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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	98	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
71		115
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	118	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	123	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
82		127
83	our %CFG;	128	our %CFG;
84		129
85	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
87		133
88	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
91		137
92	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		140
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	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		184
116	#############################################################################	185	#############################################################################
117		186
118	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
119		188
…		…
155		224
156	The raw value load value from the last tick.	225	The raw value load value from the last tick.
157		226
158	=item %cf::CFG	227	=item %cf::CFG
159		228
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	230	from wherever your confdir points to.
162		231
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	232	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		233
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	235	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
169	=back	250	=back
170		251
171	=cut	252	=cut
172		253
173	BEGIN {	254	$Coro::State::WARNHOOK = sub {
174	*CORE::GLOBAL::warn = sub {
175	my $msg = join "", @_;	255	my $msg = join "", @_;
176		256
177	$msg .= "\n"	257	$msg .= "\n"
178	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
179		259
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		261
182	utf8::encode $msg;
183	LOG llevError, $msg;	262	LOG llevError, $msg;
184	};	263	};
185	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
186		278
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		286
194	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	288	# within the Safe compartment.
196	for my $pkg (qw(	289	for my $pkg (qw(
197	cf::global cf::attachable	290	cf::global cf::attachable
198	cf::object cf::object::player	291	cf::object cf::object::player
199	cf::client cf::player	292	cf::client cf::player
200	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
201	cf::map cf::party cf::region	295	cf::party cf::region
202	)) {	296	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	298	}
206		299
207	$Event::DIED = sub {	300	$EV::DIED = sub {
208	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
209	};	302	};
		303
		304	#############################################################################
210		305
211	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
212		307
213	=over 4	308	=over 4
214		309
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	329	$d
235	} || "[unable to dump $_[0]: '$@']";	330	} || "[unable to dump $_[0]: '$@']";
236	}	331	}
237		332
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
241		334
242	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
243		336
244	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
245		338
246	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
247		340
		341	=cut
		342
		343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		344
		345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
		360	}
		361
248	=item cf::lock_wait $string	362	=item cf::lock_wait $string
249		363
250	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
251		365
252	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
253		367
254	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
257	returned.	371	returned.
258		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
259	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
261		378
262	=item $locked = cf::lock_active $string	379	=item $locked = cf::lock_active $string
263		380
264	Return true if the lock is currently active, i.e. somebody has locked it.	381	Return true if the lock is currently active, i.e. somebody has locked it.
265		382
266	=cut	383	=cut
267		384
268	our %LOCK;	385	our $LOCKS = new Coro::SemaphoreSet;
269		386
270	sub lock_wait($) {	387	sub lock_wait($) {
271	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	389	}
279		390
280	sub lock_acquire($) {	391	sub lock_acquire($) {
281	my ($key) = @_;	392	$LOCKS->guard ($_[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	}	393	}
293		394
294	sub lock_active($) {	395	sub lock_active($) {
295	my ($key) = @_;	396	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	397	}
299		398
300	sub freeze_mainloop {	399	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
302		401
303	my $guard = Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	403	}
		404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
305	};	469	}
306	$TICK_WATCHER->stop;	470	};
307	$guard	471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
308	}	485	}
309		486
310	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
311		488
312	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		494
318	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
319		496
320	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
321		498
322	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
325		503
326	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
329	fast or be very important.	507	fast or be very important.
…		…
332		510
333	sub sync_job(&) {	511	sub sync_job(&) {
334	my ($job) = @_;	512	my ($job) = @_;
335		513
336	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	515	my $time = AE::time;
338		516
339	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
341		519
342	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	521
344	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
345		523
346	my $busy = 1;	524	my $busy = 1;
347	my @res;	525	my @res;
348		526
349	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	529	@res = eval { $job->() };
351	warn $@ if $@;	530	warn $@ if $@;
352	undef $busy;	531	undef $busy;
353	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
354		533
355	while ($busy) {	534	while ($busy) {
356	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
357	}	539	}
		540	}
358		541
359	$time = Event::time - $time;	542	my $time = AE::time - $time;
360		543
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	544	$TICK_START += $time; # do not account sync jobs to server load
365		545
366	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
367	} else {	547	} else {
368	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
369		549
…		…
389	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
390		570
391	$coro	571	$coro
392	}	572	}
393		573
394	sub write_runtime {	574	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		575
397	# first touch the runtime file to show we are still running:	576	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
399		580
400	IO::AIO::aio_utime $runtime, undef, undef;	581	=cut
401		582
402	my $guard = cf::lock_acquire "write_runtime";	583	sub fork_call(&@) {
		584	my ($cb, @args) = @_;
403		585
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	586	# we seemingly have to make a local copy of the whole thing,
405	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
406		589
407	my $value = $cf::RUNTIME + 90 + 10;	590	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	591	reset_signals;
409	# 60 allows for the watchdog to kill the server.	592	&$cb
		593	}, @args;
410		594
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	595	wantarray ? @res : $res[-1]
412	and return;	596	}
413		597
414	# always fsync - this file is important	598	sub objinfo {
415	aio_fsync $fh
416	and return;
417
418	# touch it again to show we are up-to-date
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
430	}	761	}
431		762
432	=item cf::datalog type => key => value, ...	763	=item cf::datalog type => key => value, ...
433		764
434	Log a datalog packet of the given type with the given key-value pairs.	765	Log a datalog packet of the given type with the given key-value pairs.
…		…
446		777
447	#############################################################################	778	#############################################################################
448		779
449	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
450		781
451	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
452	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
454		785
455	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	788	Deliantra).
458		789
459	=over 4	790	=over 4
460		791
461	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
462		793
…		…
506	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
507		838
508	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
510		841
511	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
512	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
513		844
514	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
515		846
516	=over 4	847	=over 4
…		…
664	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
665	}	996	}
666		997
667	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
668	} else {	999	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	1001	}
671		1002
672	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
673	}	1004	}
674		1005
…		…
714	";	1045	";
715	die if $@;	1046	die if $@;
716	}	1047	}
717		1048
718	our $override;	1049	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1051
721	sub override {	1052	sub override {
722	$override = 1;	1053	$override = 1;
723	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
724	}	1055	}
725		1056
726	sub do_invoke {	1057	sub do_invoke {
727	my $event = shift;	1058	my $event = shift;
728	my $callbacks = shift;	1059	my $callbacks = shift;
729		1060
730	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
731		1062
732	local $override;	1063	local $override;
733		1064
734	for (@$callbacks) {	1065	for (@$callbacks) {
735	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
744	}	1075	}
745		1076
746	0	1077	0
747	}	1078	}
748		1079
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1081
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1083
753	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
754		1085
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1089
759	=back	1090	=back
760		1091
761	=cut	1092	=cut
762		1093
763	#############################################################################	1094	#############################################################################
764	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
765		1138
766	sub reattach {	1139	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1141	my ($obj) = @_;
769		1142
		1143	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1145
772	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
773		1147
774	@$registry = ();	1148	@$registry = ();
775		1149
…		…
790	cf::attachable->attach (	1164	cf::attachable->attach (
791	prio => -1000000,	1165	prio => -1000000,
792	on_instantiate => sub {	1166	on_instantiate => sub {
793	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
794		1168
795	$data = from_json $data;	1169	$data = decode_json $data;
796		1170
797	for (@$data) {	1171	for (@$data) {
798	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
799		1173
800	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1190	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
818		1192
819	sync_job {	1193	sync_job {
820	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
823		1198
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1204	aio_fsync $fh;
		1205	}
828	close $fh;	1206	aio_close $fh;
829		1207
830	if (@$objs) {	1208	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1215	aio_fsync $fh;
		1216	}
836	close $fh;	1217	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
838	}	1219	}
839	} else {	1220	} else {
840	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
841	}	1222	}
842		1223
843	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1228	} else {
845	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
846	}	1230	}
847	} else {	1231	} else {
848	aio_unlink $filename;	1232	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
850	}	1234	}
851	}	1235	};
852	}	1236	}
853		1237
854	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
856		1240
…		…
868	or return;	1252	or return;
869		1253
870	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
872	or return;	1256	or return;
		1257
873	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
874	}	1260	}
875		1261
		1262	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
878	return ($data, $av);	1266	($data, $av)
879	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
880		1274
881	#############################################################################	1275	#############################################################################
882	# command handling &c	1276	# command handling &c
883		1277
884	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1292	}
899		1293
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1295
902	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
903		1301
904	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
905	called.	1303	called.
906		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
907	=cut	1316	=cut
908		1317
909	sub register_extcmd {	1318	sub register_extcmd {
910	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
911		1320
912	$EXTCMD{$name} = $cb;	1321	$EXTCMD{$name} = $cb;
913	}	1322	}
914		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
		1331
915	cf::player->attach (	1332	cf::player->attach (
916	on_command => sub {	1333	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
918		1335
919	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
920	or return;	1337	or return;
921		1338
…		…
926	cf::override;	1343	cf::override;
927	},	1344	},
928	on_extcmd => sub {	1345	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
930		1347
931	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1349
933	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
939	} else {	1365	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1367	}
942		1368
943	cf::override;	1369	cf::override;
944	},	1370	},
945	);	1371	);
946		1372
		1373	# "readahead" all extensions
947	sub load_extension {	1374	sub cache_extensions {
948	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
949		1376
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1380	}
975	die $@;
976	}	1381	};
977		1382
978	push @EXTS, $pkg;	1383	$grp
979	}	1384	}
980		1385
981	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
982	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1391	next unless -r $path;
984	eval {	1392
985	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
986	1	1456	}
987	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
988	}	1467	};
989	}	1468	}
990		1469
991	#############################################################################	1470	#############################################################################
992		1471
		1472	=back
		1473
993	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
994		1475
995	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
996		1477
997	=cut	1478	=cut
998		1479
999	package cf::player;	1480	package cf::player;
1000		1481
1001	use Coro::AIO;	1482	use Coro::AIO;
1002		1483
1003	=head3 cf::player	1484	=head3 cf::player
1004		1485
1005	=over 4	1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
1006		1501
1007	=item cf::player::find $login	1502	=item cf::player::find $login
1008		1503
1009	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1010		1505
…		…
1029		1524
1030	sub exists($) {	1525	sub exists($) {
1031	my ($login) = @_;	1526	my ($login) = @_;
1032		1527
1033	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1529	or !aio_stat path $login
1035	}	1530	}
1036		1531
1037	sub find($) {	1532	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1534	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1544	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1545
1051	my $pl = load_pl path $login	1546	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1054	}	1555	}
1055	}	1556	}
1056	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1057		1571
1058	sub save($) {	1572	sub save($) {
1059	my ($pl) = @_;	1573	my ($pl) = @_;
1060		1574
1061	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1067		1581
1068	aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1070		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1071	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1072	Coro::cede;	1591	cf::cede_to_tick;
1073	}	1592	}
1074		1593
1075	sub new($) {	1594	sub new($) {
1076	my ($login) = @_;	1595	my ($login) = @_;
1077		1596
…		…
1083	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1084		1603
1085	$self	1604	$self
1086	}	1605	}
1087		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
1088	=item $pl->quit_character	1617	=item $pl->quit_character
1089		1618
1090	Nukes the player without looking back. If logged in, the connection will	1619	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1620	be destroyed. May block for a long time.
1092		1621
…		…
1096	my ($pl) = @_;	1625	my ($pl) = @_;
1097		1626
1098	my $name = $pl->ob->name;	1627	my $name = $pl->ob->name;
1099		1628
1100	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1631
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1106	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1107		1638
1108	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1145	or return [];	1676	or return [];
1146		1677
1147	my @logins;	1678	my @logins;
1148		1679
1149	for my $login (@$dirs) {	1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1687	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
1153		1690
1154	utf8::decode $login;	1691	utf8::decode $login;
1155	push @logins, $login;	1692	push @logins, $login;
1156	}	1693	}
1157		1694
…		…
1184	}	1721	}
1185		1722
1186	\@paths	1723	\@paths
1187	}	1724	}
1188		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1189	=item $player->ext_reply ($msgid, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1190		1731
1191	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1192		1733
1193	=cut	1734	=cut
1194		1735
1195	sub ext_reply($$%) {	1736	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1197		1738
1198	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1740	}
1202		1741
1203	=item $player->ext_event ($type, %msg)	1742	=item $player->ext_msg ($type, @msg)
1204		1743
1205	Sends an ext event to the client.	1744	Sends an ext event to the client.
1206		1745
1207	=cut	1746	=cut
1208		1747
1209	sub ext_event($$%) {	1748	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1749	my ($self, $type, @msg) = @_;
1211		1750
1212	$self->ns->ext_event ($type, %msg);	1751	$self->ns->ext_msg ($type, @msg);
1213	}	1752	}
1214		1753
1215	=head3 cf::region	1754	=head3 cf::region
1216		1755
1217	=over 4	1756	=over 4
…		…
1220		1759
1221	package cf::region;	1760	package cf::region;
1222		1761
1223	=item cf::region::find_by_path $path	1762	=item cf::region::find_by_path $path
1224		1763
1225	Tries to decuce the probable region for a map knowing only its path.	1764	Tries to decuce the likely region for a map knowing only its path.
1226		1765
1227	=cut	1766	=cut
1228		1767
1229	sub find_by_path($) {	1768	sub find_by_path($) {
1230	my ($path) = @_;	1769	my ($path) = @_;
1231		1770
1232	my ($match, $specificity);	1771	my ($match, $specificity);
1233		1772
1234	for my $region (list) {	1773	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1774	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1775	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1776	if $region->specificity > $specificity;
1238	}	1777	}
1239	}	1778	}
1240		1779
…		…
1261	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1263		1802
1264	sub generate_random_map {	1803	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1807
1266	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1267	$self->_create_random_map (	1809	$self->_create_random_map (
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1304	my ($self, $merge) = @_;	1846	my ($self, $merge) = @_;
1305		1847
1306	# we have to keep some variables in memory intact	1848	# we have to keep some variables in memory intact
1307	local $self->{path};	1849	local $self->{path};
1308	local $self->{load_path};	1850	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1851
1312	$self->SUPER::thawer_merge ($merge);	1852	$self->SUPER::thawer_merge ($merge);
1313	}	1853	}
1314		1854
1315	sub normalise {	1855	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1902	$self->init; # pass $1 etc.
1363	return $self;	1903	return $self;
1364	}	1904	}
1365	}	1905	}
1366		1906
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1908	()
1369	}	1909	}
1370		1910
1371	sub init {	1911	sub init {
1372	my ($self) = @_;	1912	my ($self) = @_;
…		…
1394		1934
1395	# the temporary/swap location	1935	# the temporary/swap location
1396	sub save_path {	1936	sub save_path {
1397	my ($self) = @_;	1937	my ($self) = @_;
1398		1938
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	1940	"$TMPDIR/$path.map"
1401	}	1941	}
1402		1942
1403	# the unique path, undef == no special unique path	1943	# the unique path, undef == no special unique path
1404	sub uniq_path {	1944	sub uniq_path {
1405	my ($self) = @_;	1945	my ($self) = @_;
1406		1946
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	1948	"$UNIQUEDIR/$path"
1409	}	1949	}
1410		1950
1411	# and all this just because we cannot iterate over	1951	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	1952	my ($self) = @_;
1415		1953
1416	$_->change_map_light ($change)	1954	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	1955
		1956	$self->do_decay_objects;
1418	}	1957	}
1419		1958
1420	sub unlink_save {	1959	sub unlink_save {
1421	my ($self) = @_;	1960	my ($self) = @_;
1422		1961
…		…
1427		1966
1428	sub load_header_from($) {	1967	sub load_header_from($) {
1429	my ($self, $path) = @_;	1968	my ($self, $path) = @_;
1430		1969
1431	utf8::encode $path;	1970	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1972	or return;
		1973
		1974	$self->_load_header ($f)
		1975	or return;
		1976
		1977	local $MAP_LOADING{$self->{path}} = $self;
		1978	$f->resolve_delayed_derefs;
1437		1979
1438	$self->{load_path} = $path;	1980	$self->{load_path} = $path;
1439		1981
1440	1	1982	1
1441	}	1983	}
…		…
1480	$self->load_header_orig	2022	$self->load_header_orig
1481	or return;	2023	or return;
1482	$self->prepare_orig;	2024	$self->prepare_orig;
1483	}	2025	}
1484		2026
		2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
		2029
1485	$self->default_region (cf::region::find_by_path $self->{path})	2030	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2031	unless $self->default_region;
1487		2032
1488	1	2033	1
1489	}	2034	}
…		…
1492	sub find {	2037	sub find {
1493	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1494		2039
1495	$path = normalise $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1496		2041
		2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2044
1499	$cf::MAP{$path} || do {	2045	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2046	my $map = new_from_path cf::map $path
1502	or return;	2047	or return;
1503		2048
1504	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1505		2050
1506	$map->load_header	2051	$map->load_header
1507	or return;	2052	or return;
1508		2053
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2055	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1512	$map->reset;	2059	$map->reset;
1513	undef $guard;
1514	return find $path;	2060	return find $path;
1515	}	2061	}
1516		2062
1517	$cf::MAP{$path} = $map	2063	$cf::MAP{$path} = $map
1518	}	2064	}
1519	}	2065	}
1520		2066
1521	sub pre_load { }	2067	sub pre_load { }
1522	sub post_load { }	2068	#sub post_load { } # XS
1523		2069
1524	sub load {	2070	sub load {
1525	my ($self) = @_;	2071	my ($self) = @_;
1526		2072
1527	local $self->{deny_reset} = 1; # loading can take a long time	2073	local $self->{deny_reset} = 1; # loading can take a long time
1528		2074
1529	my $path = $self->{path};	2075	my $path = $self->{path};
1530		2076
1531	{	2077	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2078	my $guard = cf::lock_acquire "map_data:$path";
1533		2079
		2080	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2082
1536	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1537		2084
1538	$self->alloc;	2085	$self->alloc;
1539		2086
1540	$self->pre_load;	2087	$self->pre_load;
1541	Coro::cede;	2088	cf::cede_to_tick;
1542		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2092	$self->_load_objects ($f)
1544	or return;	2093	or return;
1545		2094
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1547	if delete $self->{load_original};	2096	if delete $self->{load_original};
1548		2097
1549	if (my $uniq = $self->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2099	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2102	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1554	}	2106	}
1555	}	2107	}
1556		2108
1557	Coro::cede;	2109	$f->resolve_delayed_derefs;
		2110
		2111	cf::cede_to_tick;
1558	# now do the right thing for maps	2112	# now do the right thing for maps
1559	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2115	unless $self->difficulty;
1562	Coro::cede;	2116	cf::cede_to_tick;
1563		2117
1564	unless ($self->{deny_activate}) {	2118	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2119	$self->decay_objects;
1566	$self->fix_auto_apply;	2120	$self->fix_auto_apply;
1567	$self->update_buttons;	2121	$self->update_buttons;
1568	Coro::cede;	2122	cf::cede_to_tick;
1569	$self->set_darkness_map;
1570	Coro::cede;
1571	$self->activate;	2123	$self->activate;
1572	}	2124	}
1573		2125
		2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
		2128
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
1575	}	2130	}
1576		2131
1577	$self->post_load;	2132	$self->post_load;
1578	}	2133	}
1579		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2138	sub customise_for {
1581	my ($self, $ob) = @_;	2139	my ($self, $ob) = @_;
1582		2140
1583	return find "~" . $ob->name . "/" . $self->{path}	2141	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2142	if $self->per_player;
1585		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
1586	$self	2147	$self
1587	}	2148	}
1588		2149
1589	# find and load all maps in the 3x3 area around a map	2150	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2151	sub load_neighbours {
1591	my ($map) = @_;	2152	my ($map) = @_;
1592		2153
1593	my @diag; # diagonal neighbours	2154	my @neigh; # diagonal neighbours
1594		2155
1595	for (0 .. 3) {	2156	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2157	my $neigh = $map->tile_path ($_)
1597	or next;	2158	or next;
1598	$neigh = find $neigh, $map	2159	$neigh = find $neigh, $map
1599	or next;	2160	or next;
1600	$neigh->load;	2161	$neigh->load;
1601		2162
		2163	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2166	}
1605		2167
1606	for (@diag) {	2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2170	my $neigh = find $path, $origin
1608	or next;	2171	or next;
1609	$neigh->load;	2172	$neigh->load;
1610	}	2173	}
1611	}	2174	}
1612		2175
…		…
1617	}	2180	}
1618		2181
1619	sub do_load_sync {	2182	sub do_load_sync {
1620	my ($map) = @_;	2183	my ($map) = @_;
1621		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1622	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
1623	}	2189	}
1624		2190
1625	our %MAP_PREFETCH;	2191	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2192	our $MAP_PREFETCHER = undef;
1627		2193
1628	sub find_async {	2194	sub find_async {
1629	my ($path, $origin) = @_;	2195	my ($path, $origin, $load) = @_;
1630		2196
1631	$path = normalise $path, $origin && $origin->{path};	2197	$path = normalise $path, $origin && $origin->{path};
1632		2198
1633	if (my $map = $cf::MAP{$path}) {	2199	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635	}	2201	}
1636		2202
1637	undef $MAP_PREFETCH{$path};	2203	$MAP_PREFETCH{$path} |= $load;
		2204
1638	$MAP_PREFETCHER ||= cf::async {	2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
1639	while (%MAP_PREFETCH) {	2208	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2209	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2210	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2211	$map->load if $v;
		2212	}
1644		2213
1645	delete $MAP_PREFETCH{$path};	2214	delete $MAP_PREFETCH{$k};
1646	}	2215	}
1647	}	2216	}
1648	undef $MAP_PREFETCHER;	2217	undef $MAP_PREFETCHER;
1649	};	2218	};
1650	$MAP_PREFETCHER->prio (6);	2219	$MAP_PREFETCHER->prio (6);
1651		2220
1652	()	2221	()
1653	}	2222	}
1654		2223
		2224	# common code, used by both ->save and ->swapout
1655	sub save {	2225	sub _save {
1656	my ($self) = @_;	2226	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2227
1660	$self->{last_save} = $cf::RUNTIME;	2228	$self->{last_save} = $cf::RUNTIME;
1661		2229
1662	return unless $self->dirty;	2230	return unless $self->dirty;
1663		2231
…		…
1669	return if $self->{deny_save};	2237	return if $self->{deny_save};
1670		2238
1671	local $self->{last_access} = $self->last_access;#d#	2239	local $self->{last_access} = $self->last_access;#d#
1672		2240
1673	cf::async {	2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2243	$_->contr->save for $self->players;
1675	};	2244	};
		2245
		2246	cf::get_slot 0.02;
1676		2247
1677	if ($uniq) {	2248	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2251	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2253	}
1683	}	2254	}
1684		2255
		2256	sub save {
		2257	my ($self) = @_;
		2258
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
		2261	$self->_save;
		2262	}
		2263
1685	sub swap_out {	2264	sub swap_out {
1686	my ($self) = @_;	2265	my ($self) = @_;
1687		2266
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1693	return if $self->players;	2271	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1697	$self->clear;	2282	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2283	}
1700		2284
1701	sub reset_at {	2285	sub reset_at {
1702	my ($self) = @_;	2286	my ($self) = @_;
1703		2287
1704	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1707		2290
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2293
…		…
1721	my ($self) = @_;	2304	my ($self) = @_;
1722		2305
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2307
1725	return if $self->players;	2308	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2309
1728	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
1729		2311
1730	$self->in_memory (cf::MAP_SWAPPED);	2312	$self->in_memory (cf::MAP_SWAPPED);
1731		2313
1732	# need to save uniques path	2314	# need to save uniques path
1733	unless ($self->{deny_save}) {	2315	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2319	if $uniq;
1738	}	2320	}
1739		2321
1740	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1741		2323
		2324	$self->deactivate;
		2325	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2326	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2327
1746	$self->unlink_save;	2328	$self->unlink_save;
1747	$self->destroy;	2329	$self->destroy;
1748	}	2330	}
1749		2331
1750	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1751		2333
1752	sub nuke {	2334	sub nuke {
1753	my ($self) = @_;	2335	my ($self) = @_;
1754		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
1755	delete $cf::MAP{$self->path};	2340	delete $cf::MAP{$self->path};
1756		2341
1757	$self->unlink_save;	2342	$self->unlink_save;
1758		2343
1759	bless $self, "cf::map";	2344	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2345	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2349
1765	$cf::MAP{$self->path} = $self;	2350	$cf::MAP{$self->path} = $self;
		2351	}
1766		2352
1767	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
		2354	}
		2355
		2356	=item $maps = cf::map::tmp_maps
		2357
		2358	Returns an arrayref with all map paths of currently instantiated and saved
		2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
		2364	[
		2365	map {
		2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
		2372	}
		2373
		2374	=item $maps = cf::map::random_maps
		2375
		2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
		2378
		2379	=cut
		2380
		2381	sub random_maps() {
		2382	[
		2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
1768	}	2390	}
1769		2391
1770	=item cf::map::unique_maps	2392	=item cf::map::unique_maps
1771		2393
1772	Returns an arrayref of paths of all shared maps that have	2394	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2395	instantiated unique items. May block.
1774		2396
1775	=cut	2397	=cut
1776		2398
1777	sub unique_maps() {	2399	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2400	[
1779	or return;	2401	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2402	utf8::decode $_;
1785	next if /\.pst$/;	2403	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2405	? ()
1788	push @paths, cf::map::normalise $_;	2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2408	]
1790
1791	\@paths
1792	}	2409	}
1793		2410
1794	package cf;	2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
		2438	}
		2439
		2440	\@maps
		2441	}
1795		2442
1796	=back	2443	=back
1797		2444
1798	=head3 cf::object	2445	=head3 cf::object
1799		2446
…		…
1803		2450
1804	=over 4	2451	=over 4
1805		2452
1806	=item $ob->inv_recursive	2453	=item $ob->inv_recursive
1807		2454
1808	Returns the inventory of the object _and_ their inventories, recursively.	2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
1809		2457
1810	=cut	2458	=cut
1811		2459
1812	sub inv_recursive_;	2460	sub inv_recursive_;
1813	sub inv_recursive_ {	2461	sub inv_recursive_ {
…		…
1816		2464
1817	sub inv_recursive {	2465	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2466	inv_recursive_ inv $_[0]
1819	}	2467	}
1820		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
		2495	}
		2496
1821	package cf;	2497	package cf;
1822		2498
1823	=back	2499	=back
1824		2500
1825	=head3 cf::object::player	2501	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1834		2510
1835	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1836		2526
1837	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2528	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1842		2532
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2534
1845	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1847	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1850	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1851	}	2560	}
1852		2561
1853	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1854		2563
1855	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1868		2577
1869	=item $player_object->enter_link	2578	=item $player_object->enter_link
1870		2579
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2581
1873	The player should be reasonably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
1875		2586
1876	Will never block.	2587	Will never block.
1877		2588
1878	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1879		2590
…		…
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2616
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2618	if $self->map && $self->map->{path} ne "{link}";
1908		2619
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2621	}
1911		2622
1912	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
1914		2625
…		…
1931	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1933		2644
1934	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1937		2648
1938	$map->load;	2649	$map->load;
1939	$map->load_diag;	2650	$map->load_neighbours;
1940		2651
1941	return unless $self->contr->active;	2652	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2653
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2655	$self->enter_map ($map, $x, $y);
1946	}
1947		2656
		2657	# only activate afterwards, to support waiting in hooks
		2658	$self->activate_recursive;
		2659	}
		2660
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2662
1950	Moves the player to the given map-path and coordinates by first freezing	2663	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2664	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2665	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2666	the new (success) or old (failed) map position. In either case, $done will
		2667	be called at the end of this process.
		2668
		2669	Note that $check will be called with a potentially non-loaded map, so if
		2670	it needs a loaded map it has to call C<< ->load >>.
1954		2671
1955	=cut	2672	=cut
1956		2673
1957	our $GOTOGEN;	2674	our $GOTOGEN;
1958		2675
1959	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2678
1962	# do generation counting so two concurrent goto's will be executed in-order	2679	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2681
1965	$self->enter_link;	2682	$self->enter_link;
1966		2683
1967	(async {	2684	(async {
		2685	$Coro::current->{desc} = "player::goto $path $x $y";
		2686
		2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
1968	my $map = eval {	2706	my $map = eval {
1969	my $map = cf::map::find $path;	2707	my $map = defined $path ? cf::map::find $path : undef;
1970		2708
1971	if ($map) {	2709	if ($map) {
1972	$map = $map->customise_for ($self);	2710	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2711	$map = $check->($map) if $check && $map;
1974	} else {	2712	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2714	}
1977		2715
1978	$map	2716	$map
1979	};	2717	};
1980		2718
…		…
1985		2723
1986	if ($gen == $self->{_goto_generation}) {	2724	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2725	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
1989	}	2727	}
		2728
		2729	$done->() if $done;
1990	})->prio (1);	2730	})->prio (1);
1991	}	2731	}
1992		2732
1993	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1994		2734
…		…
2014	}	2754	}
2015		2755
2016	sub prepare_random_map {	2756	sub prepare_random_map {
2017	my ($exit) = @_;	2757	my ($exit) = @_;
2018		2758
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2759	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2760	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2761	# that depends on the exit object
2024		2762
2025	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2765	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2766	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
2032	}	2772	}
2033		2773
2034	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
2035		2775
2036	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2778	my $meta = "$RANDOMDIR/$md5.meta";
2039		2779
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2782	undef $fh;
2043	aio_rename "$meta~", $meta;	2783	aio_rename "$meta~", $meta;
2044		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
2047	}	2791	}
2048	}	2792	}
2049		2793
2050	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
2052		2796
2053	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
2054		2798
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2799	$self->enter_link;
2067		2800
2068	(async {	2801	(async {
2069	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
2070	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
		2811	prepare_random_map $exit
		2812	if $exit->slaying eq "/!";
		2813	}
		2814
		2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
		2818
2071	$self->goto ($slaying, $hp, $sp);	2819	$self->goto ($map, $x, $y);
2072		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
2073	1;	2825	1
2074	}) {	2826	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
2077	. "Please report this to the dungeon master!",	2829	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
2079		2831
2080	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
…		…
2099		2851
2100	utf8::encode $text;	2852	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2854	}
2103		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
2104	=item $client->ext_event ($type, %msg)	3043	=item $client->ext_msg ($type, @msg)
2105		3044
2106	Sends an exti event to the client.	3045	Sends an ext event to the client.
2107		3046
2108	=cut	3047	=cut
2109		3048
2110	sub cf::client::ext_event($$%) {	3049	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3050	my ($self, $type, @msg) = @_;
2112		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3055	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
2115	}	3076	}
2116		3077
2117	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
2118		3079
2119	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		3083
2123	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	3085	become reliable at some point in the future.
2125		3086
2126	=cut	3087	=cut
2127		3088
2128	sub cf::client::query {	3089	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3098	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3100
2140	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
2142	}	3105	}
2143		3106
2144	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
2145	on_reply => sub {	3113	on_reply => sub {
2146	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
2147		3115
2148	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
2149	# get handled first	3117	# get handled first
…		…
2161	} else {	3129	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3131	}
2164	}	3132	}
2165	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
2166	);	3160	);
2167		3161
2168	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
2169		3163
2170	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3180
2187	$coro	3181	$coro
2188	}	3182	}
2189		3183
2190	cf::client->attach (	3184	cf::client->attach (
2191	on_destroy => sub {	3185	on_client_destroy => sub {
2192	my ($ns) = @_;	3186	my ($ns) = @_;
2193		3187
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3189	},
2196	);	3190	);
…		…
2211	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
2213		3207
2214	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
2215		3209
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
2217		3215
2218	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
2219		3217
2220	=pod	3218	=pod
2221		3219
2222	The following functions and methods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
2223		3221
2224	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
2225	cf::object::player player	3227	cf::object::player
2226	cf::player peaceful	3228	player
2227	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
2228		3235
2229	=cut	3236	=cut
2230		3237
2231	for (	3238	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
2233	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
2236	) {	3245	) {
2237	no strict 'refs';	3246	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2257		3266
2258	my $qcode = $code;	3267	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
2261		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
2262	local $_;	3274	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3275
2265	my $eval =	3276	my $eval =
2266	"do {\n"	3277	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3280	. $code
2270	. "\n}"	3281	. "\n}"
2271	;	3282	;
2272		3283
		3284	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
2276		3293
2277	if ($@) {	3294	if ($@) {
2278	warn "$@";	3295	warn "$@";
2279	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
2280	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2299	=cut	3316	=cut
2300		3317
2301	sub register_script_function {	3318	sub register_script_function {
2302	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
2303		3320
2304	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
2306	}	3323	}
2307		3324
2308	=back	3325	=back
2309		3326
2310	=cut	3327	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3328
2484	#############################################################################	3329	#############################################################################
2485	# the server's init and main functions	3330	# the server's init and main functions
2486		3331
2487	sub load_facedata($) {	3332	sub load_facedata($) {
2488	my ($path) = @_;	3333	my ($path) = @_;
		3334
		3335	# HACK to clear player env face cache, we need some signal framework
		3336	# for this (global event?)
		3337	%ext::player_env::MUSIC_FACE_CACHE = ();
		3338
		3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3340
2490	warn "loading facedata from $path\n";	3341	warn "loading facedata from $path\n";
2491		3342
2492	my $facedata;	3343	my $facedata;
2493	0 < aio_load $path, $facedata	3344	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3347	$facedata = Coro::Storable::thaw $facedata;
2497		3348
2498	$facedata->{version} == 2	3349	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3351
		3352	# patch in the exptable
		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3354	$facedata->{resource}{"res/exp_table"} = {
		3355	type => FT_RSRC,
		3356	data => $exp_table,
		3357	hash => (Digest::MD5::md5 $exp_table),
		3358	};
		3359	cf::cede_to_tick;
		3360
2501	{	3361	{
2502	my $faces = $facedata->{faceinfo};	3362	my $faces = $facedata->{faceinfo};
2503		3363
2504	while (my ($face, $info) = each %$faces) {	3364	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3366
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3367	cf::face::set_visibility $idx, $info->{visibility};
		3368	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3371
		3372	cf::cede_to_tick;
2510	}	3373	}
2511		3374
2512	while (my ($face, $info) = each %$faces) {	3375	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3376	next unless $info->{smooth};
		3377
2514	my $idx = cf::face::find $face	3378	my $idx = cf::face::find $face
2515	or next;	3379	or next;
		3380
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3384	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3386	}
2521	Coro::cede;	3387
		3388	cf::cede_to_tick;
2522	}	3389	}
2523	}	3390	}
2524		3391
2525	{	3392	{
2526	my $anims = $facedata->{animinfo};	3393	my $anims = $facedata->{animinfo};
2527		3394
2528	while (my ($anim, $info) = each %$anims) {	3395	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3397	cf::cede_to_tick;
2531	}	3398	}
2532		3399
2533	cf::anim::invalidate_all; # d'oh	3400	cf::anim::invalidate_all; # d'oh
2534	}	3401	}
2535		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
2536	1	3422	1
2537	}	3423	}
2538		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
2539	sub reload_regions {	3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
2540	load_resource_file "$MAPDIR/regions"	3468	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
2542	}	3475	}
2543		3476
2544	sub reload_facedata {	3477	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3478	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3479	or die "unable to load facedata\n";
…		…
2557	}	3490	}
2558		3491
2559	sub reload_resources {	3492	sub reload_resources {
2560	warn "reloading resource files...\n";	3493	warn "reloading resource files...\n";
2561		3494
2562	reload_regions;
2563	reload_facedata;	3495	reload_facedata;
2564	reload_archetypes;	3496	reload_archetypes;
		3497	reload_regions;
2565	reload_treasures;	3498	reload_treasures;
2566		3499
2567	warn "finished reloading resource files\n";	3500	warn "finished reloading resource files\n";
2568	}	3501	}
2569		3502
2570	sub init {	3503	sub reload_config {
2571	reload_resources;	3504	warn "reloading config file...\n";
2572	}
2573		3505
2574	sub cfg_load {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3507	or return;
2577		3508
2578	local $/;	3509	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2580		3511
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582		3513
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2588	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2590	};	3521	};
2591	warn $@ if $@;	3522	warn $@ if $@;
2592	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2593	}	3554	}
2594		3555
2595	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2596	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3569	(async {
2600	Event::one_event;	3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3572	})->prio (Coro::PRIO_MAX);
2602	};	3573	};
2603		3574
2604	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
		3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
2605	db_init;	3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2606	load_extensions;	3598	load_extensions;
2607		3599
2608	$TICK_WATCHER->start;	3600	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2610	}	3613	}
2611		3614
2612	#############################################################################	3615	#############################################################################
2613	# initialisation and cleanup	3616	# initialisation and cleanup
2614		3617
2615	# install some emergency cleanup handlers	3618	# install some emergency cleanup handlers
2616	BEGIN {	3619	BEGIN {
		3620	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3621	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3623	cf::cleanup "SIG$signal";
2625	},
2626	);	3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
2627	}	3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
2628	}	3714	}
2629		3715
2630	sub emergency_save() {	3716	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3717	my $freeze_guard = cf::freeze_mainloop;
2632		3718
2633	warn "enter emergency perl save\n";	3719	warn "emergency_perl_save: enter\n";
2634		3720
2635	cf::sync_job {	3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
2636	# use a peculiar iteration method to avoid tripping on perl	3727	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3728	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3729	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3730	warn "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3731	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3732	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3735	$pl->save;
2644	}	3736	}
2645	warn "end emergency player save\n";	3737	warn "emergency_perl_save: end player save\n";
2646		3738
2647	warn "begin emergency map save\n";	3739	warn "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3740	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3741	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3742	$map->valid or next;
2651	$map->save;	3743	$map->save;
2652	}	3744	}
2653	warn "end emergency map save\n";	3745	warn "emergency_perl_save: end map save\n";
2654		3746
2655	warn "begin emergency database checkpoint\n";	3747	warn "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3748	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
2658	};	3754	};
2659		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
2660	warn "leave emergency perl save\n";	3761	warn "emergency_perl_save: leave\n";
2661	}	3762	}
2662		3763
2663	sub post_cleanup {	3764	sub post_cleanup {
2664	my ($make_core) = @_;	3765	my ($make_core) = @_;
2665		3766
2666	warn Carp::longmess "post_cleanup backtrace"	3767	warn Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
2668	}	3797	}
2669		3798
2670	sub do_reload_perl() {	3799	sub do_reload_perl() {
2671	# can/must only be called in main	3800	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2673	warn "can only reload from main coroutine";	3802	warn "can only reload from main coroutine";
2674	return;	3803	return;
2675	}	3804	}
2676		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2677	warn "reloading...";	3811	warn "reloading...";
2678		3812
2679	warn "entering sync_job";	3813	warn "entering sync_job";
2680		3814
2681	cf::sync_job {	3815	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark	3816	cf::write_runtime_sync; # external watchdog should not bark
2683	cf::emergency_save;	3817	cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark	3818	cf::write_runtime_sync; # external watchdog should not bark
2685		3819
2686	warn "syncing database to disk";	3820	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3821	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3822
2689	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2690		3824
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3825	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2702	warn "iterate...";	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();
2710
2711	warn "removing commands";
2712	%COMMAND = ();
2713
2714	warn "removing ext commands";
2715	%EXTCMD = ();
2716
2717	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";
2720
2721	if (my $cb = $pkg->can ("unload")) {
2722	eval {
2723	$cb->($pkg);
2724	1
2725	} or warn "$pkg unloaded, but with errors: $@";
2726	}	3828	}
2727		3829
2728	warn "... nuking $pkg";	3830	warn "cancelling all extension coros";
2729	Symbol::delete_package $pkg;	3831	$_->cancel for values %EXT_CORO;
2730	}	3832	%EXT_CORO = ();
2731		3833
2732	warn "unloading all perl modules loaded from $LIBDIR";	3834	warn "removing commands";
2733	while (my ($k, $v) = each %INC) {	3835	%COMMAND = ();
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
2736	warn "... unloading $k";	3843	warn "... unloading $pkg";
2737	delete $INC{$k};
2738		3844
2739	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;
2741
2742	if (my $cb = $k->can ("unload_module")) {	3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
2743	$cb->();	3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2744	}	3854	}
2745		3855
2746	Symbol::delete_package $k;	3856	warn "unloading all perl modules loaded from $LIBDIR";
		3857	while (my ($k, $v) = each %INC) {
		3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
2747	}	3871	}
2748		3872
2749	warn "getting rid of safe::, as good as possible";	3873	warn "getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		3876
2753	warn "unloading cf.pm \"a bit\"";	3877	warn "unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		3880
2757	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2758	# and global variables created in xs	3882	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2760		3884
2761	warn "unload completed, starting to reload now";	3885	warn "unload completed, starting to reload now";
2762		3886
2763	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2764	require cf;	3888	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2766		3890
2767	warn "loading config and database again";	3891	warn "loading config and database again";
2768	cf::cfg_load;	3892	cf::reload_config;
2769		3893
2770	warn "loading extensions";	3894	warn "loading extensions";
2771	cf::load_extensions;	3895	cf::load_extensions;
2772		3896
		3897	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	3898	warn "reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	3899	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	3900	warn "reattaching attachments to maps";
2776	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	3902	warn "reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	3903	reattach $_ for values %PLAYER;
		3904	}
2779		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
2780	warn "leaving sync_job";	3909	warn "leaving sync_job";
2781		3910
2782	1	3911	1
2783	} or do {	3912	} or do {
2784	warn $@;	3913	warn $@;
2785	warn "error while reloading, exiting.";	3914	cf::cleanup "error while reloading, exiting.";
2786	exit 1;
2787	};	3915	};
2788		3916
2789	warn "reloaded";	3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
2790	};	3923	};
2791		3924
2792	our $RELOAD_WATCHER; # used only during reload	3925	our $RELOAD_WATCHER; # used only during reload
2793		3926
2794	sub reload_perl() {	3927	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3928	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3929	# coro crashes during coro_state_free->destroy here.
2797		3930
2798	$RELOAD_WATCHER ||= Event->timer (	3931	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	3932	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	3933
2801	data => WF_AUTOCANCEL,	3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	3935	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3936	undef $RELOAD_WATCHER;
2805	},	3937	};
2806	);	3938	};
2807	}	3939	}
2808		3940
2809	register_command "reload" => sub {	3941	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2811		3943
2812	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3948	reload_perl;
		3949	};
2815	}	3950	}
2816	};	3951	};
2817		3952
2818	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2819		3954
…		…
2821		3956
2822	our @WAIT_FOR_TICK;	3957	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;	3958	our @WAIT_FOR_TICK_BEGIN;
2824		3959
2825	sub wait_for_tick {	3960	sub wait_for_tick {
2826	return unless $TICK_WATCHER->is_active;
2827	return if $Coro::current == $Coro::main;	3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828		3962
2829	my $signal = new Coro::Signal;	3963	my $signal = new Coro::Signal;
2830	push @WAIT_FOR_TICK, $signal;	3964	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;	3965	$signal->wait;
2832	}	3966	}
2833		3967
2834	sub wait_for_tick_begin {	3968	sub wait_for_tick_begin {
2835	return unless $TICK_WATCHER->is_active;
2836	return if $Coro::current == $Coro::main;	3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837		3970
2838	my $signal = new Coro::Signal;	3971	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3972	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3973	$signal->wait;
2841	}	3974	}
2842		3975
2843	my $min = 1e6;#d#	3976	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3977	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3979	unless ++$bug_warning > 10;
2855	return;	3980	return;
2856	}	3981	}
2857		3982
2858	$NOW = $tick_start = Event::time;
2859
2860	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2861		3984
2862	0 && sync_job {#d#	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		3986
2868	$map->width (50);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	3989	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	3990	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	3991	write_runtime_sync
2873		3992	or warn "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	3993	};
		3994	}
2884		3995
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3997	$sig->send;
2901	}	3998	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3999	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	4000	$sig->send;
2904	}	4001	}
2905		4002
2906	$NOW = Event::time;	4003	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4005
2917	_post_tick;	4006	if (0) {
2918		4007	if ($NEXT_TICK) {
2919		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
2920	},	4012	}
2921	);	4013	}
2922		4014
2923	{	4015	{
2924	BDB::max_poll_time $TICK * 0.1;	4016	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4017
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4018	BDB::min_parallel 16;
2934		4019	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4020	$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4021
2950	unless ($DB_ENV) {	4022	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4029
2953	cf::sync_job {	4030	cf::sync_job {
2954	eval {	4031	eval {
2955	BDB::db_env_open	4032	BDB::db_env_open
2956	$DB_ENV,	4033	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4037	0666;
2961		4038
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4040	};
2967		4041
2968	cf::cleanup "db_env_open(db): $@" if $@;	4042	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4043	};
2970	}	4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
2971	}	4055	}
2972		4056
2973	{	4057	{
		4058	# configure IO::AIO
		4059
2974	IO::AIO::min_parallel 8;	4060	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4061	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4062	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4063	}
2987		4064
2988	my $_log_backtrace;	4065	my $_log_backtrace;
2989		4066
2990	sub _log_backtrace {	4067	sub _log_backtrace {
…		…
2993	$msg =~ s/\n//;	4070	$msg =~ s/\n//;
2994		4071
2995	# limit the # of concurrent backtraces	4072	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4073	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
2998	async {	4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
2999	my @bt = fork_call {	4079	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4080	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4083	or die "addr2line: $!";
…		…
3011	}	4091	}
3012		4092
3013	@funcs	4093	@funcs
3014	};	4094	};
3015		4095
3016	LOG llevInfo, "[ABT] $msg\n";	4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4098	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4099	--$_log_backtrace;
3019	};	4100	};
3020	} else {	4101	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4102	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4103	LOG llevInfo, "[ABT] [suppressed]\n";
3023	}	4104	}
3024	}	4105	}
3025		4106
3026	# load additional modules	4107	# load additional modules
3027	use cf::pod;	4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
3028		4110
3029	END { cf::emergency_save }	4111	END { cf::emergency_save }
3030		4112
3031	1	4113	1
3032		4114

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