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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.514 by root, Mon Apr 12 17:13:36 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	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111		180
112	#############################################################################	181	#############################################################################
113		182
114	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
115		184
…		…
139		208
140	=item $cf::TICK	209	=item $cf::TICK
141		210
142	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
143		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
144	=item %cf::CFG	223	=item %cf::CFG
145		224
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	226	from wherever your confdir points to.
148		227
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		229
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	230	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	231	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.	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
155	=back	246	=back
156		247
157	=cut	248	=cut
158		249
159	BEGIN {	250	$Coro::State::WARNHOOK = sub {
160	*CORE::GLOBAL::warn = sub {
161	my $msg = join "", @_;	251	my $msg = join "", @_;
162		252
163	$msg .= "\n"	253	$msg .= "\n"
164	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
165		255
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		257
168	utf8::encode $msg;
169	LOG llevError, $msg;	258	LOG llevError, $msg;
170	};	259	};
171	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
172		274
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		282
180	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	284	# within the Safe compartment.
182	for my $pkg (qw(	285	for my $pkg (qw(
183	cf::global cf::attachable	286	cf::global cf::attachable
184	cf::object cf::object::player	287	cf::object cf::object::player
185	cf::client cf::player	288	cf::client cf::player
186	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
187	cf::map cf::party cf::region	291	cf::party cf::region
188	)) {	292	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	294	}
192		295
193	$Event::DIED = sub {	296	$EV::DIED = sub {
194	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
195	};	298	};
		299
		300	#############################################################################
196		301
197	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
198		303
199	=over 4	304	=over 4
200		305
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	325	$d
221	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
222	}	327	}
223		328
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
227		330
228	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
229		332
230	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
231		334
232	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
233		336
		337	=cut
		338
		339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		340
		341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
		356	}
		357
234	=item cf::lock_wait $string	358	=item cf::lock_wait $string
235		359
236	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
237		361
238	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
239		363
240	Wait until the given lock is available and then acquires it and returns	364	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,	365	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	366	for example when the coroutine gets canceled), the lock is automatically
243	returned.	367	returned.
244		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
245	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
247		374
248	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
249		376
250	Return true if the lock is currently active, i.e. somebody has locked it.	377	Return true if the lock is currently active, i.e. somebody has locked it.
251		378
252	=cut	379	=cut
253		380
254	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
255		382
256	sub lock_wait($) {	383	sub lock_wait($) {
257	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	385	}
265		386
266	sub lock_acquire($) {	387	sub lock_acquire($) {
267	my ($key) = @_;	388	$LOCKS->guard ($_[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	}	389	}
279		390
280	sub lock_active($) {	391	sub lock_active($) {
281	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	393	}
285		394
286	sub freeze_mainloop {	395	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
288		397
289	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
291	};	465	}
292	$TICK_WATCHER->stop;	466	};
293	$guard	467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
294	}	481	}
295		482
296	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
297		484
298	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		490
304	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
305		492
306	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
307		494
308	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
311		499
312	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
315	fast or be very important.	503	fast or be very important.
…		…
318		506
319	sub sync_job(&) {	507	sub sync_job(&) {
320	my ($job) = @_;	508	my ($job) = @_;
321		509
322	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
323	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
325		515
326	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	517
328	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
329		519
330	my $busy = 1;	520	my $busy = 1;
331	my @res;	521	my @res;
332		522
333	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	525	@res = eval { $job->() };
335	warn $@ if $@;	526	warn $@ if $@;
336	undef $busy;	527	undef $busy;
337	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
338		529
339	while ($busy) {	530	while ($busy) {
340	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
341	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
342		541
343	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
344	} else {	543	} else {
345	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
346		545
…		…
366	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
367		566
368	$coro	567	$coro
369	}	568	}
370		569
371	sub write_runtime {	570	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		571
374	my $runtime = "$LOCALDIR/runtime";	572	Executes the given code block with the given arguments in a seperate
		573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
375		576
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	577	=cut
377	or return;
378		578
379	my $value = $cf::RUNTIME + 90 + 10;	579	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	580	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		581
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	582	# we seemingly have to make a local copy of the whole thing,
384	and return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
385		585
386	# always fsync - this file is important	586	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	587	reset_signals;
388	and return;	588	&$cb
		589	}, @args;
389		590
390	close $fh	591	wantarray ? @res : $res[-1]
391	or return;	592	}
392		593
393	aio_rename "$runtime~", $runtime	594	sub objinfo {
394	and return;
395
396	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
397	}	757	}
398		758
399	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
400		760
401	Log a datalog packet of the given type with the given key-value pairs.	761	Log a datalog packet of the given type with the given key-value pairs.
…		…
413		773
414	#############################################################################	774	#############################################################################
415		775
416	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
417		777
418	Many objects in crossfire are so-called attachable objects. That means you can	778	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")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
421		781
422	In the following description, CLASS can be any of C<global>, C<object>	782	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	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	784	Deliantra).
425		785
426	=over 4	786	=over 4
427		787
428	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
429		789
…		…
473	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
474		834
475	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
477		837
478	Some classes such as crossfire maps and objects can specify attachments	838	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.	839	that are attached at load/instantiate time, thus the need for a name.
480		840
481	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
482		842
483	=over 4	843	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
593		953
594	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		958
599	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	960	my $pkg = shift @arg;
601		961
602	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
632	}	992	}
633		993
634	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
635	} else {	995	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	997	}
638		998
639	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
640	}	1000	}
641		1001
…		…
643	if (ref $_[0]) {	1003	if (ref $_[0]) {
644	_object_attach @_;	1004	_object_attach @_;
645	} else {	1005	} else {
646	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
647	}	1007	}
		1008	_recalc_want;
648	};	1009	};
649		1010
650	# all those should be optimised	1011	# all those should be optimised
651	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1017	reattach ($obj);
657	} else {	1018	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
659	}	1020	}
		1021	_recalc_want;
660	};	1022	};
661		1023
662	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
664		1026
…		…
679	";	1041	";
680	die if $@;	1042	die if $@;
681	}	1043	}
682		1044
683	our $override;	1045	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1047
686	sub override {	1048	sub override {
687	$override = 1;	1049	$override = 1;
688	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
689	}	1051	}
690		1052
691	sub do_invoke {	1053	sub do_invoke {
692	my $event = shift;	1054	my $event = shift;
693	my $callbacks = shift;	1055	my $callbacks = shift;
694		1056
695	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
696		1058
697	local $override;	1059	local $override;
698		1060
699	for (@$callbacks) {	1061	for (@$callbacks) {
700	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
709	}	1071	}
710		1072
711	0	1073	0
712	}	1074	}
713		1075
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1077
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1079
718	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
719		1081
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	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	1083	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1085
724	=back	1086	=back
725		1087
726	=cut	1088	=cut
727		1089
728	#############################################################################	1090	#############################################################################
729	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
730		1134
731	sub reattach {	1135	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1137	my ($obj) = @_;
734		1138
		1139	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1141
737	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
738		1143
739	@$registry = ();	1144	@$registry = ();
740		1145
…		…
755	cf::attachable->attach (	1160	cf::attachable->attach (
756	prio => -1000000,	1161	prio => -1000000,
757	on_instantiate => sub {	1162	on_instantiate => sub {
758	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
759		1164
760	$data = from_json $data;	1165	$data = decode_json $data;
761		1166
762	for (@$data) {	1167	for (@$data) {
763	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
764		1169
765	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1186	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
783		1188
784	sync_job {	1189	sync_job {
785	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
788		1194
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1198	if ($cf::USE_FSYNC) {
		1199	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;
		1200	aio_fsync $fh;
		1201	}
793	close $fh;	1202	aio_close $fh;
794		1203
795	if (@$objs) {	1204	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1209	if ($cf::USE_FSYNC) {
		1210	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;
		1211	aio_fsync $fh;
		1212	}
801	close $fh;	1213	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
803	}	1215	}
804	} else {	1216	} else {
805	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
806	}	1218	}
807		1219
808	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1224	} else {
810	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
811	}	1226	}
812	} else {	1227	} else {
813	aio_unlink $filename;	1228	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
815	}	1230	}
816	}	1231	};
817	}	1232	}
818		1233
819	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
821		1236
…		…
833	or return;	1248	or return;
834		1249
835	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
837	or return;	1252	or return;
		1253
838	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
839	}	1256	}
840		1257
		1258	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
843	return ($data, $av);	1262	($data, $av)
844	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
845		1270
846	#############################################################################	1271	#############################################################################
847	# command handling &c	1272	# command handling &c
848		1273
849	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1288	}
864		1289
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1291
867	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
868		1297
869	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
870	called.	1299	called.
871		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
872	=cut	1312	=cut
873		1313
874	sub register_extcmd {	1314	sub register_extcmd {
875	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
876		1316
877	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
878	}	1318	}
879		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
880	cf::player->attach (	1328	cf::player->attach (
881	on_command => sub {	1329	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
883		1331
884	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
885	or return;	1333	or return;
886		1334
…		…
891	cf::override;	1339	cf::override;
892	},	1340	},
893	on_extcmd => sub {	1341	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
895		1343
896	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1345
898	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
904	} else {	1361	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1363	}
907		1364
908	cf::override;	1365	cf::override;
909	},	1366	},
910	);	1367	);
911		1368
		1369	# "readahead" all extensions
912	sub load_extension {	1370	sub cache_extensions {
913	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
914		1372
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1375	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	}	1376	}
940	die $@;
941	}	1377	};
942		1378
943	push @EXTS, $pkg;	1379	$grp
944	}	1380	}
945		1381
946	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
947	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1387	next unless -r $path;
949	eval {	1388
950	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
951	1	1449	}
952	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
953	}	1460	};
954	}	1461	}
955		1462
956	#############################################################################	1463	#############################################################################
957		1464
		1465	=back
		1466
958	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
959		1468
960	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
961		1470
962	=cut	1471	=cut
963		1472
964	package cf::player;	1473	package cf::player;
965		1474
966	use Coro::AIO;	1475	use Coro::AIO;
967		1476
968	=head3 cf::player	1477	=head3 cf::player
969		1478
970	=over 4	1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
971		1494
972	=item cf::player::find $login	1495	=item cf::player::find $login
973		1496
974	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
975		1498
…		…
994		1517
995	sub exists($) {	1518	sub exists($) {
996	my ($login) = @_;	1519	my ($login) = @_;
997		1520
998	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1000	}	1523	}
1001		1524
1002	sub find($) {	1525	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1527	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1538
1016	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1019	}	1548	}
1020	}	1549	}
1021	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
1022		1564
1023	sub save($) {	1565	sub save($) {
1024	my ($pl) = @_;	1566	my ($pl) = @_;
1025		1567
1026	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1032		1574
1033	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1035		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
1036	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1037	Coro::cede;	1584	cf::cede_to_tick;
1038	}	1585	}
1039		1586
1040	sub new($) {	1587	sub new($) {
1041	my ($login) = @_;	1588	my ($login) = @_;
1042		1589
…		…
1048	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1049		1596
1050	$self	1597	$self
1051	}	1598	}
1052		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1053	=item $pl->quit_character	1610	=item $pl->quit_character
1054		1611
1055	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1057		1614
…		…
1061	my ($pl) = @_;	1618	my ($pl) = @_;
1062		1619
1063	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1064		1621
1065	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1624
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1071	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1072		1631
1073	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1110	or return [];	1669	or return [];
1111		1670
1112	my @logins;	1671	my @logins;
1113		1672
1114	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1118		1683
1119	utf8::decode $login;	1684	utf8::decode $login;
1120	push @logins, $login;	1685	push @logins, $login;
1121	}	1686	}
1122		1687
…		…
1149	}	1714	}
1150		1715
1151	\@paths	1716	\@paths
1152	}	1717	}
1153		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1154	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1155		1724
1156	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1157		1726
1158	=cut	1727	=cut
1159		1728
1160	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1162		1731
1163	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1733	}
1167		1734
1168	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1169		1736
1170	Sends an ext event to the client.	1737	Sends an ext event to the client.
1171		1738
1172	=cut	1739	=cut
1173		1740
1174	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1176		1743
1177	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1178	}	1745	}
1179		1746
1180	=head3 cf::region	1747	=head3 cf::region
1181		1748
1182	=over 4	1749	=over 4
…		…
1185		1752
1186	package cf::region;	1753	package cf::region;
1187		1754
1188	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1189		1756
1190	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1191		1758
1192	=cut	1759	=cut
1193		1760
1194	sub find_by_path($) {	1761	sub find_by_path($) {
1195	my ($path) = @_;	1762	my ($path) = @_;
1196		1763
1197	my ($match, $specificity);	1764	my ($match, $specificity);
1198		1765
1199	for my $region (list) {	1766	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1203	}	1770	}
1204	}	1771	}
1205		1772
…		…
1226	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1228		1795
1229	sub generate_random_map {	1796	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1800
1231	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1232	$self->_create_random_map (	1802	$self->_create_random_map (
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1269	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1270		1840
1271	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1272	local $self->{path};	1842	local $self->{path};
1273	local $self->{load_path};	1843	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1844
1277	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1278	}	1846	}
1279		1847
1280	sub normalise {	1848	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1328	return $self;	1896	return $self;
1329	}	1897	}
1330	}	1898	}
1331		1899
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1901	()
1334	}	1902	}
1335		1903
1336	sub init {	1904	sub init {
1337	my ($self) = @_;	1905	my ($self) = @_;
…		…
1359		1927
1360	# the temporary/swap location	1928	# the temporary/swap location
1361	sub save_path {	1929	sub save_path {
1362	my ($self) = @_;	1930	my ($self) = @_;
1363		1931
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1366	}	1934	}
1367		1935
1368	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1369	sub uniq_path {	1937	sub uniq_path {
1370	my ($self) = @_;	1938	my ($self) = @_;
1371		1939
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1374	}	1942	}
1375		1943
1376	# and all this just because we cannot iterate over	1944	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	1945	my ($self) = @_;
1380		1946
1381	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1383	}	1950	}
1384		1951
1385	sub unlink_save {	1952	sub unlink_save {
1386	my ($self) = @_;	1953	my ($self) = @_;
1387		1954
…		…
1392		1959
1393	sub load_header_from($) {	1960	sub load_header_from($) {
1394	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1395		1962
1396	utf8::encode $path;	1963	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1965	or return;
		1966
		1967	$self->_load_header ($f)
		1968	or return;
		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
1402		1972
1403	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1404		1974
1405	1	1975	1
1406	}	1976	}
…		…
1445	$self->load_header_orig	2015	$self->load_header_orig
1446	or return;	2016	or return;
1447	$self->prepare_orig;	2017	$self->prepare_orig;
1448	}	2018	}
1449		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1450	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2024	unless $self->default_region;
1452		2025
1453	1	2026	1
1454	}	2027	}
…		…
1457	sub find {	2030	sub find {
1458	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1459		2032
1460	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1461		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2037
1464	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1467	or return;	2040	or return;
1468		2041
1469	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1470		2043
1471	$map->load_header	2044	$map->load_header
1472	or return;	2045	or return;
1473		2046
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1477	$map->reset;	2052	$map->reset;
1478	undef $guard;
1479	return find $path;	2053	return find $path;
1480	}	2054	}
1481		2055
1482	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1483	}	2057	}
1484	}	2058	}
1485		2059
1486	sub pre_load { }	2060	sub pre_load { }
1487	sub post_load { }	2061	#sub post_load { } # XS
1488		2062
1489	sub load {	2063	sub load {
1490	my ($self) = @_;	2064	my ($self) = @_;
1491		2065
1492	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1493		2067
1494	my $path = $self->{path};	2068	my $path = $self->{path};
1495		2069
1496	{	2070	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1498		2072
		2073	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1500		2075
1501	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1502		2077
1503	$self->alloc;	2078	$self->alloc;
1504		2079
1505	$self->pre_load;	2080	$self->pre_load;
1506	Coro::cede;	2081	cf::cede_to_tick;
1507		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1508	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1509	or return;	2086	or return;
1510		2087
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1512	if delete $self->{load_original};	2089	if delete $self->{load_original};
1513		2090
1514	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2092	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2095	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1519	}	2099	}
1520	}	2100	}
1521		2101
1522	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1523	# now do the right thing for maps	2105	# now do the right thing for maps
1524	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2108	unless $self->difficulty;
1527	Coro::cede;	2109	cf::cede_to_tick;
1528		2110
1529	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2112	$self->decay_objects;
1531	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1532	$self->update_buttons;	2114	$self->update_buttons;
1533	Coro::cede;	2115	cf::cede_to_tick;
1534	$self->set_darkness_map;
1535	Coro::cede;
1536	$self->activate;	2116	$self->activate;
1537	}	2117	}
1538		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1540
1541	undef $guard;
1542	}	2123	}
1543		2124
1544	$self->post_load;	2125	$self->post_load;
1545	}	2126	}
1546		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1547	sub customise_for {	2131	sub customise_for {
1548	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1549		2133
1550	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2135	if $self->per_player;
1552		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1553	$self	2140	$self
1554	}	2141	}
1555		2142
1556	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	2144	sub load_neighbours {
1558	my ($map) = @_;	2145	my ($map) = @_;
1559		2146
1560	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1561		2148
1562	for (0 .. 3) {	2149	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1564	or next;	2151	or next;
1565	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1566	or next;	2153	or next;
1567	$neigh->load;	2154	$neigh->load;
1568		2155
		2156	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	2159	}
1572		2160
1573	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1575	or next;	2164	or next;
1576	$neigh->load;	2165	$neigh->load;
1577	}	2166	}
1578	}	2167	}
1579		2168
…		…
1584	}	2173	}
1585		2174
1586	sub do_load_sync {	2175	sub do_load_sync {
1587	my ($map) = @_;	2176	my ($map) = @_;
1588		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1589	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1590	}	2182	}
1591		2183
1592	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1594		2186
1595	sub find_async {	2187	sub find_async {
1596	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1597		2189
1598	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1599		2191
1600	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602	}	2194	}
1603		2195
1604	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1605	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1606	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2203	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2204	$map->load if $v;
		2205	}
1611		2206
1612	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1613	}	2208	}
1614	}	2209	}
1615	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1616	};	2211	};
1617	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
…		…
1620	}	2215	}
1621		2216
1622	sub save {	2217	sub save {
1623	my ($self) = @_;	2218	my ($self) = @_;
1624		2219
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1626		2221
1627	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1628		2223
1629	return unless $self->dirty;	2224	return unless $self->dirty;
1630		2225
…		…
1636	return if $self->{deny_save};	2231	return if $self->{deny_save};
1637		2232
1638	local $self->{last_access} = $self->last_access;#d#	2233	local $self->{last_access} = $self->last_access;#d#
1639		2234
1640	cf::async {	2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2237	$_->contr->save for $self->players;
1642	};	2238	};
		2239
		2240	cf::get_slot 0.02;
1643		2241
1644	if ($uniq) {	2242	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2245	} else {
…		…
1653	my ($self) = @_;	2251	my ($self) = @_;
1654		2252
1655	# save first because save cedes	2253	# save first because save cedes
1656	$self->save;	2254	$self->save;
1657		2255
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2257
1660	return if $self->players;	2258	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1662	return if $self->{deny_save};	2260	return if $self->{deny_save};
1663		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
		2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1664	$self->clear;	2266	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2267	}
1667		2268
1668	sub reset_at {	2269	sub reset_at {
1669	my ($self) = @_;	2270	my ($self) = @_;
1670		2271
1671	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1674		2274
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2277
…		…
1688	my ($self) = @_;	2288	my ($self) = @_;
1689		2289
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2291
1692	return if $self->players;	2292	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2293
1695	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
1696		2295
1697	$self->in_memory (cf::MAP_SWAPPED);	2296	$self->in_memory (cf::MAP_SWAPPED);
1698		2297
1699	# need to save uniques path	2298	# need to save uniques path
1700	unless ($self->{deny_save}) {	2299	unless ($self->{deny_save}) {
…		…
1704	if $uniq;	2303	if $uniq;
1705	}	2304	}
1706		2305
1707	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1708		2307
		2308	$self->deactivate;
		2309	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2310	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2311
1713	$self->unlink_save;	2312	$self->unlink_save;
1714	$self->destroy;	2313	$self->destroy;
1715	}	2314	}
1716		2315
1717	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1718		2317
1719	sub nuke {	2318	sub nuke {
1720	my ($self) = @_;	2319	my ($self) = @_;
1721		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
1722	delete $cf::MAP{$self->path};	2324	delete $cf::MAP{$self->path};
1723		2325
1724	$self->unlink_save;	2326	$self->unlink_save;
1725		2327
1726	bless $self, "cf::map";	2328	bless $self, "cf::map";
1727	delete $self->{deny_reset};	2329	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2333
1732	$cf::MAP{$self->path} = $self;	2334	$cf::MAP{$self->path} = $self;
		2335	}
1733		2336
1734	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
		2338	}
		2339
		2340	=item $maps = cf::map::tmp_maps
		2341
		2342	Returns an arrayref with all map paths of currently instantiated and saved
		2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
		2348	[
		2349	map {
		2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
		2356	}
		2357
		2358	=item $maps = cf::map::random_maps
		2359
		2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
		2362
		2363	=cut
		2364
		2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
1735	}	2374	}
1736		2375
1737	=item cf::map::unique_maps	2376	=item cf::map::unique_maps
1738		2377
1739	Returns an arrayref of paths of all shared maps that have	2378	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2379	instantiated unique items. May block.
1741		2380
1742	=cut	2381	=cut
1743		2382
1744	sub unique_maps() {	2383	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2384	[
1746	or return;	2385	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2386	utf8::decode $_;
1752	next if /\.pst$/;	2387	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2389	? ()
1755	push @paths, cf::map::normalise $_;	2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2392	]
1757
1758	\@paths
1759	}	2393	}
1760		2394
1761	package cf;	2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
		2422	}
		2423
		2424	\@maps
		2425	}
1762		2426
1763	=back	2427	=back
1764		2428
1765	=head3 cf::object	2429	=head3 cf::object
1766		2430
…		…
1770		2434
1771	=over 4	2435	=over 4
1772		2436
1773	=item $ob->inv_recursive	2437	=item $ob->inv_recursive
1774		2438
1775	Returns the inventory of the object _and_ their inventories, recursively.	2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
1776		2441
1777	=cut	2442	=cut
1778		2443
1779	sub inv_recursive_;	2444	sub inv_recursive_;
1780	sub inv_recursive_ {	2445	sub inv_recursive_ {
…		…
1783		2448
1784	sub inv_recursive {	2449	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2450	inv_recursive_ inv $_[0]
1786	}	2451	}
1787		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
		2479	}
		2480
1788	package cf;	2481	package cf;
1789		2482
1790	=back	2483	=back
1791		2484
1792	=head3 cf::object::player	2485	=head3 cf::object::player
…		…
1798	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1800	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1801		2494
1802	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1803		2510
1804	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2512	# with dialog boxes.
1806	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1807	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1809		2516
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2518
1812	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1814	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1817	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1818	}	2544	}
1819		2545
1820	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1821		2547
1822	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1835		2561
1836	=item $player_object->enter_link	2562	=item $player_object->enter_link
1837		2563
1838	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1839		2565
1840	The player should be reasonably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1841	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
1842		2570
1843	Will never block.	2571	Will never block.
1844		2572
1845	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1846		2574
…		…
1869	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
1870		2598
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2600
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2602	if $self->map && $self->map->{path} ne "{link}";
1875		2603
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2605	}
1878		2606
1879	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1881		2611
1882	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1883		2613
1884	unless ($map) {	2614	unless ($map) {
1885	# restore original map position	2615	# restore original map position
…		…
1896	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1897	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1898		2628
1899	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1902		2632
1903	$map->load;	2633	$map->load;
1904	$map->load_diag;	2634	$map->load_neighbours;
1905		2635
1906	return unless $self->contr->active;	2636	return unless $self->contr->active;
1907	$self->activate_recursive;
1908		2637
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2639	$self->enter_map ($map, $x, $y);
1911	}
1912		2640
1913	cf::player->attach (	2641	# only activate afterwards, to support waiting in hooks
1914	on_logout => sub {	2642	$self->activate_recursive;
1915	my ($pl) = @_;	2643	}
1916		2644
1917	# abort map switching before logout	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1918	if ($pl->ob->{_link_pos}) {
1919	cf::sync_job {
1920	$pl->ob->leave_link
1921	};
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2646
1927	# try to abort aborted map switching on player login :)	2647	Moves the player to the given map-path and coordinates by first freezing
1928	# should happen only on crashes	2648	her, loading and preparing them map, calling the provided $check callback
1929	if ($pl->ob->{_link_pos}) {	2649	that has to return the map if sucecssful, and then unfreezes the player on
1930	$pl->ob->enter_link;	2650	the new (success) or old (failed) map position. In either case, $done will
1931	(async {	2651	be called at the end of this process.
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2652
1945	=item $player_object->goto ($path, $x, $y)	2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
1946		2655
1947	=cut	2656	=cut
		2657
		2658	our $GOTOGEN;
1948		2659
1949	sub cf::object::player::goto {	2660	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2665
1952	$self->enter_link;	2666	$self->enter_link;
1953		2667
1954	(async {	2668	(async {
		2669	$Coro::current->{desc} = "player::goto $path $x $y";
		2670
		2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
1955	my $map = eval {	2690	my $map = eval {
1956	my $map = cf::map::find $path;	2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
		2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
		2699
1958	$map	2700	$map
		2701	};
		2702
		2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2706	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1963	})->prio (1);	2714	})->prio (1);
1964	}	2715	}
1965		2716
1966	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1967		2718
…		…
1987	}	2738	}
1988		2739
1989	sub prepare_random_map {	2740	sub prepare_random_map {
1990	my ($exit) = @_;	2741	my ($exit) = @_;
1991		2742
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2743	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2744	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2745	# that depends on the exit object
1997		2746
1998	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2749	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2750	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
2005	}	2756	}
2006		2757
2007	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
2008		2759
2009	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2762	my $meta = "$RANDOMDIR/$md5.meta";
2012		2763
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2766	undef $fh;
2016	aio_rename "$meta~", $meta;	2767	aio_rename "$meta~", $meta;
2017		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
2020	}	2775	}
2021	}	2776	}
2022		2777
2023	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
2025		2780
2026	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
2027		2782
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2783	$self->enter_link;
2040		2784
2041	(async {	2785	(async {
2042	$self->deactivate_recursive; # just to be sure	2786	$Coro::current->{desc} = "enter_exit";
		2787
2043	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
		2795	prepare_random_map $exit
		2796	if $exit->slaying eq "/!";
		2797	}
		2798
		2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
		2802
2044	$self->goto ($slaying, $hp, $sp);	2803	$self->goto ($map, $x, $y);
2045		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
2046	1;	2809	1
2047	}) {	2810	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
2050	. "Please report this to the dungeon master!",	2813	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
2052		2815
2053	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
…		…
2072		2835
2073	utf8::encode $text;	2836	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2838	}
2076		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
2077	=item $client->ext_event ($type, %msg)	3027	=item $client->ext_msg ($type, @msg)
2078		3028
2079	Sends an exti event to the client.	3029	Sends an ext event to the client.
2080		3030
2081	=cut	3031	=cut
2082		3032
2083	sub cf::client::ext_event($$%) {	3033	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	3034	my ($self, $type, @msg) = @_;
2085		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	3039	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
2088	}	3060	}
2089		3061
2090	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
2091		3063
2092	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		3067
2096	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	3069	become reliable at some point in the future.
2098		3070
2099	=cut	3071	=cut
2100		3072
2101	sub cf::client::query {	3073	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	3082	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		3084
2113	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
2115	}	3089	}
2116		3090
2117	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
2118	on_reply => sub {	3097	on_reply => sub {
2119	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
2120		3099
2121	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
2122	# get handled first	3101	# get handled first
…		…
2134	} else {	3113	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	3115	}
2137	}	3116	}
2138	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
2139	);	3144	);
2140		3145
2141	=item $client->async (\&cb)	3146	=item $client->async (\&cb)
2142		3147
2143	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
…		…
2159		3164
2160	$coro	3165	$coro
2161	}	3166	}
2162		3167
2163	cf::client->attach (	3168	cf::client->attach (
2164	on_destroy => sub {	3169	on_client_destroy => sub {
2165	my ($ns) = @_;	3170	my ($ns) = @_;
2166		3171
2167	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2168	},	3173	},
2169	);	3174	);
…		…
2184	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
2186		3191
2187	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
2188		3193
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
2190		3199
2191	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
2192		3201
2193	=pod	3202	=pod
2194		3203
2195	The following functions and methods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
2196		3205
2197	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
2198	cf::object::player player	3211	cf::object::player
2199	cf::player peaceful	3212	player
2200	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
2201		3219
2202	=cut	3220	=cut
2203		3221
2204	for (	3222	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
2209	) {	3229	) {
2210	no strict 'refs';	3230	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2230		3250
2231	my $qcode = $code;	3251	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
2234		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
2235	local $_;	3258	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;
2237		3259
2238	my $eval =	3260	my $eval =
2239	"do {\n"	3261	"do {\n"
2240	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2241	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
2242	. $code	3264	. $code
2243	. "\n}"	3265	. "\n}"
2244	;	3266	;
2245		3267
		3268	if ($CFG{safe_eval}) {
2246	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
2247	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2248	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
2249		3277
2250	if ($@) {	3278	if ($@) {
2251	warn "$@";	3279	warn "$@";
2252	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
2253	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2272	=cut	3300	=cut
2273		3301
2274	sub register_script_function {	3302	sub register_script_function {
2275	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
2276		3304
2277	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
2278	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
2279	}	3307	}
2280		3308
2281	=back	3309	=back
2282		3310
2283	=cut	3311	=cut
2284
2285	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457		3312
2458	#############################################################################	3313	#############################################################################
2459	# the server's init and main functions	3314	# the server's init and main functions
2460		3315
2461	sub load_facedata($) {	3316	sub load_facedata($) {
2462	my ($path) = @_;	3317	my ($path) = @_;
		3318
		3319	# HACK to clear player env face cache, we need some signal framework
		3320	# for this (global event?)
		3321	%ext::player_env::MUSIC_FACE_CACHE = ();
		3322
		3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		3324
2464	warn "loading facedata from $path\n";	3325	warn "loading facedata from $path\n";
2465		3326
2466	my $facedata;	3327	my $facedata;
2467	0 < aio_load $path, $facedata	3328	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	3331	$facedata = Coro::Storable::thaw $facedata;
2471		3332
2472	$facedata->{version} == 2	3333	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		3335
		3336	# patch in the exptable
		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3338	$facedata->{resource}{"res/exp_table"} = {
		3339	type => FT_RSRC,
		3340	data => $exp_table,
		3341	hash => (Digest::MD5::md5 $exp_table),
		3342	};
		3343	cf::cede_to_tick;
		3344
2475	{	3345	{
2476	my $faces = $facedata->{faceinfo};	3346	my $faces = $facedata->{faceinfo};
2477		3347
2478	while (my ($face, $info) = each %$faces) {	3348	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3350
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3351	cf::face::set_visibility $idx, $info->{visibility};
		3352	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2483	Coro::cede;	3355
		3356	cf::cede_to_tick;
2484	}	3357	}
2485		3358
2486	while (my ($face, $info) = each %$faces) {	3359	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3360	next unless $info->{smooth};
		3361
2488	my $idx = cf::face::find $face	3362	my $idx = cf::face::find $face
2489	or next;	3363	or next;
		3364
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3368	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3370	}
2495	Coro::cede;	3371
		3372	cf::cede_to_tick;
2496	}	3373	}
2497	}	3374	}
2498		3375
2499	{	3376	{
2500	my $anims = $facedata->{animinfo};	3377	my $anims = $facedata->{animinfo};
2501		3378
2502	while (my ($anim, $info) = each %$anims) {	3379	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	3381	cf::cede_to_tick;
2505	}	3382	}
2506		3383
2507	cf::anim::invalidate_all; # d'oh	3384	cf::anim::invalidate_all; # d'oh
2508	}	3385	}
2509		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
2510	1	3406	1
2511	}	3407	}
2512		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
2513	sub reload_regions {	3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
2514	load_resource_file "$MAPDIR/regions"	3452	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
2516	}	3459	}
2517		3460
2518	sub reload_facedata {	3461	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3462	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	3463	or die "unable to load facedata\n";
…		…
2531	}	3474	}
2532		3475
2533	sub reload_resources {	3476	sub reload_resources {
2534	warn "reloading resource files...\n";	3477	warn "reloading resource files...\n";
2535		3478
2536	reload_regions;
2537	reload_facedata;	3479	reload_facedata;
2538	reload_archetypes;	3480	reload_archetypes;
		3481	reload_regions;
2539	reload_treasures;	3482	reload_treasures;
2540		3483
2541	warn "finished reloading resource files\n";	3484	warn "finished reloading resource files\n";
2542	}	3485	}
2543		3486
2544	sub init {	3487	sub reload_config {
2545	reload_resources;	3488	warn "reloading config file...\n";
2546	}
2547		3489
2548	sub cfg_load {
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
2550	or return;	3491	or return;
2551		3492
2552	local $/;	3493	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
2554		3495
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2556		3497
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2562	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2563	and die "WARNING: m(un)lockall failed: $!\n";	3504	and die "WARNING: m(un)lockall failed: $!\n";
2564	};	3505	};
2565	warn $@ if $@;	3506	warn $@ if $@;
2566	}	3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
2567	}	3538	}
2568		3539
2569	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	cf::init_experience;
		3549	cf::init_anim;
		3550	cf::init_attackmess;
		3551	cf::init_dynamic;
		3552
		3553	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3554
2570	# we must not ever block the main coroutine	3555	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3556	local $Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3557	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3558	(async {
2574	Event::one_event;	3559	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3560	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3561	})->prio (Coro::PRIO_MAX);
2576	};	3562	};
2577		3563
2578	cfg_load;	3564	evthread_start IO::AIO::poll_fileno;
		3565
		3566	cf::sync_job {
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
2579	db_init;	3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
2580	load_extensions;	3582	load_extensions;
2581		3583
2582	$TICK_WATCHER->start;	3584	utime time, time, $RUNTIMEFILE;
2583	Event::loop;	3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	main_loop;
2584	}	3594	}
2585		3595
2586	#############################################################################	3596	#############################################################################
2587	# initialisation and cleanup	3597	# initialisation and cleanup
2588		3598
2589	# install some emergency cleanup handlers	3599	# install some emergency cleanup handlers
2590	BEGIN {	3600	BEGIN {
		3601	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3602	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3603	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3604	cf::cleanup "SIG$signal";
2599	},
2600	);	3605	};
		3606	}
		3607	}
		3608
		3609	sub write_runtime_sync {
		3610	my $t0 = AE::time;
		3611
		3612	# first touch the runtime file to show we are still running:
		3613	# the fsync below can take a very very long time.
		3614
		3615	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3616
		3617	my $guard = cf::lock_acquire "write_runtime";
		3618
		3619	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3620	or return;
		3621
		3622	my $value = $cf::RUNTIME + 90 + 10;
		3623	# 10 is the runtime save interval, for a monotonic clock
		3624	# 60 allows for the watchdog to kill the server.
		3625
		3626	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3627	and return;
		3628
		3629	# always fsync - this file is important
		3630	aio_fsync $fh
		3631	and return;
		3632
		3633	# touch it again to show we are up-to-date
		3634	aio_utime $fh, undef, undef;
		3635
		3636	close $fh
		3637	or return;
		3638
		3639	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3640	and return;
		3641
		3642	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3643
2601	}	3644	1
		3645	}
		3646
		3647	our $uuid_lock;
		3648	our $uuid_skip;
		3649
		3650	sub write_uuid_sync($) {
		3651	$uuid_skip ||= $_[0];
		3652
		3653	return if $uuid_lock;
		3654	local $uuid_lock = 1;
		3655
		3656	my $uuid = "$LOCALDIR/uuid";
		3657
		3658	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3659	or return;
		3660
		3661	my $value = uuid_seq uuid_cur;
		3662
		3663	unless ($value) {
		3664	warn "cowardly refusing to write zero uuid value!\n";
		3665	return;
		3666	}
		3667
		3668	my $value = uuid_str $value + $uuid_skip;
		3669	$uuid_skip = 0;
		3670
		3671	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3672	and return;
		3673
		3674	# always fsync - this file is important
		3675	aio_fsync $fh
		3676	and return;
		3677
		3678	close $fh
		3679	or return;
		3680
		3681	aio_rename "$uuid~", $uuid
		3682	and return;
		3683
		3684	warn "uuid file written ($value).\n";
		3685
		3686	1
		3687
		3688	}
		3689
		3690	sub write_uuid($$) {
		3691	my ($skip, $sync) = @_;
		3692
		3693	$sync ? write_uuid_sync $skip
		3694	: async { write_uuid_sync $skip };
2602	}	3695	}
2603		3696
2604	sub emergency_save() {	3697	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3698	my $freeze_guard = cf::freeze_mainloop;
2606		3699
2607	warn "enter emergency perl save\n";	3700	warn "emergency_perl_save: enter\n";
2608		3701
2609	cf::sync_job {	3702	cf::sync_job {
		3703	# this is a trade-off: we want to be very quick here, so
		3704	# save all maps without fsync, and later call a global sync
		3705	# (which in turn might be very very slow)
		3706	local $USE_FSYNC = 0;
		3707
2610	# use a peculiar iteration method to avoid tripping on perl	3708	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	3709	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	3710	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	3711	warn "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	3712	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	3713	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	3714	$pl->valid or next;
		3715	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	3716	$pl->save;
2618	}	3717	}
2619	warn "end emergency player save\n";	3718	warn "emergency_perl_save: end player save\n";
2620		3719
2621	warn "begin emergency map save\n";	3720	warn "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	3721	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	3722	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	3723	$map->valid or next;
2625	$map->save;	3724	$map->save;
2626	}	3725	}
2627	warn "end emergency map save\n";	3726	warn "emergency_perl_save: end map save\n";
2628		3727
2629	warn "begin emergency database checkpoint\n";	3728	warn "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	3729	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	3730	warn "emergency_perl_save: end database checkpoint\n";
		3731
		3732	warn "emergency_perl_save: begin write uuid\n";
		3733	write_uuid_sync 1;
		3734	warn "emergency_perl_save: end write uuid\n";
2632	};	3735	};
2633		3736
		3737	warn "emergency_perl_save: starting sync()\n";
		3738	IO::AIO::aio_sync sub {
		3739	warn "emergency_perl_save: finished sync()\n";
		3740	};
		3741
2634	warn "leave emergency perl save\n";	3742	warn "emergency_perl_save: leave\n";
2635	}	3743	}
2636		3744
2637	sub post_cleanup {	3745	sub post_cleanup {
2638	my ($make_core) = @_;	3746	my ($make_core) = @_;
2639		3747
2640	warn Carp::longmess "post_cleanup backtrace"	3748	warn Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	3749	if $make_core;
		3750
		3751	my $fh = pidfile;
		3752	unlink $PIDFILE if <$fh> == $$;
		3753	}
		3754
		3755	# a safer delete_package, copied from Symbol
		3756	sub clear_package($) {
		3757	my $pkg = shift;
		3758
		3759	# expand to full symbol table name if needed
		3760	unless ($pkg =~ /^main::.*::$/) {
		3761	$pkg = "main$pkg" if $pkg =~ /^::/;
		3762	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3763	$pkg .= '::' unless $pkg =~ /::$/;
		3764	}
		3765
		3766	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3767	my $stem_symtab = *{$stem}{HASH};
		3768
		3769	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3770	or return;
		3771
		3772	# clear all symbols
		3773	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3774	for my $name (keys %$leaf_symtab) {
		3775	_gv_clear *{"$pkg$name"};
		3776	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3777	}
		3778	warn "cleared package $pkg\n";#d#
2642	}	3779	}
2643		3780
2644	sub do_reload_perl() {	3781	sub do_reload_perl() {
2645	# can/must only be called in main	3782	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	3783	if ($Coro::current != $Coro::main) {
2647	warn "can only reload from main coroutine";	3784	warn "can only reload from main coroutine";
2648	return;	3785	return;
2649	}	3786	}
2650		3787
		3788	return if $RELOAD++;
		3789
		3790	my $t1 = AE::time;
		3791
		3792	while ($RELOAD) {
2651	warn "reloading...";	3793	warn "reloading...";
2652		3794
2653	warn "entering sync_job";	3795	warn "entering sync_job";
2654		3796
2655	cf::sync_job {	3797	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark	3798	cf::write_runtime_sync; # external watchdog should not bark
2657	cf::emergency_save;	3799	cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark	3800	cf::write_runtime_sync; # external watchdog should not bark
2659		3801
2660	warn "syncing database to disk";	3802	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;	3803	BDB::db_env_txn_checkpoint $DB_ENV;
2662		3804
2663	# if anything goes wrong in here, we should simply crash as we already saved	3805	# if anything goes wrong in here, we should simply crash as we already saved
2664		3806
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";	3807	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;	3808	while (IO::AIO::nreqs || BDB::nreqs) {
2676	warn "iterate...";	3809	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();
2684
2685	warn "removing commands";
2686	%COMMAND = ();
2687
2688	warn "removing ext commands";
2689	%EXTCMD = ();
2690
2691	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";
2694
2695	if (my $cb = $pkg->can ("unload")) {
2696	eval {
2697	$cb->($pkg);
2698	1
2699	} or warn "$pkg unloaded, but with errors: $@";
2700	}	3810	}
2701		3811
2702	warn "... nuking $pkg";	3812	warn "cancelling all extension coros";
2703	Symbol::delete_package $pkg;	3813	$_->cancel for values %EXT_CORO;
2704	}	3814	%EXT_CORO = ();
2705		3815
2706	warn "unloading all perl modules loaded from $LIBDIR";	3816	warn "removing commands";
2707	while (my ($k, $v) = each %INC) {	3817	%COMMAND = ();
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		3818
		3819	warn "removing ext/exti commands";
		3820	%EXTCMD = ();
		3821	%EXTICMD = ();
		3822
		3823	warn "unloading/nuking all extensions";
		3824	for my $pkg (@EXTS) {
2710	warn "... unloading $k";	3825	warn "... unloading $pkg";
2711	delete $INC{$k};
2712		3826
2713	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;
2715
2716	if (my $cb = $k->can ("unload_module")) {	3827	if (my $cb = $pkg->can ("unload")) {
		3828	eval {
2717	$cb->();	3829	$cb->($pkg);
		3830	1
		3831	} or warn "$pkg unloaded, but with errors: $@";
		3832	}
		3833
		3834	warn "... clearing $pkg";
		3835	clear_package $pkg;
2718	}	3836	}
2719		3837
2720	Symbol::delete_package $k;	3838	warn "unloading all perl modules loaded from $LIBDIR";
		3839	while (my ($k, $v) = each %INC) {
		3840	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3841
		3842	warn "... unloading $k";
		3843	delete $INC{$k};
		3844
		3845	$k =~ s/\.pm$//;
		3846	$k =~ s/\//::/g;
		3847
		3848	if (my $cb = $k->can ("unload_module")) {
		3849	$cb->();
		3850	}
		3851
		3852	clear_package $k;
2721	}	3853	}
2722		3854
2723	warn "getting rid of safe::, as good as possible";	3855	warn "getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	3856	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3857	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		3858
2727	warn "unloading cf.pm \"a bit\"";	3859	warn "unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	3860	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	3861	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		3862
2731	# don't, removes xs symbols, too,	3863	# don't, removes xs symbols, too,
2732	# and global variables created in xs	3864	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	3865	#clear_package __PACKAGE__;
2734		3866
2735	warn "unload completed, starting to reload now";	3867	warn "unload completed, starting to reload now";
2736		3868
2737	warn "reloading cf.pm";	3869	warn "reloading cf.pm";
2738	require cf;	3870	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3871	cf::_connect_to_perl_1;
2740		3872
2741	warn "loading config and database again";	3873	warn "loading config and database again";
2742	cf::cfg_load;	3874	cf::reload_config;
2743		3875
2744	warn "loading extensions";	3876	warn "loading extensions";
2745	cf::load_extensions;	3877	cf::load_extensions;
2746		3878
		3879	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	3880	warn "reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	3881	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	3882	warn "reattaching attachments to maps";
2750	reattach $_ for values %MAP;	3883	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	3884	warn "reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	3885	reattach $_ for values %PLAYER;
		3886	}
2753		3887
		3888	warn "running post_init jobs";
		3889	(pop @POST_INIT)->(1) while @POST_INIT;
		3890
2754	warn "leaving sync_job";	3891	warn "leaving sync_job";
2755		3892
2756	1	3893	1
2757	} or do {	3894	} or do {
2758	warn $@;	3895	warn $@;
2759	warn "error while reloading, exiting.";	3896	cf::cleanup "error while reloading, exiting.";
2760	exit 1;
2761	};	3897	};
2762		3898
2763	warn "reloaded";	3899	warn "reloaded";
		3900	--$RELOAD;
		3901	}
		3902
		3903	$t1 = AE::time - $t1;
		3904	warn "reload completed in ${t1}s\n";
2764	};	3905	};
2765		3906
2766	our $RELOAD_WATCHER; # used only during reload	3907	our $RELOAD_WATCHER; # used only during reload
2767		3908
2768	sub reload_perl() {	3909	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	3910	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	3911	# coro crashes during coro_state_free->destroy here.
2771		3912
2772	$RELOAD_WATCHER ||= Event->timer (	3913	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	3914	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	3915
2775	data => WF_AUTOCANCEL,	3916	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	3917	do_reload_perl;
2778	undef $RELOAD_WATCHER;	3918	undef $RELOAD_WATCHER;
2779	},	3919	};
2780	);	3920	};
2781	}	3921	}
2782		3922
2783	register_command "reload" => sub {	3923	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	3924	my ($who, $arg) = @_;
2785		3925
2786	if ($who->flag (FLAG_WIZ)) {	3926	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	3927	$who->message ("reloading server.");
		3928	async {
		3929	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	3930	reload_perl;
		3931	};
2789	}	3932	}
2790	};	3933	};
2791		3934
2792	unshift @INC, $LIBDIR;	3935	unshift @INC, $LIBDIR;
2793		3936
…		…
2795		3938
2796	our @WAIT_FOR_TICK;	3939	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;	3940	our @WAIT_FOR_TICK_BEGIN;
2798		3941
2799	sub wait_for_tick {	3942	sub wait_for_tick {
2800	return unless $TICK_WATCHER->is_active;
2801	return if $Coro::current == $Coro::main;	3943	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2802		3944
2803	my $signal = new Coro::Signal;	3945	my $signal = new Coro::Signal;
2804	push @WAIT_FOR_TICK, $signal;	3946	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;	3947	$signal->wait;
2806	}	3948	}
2807		3949
2808	sub wait_for_tick_begin {	3950	sub wait_for_tick_begin {
2809	return unless $TICK_WATCHER->is_active;
2810	return if $Coro::current == $Coro::main;	3951	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2811		3952
2812	my $signal = new Coro::Signal;	3953	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3954	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3955	$signal->wait;
2815	}	3956	}
2816		3957
2817	$TICK_WATCHER = Event->timer (	3958	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	3959	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3960	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3961	unless ++$bug_warning > 10;
2827	return;	3962	return;
2828	}	3963	}
2829		3964
2830	$NOW = Event::time;
2831
2832	cf::server_tick; # one server iteration	3965	cf::server_tick; # one server iteration
2833		3966
2834	$RUNTIME += $TICK;	3967	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835	$NEXT_TICK += $TICK;
2836		3968
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	3970	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	3971	Coro::async_pool {
		3972	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	3973	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	3974	or warn "ERROR: unable to write runtime file: $!";
2842	};
2843	}	3975	};
		3976	}
2844		3977
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3978	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	3979	$sig->send;
2856	}	3980	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {	3981	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;	3982	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	3983	}
2863	);	3984
		3985	$LOAD = ($NOW - $TICK_START) / $TICK;
		3986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3987
		3988	if (0) {
		3989	if ($NEXT_TICK) {
		3990	my $jitter = $TICK_START - $NEXT_TICK;
		3991	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3992	warn "jitter $JITTER\n";#d#
		3993	}
		3994	}
		3995	}
2864		3996
2865	{	3997	{
2866	BDB::max_poll_time $TICK * 0.1;	3998	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	3999
2868	reentrant => 0,
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	4000	BDB::min_parallel 16;
2876		4001	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	4002	$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		4003
2892	unless ($DB_ENV) {	4004	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	4005	$DB_ENV = BDB::db_env_create;
		4006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4007	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4008	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4009	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4010	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		4011
2895	cf::sync_job {	4012	cf::sync_job {
2896	eval {	4013	eval {
2897	BDB::db_env_open	4014	BDB::db_env_open
2898	$DB_ENV,	4015	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4017	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4018	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	4019	0666;
2903		4020
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4021	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	4022	};
2909		4023
2910	cf::cleanup "db_env_open(db): $@" if $@;	4024	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	4025	};
2912	}	4026	}
		4027
		4028	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4029	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4030	};
		4031	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4032	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4033	};
		4034	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4035	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4036	};
2913	}	4037	}
2914		4038
2915	{	4039	{
		4040	# configure IO::AIO
		4041
2916	IO::AIO::min_parallel 8;	4042	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	4043	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	4044	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	4045	}
2922	data => WF_AUTOCANCEL,	4046
2923	fd => IO::AIO::poll_fileno,	4047	my $_log_backtrace;
2924	poll => 'r',	4048
2925	prio => 6,	4049	sub _log_backtrace {
2926	cb => \&IO::AIO::poll_cb,	4050	my ($msg, @addr) = @_;
2927	);	4051
		4052	$msg =~ s/\n//;
		4053
		4054	# limit the # of concurrent backtraces
		4055	if ($_log_backtrace < 2) {
		4056	++$_log_backtrace;
		4057	my $perl_bt = Carp::longmess $msg;
		4058	async {
		4059	$Coro::current->{desc} = "abt $msg";
		4060
		4061	my @bt = fork_call {
		4062	@addr = map { sprintf "%x", $_ } @addr;
		4063	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4064	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4065	or die "addr2line: $!";
		4066
		4067	my @funcs;
		4068	my @res = <$fh>;
		4069	chomp for @res;
		4070	while (@res) {
		4071	my ($func, $line) = splice @res, 0, 2, ();
		4072	push @funcs, "[$func] $line";
		4073	}
		4074
		4075	@funcs
		4076	};
		4077
		4078	LOG llevInfo, "[ABT] $perl_bt\n";
		4079	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4080	LOG llevInfo, "[ABT] $_\n" for @bt;
		4081	--$_log_backtrace;
		4082	};
		4083	} else {
		4084	LOG llevInfo, "[ABT] $msg\n";
		4085	LOG llevInfo, "[ABT] [suppressed]\n";
		4086	}
2928	}	4087	}
2929		4088
2930	# load additional modules	4089	# load additional modules
2931	use cf::pod;	4090	require "cf/$_.pm" for @EXTRA_MODULES;
		4091	cf::_connect_to_perl_2;
2932		4092
2933	END { cf::emergency_save }	4093	END { cf::emergency_save }
2934		4094
2935	1	4095	1
2936		4096

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