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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.519 by root, Fri Apr 16 02:32:25 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
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	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 $REALLY_UNLOOP; # never set to true, please :)
98		150
99	binmode STDOUT;	151	binmode STDOUT;
100	binmode STDERR;	152	binmode STDERR;
101		153
102	# read virtual server time, if available	154	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	156	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
107	}	159	}
		160
		161	eval "sub TICK() { $TICK } 1" or die;
108		162
109	mkdir $_	163	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		165
112	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
113		167
114	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::"} };
115		180
116	#############################################################################	181	#############################################################################
117		182
118	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
119		184
…		…
155		220
156	The raw value load value from the last tick.	221	The raw value load value from the last tick.
157		222
158	=item %cf::CFG	223	=item %cf::CFG
159		224
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	226	from wherever your confdir points to.
162		227
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		229
165	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
166	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
167	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.
168		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
169	=back	246	=back
170		247
171	=cut	248	=cut
172		249
173	BEGIN {	250	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	251	my $msg = join "", @_;
176		252
177	$msg .= "\n"	253	$msg .= "\n"
178	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
179		255
180	$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;
181		257
182	utf8::encode $msg;
183	LOG llevError, $msg;	258	LOG llevError, $msg;
184	};	259	};
185	}	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	};
186		274
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@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';
192	@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)
193		282
194	# 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
195	# within the Safe compartment.	284	# within the Safe compartment.
196	for my $pkg (qw(	285	for my $pkg (qw(
197	cf::global cf::attachable	286	cf::global cf::attachable
198	cf::object cf::object::player	287	cf::object cf::object::player
199	cf::client cf::player	288	cf::client cf::player
200	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
201	cf::map cf::party cf::region	291	cf::party cf::region
202	)) {	292	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	294	}
206		295
207	$Event::DIED = sub {	296	$EV::DIED = sub {
208	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
209	};	298	};
		299
		300	#############################################################################
210		301
211	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
212		303
213	=over 4	304	=over 4
214		305
…		…
233	$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;
234	$d	325	$d
235	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
236	}	327	}
237		328
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
241		330
242	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
243		332
244	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
245		334
246	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	358	=item cf::lock_wait $string
249		359
250	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
251		361
252	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
253		363
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
257	returned.	367	returned.
258		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
259	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
260	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
261		374
262	=item $locked = cf::lock_active $string	375	=item $locked = cf::lock_active $string
263		376
264	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.
265		378
266	=cut	379	=cut
267		380
268	our %LOCK;	381	our $LOCKS = new Coro::SemaphoreSet;
269		382
270	sub lock_wait($) {	383	sub lock_wait($) {
271	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	385	}
279		386
280	sub lock_acquire($) {	387	sub lock_acquire($) {
281	my ($key) = @_;	388	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	389	}
293		390
294	sub lock_active($) {	391	sub lock_active($) {
295	my ($key) = @_;	392	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	393	}
299		394
300	sub freeze_mainloop {	395	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
302		397
303	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
305	};	465	}
306	$TICK_WATCHER->stop;	466	};
307	$guard	467
		468	sub get_slot($;$$) {
		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	$sig->wait;
308	}	481	}
309		482
310	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
311		484
312	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		490
318	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
319		492
320	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
321		494
322	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
325		499
326	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
329	fast or be very important.	503	fast or be very important.
…		…
332		506
333	sub sync_job(&) {	507	sub sync_job(&) {
334	my ($job) = @_;	508	my ($job) = @_;
335		509
336	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	511	my $time = AE::time;
338		512
339	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
341		515
342	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	517
344	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
345		519
346	my $busy = 1;	520	my $busy = 1;
347	my @res;	521	my @res;
348		522
349	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	525	@res = eval { $job->() };
351	warn $@ if $@;	526	warn $@ if $@;
352	undef $busy;	527	undef $busy;
353	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
354		529
355	while ($busy) {	530	while ($busy) {
356	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
357	}	535	}
		536	}
358		537
359	$time = Event::time - $time;	538	my $time = AE::time - $time;
360		539
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	540	$TICK_START += $time; # do not account sync jobs to server load
365		541
366	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
367	} else {	543	} else {
368	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
369		545
…		…
389	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
390		566
391	$coro	567	$coro
392	}	568	}
393		569
394	sub write_runtime {	570	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		571
397	# first touch the runtime file to show we are still running:	572	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	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.
399		576
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	577	=cut
401	utime undef, undef, $fh;	578
		579	sub fork_call(&@) {
		580	my ($cb, @args) = @_;
		581
		582	# we seemingly have to make a local copy of the whole thing,
		583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
		585
		586	my @res = Coro::Util::fork_eval {
		587	reset_signals;
		588	&$cb
		589	}, @args;
		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
		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 $!;
402	}	659	};
		660	cf::cleanup "db_open(db): $@" if $@;
403		661
404	my $guard = cf::lock_acquire "write_runtime";	662	$db
		663	}
405		664
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	665	our $DB;
407	or return;
408		666
409	my $value = $cf::RUNTIME + 90 + 10;	667	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	668	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	669	$DB ||= db_table "db";
		670	};
		671	}
412		672
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	673	sub db_get($$) {
414	and return;	674	my $key = "$_[0]/$_[1]";
415		675
416	# always fsync - this file is important	676	cf::sync_job {
417	aio_fsync $fh	677	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		678
420	# touch it again to show we are up-to-date	679	$! ? ()
421	utime undef, undef, $fh;	680	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	681	}
		682	}
		683
		684	sub db_put($$$) {
		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"
432	}	757	}
433		758
434	=item cf::datalog type => key => value, ...	759	=item cf::datalog type => key => value, ...
435		760
436	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.
…		…
448		773
449	#############################################################################	774	#############################################################################
450		775
451	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
452		777
453	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
454	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")
455	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
456		781
457	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>
458	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
459	crossfire+).	784	Deliantra).
460		785
461	=over 4	786	=over 4
462		787
463	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
464		789
…		…
508	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
509		834
510	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
512		837
513	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		840
516	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
517		842
518	=over 4	843	=over 4
…		…
666	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
667	}	992	}
668		993
669	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
670	} else {	995	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	997	}
673		998
674	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
675	}	1000	}
676		1001
…		…
716	";	1041	";
717	die if $@;	1042	die if $@;
718	}	1043	}
719		1044
720	our $override;	1045	our $override;
721	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?
722		1047
723	sub override {	1048	sub override {
724	$override = 1;	1049	$override = 1;
725	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
726	}	1051	}
727		1052
728	sub do_invoke {	1053	sub do_invoke {
729	my $event = shift;	1054	my $event = shift;
730	my $callbacks = shift;	1055	my $callbacks = shift;
731		1056
732	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
733		1058
734	local $override;	1059	local $override;
735		1060
736	for (@$callbacks) {	1061	for (@$callbacks) {
737	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
746	}	1071	}
747		1072
748	0	1073	0
749	}	1074	}
750		1075
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1077
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1079
755	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
756		1081
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1085
761	=back	1086	=back
762		1087
763	=cut	1088	=cut
764		1089
765	#############################################################################	1090	#############################################################################
766	# 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, $ob2
		1133	}
767		1134
768	sub reattach {	1135	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1137	my ($obj) = @_;
771		1138
		1139	# no longer needed after getting rid of delete_package?
772	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
773		1141
774	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
775		1143
776	@$registry = ();	1144	@$registry = ();
777		1145
…		…
792	cf::attachable->attach (	1160	cf::attachable->attach (
793	prio => -1000000,	1161	prio => -1000000,
794	on_instantiate => sub {	1162	on_instantiate => sub {
795	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
796		1164
797	$data = from_json $data;	1165	$data = decode_json $data;
798		1166
799	for (@$data) {	1167	for (@$data) {
800	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
801		1169
802	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1186	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
820		1188
821	sync_job {	1189	sync_job {
822	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
825		1194
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1202	aio_close $fh;
831		1203
832	if (@$objs) {	1204	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1213	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
840	}	1215	}
841	} else {	1216	} else {
842	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
843	}	1218	}
844		1219
845	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1224	} else {
847	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
848	}	1226	}
849	} else {	1227	} else {
850	aio_unlink $filename;	1228	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
852	}	1230	}
853	}	1231	};
854	}	1232	}
855		1233
856	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
858		1236
…		…
870	or return;	1248	or return;
871		1249
872	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
874	or return;	1252	or return;
		1253
875	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
876	}	1256	}
877		1257
		1258	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
880	return ($data, $av);	1262	($data, $av)
881	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
882		1270
883	#############################################################################	1271	#############################################################################
884	# command handling &c	1272	# command handling &c
885		1273
886	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1288	}
901		1289
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1291
904	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.
905		1297
906	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
907	called.	1299	called.
908		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
909	=cut	1312	=cut
910		1313
911	sub register_extcmd {	1314	sub register_extcmd {
912	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
913		1316
914	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
915	}	1318	}
916		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
917	cf::player->attach (	1328	cf::player->attach (
918	on_command => sub {	1329	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
920		1331
921	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
922	or return;	1333	or return;
923		1334
…		…
928	cf::override;	1339	cf::override;
929	},	1340	},
930	on_extcmd => sub {	1341	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
932		1343
933	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1345
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
941	} else {	1361	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1363	}
944		1364
945	cf::override;	1365	cf::override;
946	},	1366	},
947	);	1367	);
948		1368
		1369	# "readahead" all extensions
949	sub load_extension {	1370	sub cache_extensions {
950	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
951		1372
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1376	}
977	die $@;
978	}	1377	};
979		1378
980	push @EXTS, $pkg;	1379	$grp
981	}	1380	}
982		1381
983	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
984	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1387	next unless -r $path;
986	eval {	1388
987	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 $active;
		1448	}
988	1	1449	}
989	} or warn "$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	}
990	}	1460	};
991	}	1461	}
992		1462
993	#############################################################################	1463	#############################################################################
994		1464
		1465	=back
		1466
995	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
996		1468
997	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
998		1470
999	=cut	1471	=cut
1000		1472
1001	package cf::player;	1473	package cf::player;
1002		1474
1003	use Coro::AIO;	1475	use Coro::AIO;
1004		1476
1005	=head3 cf::player	1477	=head3 cf::player
1006		1478
1007	=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	}
1008		1494
1009	=item cf::player::find $login	1495	=item cf::player::find $login
1010		1496
1011	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
1012		1498
…		…
1031		1517
1032	sub exists($) {	1518	sub exists($) {
1033	my ($login) = @_;	1519	my ($login) = @_;
1034		1520
1035	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1522	or !aio_stat path $login
1037	}	1523	}
1038		1524
1039	sub find($) {	1525	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1527	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1537	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1538
1053	my $pl = load_pl path $login	1539	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
1056	}	1548	}
1057	}	1549	}
1058	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($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	);
1059		1564
1060	sub save($) {	1565	sub save($) {
1061	my ($pl) = @_;	1566	my ($pl) = @_;
1062		1567
1063	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
1069		1574
1070	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
1074	Coro::cede;	1584	cf::cede_to_tick;
1075	}	1585	}
1076		1586
1077	sub new($) {	1587	sub new($) {
1078	my ($login) = @_;	1588	my ($login) = @_;
1079		1589
…		…
1085	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
1086		1596
1087	$self	1597	$self
1088	}	1598	}
1089		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
1090	=item $pl->quit_character	1610	=item $pl->quit_character
1091		1611
1092	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1094		1614
…		…
1098	my ($pl) = @_;	1618	my ($pl) = @_;
1099		1619
1100	my $name = $pl->ob->name;	1620	my $name = $pl->ob->name;
1101		1621
1102	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1103	$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
1104		1624
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1108	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1109		1631
1110	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1147	or return [];	1669	or return [];
1148		1670
1149	my @logins;	1671	my @logins;
1150		1672
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1155		1683
1156	utf8::decode $login;	1684	utf8::decode $login;
1157	push @logins, $login;	1685	push @logins, $login;
1158	}	1686	}
1159		1687
…		…
1186	}	1714	}
1187		1715
1188	\@paths	1716	\@paths
1189	}	1717	}
1190		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1191	=item $player->ext_reply ($msgid, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1192		1724
1193	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1194		1726
1195	=cut	1727	=cut
1196		1728
1197	sub ext_reply($$%) {	1729	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1199		1731
1200	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1733	}
1204		1734
1205	=item $player->ext_event ($type, %msg)	1735	=item $player->ext_msg ($type, @msg)
1206		1736
1207	Sends an ext event to the client.	1737	Sends an ext event to the client.
1208		1738
1209	=cut	1739	=cut
1210		1740
1211	sub ext_event($$%) {	1741	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1742	my ($self, $type, @msg) = @_;
1213		1743
1214	$self->ns->ext_event ($type, %msg);	1744	$self->ns->ext_msg ($type, @msg);
1215	}	1745	}
1216		1746
1217	=head3 cf::region	1747	=head3 cf::region
1218		1748
1219	=over 4	1749	=over 4
…		…
1222		1752
1223	package cf::region;	1753	package cf::region;
1224		1754
1225	=item cf::region::find_by_path $path	1755	=item cf::region::find_by_path $path
1226		1756
1227	Tries to decuce the probable region for a map knowing only its path.	1757	Tries to decuce the likely region for a map knowing only its path.
1228		1758
1229	=cut	1759	=cut
1230		1760
1231	sub find_by_path($) {	1761	sub find_by_path($) {
1232	my ($path) = @_;	1762	my ($path) = @_;
1233		1763
1234	my ($match, $specificity);	1764	my ($match, $specificity);
1235		1765
1236	for my $region (list) {	1766	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1767	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1768	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1769	if $region->specificity > $specificity;
1240	}	1770	}
1241	}	1771	}
1242		1772
…		…
1263	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1265		1795
1266	sub generate_random_map {	1796	sub generate_random_map {
1267	my ($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
1268	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1269	$self->_create_random_map (	1802	$self->_create_random_map (
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1306	my ($self, $merge) = @_;	1839	my ($self, $merge) = @_;
1307		1840
1308	# we have to keep some variables in memory intact	1841	# we have to keep some variables in memory intact
1309	local $self->{path};	1842	local $self->{path};
1310	local $self->{load_path};	1843	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1844
1314	$self->SUPER::thawer_merge ($merge);	1845	$self->SUPER::thawer_merge ($merge);
1315	}	1846	}
1316		1847
1317	sub normalise {	1848	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1365	return $self;	1896	return $self;
1366	}	1897	}
1367	}	1898	}
1368		1899
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1901	()
1371	}	1902	}
1372		1903
1373	sub init {	1904	sub init {
1374	my ($self) = @_;	1905	my ($self) = @_;
…		…
1396		1927
1397	# the temporary/swap location	1928	# the temporary/swap location
1398	sub save_path {	1929	sub save_path {
1399	my ($self) = @_;	1930	my ($self) = @_;
1400		1931
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	1933	"$TMPDIR/$path.map"
1403	}	1934	}
1404		1935
1405	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1406	sub uniq_path {	1937	sub uniq_path {
1407	my ($self) = @_;	1938	my ($self) = @_;
1408		1939
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	1941	"$UNIQUEDIR/$path"
1411	}	1942	}
1412		1943
1413	# and all this just because we cannot iterate over	1944	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	1945	my ($self) = @_;
1417		1946
1418	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1420	}	1950	}
1421		1951
1422	sub unlink_save {	1952	sub unlink_save {
1423	my ($self) = @_;	1953	my ($self) = @_;
1424		1954
…		…
1429		1959
1430	sub load_header_from($) {	1960	sub load_header_from($) {
1431	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1432		1962
1433	utf8::encode $path;	1963	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1972
1440	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1441		1974
1442	1	1975	1
1443	}	1976	}
…		…
1482	$self->load_header_orig	2015	$self->load_header_orig
1483	or return;	2016	or return;
1484	$self->prepare_orig;	2017	$self->prepare_orig;
1485	}	2018	}
1486		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
1487	$self->default_region (cf::region::find_by_path $self->{path})	2023	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2024	unless $self->default_region;
1489		2025
1490	1	2026	1
1491	}	2027	}
…		…
1494	sub find {	2030	sub find {
1495	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1496		2032
1497	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1498		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2037
1501	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1504	or return;	2040	or return;
1505		2041
1506	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1507		2043
1508	$map->load_header	2044	$map->load_header
1509	or return;	2045	or return;
1510		2046
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1514	$map->reset;	2052	$map->reset;
1515	undef $guard;
1516	return find $path;	2053	return find $path;
1517	}	2054	}
1518		2055
1519	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1520	}	2057	}
1521	}	2058	}
1522		2059
1523	sub pre_load { }	2060	sub pre_load { }
1524	sub post_load { }	2061	#sub post_load { } # XS
1525		2062
1526	sub load {	2063	sub load {
1527	my ($self) = @_;	2064	my ($self) = @_;
1528		2065
1529	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1530		2067
1531	my $path = $self->{path};	2068	my $path = $self->{path};
1532		2069
1533	{	2070	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1535		2072
		2073	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2075
1538	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1539		2077
1540	$self->alloc;	2078	$self->alloc;
1541		2079
1542	$self->pre_load;	2080	$self->pre_load;
1543	Coro::cede;	2081	cf::cede_to_tick;
1544		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2085	$self->_load_objects ($f)
1546	or return;	2086	or return;
1547		2087
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1549	if delete $self->{load_original};	2089	if delete $self->{load_original};
1550		2090
1551	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2092	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2095	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1556	}	2099	}
1557	}	2100	}
1558		2101
1559	Coro::cede;	2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1560	# now do the right thing for maps	2105	# now do the right thing for maps
1561	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2108	unless $self->difficulty;
1564	Coro::cede;	2109	cf::cede_to_tick;
1565		2110
1566	unless ($self->{deny_activate}) {	2111	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2112	$self->decay_objects;
1568	$self->fix_auto_apply;	2113	$self->fix_auto_apply;
1569	$self->update_buttons;	2114	$self->update_buttons;
1570	Coro::cede;	2115	cf::cede_to_tick;
1571	$self->set_darkness_map;
1572	Coro::cede;
1573	$self->activate;	2116	$self->activate;
1574	}	2117	}
1575		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1577	}	2123	}
1578		2124
1579	$self->post_load;	2125	$self->post_load;
1580	}	2126	}
1581		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2131	sub customise_for {
1583	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1584		2133
1585	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2135	if $self->per_player;
1587		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1588	$self	2140	$self
1589	}	2141	}
1590		2142
1591	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2144	sub load_neighbours {
1593	my ($map) = @_;	2145	my ($map) = @_;
1594		2146
1595	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1596		2148
1597	for (0 .. 3) {	2149	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1599	or next;	2151	or next;
1600	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1601	or next;	2153	or next;
1602	$neigh->load;	2154	$neigh->load;
1603		2155
		2156	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2159	}
1607		2160
1608	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1610	or next;	2164	or next;
1611	$neigh->load;	2165	$neigh->load;
1612	}	2166	}
1613	}	2167	}
1614		2168
…		…
1619	}	2173	}
1620		2174
1621	sub do_load_sync {	2175	sub do_load_sync {
1622	my ($map) = @_;	2176	my ($map) = @_;
1623		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1624	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1625	}	2182	}
1626		2183
1627	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2185	our $MAP_PREFETCHER = undef;
1629		2186
1630	sub find_async {	2187	sub find_async {
1631	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1632		2189
1633	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1634		2191
1635	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637	}	2194	}
1638		2195
1639	undef $MAP_PREFETCH{$path};	2196	$MAP_PREFETCH{$path} |= $load;
		2197
1640	$MAP_PREFETCHER ||= cf::async {	2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
1641	while (%MAP_PREFETCH) {	2201	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2202	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2203	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2204	$map->load if $v;
		2205	}
1646		2206
1647	delete $MAP_PREFETCH{$path};	2207	delete $MAP_PREFETCH{$k};
1648	}	2208	}
1649	}	2209	}
1650	undef $MAP_PREFETCHER;	2210	undef $MAP_PREFETCHER;
1651	};	2211	};
1652	$MAP_PREFETCHER->prio (6);	2212	$MAP_PREFETCHER->prio (6);
1653		2213
1654	()	2214	()
1655	}	2215	}
1656		2216
		2217	# common code, used by both ->save and ->swapout
1657	sub save {	2218	sub _save {
1658	my ($self) = @_;	2219	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2220
1662	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1663		2222
1664	return unless $self->dirty;	2223	return unless $self->dirty;
1665		2224
…		…
1671	return if $self->{deny_save};	2230	return if $self->{deny_save};
1672		2231
1673	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1674		2233
1675	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1677	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1678		2240
1679	if ($uniq) {	2241	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2244	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2246	}
1685	}	2247	}
1686		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1687	sub swap_out {	2257	sub swap_out {
1688	my ($self) = @_;	2258	my ($self) = @_;
1689		2259
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1695	return if $self->players;	2264	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1699	$self->clear;	2275	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2276	}
1702		2277
1703	sub reset_at {	2278	sub reset_at {
1704	my ($self) = @_;	2279	my ($self) = @_;
1705		2280
1706	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1709		2283
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2286
…		…
1723	my ($self) = @_;	2297	my ($self) = @_;
1724		2298
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2300
1727	return if $self->players;	2301	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2302
1730	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
1731		2304
1732	$self->in_memory (cf::MAP_SWAPPED);	2305	$self->in_memory (cf::MAP_SWAPPED);
1733		2306
1734	# need to save uniques path	2307	# need to save uniques path
1735	unless ($self->{deny_save}) {	2308	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2312	if $uniq;
1740	}	2313	}
1741		2314
1742	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1743		2316
		2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2319	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2320
1748	$self->unlink_save;	2321	$self->unlink_save;
1749	$self->destroy;	2322	$self->destroy;
1750	}	2323	}
1751		2324
1752	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1753		2326
1754	sub nuke {	2327	sub nuke {
1755	my ($self) = @_;	2328	my ($self) = @_;
1756		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
1757	delete $cf::MAP{$self->path};	2333	delete $cf::MAP{$self->path};
1758		2334
1759	$self->unlink_save;	2335	$self->unlink_save;
1760		2336
1761	bless $self, "cf::map";	2337	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2338	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2342
1767	$cf::MAP{$self->path} = $self;	2343	$cf::MAP{$self->path} = $self;
		2344	}
1768		2345
1769	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
		2347	}
		2348
		2349	=item $maps = cf::map::tmp_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
		2366
		2367	=item $maps = cf::map::random_maps
		2368
		2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
		2371
		2372	=cut
		2373
		2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
1770	}	2383	}
1771		2384
1772	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1773		2386
1774	Returns an arrayref of paths of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2388	instantiated unique items. May block.
1776		2389
1777	=cut	2390	=cut
1778		2391
1779	sub unique_maps() {	2392	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2393	[
1781	or return;	2394	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2395	utf8::decode $_;
1787	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2398	? ()
1790	push @paths, cf::map::normalise $_;	2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2401	]
1792
1793	\@paths
1794	}	2402	}
1795		2403
1796	package cf;	2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
		2425	s/\.map$// or next;
		2426	utf8::decode $_;
		2427	push @maps, "$dir/$_";
		2428	}
		2429
		2430	push @dirs, map "$dir/$_", @$dirs;
		2431	}
		2432
		2433	\@maps
		2434	}
1797		2435
1798	=back	2436	=back
1799		2437
1800	=head3 cf::object	2438	=head3 cf::object
1801		2439
…		…
1805		2443
1806	=over 4	2444	=over 4
1807		2445
1808	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1809		2447
1810	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
1811		2450
1812	=cut	2451	=cut
1813		2452
1814	sub inv_recursive_;	2453	sub inv_recursive_;
1815	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1818		2457
1819	sub inv_recursive {	2458	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1821	}	2460	}
1822		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
1823	package cf;	2490	package cf;
1824		2491
1825	=back	2492	=back
1826		2493
1827	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1836		2503
1837	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1838		2519
1839	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2521	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1844		2525
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2527
1847	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1849	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1852	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1853	}	2553	}
1854		2554
1855	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1856		2556
1857	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1870		2570
1871	=item $player_object->enter_link	2571	=item $player_object->enter_link
1872		2572
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2574
1875	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
1877		2579
1878	Will never block.	2580	Will never block.
1879		2581
1880	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1881		2583
…		…
1904	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1905		2607
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2609
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1910		2612
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2614	}
1913		2615
1914	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1916		2620
1917	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1918		2622
1919	unless ($map) {	2623	unless ($map) {
1920	# restore original map position	2624	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1933		2637
1934	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1937		2641
1938	$map->load;	2642	$map->load;
1939	$map->load_diag;	2643	$map->load_neighbours;
1940		2644
1941	return unless $self->contr->active;	2645	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2646
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2648	$self->enter_map ($map, $x, $y);
1946	}
1947		2649
1948	cf::player->attach (	2650	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2651	$self->activate_recursive;
1950	my ($pl) = @_;	2652	}
1951		2653
1952	# abort map switching before logout	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2655
1962	# try to abort aborted map switching on player login :)	2656	Moves the player to the given map-path and coordinates by first freezing
1963	# should happen only on crashes	2657	her, loading and preparing them map, calling the provided $check callback
1964	if ($pl->ob->{_link_pos}) {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1965	$pl->ob->enter_link;	2659	the new (success) or old (failed) map position. In either case, $done will
1966	(async {	2660	be called at the end of this process.
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2661
1980	=item $player_object->goto ($path, $x, $y)	2662	Note that $check will be called with a potentially non-loaded map, so if
		2663	it needs a loaded map it has to call C<< ->load >>.
1981		2664
1982	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1983		2668
1984	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1985	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986		2674
1987	$self->enter_link;	2675	$self->enter_link;
1988		2676
1989	(async {	2677	(async {
		2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
1990	my $map = eval {	2699	my $map = eval {
1991	my $map = cf::map::find $path;	2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
		2704	$map = $check->($map) if $check && $map;
		2705	} else {
		2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
		2708
1993	$map	2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2715	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1998	})->prio (1);	2723	})->prio (1);
1999	}	2724	}
2000		2725
2001	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
2002		2727
…		…
2022	}	2747	}
2023		2748
2024	sub prepare_random_map {	2749	sub prepare_random_map {
2025	my ($exit) = @_;	2750	my ($exit) = @_;
2026		2751
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2752	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2753	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2754	# that depends on the exit object
2032		2755
2033	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2758	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2759	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
2040	}	2765	}
2041		2766
2042	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
2043		2768
2044	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2771	my $meta = "$RANDOMDIR/$md5.meta";
2047		2772
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2775	undef $fh;
2051	aio_rename "$meta~", $meta;	2776	aio_rename "$meta~", $meta;
2052		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
2055	}	2784	}
2056	}	2785	}
2057		2786
2058	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
2060		2789
2061	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
2062		2791
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2792	$self->enter_link;
2075		2793
2076	(async {	2794	(async {
2077	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
2078	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
		2804	prepare_random_map $exit
		2805	if $exit->slaying eq "/!";
		2806	}
		2807
		2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
		2811
2079	$self->goto ($slaying, $hp, $sp);	2812	$self->goto ($map, $x, $y);
2080		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
2081	1;	2818	1
2082	}) {	2819	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
2085	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
2087		2824
2088	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
…		…
2107		2844
2108	utf8::encode $text;	2845	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2847	}
2111		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
2112	=item $client->ext_event ($type, %msg)	3036	=item $client->ext_msg ($type, @msg)
2113		3037
2114	Sends an exti event to the client.	3038	Sends an ext event to the client.
2115		3039
2116	=cut	3040	=cut
2117		3041
2118	sub cf::client::ext_event($$%) {	3042	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3043	my ($self, $type, @msg) = @_;
2120		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3048	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
2123	}	3069	}
2124		3070
2125	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
2126		3072
2127	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		3076
2131	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	3078	become reliable at some point in the future.
2133		3079
2134	=cut	3080	=cut
2135		3081
2136	sub cf::client::query {	3082	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3091	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3093
2148	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
2150	}	3098	}
2151		3099
2152	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
2153	on_reply => sub {	3106	on_reply => sub {
2154	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
2155		3108
2156	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
2157	# get handled first	3110	# get handled first
…		…
2169	} else {	3122	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3124	}
2172	}	3125	}
2173	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
2174	);	3153	);
2175		3154
2176	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
2177		3156
2178	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3173
2195	$coro	3174	$coro
2196	}	3175	}
2197		3176
2198	cf::client->attach (	3177	cf::client->attach (
2199	on_destroy => sub {	3178	on_client_destroy => sub {
2200	my ($ns) = @_;	3179	my ($ns) = @_;
2201		3180
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3182	},
2204	);	3183	);
…		…
2219	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
2221		3200
2222	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
2223		3202
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
2225		3208
2226	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
2227		3210
2228	=pod	3211	=pod
2229		3212
2230	The following functions and methods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
2231		3214
2232	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2233	cf::object::player player	3220	cf::object::player
2234	cf::player peaceful	3221	player
2235	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2236		3228
2237	=cut	3229	=cut
2238		3230
2239	for (	3231	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2241	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2244	) {	3238	) {
2245	no strict 'refs';	3239	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2265		3259
2266	my $qcode = $code;	3260	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2269		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2270	local $_;	3267	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3268
2273	my $eval =	3269	my $eval =
2274	"do {\n"	3270	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3273	. $code
2278	. "\n}"	3274	. "\n}"
2279	;	3275	;
2280		3276
		3277	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2284		3286
2285	if ($@) {	3287	if ($@) {
2286	warn "$@";	3288	warn "$@";
2287	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2288	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2307	=cut	3309	=cut
2308		3310
2309	sub register_script_function {	3311	sub register_script_function {
2310	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2311		3313
2312	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2314	}	3316	}
2315		3317
2316	=back	3318	=back
2317		3319
2318	=cut	3320	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3321
2494	#############################################################################	3322	#############################################################################
2495	# the server's init and main functions	3323	# the server's init and main functions
2496		3324
2497	sub load_facedata($) {	3325	sub load_facedata($) {
2498	my ($path) = @_;	3326	my ($path) = @_;
		3327
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3333
2500	warn "loading facedata from $path\n";	3334	warn "loading facedata from $path\n";
2501		3335
2502	my $facedata;	3336	my $facedata;
2503	0 < aio_load $path, $facedata	3337	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3340	$facedata = Coro::Storable::thaw $facedata;
2507		3341
2508	$facedata->{version} == 2	3342	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3344
		3345	# patch in the exptable
		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3347	$facedata->{resource}{"res/exp_table"} = {
		3348	type => FT_RSRC,
		3349	data => $exp_table,
		3350	hash => (Digest::MD5::md5 $exp_table),
		3351	};
		3352	cf::cede_to_tick;
		3353
2511	{	3354	{
2512	my $faces = $facedata->{faceinfo};	3355	my $faces = $facedata->{faceinfo};
2513		3356
2514	while (my ($face, $info) = each %$faces) {	3357	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3359
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3360	cf::face::set_visibility $idx, $info->{visibility};
		3361	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3364
		3365	cf::cede_to_tick;
2520	}	3366	}
2521		3367
2522	while (my ($face, $info) = each %$faces) {	3368	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3369	next unless $info->{smooth};
		3370
2524	my $idx = cf::face::find $face	3371	my $idx = cf::face::find $face
2525	or next;	3372	or next;
		3373
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3377	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3379	}
2531	Coro::cede;	3380
		3381	cf::cede_to_tick;
2532	}	3382	}
2533	}	3383	}
2534		3384
2535	{	3385	{
2536	my $anims = $facedata->{animinfo};	3386	my $anims = $facedata->{animinfo};
2537		3387
2538	while (my ($anim, $info) = each %$anims) {	3388	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3390	cf::cede_to_tick;
2541	}	3391	}
2542		3392
2543	cf::anim::invalidate_all; # d'oh	3393	cf::anim::invalidate_all; # d'oh
2544	}	3394	}
2545		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
2546	1	3415	1
2547	}	3416	}
2548		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
2549	sub reload_regions {	3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
2550	load_resource_file "$MAPDIR/regions"	3461	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
2552	}	3468	}
2553		3469
2554	sub reload_facedata {	3470	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3471	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3472	or die "unable to load facedata\n";
…		…
2567	}	3483	}
2568		3484
2569	sub reload_resources {	3485	sub reload_resources {
2570	warn "reloading resource files...\n";	3486	warn "reloading resource files...\n";
2571		3487
2572	reload_regions;
2573	reload_facedata;	3488	reload_facedata;
2574	reload_archetypes;	3489	reload_archetypes;
		3490	reload_regions;
2575	reload_treasures;	3491	reload_treasures;
2576		3492
2577	warn "finished reloading resource files\n";	3493	warn "finished reloading resource files\n";
2578	}	3494	}
2579		3495
2580	sub init {	3496	sub reload_config {
2581	reload_resources;	3497	warn "reloading config file...\n";
2582	}
2583		3498
2584	sub cfg_load {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3500	or return;
2587		3501
2588	local $/;	3502	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2590		3504
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592		3506
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2598	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2599	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2600	};	3514	};
2601	warn $@ if $@;	3515	warn $@ if $@;
2602	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2603	}	3547	}
2604		3548
2605	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2606	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3562	(async {
2610	Event::one_event;	3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3565	})->prio (Coro::PRIO_MAX);
2612	};	3566	};
2613		3567
2614	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
		3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
2615	db_init;	3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2616	load_extensions;	3591	load_extensions;
2617		3592
2618	$TICK_WATCHER->start;	3593	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2620	}	3606	}
2621		3607
2622	#############################################################################	3608	#############################################################################
2623	# initialisation and cleanup	3609	# initialisation and cleanup
2624		3610
2625	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2626	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2635	},
2636	);	3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
2637	}	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2638	}	3707	}
2639		3708
2640	sub emergency_save() {	3709	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2642		3711
2643	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2644		3713
2645	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2646	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3728	$pl->save;
2654	}	3729	}
2655	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2656		3731
2657	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3735	$map->valid or next;
2661	$map->save;	3736	$map->save;
2662	}	3737	}
2663	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
2664		3739
2665	warn "begin emergency database checkpoint\n";	3740	warn "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3741	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2668	};	3747	};
2669		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2670	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2671	}	3755	}
2672		3756
2673	sub post_cleanup {	3757	sub post_cleanup {
2674	my ($make_core) = @_;	3758	my ($make_core) = @_;
2675		3759
2676	warn Carp::longmess "post_cleanup backtrace"	3760	warn Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	warn "cleared package $pkg\n";#d#
2678	}	3791	}
2679		3792
2680	sub do_reload_perl() {	3793	sub do_reload_perl() {
2681	# can/must only be called in main	3794	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	3795	if ($Coro::current != $Coro::main) {
2683	warn "can only reload from main coroutine";	3796	warn "can only reload from main coroutine";
2684	return;	3797	return;
2685	}	3798	}
2686		3799
		3800	return if $RELOAD++;
		3801
		3802	my $t1 = AE::time;
		3803
		3804	while ($RELOAD) {
2687	warn "reloading...";	3805	warn "reloading...";
2688		3806
2689	warn "entering sync_job";	3807	warn "entering sync_job";
2690		3808
2691	cf::sync_job {	3809	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark	3810	cf::write_runtime_sync; # external watchdog should not bark
2693	cf::emergency_save;	3811	cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark	3812	cf::write_runtime_sync; # external watchdog should not bark
2695		3813
2696	warn "syncing database to disk";	3814	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;	3815	BDB::db_env_txn_checkpoint $DB_ENV;
2698		3816
2699	# if anything goes wrong in here, we should simply crash as we already saved	3817	# if anything goes wrong in here, we should simply crash as we already saved
2700		3818
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";	3819	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;	3820	while (IO::AIO::nreqs || BDB::nreqs) {
2712	warn "iterate...";	3821	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();
2720
2721	warn "removing commands";
2722	%COMMAND = ();
2723
2724	warn "removing ext commands";
2725	%EXTCMD = ();
2726
2727	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";
2730
2731	if (my $cb = $pkg->can ("unload")) {
2732	eval {
2733	$cb->($pkg);
2734	1
2735	} or warn "$pkg unloaded, but with errors: $@";
2736	}	3822	}
2737		3823
2738	warn "... nuking $pkg";	3824	warn "cancelling all extension coros";
2739	Symbol::delete_package $pkg;	3825	$_->cancel for values %EXT_CORO;
2740	}	3826	%EXT_CORO = ();
2741		3827
2742	warn "unloading all perl modules loaded from $LIBDIR";	3828	warn "removing commands";
2743	while (my ($k, $v) = each %INC) {	3829	%COMMAND = ();
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		3830
		3831	warn "removing ext/exti commands";
		3832	%EXTCMD = ();
		3833	%EXTICMD = ();
		3834
		3835	warn "unloading/nuking all extensions";
		3836	for my $pkg (@EXTS) {
2746	warn "... unloading $k";	3837	warn "... unloading $pkg";
2747	delete $INC{$k};
2748		3838
2749	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;
2751
2752	if (my $cb = $k->can ("unload_module")) {	3839	if (my $cb = $pkg->can ("unload")) {
		3840	eval {
2753	$cb->();	3841	$cb->($pkg);
		3842	1
		3843	} or warn "$pkg unloaded, but with errors: $@";
		3844	}
		3845
		3846	warn "... clearing $pkg";
		3847	clear_package $pkg;
2754	}	3848	}
2755		3849
2756	Symbol::delete_package $k;	3850	warn "unloading all perl modules loaded from $LIBDIR";
		3851	while (my ($k, $v) = each %INC) {
		3852	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3853
		3854	warn "... unloading $k";
		3855	delete $INC{$k};
		3856
		3857	$k =~ s/\.pm$//;
		3858	$k =~ s/\//::/g;
		3859
		3860	if (my $cb = $k->can ("unload_module")) {
		3861	$cb->();
		3862	}
		3863
		3864	clear_package $k;
2757	}	3865	}
2758		3866
2759	warn "getting rid of safe::, as good as possible";	3867	warn "getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	3868	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3869	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		3870
2763	warn "unloading cf.pm \"a bit\"";	3871	warn "unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	3872	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	3873	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		3874
2767	# don't, removes xs symbols, too,	3875	# don't, removes xs symbols, too,
2768	# and global variables created in xs	3876	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	3877	#clear_package __PACKAGE__;
2770		3878
2771	warn "unload completed, starting to reload now";	3879	warn "unload completed, starting to reload now";
2772		3880
2773	warn "reloading cf.pm";	3881	warn "reloading cf.pm";
2774	require cf;	3882	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3883	cf::_connect_to_perl_1;
2776		3884
2777	warn "loading config and database again";	3885	warn "loading config and database again";
2778	cf::cfg_load;	3886	cf::reload_config;
2779		3887
2780	warn "loading extensions";	3888	warn "loading extensions";
2781	cf::load_extensions;	3889	cf::load_extensions;
2782		3890
		3891	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	3892	warn "reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	3893	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	3894	warn "reattaching attachments to maps";
2786	reattach $_ for values %MAP;	3895	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	3896	warn "reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	3897	reattach $_ for values %PLAYER;
		3898	}
2789		3899
		3900	warn "running post_init jobs";
		3901	(pop @POST_INIT)->(1) while @POST_INIT;
		3902
2790	warn "leaving sync_job";	3903	warn "leaving sync_job";
2791		3904
2792	1	3905	1
2793	} or do {	3906	} or do {
2794	warn $@;	3907	warn $@;
2795	warn "error while reloading, exiting.";	3908	cf::cleanup "error while reloading, exiting.";
2796	exit 1;
2797	};	3909	};
2798		3910
2799	warn "reloaded";	3911	warn "reloaded";
		3912	--$RELOAD;
		3913	}
		3914
		3915	$t1 = AE::time - $t1;
		3916	warn "reload completed in ${t1}s\n";
2800	};	3917	};
2801		3918
2802	our $RELOAD_WATCHER; # used only during reload	3919	our $RELOAD_WATCHER; # used only during reload
2803		3920
2804	sub reload_perl() {	3921	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	3922	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	3923	# coro crashes during coro_state_free->destroy here.
2807		3924
2808	$RELOAD_WATCHER ||= Event->timer (	3925	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	3926	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	3927
2811	data => WF_AUTOCANCEL,	3928	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	3929	do_reload_perl;
2814	undef $RELOAD_WATCHER;	3930	undef $RELOAD_WATCHER;
2815	},	3931	};
2816	);	3932	};
2817	}	3933	}
2818		3934
2819	register_command "reload" => sub {	3935	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3936	my ($who, $arg) = @_;
2821		3937
2822	if ($who->flag (FLAG_WIZ)) {	3938	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3939	$who->message ("reloading server.");
		3940	async {
		3941	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3942	reload_perl;
		3943	};
2825	}	3944	}
2826	};	3945	};
2827		3946
2828	unshift @INC, $LIBDIR;	3947	unshift @INC, $LIBDIR;
2829		3948
…		…
2831		3950
2832	our @WAIT_FOR_TICK;	3951	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;	3952	our @WAIT_FOR_TICK_BEGIN;
2834		3953
2835	sub wait_for_tick {	3954	sub wait_for_tick {
2836	return unless $TICK_WATCHER->is_active;
2837	return if $Coro::current == $Coro::main;	3955	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838		3956
2839	my $signal = new Coro::Signal;	3957	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK, $signal;	3958	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;	3959	$signal->wait;
2842	}	3960	}
2843		3961
2844	sub wait_for_tick_begin {	3962	sub wait_for_tick_begin {
2845	return unless $TICK_WATCHER->is_active;
2846	return if $Coro::current == $Coro::main;	3963	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2847		3964
2848	my $signal = new Coro::Signal;	3965	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	3966	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	3967	$signal->wait;
2851	}	3968	}
2852		3969
2853	$TICK_WATCHER = Event->timer (	3970	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	3971	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3972	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	3973	unless ++$bug_warning > 10;
2863	return;	3974	return;
2864	}	3975	}
2865		3976
2866	$NOW = $tick_start = Event::time;
2867
2868	cf::server_tick; # one server iteration	3977	cf::server_tick; # one server iteration
2869		3978
2870	$RUNTIME += $TICK;	3979	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2871	$NEXT_TICK += $TICK;
2872		3980
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3981	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3982	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	3983	Coro::async_pool {
		3984	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3985	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	3986	or warn "ERROR: unable to write runtime file: $!";
2878	};
2879	}	3987	};
		3988	}
2880		3989
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3990	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3991	$sig->send;
2886	}	3992	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3993	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3994	$sig->send;
2889	}	3995	}
2890		3996
2891	$NOW = Event::time;	3997	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3998	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3999
2902	_post_tick;	4000	if (0) {
2903		4001	if ($NEXT_TICK) {
2904		4002	my $jitter = $TICK_START - $NEXT_TICK;
		4003	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4004	warn "jitter $JITTER\n";#d#
		4005	}
2905	},	4006	}
2906	);	4007	}
2907		4008
2908	{	4009	{
2909	BDB::max_poll_time $TICK * 0.1;	4010	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4011
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4012	BDB::min_parallel 16;
2919		4013	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4014	$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4015
2935	unless ($DB_ENV) {	4016	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4017	$DB_ENV = BDB::db_env_create;
		4018	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4019	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4020	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4021	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4022	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4023
2938	cf::sync_job {	4024	cf::sync_job {
2939	eval {	4025	eval {
2940	BDB::db_env_open	4026	BDB::db_env_open
2941	$DB_ENV,	4027	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4031	0666;
2946		4032
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4034	};
2952		4035
2953	cf::cleanup "db_env_open(db): $@" if $@;	4036	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4037	};
2955	}	4038	}
		4039
		4040	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4041	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4042	};
		4043	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4044	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4045	};
		4046	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4047	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4048	};
2956	}	4049	}
2957		4050
2958	{	4051	{
		4052	# configure IO::AIO
		4053
2959	IO::AIO::min_parallel 8;	4054	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4055	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4056	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4057	}
2972		4058
2973	my $_log_backtrace;	4059	my $_log_backtrace;
2974		4060
2975	sub _log_backtrace {	4061	sub _log_backtrace {
…		…
2978	$msg =~ s/\n//;	4064	$msg =~ s/\n//;
2979		4065
2980	# limit the # of concurrent backtraces	4066	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4067	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	4068	++$_log_backtrace;
		4069	my $perl_bt = Carp::longmess $msg;
2983	async {	4070	async {
		4071	$Coro::current->{desc} = "abt $msg";
		4072
2984	my @bt = fork_call {	4073	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4074	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4075	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4076	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4077	or die "addr2line: $!";
…		…
2996	}	4085	}
2997		4086
2998	@funcs	4087	@funcs
2999	};	4088	};
3000		4089
3001	LOG llevInfo, "[ABT] $msg\n";	4090	LOG llevInfo, "[ABT] $perl_bt\n";
		4091	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4092	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4093	--$_log_backtrace;
3004	};	4094	};
3005	} else {	4095	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4097	LOG llevInfo, "[ABT] [suppressed]\n";
3008	}	4098	}
3009	}	4099	}
3010		4100
3011	# load additional modules	4101	# load additional modules
3012	use cf::pod;	4102	require "cf/$_.pm" for @EXTRA_MODULES;
		4103	cf::_connect_to_perl_2;
3013		4104
3014	END { cf::emergency_save }	4105	END { cf::emergency_save }
3015		4106
3016	1	4107	1
3017		4108

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