn $@ if $@;	530	warn $@ if $@;
336	undef $busy;	531	undef $busy;
337	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
338		533
339	while ($busy) {	534	while ($busy) {
340	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
341	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
342		545
343	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
344	} else {	547	} else {
345	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
346		549
…		…
366	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
367		570
368	$coro	571	$coro
369	}	572	}
370		573
371	sub write_runtime {	574	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		575
374	my $runtime = "$LOCALDIR/runtime";	576	Executes the given code block with the given arguments in a seperate
		577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
375		580
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	581	=cut
377	or return;
378		582
379	my $value = $cf::RUNTIME + 90 + 10;	583	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	584	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		585
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	586	# we seemingly have to make a local copy of the whole thing,
384	and return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
385		589
386	# always fsync - this file is important	590	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	591	reset_signals;
388	and return;	592	&$cb
		593	}, @args;
389		594
390	close $fh	595	wantarray ? @res : $res[-1]
391	or return;	596	}
392		597
393	aio_rename "$runtime~", $runtime	598	sub objinfo {
394	and return;
395
396	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
397	}	761	}
398		762
399	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
400		764
401	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		777
414	#############################################################################	778	#############################################################################
415		779
416	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
417		781
418	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
421		785
422	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	788	Deliantra).
425		789
426	=over 4	790	=over 4
427		791
428	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
429		793
…		…
473	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
474		838
475	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
477		841
478	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
480		844
481	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
482		846
483	=over 4	847	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
593		957
594	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		962
599	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	964	my $pkg = shift @arg;
601		965
602	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
632	}	996	}
633		997
634	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
635	} else {	999	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	1001	}
638		1002
639	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
640	}	1004	}
641		1005
…		…
643	if (ref $_[0]) {	1007	if (ref $_[0]) {
644	_object_attach @_;	1008	_object_attach @_;
645	} else {	1009	} else {
646	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
647	}	1011	}
		1012	_recalc_want;
648	};	1013	};
649		1014
650	# all those should be optimised	1015	# all those should be optimised
651	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1021	reattach ($obj);
657	} else {	1022	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
659	}	1024	}
		1025	_recalc_want;
660	};	1026	};
661		1027
662	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
664		1030
…		…
679	";	1045	";
680	die if $@;	1046	die if $@;
681	}	1047	}
682		1048
683	our $override;	1049	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1051
686	sub override {	1052	sub override {
687	$override = 1;	1053	$override = 1;
688	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
689	}	1055	}
690		1056
691	sub do_invoke {	1057	sub do_invoke {
692	my $event = shift;	1058	my $event = shift;
693	my $callbacks = shift;	1059	my $callbacks = shift;
694		1060
695	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
696		1062
697	local $override;	1063	local $override;
698		1064
699	for (@$callbacks) {	1065	for (@$callbacks) {
700	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
709	}	1075	}
710		1076
711	0	1077	0
712	}	1078	}
713		1079
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1081
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1083
718	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
719		1085
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1089
724	=back	1090	=back
725		1091
726	=cut	1092	=cut
727		1093
728	#############################################################################	1094	#############################################################################
729	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
730		1138
731	sub reattach {	1139	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1141	my ($obj) = @_;
734		1142
		1143	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1145
737	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
738		1147
739	@$registry = ();	1148	@$registry = ();
740		1149
…		…
755	cf::attachable->attach (	1164	cf::attachable->attach (
756	prio => -1000000,	1165	prio => -1000000,
757	on_instantiate => sub {	1166	on_instantiate => sub {
758	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
759		1168
760	$data = from_json $data;	1169	$data = decode_json $data;
761		1170
762	for (@$data) {	1171	for (@$data) {
763	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
764		1173
765	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1190	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
783		1192
784	sync_job {	1193	sync_job {
785	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
788		1198
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
793	close $fh;	1206	aio_close $fh;
794		1207
795	if (@$objs) {	1208	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
801	close $fh;	1217	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
803	}	1219	}
804	} else {	1220	} else {
805	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
806	}	1222	}
807		1223
808	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1228	} else {
810	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
811	}	1230	}
812	} else {	1231	} else {
813	aio_unlink $filename;	1232	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
815	}	1234	}
816	}	1235	};
817	}	1236	}
818		1237
819	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
821		1240
…		…
833	or return;	1252	or return;
834		1253
835	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
837	or return;	1256	or return;
		1257
838	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
839	}	1260	}
840		1261
		1262	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
843	return ($data, $av);	1266	($data, $av)
844	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
845		1274
846	#############################################################################	1275	#############################################################################
847	# command handling &c	1276	# command handling &c
848		1277
849	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1292	}
864		1293
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1295
867	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
868		1301
869	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
870	called.	1303	called.
871		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
872	=cut	1316	=cut
873		1317
874	sub register_extcmd {	1318	sub register_extcmd {
875	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
876		1320
877	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
878	}	1322	}
879		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
880	cf::player->attach (	1332	cf::player->attach (
881	on_command => sub {	1333	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
883		1335
884	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
885	or return;	1337	or return;
886		1338
…		…
891	cf::override;	1343	cf::override;
892	},	1344	},
893	on_extcmd => sub {	1345	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
895		1347
896	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1349
898	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
904	} else {	1365	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1367	}
907		1368
908	cf::override;	1369	cf::override;
909	},	1370	},
910	);	1371	);
911		1372
		1373	# "readahead" all extensions
912	sub load_extension {	1374	sub cache_extensions {
913	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
914		1376
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1380	}
940	die $@;
941	}	1381	};
942		1382
943	push @EXTS, $pkg;	1383	$grp
944	}	1384	}
945		1385
946	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
947	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1391	next unless -r $path;
949	eval {	1392
950	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
951	1	1456	}
952	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
953	}	1467	};
954	}	1468	}
955		1469
956	#############################################################################	1470	#############################################################################
957		1471
		1472	=back
		1473
958	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
959		1475
960	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
961		1477
962	=cut	1478	=cut
963		1479
964	package cf::player;	1480	package cf::player;
965		1481
966	use Coro::AIO;	1482	use Coro::AIO;
967		1483
968	=head3 cf::player	1484	=head3 cf::player
969		1485
970	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
971		1501
972	=item cf::player::find $login	1502	=item cf::player::find $login
973		1503
974	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
975		1505
…		…
994		1524
995	sub exists($) {	1525	sub exists($) {
996	my ($login) = @_;	1526	my ($login) = @_;
997		1527
998	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1000	}	1530	}
1001		1531
1002	sub find($) {	1532	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1534	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1545
1016	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1019	}	1555	}
1020	}	1556	}
1021	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1022		1571
1023	sub save($) {	1572	sub save($) {
1024	my ($pl) = @_;	1573	my ($pl) = @_;
1025		1574
1026	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1032		1581
1033	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1035		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1036	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1037	Coro::cede;	1591	cf::cede_to_tick;
1038	}	1592	}
1039		1593
1040	sub new($) {	1594	sub new($) {
1041	my ($login) = @_;	1595	my ($login) = @_;
1042		1596
…		…
1048	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1049		1603
1050	$self	1604	$self
1051	}	1605	}
1052		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1053	=item $pl->quit_character	1617	=item $pl->quit_character
1054		1618
1055	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1057		1621
…		…
1061	my ($pl) = @_;	1625	my ($pl) = @_;
1062		1626
1063	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1064		1628
1065	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1631
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1072		1638
1073	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1676	or return [];
1111		1677
1112	my @logins;	1678	my @logins;
1113		1679
1114	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1118		1690
1119	utf8::decode $login;	1691	utf8::decode $login;
1120	push @logins, $login;	1692	push @logins, $login;
1121	}	1693	}
1122		1694
…		…
1149	}	1721	}
1150		1722
1151	\@paths	1723	\@paths
1152	}	1724	}
1153		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1154	=item $player->ext_reply ($msgid, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1155		1731
1156	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1157		1733
1158	=cut	1734	=cut
1159		1735
1160	sub ext_reply($$%) {	1736	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1162		1738
1163	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1740	}
1167		1741
1168	=item $player->ext_event ($type, %msg)	1742	=item $player->ext_msg ($type, @msg)
1169		1743
1170	Sends an ext event to the client.	1744	Sends an ext event to the client.
1171		1745
1172	=cut	1746	=cut
1173		1747
1174	sub ext_event($$%) {	1748	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1749	my ($self, $type, @msg) = @_;
1176		1750
1177	$self->ns->ext_event ($type, %msg);	1751	$self->ns->ext_msg ($type, @msg);
1178	}	1752	}
1179		1753
1180	=head3 cf::region	1754	=head3 cf::region
1181		1755
1182	=over 4	1756	=over 4
…		…
1185		1759
1186	package cf::region;	1760	package cf::region;
1187		1761
1188	=item cf::region::find_by_path $path	1762	=item cf::region::find_by_path $path
1189		1763
1190	Tries to decuce the probable region for a map knowing only its path.	1764	Tries to decuce the likely region for a map knowing only its path.
1191		1765
1192	=cut	1766	=cut
1193		1767
1194	sub find_by_path($) {	1768	sub find_by_path($) {
1195	my ($path) = @_;	1769	my ($path) = @_;
1196		1770
1197	my ($match, $specificity);	1771	my ($match, $specificity);
1198		1772
1199	for my $region (list) {	1773	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1774	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1775	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1776	if $region->specificity > $specificity;
1203	}	1777	}
1204	}	1778	}
1205		1779
…		…
1226	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1228		1802
1229	sub generate_random_map {	1803	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1231	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1809	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1269	my ($self, $merge) = @_;	1846	my ($self, $merge) = @_;
1270		1847
1271	# we have to keep some variables in memory intact	1848	# we have to keep some variables in memory intact
1272	local $self->{path};	1849	local $self->{path};
1273	local $self->{load_path};	1850	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1851
1277	$self->SUPER::thawer_merge ($merge);	1852	$self->SUPER::thawer_merge ($merge);
1278	}	1853	}
1279		1854
1280	sub normalise {	1855	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1328	return $self;	1903	return $self;
1329	}	1904	}
1330	}	1905	}
1331		1906
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1908	()
1334	}	1909	}
1335		1910
1336	sub init {	1911	sub init {
1337	my ($self) = @_;	1912	my ($self) = @_;
…		…
1359		1934
1360	# the temporary/swap location	1935	# the temporary/swap location
1361	sub save_path {	1936	sub save_path {
1362	my ($self) = @_;	1937	my ($self) = @_;
1363		1938
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1366	}	1941	}
1367		1942
1368	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1369	sub uniq_path {	1944	sub uniq_path {
1370	my ($self) = @_;	1945	my ($self) = @_;
1371		1946
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1948	"$UNIQUEDIR/$path"
1374	}	1949	}
1375		1950
1376	# and all this just because we cannot iterate over	1951	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1952	my ($self) = @_;
1380		1953
1381	$_->change_map_light ($change)	1954	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1955
		1956	$self->do_decay_objects;
1383	}	1957	}
1384		1958
1385	sub unlink_save {	1959	sub unlink_save {
1386	my ($self) = @_;	1960	my ($self) = @_;
1387		1961
…		…
1392		1966
1393	sub load_header_from($) {	1967	sub load_header_from($) {
1394	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1395		1969
1396	utf8::encode $path;	1970	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1402		1979
1403	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1404		1981
1405	1	1982	1
1406	}	1983	}
…		…
1445	$self->load_header_orig	2022	$self->load_header_orig
1446	or return;	2023	or return;
1447	$self->prepare_orig;	2024	$self->prepare_orig;
1448	}	2025	}
1449		2026
		2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
		2029
1450	$self->default_region (cf::region::find_by_path $self->{path})	2030	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2031	unless $self->default_region;
1452		2032
1453	1	2033	1
1454	}	2034	}
…		…
1457	sub find {	2037	sub find {
1458	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1459		2039
1460	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1461		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2044
1464	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1467	or return;	2047	or return;
1468		2048
1469	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1470		2050
1471	$map->load_header	2051	$map->load_header
1472	or return;	2052	or return;
1473		2053
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1477	$map->reset;	2059	$map->reset;
1478	undef $guard;
1479	return find $path;	2060	return find $path;
1480	}	2061	}
1481		2062
1482	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1483	}	2064	}
1484	}	2065	}
1485		2066
1486	sub pre_load { }	2067	sub pre_load { }
1487	sub post_load { }	2068	#sub post_load { } # XS
1488		2069
1489	sub load {	2070	sub load {
1490	my ($self) = @_;	2071	my ($self) = @_;
1491		2072
1492	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1493		2074
1494	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1496		2079
		2080	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2082
1499	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1500		2084
1501	$self->alloc;	2085	$self->alloc;
1502		2086
1503	$self->pre_load;	2087	$self->pre_load;
1504	Coro::cede;	2088	cf::cede_to_tick;
1505		2089
1506	$self->_load_objects ($self->{load_path}, 1)	2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1507	or return;	2093	or return;
1508		2094
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1510	if delete $self->{load_original};	2096	if delete $self->{load_original};
1511		2097
1512	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2099	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2102	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1517	}	2106	}
1518	}	2107	}
1519		2108
1520	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1521	# now do the right thing for maps	2112	# now do the right thing for maps
1522	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2115	unless $self->difficulty;
1533	Coro::cede;	2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1534	$self->activate;	2123	$self->activate;
1535	Coro::cede;	2124	}
		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
		2129	$self->in_memory (cf::MAP_ACTIVE);
1536	}	2130	}
1537		2131
1538	$self->post_load;	2132	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2133	}
1543		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1544	sub customise_for {	2138	sub customise_for {
1545	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1546		2140
1547	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2142	if $self->per_player;
1549		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1550	$self	2147	$self
1551	}	2148	}
1552		2149
1553	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2151	sub load_neighbours {
1555	my ($map) = @_;	2152	my ($map) = @_;
1556		2153
1557	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1558		2155
1559	for (0 .. 3) {	2156	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1561	or next;	2158	or next;
1562	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1563	or next;	2160	or next;
1564	$neigh->load;	2161	$neigh->load;
1565		2162
		2163	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2166	}
1569		2167
1570	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1572	or next;	2171	or next;
1573	$neigh->load;	2172	$neigh->load;
1574	}	2173	}
1575	}	2174	}
1576		2175
…		…
1581	}	2180	}
1582		2181
1583	sub do_load_sync {	2182	sub do_load_sync {
1584	my ($map) = @_;	2183	my ($map) = @_;
1585		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1586	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1587	}	2189	}
1588		2190
1589	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1591		2193
1592	sub find_async {	2194	sub find_async {
1593	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1594		2196
1595	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1596		2198
1597	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599	}	2201	}
1600		2202
1601	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1602	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1603	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2210	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2211	$map->load if $v;
		2212	}
1608		2213
1609	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1610	}	2215	}
1611	}	2216	}
1612	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1613	};	2218	};
1614	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1615		2220
1616	()	2221	()
1617	}	2222	}
1618		2223
		2224	# common code, used by both ->save and ->swapout
1619	sub save {	2225	sub _save {
1620	my ($self) = @_;	2226	my ($self) = @_;
1621
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1623		2227
1624	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1625		2229
1626	return unless $self->dirty;	2230	return unless $self->dirty;
1627		2231
…		…
1633	return if $self->{deny_save};	2237	return if $self->{deny_save};
1634		2238
1635	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1636		2240
1637	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1639	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1640		2247
1641	if ($uniq) {	2248	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1644	} else {	2251	} else {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646	}	2253	}
1647	}	2254	}
1648		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1649	sub swap_out {	2264	sub swap_out {
1650	my ($self) = @_;	2265	my ($self) = @_;
1651		2266
1652	# save first because save cedes
1653	$self->save;
1654
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1657	return if $self->players;	2271	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};
1660		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1661	$self->clear;	2282	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2283	}
1664		2284
1665	sub reset_at {	2285	sub reset_at {
1666	my ($self) = @_;	2286	my ($self) = @_;
1667		2287
1668	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1671		2290
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2293
…		…
1685	my ($self) = @_;	2304	my ($self) = @_;
1686		2305
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2307
1689	return if $self->players;	2308	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2309
1692	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
1693		2311
1694	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
1695		2313
1696	# need to save uniques path	2314	# need to save uniques path
1697	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2319	if $uniq;
1702	}	2320	}
1703		2321
1704	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1705		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2326	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2327
1710	$self->unlink_save;	2328	$self->unlink_save;
1711	$self->destroy;	2329	$self->destroy;
1712	}	2330	}
1713		2331
1714	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1715		2333
1716	sub nuke {	2334	sub nuke {
1717	my ($self) = @_;	2335	my ($self) = @_;
1718		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1719	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1720		2341
1721	$self->unlink_save;	2342	$self->unlink_save;
1722		2343
1723	bless $self, "cf::map";	2344	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2349
1729	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1730		2352
1731	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
		2354	}
		2355
		2356	=item $maps = cf::map::tmp_maps
		2357
		2358	Returns an arrayref with all map paths of currently instantiated and saved
		2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
		2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
		2373
		2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1732	}	2390	}
1733		2391
1734	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1735		2393
1736	Returns an arrayref of paths of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2395	instantiated unique items. May block.
1738		2396
1739	=cut	2397	=cut
1740		2398
1741	sub unique_maps() {	2399	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2400	[
1743	or return;	2401	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2402	utf8::decode $_;
1749	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1750	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751		2405	? ()
1752	push @paths, cf::map::normalise $_;	2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2408	]
1754
1755	\@paths
1756	}	2409	}
1757		2410
1758	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1759		2442
1760	=back	2443	=back
1761		2444
1762	=head3 cf::object	2445	=head3 cf::object
1763		2446
…		…
1767		2450
1768	=over 4	2451	=over 4
1769		2452
1770	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1771		2454
1772	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1773		2457
1774	=cut	2458	=cut
1775		2459
1776	sub inv_recursive_;	2460	sub inv_recursive_;
1777	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1780		2464
1781	sub inv_recursive {	2465	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1783	}	2467	}
1784		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1785	package cf;	2497	package cf;
1786		2498
1787	=back	2499	=back
1788		2500
1789	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1795	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1797	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1798		2510
1799	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1800		2526
1801	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1802	# with dialog boxes.	2528	# with dialog boxes.
1803	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1804	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1806		2532
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2534
1809	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1811	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1814	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1815	}	2560	}
1816		2561
1817	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1818		2563
1819	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1832		2577
1833	=item $player_object->enter_link	2578	=item $player_object->enter_link
1834		2579
1835	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1836		2581
1837	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1838	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1839		2586
1840	Will never block.	2587	Will never block.
1841		2588
1842	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1843		2590
…		…
1866	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1867		2614
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2616
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1872		2619
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1874	}	2621	}
1875		2622
1876	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1878		2627
1879	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1880		2629
1881	unless ($map) {	2630	unless ($map) {
1882	# restore original map position	2631	# restore original map position
…		…
1893	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1894	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1895		2644
1896	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1899		2648
1900	$map->load;	2649	$map->load;
1901	$map->load_diag;	2650	$map->load_neighbours;
1902		2651
1903	return unless $self->contr->active;	2652	return unless $self->contr->active;
1904	$self->activate_recursive;
1905		2653
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
1908	}
1909		2656
1910	cf::player->attach (	2657	# only activate afterwards, to support waiting in hooks
1911	on_logout => sub {	2658	$self->activate_recursive;
1912	my ($pl) = @_;	2659	}
1913		2660
1914	# abort map switching before logout	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2662
1924	# try to abort aborted map switching on player login :)	2663	Moves the player to the given map-path and coordinates by first freezing
1925	# should happen only on crashes	2664	her, loading and preparing them map, calling the provided $check callback
1926	if ($pl->ob->{_link_pos}) {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1927	$pl->ob->enter_link;	2666	the new (success) or old (failed) map position. In either case, $done will
1928	(async {	2667	be called at the end of this process.
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941		2668
1942	=item $player_object->goto ($path, $x, $y)	2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
1943		2671
1944	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1945		2675
1946	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
		2678
		2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2681
1949	$self->enter_link;	2682	$self->enter_link;
1950		2683
1951	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
1952	my $map = eval {	2706	my $map = eval {
1953	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
		2711	$map = $check->($map) if $check && $map;
		2712	} else {
		2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
		2715
1955	$map	2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2722	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1960	})->prio (1);	2730	})->prio (1);
1961	}	2731	}
1962		2732
1963	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1964		2734
…		…
1984	}	2754	}
1985		2755
1986	sub prepare_random_map {	2756	sub prepare_random_map {
1987	my ($exit) = @_;	2757	my ($exit) = @_;
1988		2758
1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
1992	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
1993	# that depends on the exit object	2761	# that depends on the exit object
1994		2762
1995	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
1997	if ($exit->map) {	2765	if ($exit->map) {
1998	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
1999	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2000	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2001	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2002	}	2772	}
2003		2773
2004	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2005		2775
2006	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2009		2779
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2012	undef $fh;	2782	undef $fh;
2013	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2014		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2015	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2016	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2017	}	2791	}
2018	}	2792	}
2019		2793
2020	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2021	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2022		2796
2023	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2024		2798
2025	if ($exit->slaying eq "/!") {
2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
2027	# the problem is that $exit might not survive long enough
2028	# so it needs to be done right now, right here
2029	cf::sync_job { prepare_random_map $exit };
2030	}
2031
2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;
2035
2036	$self->enter_link;	2799	$self->enter_link;
2037		2800
2038	(async {	2801	(async {
2039	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2040	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2041	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2042		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2043	1;	2825	1
2044	}) {	2826	}) {
2045	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2046	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2047	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2048	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2049		2831
2050	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2069		2851
2070	utf8::encode $text;	2852	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2854	}
2073		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
2074	=item $client->ext_event ($type, %msg)	3043	=item $client->ext_msg ($type, @msg)
2075		3044
2076	Sends an exti event to the client.	3045	Sends an ext event to the client.
2077		3046
2078	=cut	3047	=cut
2079		3048
2080	sub cf::client::ext_event($$%) {	3049	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	3050	my ($self, $type, @msg) = @_;
2082		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	3055	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
2085	}	3076	}
2086		3077
2087	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2088		3079
2089	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		3083
2093	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	3085	become reliable at some point in the future.
2095		3086
2096	=cut	3087	=cut
2097		3088
2098	sub cf::client::query {	3089	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	3098	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		3100
2110	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
2112	}	3105	}
2113		3106
2114	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
2115	on_reply => sub {	3113	on_reply => sub {
2116	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
2117		3115
2118	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
2119	# get handled first	3117	# get handled first
…		…
2131	} else {	3129	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	3131	}
2134	}	3132	}
2135	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
2136	);	3160	);
2137		3161
2138	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
2139		3163
2140	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
2156		3180
2157	$coro	3181	$coro
2158	}	3182	}
2159		3183
2160	cf::client->attach (	3184	cf::client->attach (
2161	on_destroy => sub {	3185	on_client_destroy => sub {
2162	my ($ns) = @_;	3186	my ($ns) = @_;
2163		3187
2164	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165	},	3189	},
2166	);	3190	);
…		…
2181	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2183		3207
2184	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2185		3209
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2187		3215
2188	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2189		3217
2190	=pod	3218	=pod
2191		3219
2192	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2193		3221
2194	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2195	cf::object::player player	3227	cf::object::player
2196	cf::player peaceful	3228	player
2197	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2198		3235
2199	=cut	3236	=cut
2200		3237
2201	for (	3238	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2203	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2205	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2206	) {	3245	) {
2207	no strict 'refs';	3246	no strict 'refs';
2208	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2209	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2227		3266
2228	my $qcode = $code;	3267	my $qcode = $code;
2229	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2230	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2231		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2232	local $_;	3274	local $_;
2233	local @safe::cf::_safe_eval_args = values %vars;
2234		3275
2235	my $eval =	3276	my $eval =
2236	"do {\n"	3277	"do {\n"
2237	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2239	. $code	3280	. $code
2240	. "\n}"	3281	. "\n}"
2241	;	3282	;
2242		3283
		3284	if ($CFG{safe_eval}) {
2243	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2244	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2246		3293
2247	if ($@) {	3294	if ($@) {
2248	warn "$@";	3295	warn "$@";
2249	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2250	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2269	=cut	3316	=cut
2270		3317
2271	sub register_script_function {	3318	sub register_script_function {
2272	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2273		3320
2274	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2275	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2276	}	3323	}
2277		3324
2278	=back	3325	=back
2279		3326
2280	=cut	3327	=cut
2281
2282	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454		3328
2455	#############################################################################	3329	#############################################################################
2456	# the server's init and main functions	3330	# the server's init and main functions
2457		3331
2458	sub load_facedata($) {	3332	sub load_facedata($) {
2459	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3340
2461	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2462		3342
2463	my $facedata;	3343	my $facedata;
2464	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2468		3348
2469	$facedata->{version} == 2	3349	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2472	{	3361	{
2473	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2474		3363
2475	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480	Coro::cede;	3371
		3372	cf::cede_to_tick;
2481	}	3373	}
2482		3374
2483	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2485	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2486	or next;	3379	or next;
		3380
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3384	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3386	}
2492	Coro::cede;	3387
		3388	cf::cede_to_tick;
2493	}	3389	}
2494	}	3390	}
2495		3391
2496	{	3392	{
2497	my $anims = $facedata->{animinfo};	3393	my $anims = $facedata->{animinfo};
2498		3394
2499	while (my ($anim, $info) = each %$anims) {	3395	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3397	cf::cede_to_tick;
2502	}	3398	}
2503		3399
2504	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2505	}	3401	}
2506		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
2507	1	3422	1
2508	}	3423	}
2509		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2510	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2511	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2513	}	3475	}
2514		3476
2515	sub reload_facedata {	3477	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2528	}	3490	}
2529		3491
2530	sub reload_resources {	3492	sub reload_resources {
2531	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2532		3494
2533	reload_regions;
2534	reload_facedata;	3495	reload_facedata;
2535	reload_archetypes;	3496	reload_archetypes;
		3497	reload_regions;
2536	reload_treasures;	3498	reload_treasures;
2537		3499
2538	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
2539	}	3501	}
2540		3502
2541	sub init {	3503	sub reload_config {
2542	reload_resources;	3504	warn "reloading config file...\n";
2543	}
2544		3505
2545	sub cfg_load {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3507	or return;
2548		3508
2549	local $/;	3509	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2551		3511
2552	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553		3513
2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2560	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2561	};	3521	};
2562	warn $@ if $@;	3522	warn $@ if $@;
2563	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2564	}	3554	}
2565		3555
2566	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2567	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3569	(async {
2571	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2573	};	3573	};
2574		3574
2575	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
2576	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2577	load_extensions;	3598	load_extensions;
2578		3599
2579	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2580	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2581	}	3613	}
2582		3614
2583	#############################################################################	3615	#############################################################################
2584	# initialisation and cleanup	3616	# initialisation and cleanup
2585		3617
2586	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2587	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2596	},
2597	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2598	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2599	}	3714	}
2600		3715
2601	sub emergency_save() {	3716	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2603		3718
2604	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2605		3720
2606	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2607	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2608	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2609	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2611	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3735	$pl->save;
2615	}	3736	}
2616	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2617		3738
2618	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2619	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2620	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2621	$map->valid or next;	3742	$map->valid or next;
2622	$map->save;	3743	$map->save;
2623	}	3744	}
2624	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2625		3746
2626	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2627	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2628	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2629	};	3754	};
2630		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2631	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2632	}	3762	}
2633		3763
2634	sub post_cleanup {	3764	sub post_cleanup {
2635	my ($make_core) = @_;	3765	my ($make_core) = @_;
2636		3766
2637	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
2638	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
2639	}	3797	}
2640		3798
2641	sub do_reload_perl() {	3799	sub do_reload_perl() {
2642	# can/must only be called in main	3800	# can/must only be called in main
2643	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2644	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2645	return;	3803	return;
2646	}	3804	}
2647		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2648	warn "reloading...";	3811	warn "reloading...";
2649		3812
2650	warn "entering sync_job";	3813	warn "entering sync_job";
2651		3814
2652	cf::sync_job {	3815	cf::sync_job {
2653	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
2654	cf::emergency_save;	3817	cf::emergency_save;
2655	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
2656		3819
2657	warn "syncing database to disk";	3820	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3822
2660	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2661		3824
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2668	for (;;) {
2669	BDB::flush;
2670	IO::AIO::flush;
2671	Coro::cede;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2673	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2674	}
2675
2676	++$RELOAD;
2677
2678	warn "cancelling all extension coros";
2679	$_->cancel for values %EXT_CORO;
2680	%EXT_CORO = ();
2681
2682	warn "removing commands";
2683	%COMMAND = ();
2684
2685	warn "removing ext commands";
2686	%EXTCMD = ();
2687
2688	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";
2691
2692	if (my $cb = $pkg->can ("unload")) {
2693	eval {
2694	$cb->($pkg);
2695	1
2696	} or warn "$pkg unloaded, but with errors: $@";
2697	}	3828	}
2698		3829
2699	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2700	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2701	}	3832	%EXT_CORO = ();
2702		3833
2703	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2704	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2707	warn "... unloading $k";	3843	warn "... unloading $pkg";
2708	delete $INC{$k};
2709		3844
2710	$k =~ s/\.pm$//;
2711	$k =~ s/\//::/g;
2712
2713	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2714	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2715	}	3854	}
2716		3855
2717	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2718	}	3871	}
2719		3872
2720	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2721	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723		3876
2724	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2725	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
2726	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727		3880
2728	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2729	# and global variables created in xs	3882	# and global variables created in xs
2730	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2731		3884
2732	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2733		3886
2734	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2735	require cf;	3888	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2737		3890
2738	warn "loading config and database again";	3891	warn "loading config and database again";
2739	cf::cfg_load;	3892	cf::reload_config;
2740		3893
2741	warn "loading extensions";	3894	warn "loading extensions";
2742	cf::load_extensions;	3895	cf::load_extensions;
2743		3896
		3897	if ($REATTACH_ON_RELOAD) {
2744	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2745	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
2746	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2747	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
2748	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
2749	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
2750		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
2751	warn "leaving sync_job";	3909	warn "leaving sync_job";
2752		3910
2753	1	3911	1
2754	} or do {	3912	} or do {
2755	warn $@;	3913	warn $@;
2756	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
2757	exit 1;
2758	};	3915	};
2759		3916
2760	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
2761	};	3923	};
2762		3924
2763	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
2764		3926
2765	sub reload_perl() {	3927	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
2768		3930
2769	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
2770	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
2771	after => 0,	3933
2772	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773	cb => sub {
2774	do_reload_perl;	3935	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
2776	},	3937	};
2777	);	3938	};
2778	}	3939	}
2779		3940
2780	register_command "reload" => sub {	3941	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2782		3943
2783	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3948	reload_perl;
		3949	};
2786	}	3950	}
2787	};	3951	};
2788		3952
2789	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2790		3954
…		…
2792		3956
2793	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
2794	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
2795		3959
2796	sub wait_for_tick {	3960	sub wait_for_tick {
2797	return unless $TICK_WATCHER->is_active;
2798	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799		3962
2800	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
2801	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
2802	$signal->wait;	3965	$signal->wait;
2803	}	3966	}
2804		3967
2805	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
2806	return unless $TICK_WATCHER->is_active;
2807	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808		3970
2809	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3973	$signal->wait;
2812	}	3974	}
2813		3975
2814	$TICK_WATCHER = Event->timer (	3976	sub tick {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
2824	return;	3980	return;
2825	}	3981	}
2826		3982
2827	$NOW = Event::time;
2828
2829	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2830		3984
2831	$RUNTIME += $TICK;	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832	$NEXT_TICK += $TICK;
2833		3986
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3989	Coro::async_pool {
		3990	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3991	write_runtime_sync
2838	or warn "ERROR: unable to write runtime file: $!";	3992	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3993	};
		3994	}
2841		3995
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3997	$sig->send;
2853	}	3998	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	4000	$sig->send;
2856	}
2857
2858	_post_tick;
2859	},	4001	}
2860	);	4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
		4012	}
		4013	}
2861		4014
2862	{	4015	{
2863	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	4017
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
2873		4019	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		4021
2889	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		4029
2892	cf::sync_job {	4030	cf::sync_job {
2893	eval {	4031	eval {
2894	BDB::db_env_open	4032	BDB::db_env_open
2895	$DB_ENV,	4033	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	4037	0666;
2900		4038
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	4040	};
2906		4041
2907	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	4043	};
2909	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
2910	}	4055	}
2911		4056
2912	{	4057	{
		4058	# configure IO::AIO
		4059
2913	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
2918	reentrant => 0,	4063	}
2919	data => WF_AUTOCANCEL,	4064
2920	fd => IO::AIO::poll_fileno,	4065	my $_log_backtrace;
2921	poll => 'r',	4066
2922	prio => 6,	4067	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	4068	my ($msg, @addr) = @_;
2924	);	4069
		4070	$msg =~ s/\n//;
		4071
		4072	# limit the # of concurrent backtraces
		4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
		4104	}
2925	}	4105	}
2926		4106
2927	# load additional modules	4107	# load additional modules
2928	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2929		4110
2930	END { cf::emergency_save }	4111	END { cf::emergency_save }
2931		4112
2932	1	4113	1
2933		4114

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