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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC vs.
Revision 1.535 by root, Thu Apr 29 08:21:28 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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
71		118
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	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	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	121	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
80	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
82		130
83	our %CFG;	131	our %CFG;
84		132
85	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
87		136
88	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
91		140
92	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		143
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
98		153
99	binmode STDOUT;	154	binmode STDOUT;
100	binmode STDERR;	155	binmode STDERR;
101		156
102	# read virtual server time, if available	157	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
107	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
108		165
109	mkdir $_	166	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		168
112	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
113		170
114	sub cf::map::normalise;	171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115		187
116	#############################################################################	188	#############################################################################
117		189
118	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
119		191
…		…
155		227
156	The raw value load value from the last tick.	228	The raw value load value from the last tick.
157		229
158	=item %cf::CFG	230	=item %cf::CFG
159		231
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	233	from wherever your confdir points to.
162		234
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		236
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	237	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	238	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.	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
169	=back	253	=back
170		254
171	=cut	255	=cut
172		256
173	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	264	my $msg = join "", @_;
176		265
177	$msg .= "\n"	266	$msg .= "\n"
178	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
179		268
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		270
182	utf8::encode $msg;
183	LOG llevError, $msg;	271	LOG llevWarn, $msg;
184	};	272	};
185	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
186		287
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	298	for my $pkg (qw(
198	cf::global cf::attachable	299	cf::global cf::attachable
199	cf::object cf::object::player	300	cf::object cf::object::player
200	cf::client cf::player	301	cf::client cf::player
201	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
202	cf::map cf::party cf::region	304	cf::party cf::region
203	)) {	305	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	307	}
207		308
208	$Event::DIED = sub {	309	$EV::DIED = sub {
209	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
210	};	311	};
211		312
212	#############################################################################	313	#############################################################################
213		314
214	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	338	$d
238	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
239	}	340	}
240		341
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
244		343
245	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
246		345
247	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
248		347
249	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
250		349
		350	=cut
		351
		352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		353
		354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
		369	}
		370
251	=item cf::lock_wait $string	371	=item cf::lock_wait $string
252		372
253	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
254		374
255	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
256		376
257	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
260	returned.	380	returned.
261		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
262	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
264		387
265	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
266		389
267	Return true if the lock is currently active, i.e. somebody has locked it.	390	Return true if the lock is currently active, i.e. somebody has locked it.
268		391
269	=cut	392	=cut
270		393
271	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
272		395
273	sub lock_wait($) {	396	sub lock_wait($) {
274	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	398	}
282		399
283	sub lock_acquire($) {	400	sub lock_acquire($) {
284	my ($key) = @_;	401	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	402	}
296		403
297	sub lock_active($) {	404	sub lock_active($) {
298	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	406	}
302		407
303	sub freeze_mainloop {	408	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
305		410
306	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	412	}
		413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
308	};	478	}
309	$TICK_WATCHER->stop;	479	};
310	$guard	480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
311	}	494	}
312		495
313	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
314		497
315	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		503
321	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
322		505
323	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
324		507
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	511	acceptable.
329		512
330	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	518	=cut
336		519
337	sub sync_job(&) {	520	sub sync_job(&) {
338	my ($job) = @_;	521	my ($job) = @_;
339		522
340	if ($Coro::current == $Coro::main) {	523	if (in_main) {
341	my $time = Event::time;	524	my $time = AE::time;
342		525
343	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
345		528
346	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	530
348	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
349		532
350	my $busy = 1;	533	my $busy = 1;
351	my @res;	534	my @res;
352		535
353	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	538	@res = eval { $job->() };
355	warn $@ if $@;	539	error $@ if $@;
356	undef $busy;	540	undef $busy;
357	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
358		542
359	while ($busy) {	543	while ($busy) {
360	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
361	}	548	}
		549	}
362		550
363	$time = Event::time - $time;	551	my $time = AE::time - $time;
364		552
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
369		554
370	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
371	} else {	556	} else {
372	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
373		558
…		…
398	=item fork_call { }, $args	583	=item fork_call { }, $args
399		584
400	Executes the given code block with the given arguments in a seperate	585	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	587	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
404		589
405	=cut	590	=cut
406		591
407	sub fork_call(&@) {	592	sub fork_call(&@) {
408	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
409		594
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	595	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		598
415	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
416	close $fh2;
417
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;	600	reset_signals;
428	local $SIG{__WARN__};	601	&$cb
429	local $SIG{__DIE__};	602	}, @args;
430	eval {
431	close $fh1;
432		603
433	my @res = eval { $cb->(@args) };	604	wantarray ? @res : $res[-1]
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);	605	}
435	};
436		606
437	warn $@ if $@;	607	sub objinfo {
438	_exit 0;
439	}	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
440	}	643	}
441		644
442	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
443		646
444	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
447		650
448	Stores the given C<$value> in the family. It can currently store binary	651	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
451	=cut	659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
452		680
453	our $DB;	681	our $DB;
454		682
455	sub db_init {	683	sub db_init {
456	unless ($DB) {	684	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	685	}
471		686
472	sub db_get($$) {	687	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
474		689
475	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
476	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
477		694
478	$! ? ()	695	$! ? ()
479	: $data	696	: $data
480	}
481	}	697	}
482		698
483	sub db_put($$$) {	699	sub db_put($$$) {
484	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
524	if (1) {	740	if (1) {
525	$md5 =	741	$md5 =
526	join "\x00",	742	join "\x00",
527	$processversion,	743	$processversion,
528	map {	744	map {
529	Coro::cede;	745	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	747	} 0.. $#$src;
532		748
533		749
534	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		757
542	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	759	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
545		761
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		763
548	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
551		767
…		…
561		777
562	=cut	778	=cut
563		779
564	sub datalog($@) {	780	sub datalog($@) {
565	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	783	}
568		784
569	=back	785	=back
570		786
571	=cut	787	=cut
572		788
573	#############################################################################	789	#############################################################################
574		790
575	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
576		792
577	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
580		796
581	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	799	Deliantra).
584		800
585	=over 4	801	=over 4
586		802
587	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
588		804
…		…
632	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
633		849
634	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
636		852
637	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
639		855
640	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
641		857
642	=over 4	858	=over 4
…		…
766		982
767	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		985
770	} elsif (ref $type) {	986	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
772		988
773	} else {	989	} else {
774	shift @arg;	990	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
776	}	992	}
777	}	993	}
778	}	994	}
779		995
780	sub _object_attach {	996	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
791	}	1007	}
792		1008
793	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
794	} else {	1010	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1012	}
797		1013
798	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
799	}	1015	}
800		1016
…		…
840	";	1056	";
841	die if $@;	1057	die if $@;
842	}	1058	}
843		1059
844	our $override;	1060	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1062
847	sub override {	1063	sub override {
848	$override = 1;	1064	$override = 1;
849	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
850	}	1066	}
851		1067
852	sub do_invoke {	1068	sub do_invoke {
853	my $event = shift;	1069	my $event = shift;
854	my $callbacks = shift;	1070	my $callbacks = shift;
855		1071
856	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
857		1073
858	local $override;	1074	local $override;
859		1075
860	for (@$callbacks) {	1076	for (@$callbacks) {
861	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
862		1078
863	if ($@) {	1079	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1081	override;
867	}	1082	}
868		1083
869	return 1 if $override;	1084	return 1 if $override;
870	}	1085	}
871		1086
872	0	1087	0
873	}	1088	}
874		1089
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1091
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1093
879	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
880		1095
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1099
885	=back	1100	=back
886		1101
887	=cut	1102	=cut
888		1103
889	#############################################################################	1104	#############################################################################
890	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
891		1148
892	sub reattach {	1149	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1151	my ($obj) = @_;
895		1152
		1153	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1155
898	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
899		1157
900	@$registry = ();	1158	@$registry = ();
901		1159
…		…
906	for (@$attach) {	1164	for (@$attach) {
907	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
909	}	1167	}
910	} else {	1168	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1170	}
913	}	1171	}
914	}	1172	}
915		1173
916	cf::attachable->attach (	1174	cf::attachable->attach (
917	prio => -1000000,	1175	prio => -1000000,
918	on_instantiate => sub {	1176	on_instantiate => sub {
919	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
920		1178
921	$data = from_json $data;	1179	$data = decode_json $data;
922		1180
923	for (@$data) {	1181	for (@$data) {
924	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
925		1183
926	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1200	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
944		1202
945	sync_job {	1203	sync_job {
946	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
949		1209
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1217	aio_close $fh;
955		1218
956	if (@$objs) {	1219	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1224	if ($cf::USE_FSYNC) {
		1225	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;
		1226	aio_fsync $fh;
		1227	}
962	close $fh;	1228	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
964	}	1230	}
965	} else {	1231	} else {
966	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
967	}	1233	}
968		1234
969	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1239	} else {
971	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
972	}	1241	}
973	} else {	1242	} else {
974	aio_unlink $filename;	1243	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
976	}	1245	}
977	}	1246	};
978	}	1247	}
979		1248
980	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
982		1251
…		…
994	or return;	1263	or return;
995		1264
996	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
998	or return;	1267	or return;
		1268
999	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1000	}	1271	}
1001		1272
		1273	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1004	return ($data, $av);	1278	($data, $av)
1005	}	1279	}
1006		1280
1007	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1008		1282
1009	=over 4	1283	=over 4
…		…
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1304	}
1031		1305
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
1033		1307
1034	Register a callback fro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
1035		1313
1036	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
1037	called.	1315	called.
1038		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
1039	=cut	1328	=cut
1040		1329
1041	sub register_extcmd {	1330	sub register_extcmd {
1042	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
1043		1332
1044	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
1045	}	1334	}
1046		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
1047	cf::player->attach (	1344	cf::player->attach (
1048	on_command => sub {	1345	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1050		1347
1051	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1052	or return;	1349	or return;
1053		1350
…		…
1058	cf::override;	1355	cf::override;
1059	},	1356	},
1060	on_extcmd => sub {	1357	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1062		1359
1063	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1361
1065	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1071	} else {	1377	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1379	}
1074		1380
1075	cf::override;	1381	cf::override;
1076	},	1382	},
1077	);	1383	);
1078		1384
		1385	# "readahead" all extensions
		1386	sub cache_extensions {
		1387	my $grp = IO::AIO::aio_group;
		1388
		1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1390	for (grep /\.ext$/, @{$_[0]}) {
		1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1392	}
		1393	};
		1394
		1395	$grp
		1396	}
		1397
1079	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1080	cf::sync_job {	1401	cf::sync_job {
1081	my %todo;	1402	my %todo;
1082		1403
1083	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1405	next unless -r $path;
…		…
1102		1423
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1426
1106	$ext{source} =	1427	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1109	. $source	1430	. $source
1110	. "\n};\n1";	1431	. "\n};\n1";
1111		1432
1112	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1113	}	1434	}
1114		1435
		1436	my $pass = 0;
1115	my %done;	1437	my %done;
1116	while (%todo) {	1438	while (%todo) {
1117	my $progress;	1439	my $progress;
1118		1440
		1441	++$pass;
		1442
		1443	ext:
1119	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1446	next ext
1122	unless exists $done{$_};	1447	unless exists $done{$_};
1123	}	1448	}
1124		1449
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1451
1127	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1132	warn $msg;	1459
1133	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1461	delete $todo{$k};
1135	}	1462	} else {
1136		1463	$done{$k} = delete $todo{$k};
1137	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1138	}	1469	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1470	}
1144		1471
1145	skip:	1472	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1148	}	1480	}
1149	};	1481	};
1150	}	1482	}
1151		1483
1152	#############################################################################	1484	#############################################################################
1153		1485
1154	=back	1486	=back
1155		1487
1156	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1157		1489
1158	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1159		1491
1160	=cut	1492	=cut
1161		1493
1162	package cf::player;	1494	package cf::player;
1163		1495
1164	use Coro::AIO;	1496	use Coro::AIO;
1165		1497
1166	=head3 cf::player	1498	=head3 cf::player
1167		1499
1168	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1169		1515
1170	=item cf::player::find $login	1516	=item cf::player::find $login
1171		1517
1172	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1173		1519
…		…
1192		1538
1193	sub exists($) {	1539	sub exists($) {
1194	my ($login) = @_;	1540	my ($login) = @_;
1195		1541
1196	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1198	}	1544	}
1199		1545
1200	sub find($) {	1546	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1548	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1559
1214	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1217	}	1569	}
1218	}	1570	}
1219	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1220		1585
1221	sub save($) {	1586	sub save($) {
1222	my ($pl) = @_;	1587	my ($pl) = @_;
1223		1588
1224	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1230		1595
1231	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1233		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1234	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1235	Coro::cede;	1605	cf::cede_to_tick;
1236	}	1606	}
1237		1607
1238	sub new($) {	1608	sub new($) {
1239	my ($login) = @_;	1609	my ($login) = @_;
1240		1610
…		…
1246	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1247		1617
1248	$self	1618	$self
1249	}	1619	}
1250		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1251	=item $pl->quit_character	1631	=item $pl->quit_character
1252		1632
1253	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1255		1635
…		…
1259	my ($pl) = @_;	1639	my ($pl) = @_;
1260		1640
1261	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1262		1642
1263	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1645
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1269	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1270		1651
1271	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1308	or return [];	1689	or return [];
1309		1690
1310	my @logins;	1691	my @logins;
1311		1692
1312	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1316		1703
1317	utf8::decode $login;	1704	utf8::decode $login;
1318	push @logins, $login;	1705	push @logins, $login;
1319	}	1706	}
1320		1707
1321	\@logins	1708	\@logins
1322	}	1709	}
1323		1710
1324	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1325		1714
1326	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1327	player. May block.	1716	player. May block.
1328		1717
1329	=cut	1718	=cut
…		…
1347	}	1736	}
1348		1737
1349	\@paths	1738	\@paths
1350	}	1739	}
1351		1740
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1742
1354	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1355		1744
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1386		1746
1387	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1388		1748
1389	=cut	1749	=cut
1390		1750
1391	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1392	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1393		1753
1394	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}	1755	}
1398		1756
1399	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1400		1758
1401	Sends an ext event to the client.	1759	Sends an ext event to the client.
1402		1760
1403	=cut	1761	=cut
1404		1762
1405	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1407		1765
1408	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1409	}	1767	}
1410		1768
1411	=head3 cf::region	1769	=head3 cf::region
1412		1770
1413	=over 4	1771	=over 4
…		…
1423	=cut	1781	=cut
1424		1782
1425	sub find_by_path($) {	1783	sub find_by_path($) {
1426	my ($path) = @_;	1784	my ($path) = @_;
1427		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
1428	my ($match, $specificity);	1788	my ($match, $specificity);
1429		1789
1430	for my $region (list) {	1790	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1791	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1792	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1793	if $region->specificity > $specificity;
1434	}	1794	}
1435	}	1795	}
1436		1796
…		…
1457	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1459		1819
1460	sub generate_random_map {	1820	sub generate_random_map {
1461	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1462	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1463	$self->_create_random_map (	1826	$self->_create_random_map (
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1492		1855
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	1857	}
1495		1858
1496	# also paths starting with '/'	1859	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		1861
1499	sub thawer_merge {	1862	sub thawer_merge {
1500	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1501		1864
1502	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1556	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1557	return $self;	1920	return $self;
1558	}	1921	}
1559	}	1922	}
1560		1923
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1562	()	1925	()
1563	}	1926	}
1564		1927
1565	sub init {	1928	sub init {
1566	my ($self) = @_;	1929	my ($self) = @_;
…		…
1588		1951
1589	# the temporary/swap location	1952	# the temporary/swap location
1590	sub save_path {	1953	sub save_path {
1591	my ($self) = @_;	1954	my ($self) = @_;
1592		1955
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1595	}	1958	}
1596		1959
1597	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1598	sub uniq_path {	1961	sub uniq_path {
1599	my ($self) = @_;	1962	my ($self) = @_;
1600		1963
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	1966	}
1613		1967
1614	sub decay_objects {	1968	sub decay_objects {
1615	my ($self) = @_;	1969	my ($self) = @_;
1616		1970
…		…
1629		1983
1630	sub load_header_from($) {	1984	sub load_header_from($) {
1631	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1632		1986
1633	utf8::encode $path;	1987	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	1989	or return;
		1990
		1991	$self->_load_header ($f)
		1992	or return;
		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
1639		1996
1640	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1641		1998
1642	1	1999	1
1643	}	2000	}
…		…
1697	sub find {	2054	sub find {
1698	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1699		2056
1700	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1701		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2061
1704	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1707	or return;	2064	or return;
1708		2065
1709	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1710		2067
…		…
1712	or return;	2069	or return;
1713		2070
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1717	$map->reset;	2076	$map->reset;
1718	undef $guard;
1719	return find $path;	2077	return find $path;
1720	}	2078	}
1721		2079
1722	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1723	}	2081	}
1724	}	2082	}
1725		2083
1726	sub pre_load { }	2084	sub pre_load { }
1727	sub post_load { }	2085	#sub post_load { } # XS
1728		2086
1729	sub load {	2087	sub load {
1730	my ($self) = @_;	2088	my ($self) = @_;
1731		2089
1732	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1733		2091
1734	my $path = $self->{path};	2092	my $path = $self->{path};
1735		2093
1736	{	2094	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1738		2096
		2097	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1740		2099
1741	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1742		2101
1743	$self->alloc;	2102	$self->alloc;
1744		2103
1745	$self->pre_load;	2104	$self->pre_load;
1746	Coro::cede;	2105	cf::cede_to_tick;
1747		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1748	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1749	or return;	2110	or return;
1750		2111
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1752	if delete $self->{load_original};	2113	if delete $self->{load_original};
1753		2114
1754	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2116	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2119	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1759	}	2123	}
1760	}	2124	}
1761		2125
1762	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1763	# now do the right thing for maps	2129	# now do the right thing for maps
1764	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2132	unless $self->difficulty;
1767	Coro::cede;	2133	cf::cede_to_tick;
1768		2134
1769	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2136	$self->decay_objects;
1771	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1772	$self->update_buttons;	2138	$self->update_buttons;
1773	Coro::cede;	2139	cf::cede_to_tick;
1774	$self->set_darkness_map;
1775	Coro::cede;
1776	$self->activate;	2140	$self->activate;
1777	}	2141	}
1778		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1780	}	2147	}
1781		2148
1782	$self->post_load;	2149	$self->post_load;
1783	}	2150	}
1784		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2155	sub customise_for {
1786	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1787		2157
1788	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2159	if $self->per_player;
…		…
1793		2163
1794	$self	2164	$self
1795	}	2165	}
1796		2166
1797	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {	2168	sub load_neighbours {
1799	my ($map) = @_;	2169	my ($map) = @_;
1800		2170
1801	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1802		2172
1803	for (0 .. 3) {	2173	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1805	or next;	2175	or next;
1806	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1807	or next;	2177	or next;
1808	$neigh->load;	2178	$neigh->load;
1809		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}	2184	}
1813		2185
1814	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1815	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1816	or next;	2189	or next;
1817	$neigh->load;	2190	$neigh->load;
1818	}	2191	}
1819	}	2192	}
1820		2193
1821	sub find_sync {	2194	sub find_sync {
1822	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1823		2196
1824	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1825	}	2201	}
1826		2202
1827	sub do_load_sync {	2203	sub do_load_sync {
1828	my ($map) = @_;	2204	my ($map) = @_;
1829		2205
1830	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1831	}	2210	}
1832		2211
1833	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1835		2214
1836	sub find_async {	2215	sub find_async {
1837	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1838		2217
1839	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1840		2219
1841	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843	}	2222	}
1844		2223
1845	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1846	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1847	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2231	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2232	$map->load if $v;
		2233	}
1852		2234
1853	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1854	}	2236	}
1855	}	2237	}
1856	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1857	};	2239	};
1858	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1859		2241
1860	()	2242	()
1861	}	2243	}
1862		2244
		2245	# common code, used by both ->save and ->swapout
1863	sub save {	2246	sub _save {
1864	my ($self) = @_;	2247	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2248
1868	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1869		2250
1870	return unless $self->dirty;	2251	return unless $self->dirty;
1871		2252
…		…
1877	return if $self->{deny_save};	2258	return if $self->{deny_save};
1878		2259
1879	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1880		2261
1881	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1883	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1884		2268
1885	if ($uniq) {	2269	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2272	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2274	}
1891	}	2275	}
1892		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1893	sub swap_out {	2285	sub swap_out {
1894	my ($self) = @_;	2286	my ($self) = @_;
1895		2287
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1901	return if $self->players;	2292	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1905	$self->clear;	2303	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2304	}
1908		2305
1909	sub reset_at {	2306	sub reset_at {
1910	my ($self) = @_;	2307	my ($self) = @_;
1911		2308
…		…
1929		2326
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2328
1932	return if $self->players;	2329	return if $self->players;
1933		2330
1934	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
1935		2332
1936	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
1937		2334
1938	# need to save uniques path	2335	# need to save uniques path
1939	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
1943	if $uniq;	2340	if $uniq;
1944	}	2341	}
1945		2342
1946	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1947		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2347	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2348
1952	$self->unlink_save;	2349	$self->unlink_save;
1953	$self->destroy;	2350	$self->destroy;
1954	}	2351	}
1955		2352
1956	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1957		2354
1958	sub nuke {	2355	sub nuke {
1959	my ($self) = @_;	2356	my ($self) = @_;
1960		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
1961	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
1962		2362
1963	$self->unlink_save;	2363	$self->unlink_save;
1964		2364
1965	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2370
1971	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
1972		2373
1973	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1974	}	2375	}
1975		2376
1976	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2018		2419
2019	sub unique_maps() {	2420	sub unique_maps() {
2020	[	2421	[
2021	map {	2422	map {
2022	utf8::decode $_;	2423	utf8::decode $_;
2023	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2024	? normalise $_	2427	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2429	]
2028	}	2430	}
2029		2431
2030	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
2031		2463
2032	=back	2464	=back
2033		2465
2034	=head3 cf::object	2466	=head3 cf::object
2035		2467
…		…
2039		2471
2040	=over 4	2472	=over 4
2041		2473
2042	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2043		2475
2044	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
2045		2478
2046	=cut	2479	=cut
2047		2480
2048	sub inv_recursive_;	2481	sub inv_recursive_;
2049	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2052		2485
2053	sub inv_recursive {	2486	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2055	}	2488	}
2056		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
2057	package cf;	2518	package cf;
2058		2519
2059	=back	2520	=back
2060		2521
2061	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2070		2531
2071	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
2072		2547
2073	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2549	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2083		2558
2084	} else {	2559	} else {
2085	my $pl = $self->contr;	2560	my $pl = $self->contr;
2086		2561
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2565
2096	} else {	2566	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2569	}
2100	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
2101	}	2581	}
2102		2582
2103	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2104		2584
2105	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2118		2598
2119	=item $player_object->enter_link	2599	=item $player_object->enter_link
2120		2600
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2602
2123	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
2125		2607
2126	Will never block.	2608	Will never block.
2127		2609
2128	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2129		2611
…		…
2149	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2632	my ($self) = @_;
2151		2633
2152	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2153		2635
		2636	++$self->{_link_recursion};
		2637
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2639
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2158		2642
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2644	}
2161		2645
2162	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2164		2648
…		…
2181	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2183		2667
2184	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2187		2671
2188	$map->load;	2672	$map->load;
2189	$map->load_diag;	2673	$map->load_neighbours;
2190		2674
2191	return unless $self->contr->active;	2675	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2676
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2196	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2197		2684
		2685	}
		2686
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2688
2200	Moves the player to the given map-path and coordinates by first freezing	2689	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2691	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
2204		2697
2205	=cut	2698	=cut
2206		2699
2207	our $GOTOGEN;	2700	our $GOTOGEN;
2208		2701
2209	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
2211		2710
2212	# do generation counting so two concurrent goto's will be executed in-order	2711	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2713
2215	$self->enter_link;	2714	$self->enter_link;
2216		2715
2217	(async {	2716	(async {
		2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
2218	my $map = eval {	2738	my $map = eval {
2219	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2220		2740
2221	if ($map) {	2741	if ($map) {
2222	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2744	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2746	}
2227		2747
2228	$map	2748	$map
2229	};	2749	};
2230		2750
…		…
2235		2755
2236	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2239	}	2759	}
		2760
		2761	$done->($self) if $done;
2240	})->prio (1);	2762	})->prio (1);
2241	}	2763	}
2242		2764
2243	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2244		2766
…		…
2264	}	2786	}
2265		2787
2266	sub prepare_random_map {	2788	sub prepare_random_map {
2267	my ($exit) = @_;	2789	my ($exit) = @_;
2268		2790
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2793	# that depends on the exit object
2274		2794
2275	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2797	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2282	}	2804	}
2283		2805
2284	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2285		2807
2286	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2289		2811
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2814	undef $fh;
2293	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2294		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2297	}	2823	}
2298	}	2824	}
2299		2825
2300	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2302		2828
2303	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2304		2830
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2831	$self->enter_link;
2317		2832
2318	(async {	2833	(async {
2319	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2320	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
		2843	prepare_random_map $exit
		2844	if $exit->slaying eq "/!";
		2845	}
		2846
		2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
		2850
2321	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2322		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
2323	1;	2857	1
2324	}) {	2858	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2329		2863
2330	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	2865	$self->leave_link;
2332	}	2866	}
2333	})->prio (1);	2867	})->prio (1);
2334	}	2868	}
2335		2869
…		…
2349		2883
2350	utf8::encode $text;	2884	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	2886	}
2353		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		2914
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	2916	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2360		2919
2361	=cut	2920	=cut
2362		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
2363	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3038
2366	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2367		3041
2368	if ($self->can_msg) {	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379	}
2380		3043
2381	if ($color >= 0) {	3044	# check predefined channels, for the benefit of C
2382	if ($msg =~ /\[/) {	3045	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3046	$channel = $CHANNEL{$channel};
2384	} else {	3047
2385	$self->send_packet ("drawinfo $color $msg")	3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
2386	}	3056	}
2387	}
2388	}
2389	}
2390		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
2391	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2392		3076
2393	Sends an exti event to the client.	3077	Sends an ext event to the client.
2394		3078
2395	=cut	3079	=cut
2396		3080
2397	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2398	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2399		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2400	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2401	$self->send_packet ("ext " . cf::to_json \%msg);	3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
2402	}	3108	}
2403		3109
2404	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2405		3111
2406	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
2407	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2408	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2409		3115
2410	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
2411	reliable at some point in the future.	3117	become reliable at some point in the future.
2412		3118
2413	=cut	3119	=cut
2414		3120
2415	sub cf::client::query {	3121	sub cf::client::query {
2416	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
2424	utf8::encode $text;	3130	utf8::encode $text;
2425	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2426		3132
2427	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
2428	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
2429	}	3137	}
2430		3138
2431	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
2432	on_reply => sub {	3145	on_reply => sub {
2433	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
2434		3147
2435	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
2436	# get handled first	3149	# get handled first
…		…
2448	} else {	3161	} else {
2449	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2450	}	3163	}
2451	}	3164	}
2452	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
2453	);	3192	);
2454		3193
2455	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
2456		3195
2457	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
2473		3212
2474	$coro	3213	$coro
2475	}	3214	}
2476		3215
2477	cf::client->attach (	3216	cf::client->attach (
2478	on_destroy => sub {	3217	on_client_destroy => sub {
2479	my ($ns) = @_;	3218	my ($ns) = @_;
2480		3219
2481	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2482	},	3221	},
2483	);	3222	);
…		…
2498	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2499	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2500		3239
2501	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2502		3241
2503	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2504		3247
2505	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2506		3249
2507	=pod	3250	=pod
2508		3251
2509	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2510		3253
2511	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2512	cf::object::player player	3259	cf::object::player
2513	cf::player peaceful	3260	player
2514	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2515		3267
2516	=cut	3268	=cut
2517		3269
2518	for (	3270	for (
2519	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2520	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2521	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2522	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2523	) {	3277	) {
2524	no strict 'refs';	3278	no strict 'refs';
2525	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2526	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2544		3298
2545	my $qcode = $code;	3299	my $qcode = $code;
2546	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2547	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2548		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2549	local $_;	3306	local $_;
2550	local @safe::cf::_safe_eval_args = values %vars;
2551		3307
2552	my $eval =	3308	my $eval =
2553	"do {\n"	3309	"do {\n"
2554	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2555	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2556	. $code	3312	. $code
2557	. "\n}"	3313	. "\n}"
2558	;	3314	;
2559		3315
		3316	if ($CFG{safe_eval}) {
2560	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2561	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2562	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2563		3325
2564	if ($@) {	3326	if ($@) {
2565	warn "$@";	3327	warn "$@",
2566	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2567	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2568	}	3330	}
2569		3331
2570	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2571	}	3333	}
2572		3334
…		…
2586	=cut	3348	=cut
2587		3349
2588	sub register_script_function {	3350	sub register_script_function {
2589	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2590		3352
2591	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2592	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2593	}	3355	}
2594		3356
2595	=back	3357	=back
2596		3358
2597	=cut	3359	=cut
…		…
2600	# the server's init and main functions	3362	# the server's init and main functions
2601		3363
2602	sub load_facedata($) {	3364	sub load_facedata($) {
2603	my ($path) = @_;	3365	my ($path) = @_;
2604		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2605	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2606		3374
2607	my $facedata;	3375	my $facedata;
2608	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2609	or die "$path: $!";	3377	or die "$path: $!";
2610		3378
2611	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2612		3380
2613	$facedata->{version} == 2	3381	$facedata->{version} == 2
2614	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2615		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2616	{	3393	{
2617	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2618		3395
2619	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2620	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2621	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3399	cf::face::set_visibility $idx, $info->{visibility};
		3400	cf::face::set_magicmap $idx, $info->{magicmap};
2622	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2623	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2624	Coro::cede;	3403
		3404	cf::cede_to_tick;
2625	}	3405	}
2626		3406
2627	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2628	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2629	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2630	or next;	3411	or next;
		3412
2631	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
2632	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2633	} else {	3416	} else {
2634	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2635	}	3418	}
2636	Coro::cede;	3419
		3420	cf::cede_to_tick;
2637	}	3421	}
2638	}	3422	}
2639		3423
2640	{	3424	{
2641	my $anims = $facedata->{animinfo};	3425	my $anims = $facedata->{animinfo};
2642		3426
2643	while (my ($anim, $info) = each %$anims) {	3427	while (my ($anim, $info) = each %$anims) {
2644	cf::anim::set $anim, $info->{frames}, $info->{facings};	3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
2645	Coro::cede;	3429	cf::cede_to_tick;
2646	}	3430	}
2647		3431
2648	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2649	}	3433	}
2650		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2651	1	3454	1
2652	}	3455	}
2653		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2654	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2655	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2656	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
2657	}	3487	}
2658		3488
2659	sub reload_facedata {	3489	sub reload_facedata {
2660	load_facedata "$DATADIR/facedata"	3490	load_facedata "$DATADIR/facedata"
2661	or die "unable to load facedata\n";	3491	or die "unable to load facedata\n";
…		…
2669	sub reload_treasures {	3499	sub reload_treasures {
2670	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2671	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2672	}	3502	}
2673		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
2674	sub reload_resources {	3527	sub reload_resources {
2675	warn "reloading resource files...\n";	3528	trace "reloading resource files...\n";
2676		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
2677	reload_regions;	3533	reload_regions;
2678	reload_facedata;
2679	#reload_archetypes;#d#
2680	reload_archetypes;
2681	reload_treasures;	3534	reload_treasures;
2682		3535
2683	warn "finished reloading resource files\n";	3536	trace "finished reloading resource files\n";
2684	}	3537	}
2685		3538
2686	sub init {	3539	sub reload_config {
2687	reload_resources;	3540	trace "reloading config file...\n";
2688	}
2689		3541
2690	sub cfg_load {
2691	open my $fh, "<:utf8", "$CONFDIR/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2692	or return;	3543	or return;
2693		3544
2694	local $/;	3545	local $/;
2695	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2696		3547
2697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2698		3549
2699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2701		3552
2702	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2704	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2705	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2706	};	3557	};
2707	warn $@ if $@;	3558	warn $@ if $@;
2708	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2709	}	3590	}
2710		3591
2711	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2712	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2713	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2714	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2715	(async {	3605	(async {
2716	Event::one_event;	3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
2717	})->prio (Coro::PRIO_MAX);	3608	})->prio (Coro::PRIO_MAX);
2718	};	3609	};
2719		3610
2720	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
		3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
2721	db_init;	3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2722	load_extensions;	3634	load_extensions;
2723		3635
2724	$TICK_WATCHER->start;	3636	utime time, time, $RUNTIMEFILE;
2725	Event::loop;	3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2726	}	3649	}
2727		3650
2728	#############################################################################	3651	#############################################################################
2729	# initialisation and cleanup	3652	# initialisation and cleanup
2730		3653
2731	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2732	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2733	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2734	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2735	reentrant => 0,
2736	data => WF_AUTOCANCEL,
2737	signal => $signal,
2738	prio => 0,
2739	cb => sub {
2740	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2741	},
2742	);	3660	};
2743	}	3661	}
2744	}	3662	}
2745		3663
2746	sub write_runtime {	3664	sub write_runtime_sync {
2747	my $runtime = "$LOCALDIR/runtime";	3665	my $t0 = AE::time;
2748		3666
2749	# first touch the runtime file to show we are still running:	3667	# first touch the runtime file to show we are still running:
2750	# the fsync below can take a very very long time.	3668	# the fsync below can take a very very long time.
2751		3669
2752	IO::AIO::aio_utime $runtime, undef, undef;	3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2753		3671
2754	my $guard = cf::lock_acquire "write_runtime";	3672	my $guard = cf::lock_acquire "write_runtime";
2755		3673
2756	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2757	or return;	3675	or return;
2758		3676
2759	my $value = $cf::RUNTIME + 90 + 10;	3677	my $value = $cf::RUNTIME + 90 + 10;
2760	# 10 is the runtime save interval, for a monotonic clock	3678	# 10 is the runtime save interval, for a monotonic clock
2761	# 60 allows for the watchdog to kill the server.	3679	# 60 allows for the watchdog to kill the server.
…		…
2771	aio_utime $fh, undef, undef;	3689	aio_utime $fh, undef, undef;
2772		3690
2773	close $fh	3691	close $fh
2774	or return;	3692	or return;
2775		3693
2776	aio_rename "$runtime~", $runtime	3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2777	and return;	3695	and return;
2778		3696
2779	warn "runtime file written.\n";	3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2780		3698
2781	1	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2782	}	3750	}
2783		3751
2784	sub emergency_save() {	3752	sub emergency_save() {
2785	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2786		3754
2787	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2788		3761
2789	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2790	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2791	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2792	# and maps saved/destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2793	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2794	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2795	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2796	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2797	$pl->save;	3773	$pl->save;
2798	}	3774	}
2799	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2800		3776
2801	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2802	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2803	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2804	$map->valid or next;	3782	$map->valid or next;
2805	$map->save;	3783	$map->save;
2806	}	3784	}
2807	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
2808		3786
2809	warn "begin emergency database checkpoint\n";	3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
2810	BDB::db_env_txn_checkpoint $DB_ENV;	3790	BDB::db_env_txn_checkpoint $DB_ENV;
2811	warn "end emergency database checkpoint\n";	3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync()\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync()\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2812	};	3815	};
2813		3816
2814	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2815	}	3818	}
2816		3819
2817	sub post_cleanup {	3820	sub post_cleanup {
2818	my ($make_core) = @_;	3821	my ($make_core) = @_;
2819		3822
		3823	IO::AIO::flush;
		3824
		3825	IO::AIO::flush;
		3826
2820	warn Carp::longmess "post_cleanup backtrace"	3827	error Carp::longmess "post_cleanup backtrace"
2821	if $make_core;	3828	if $make_core;
		3829
		3830	my $fh = pidfile;
		3831	unlink $PIDFILE if <$fh> == $$;
		3832	}
		3833
		3834	# a safer delete_package, copied from Symbol
		3835	sub clear_package($) {
		3836	my $pkg = shift;
		3837
		3838	# expand to full symbol table name if needed
		3839	unless ($pkg =~ /^main::.*::$/) {
		3840	$pkg = "main$pkg" if $pkg =~ /^::/;
		3841	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3842	$pkg .= '::' unless $pkg =~ /::$/;
		3843	}
		3844
		3845	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3846	my $stem_symtab = *{$stem}{HASH};
		3847
		3848	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3849	or return;
		3850
		3851	# clear all symbols
		3852	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3853	for my $name (keys %$leaf_symtab) {
		3854	_gv_clear *{"$pkg$name"};
		3855	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3856	}
2822	}	3857	}
2823		3858
2824	sub do_reload_perl() {	3859	sub do_reload_perl() {
2825	# can/must only be called in main	3860	# can/must only be called in main
2826	if ($Coro::current != $Coro::main) {	3861	if (in_main) {
2827	warn "can only reload from main coroutine";	3862	error "can only reload from main coroutine";
2828	return;	3863	return;
2829	}	3864	}
2830		3865
		3866	return if $RELOAD++;
		3867
		3868	my $t1 = AE::time;
		3869
		3870	while ($RELOAD) {
2831	warn "reloading...";	3871	info "reloading...";
2832		3872
2833	warn "entering sync_job";	3873	trace "entering sync_job";
2834		3874
2835	cf::sync_job {	3875	cf::sync_job {
2836	cf::write_runtime; # external watchdog should not bark
2837	cf::emergency_save;	3876	cf::emergency_save;
2838	cf::write_runtime; # external watchdog should not bark
2839		3877
2840	warn "syncing database to disk";
2841	BDB::db_env_txn_checkpoint $DB_ENV;
2842
2843	# if anything goes wrong in here, we should simply crash as we already saved
2844
2845	warn "cancelling all WF_AUTOCANCEL watchers";
2846	for (Event::all_watchers) {
2847	$_->cancel if $_->data & WF_AUTOCANCEL;
2848	}
2849
2850	warn "flushing outstanding aio requests";
2851	for (;;) {
2852	BDB::flush;
2853	IO::AIO::flush;
2854	Coro::cede;
2855	last unless IO::AIO::nreqs || BDB::nreqs;
2856	warn "iterate...";
2857	}
2858
2859	++$RELOAD;
2860
2861	warn "cancelling all extension coros";	3878	trace "cancelling all extension coros";
2862	$_->cancel for values %EXT_CORO;	3879	$_->cancel for values %EXT_CORO;
2863	%EXT_CORO = ();	3880	%EXT_CORO = ();
2864		3881
2865	warn "removing commands";	3882	trace "removing commands";
2866	%COMMAND = ();	3883	%COMMAND = ();
2867		3884
2868	warn "removing ext commands";	3885	trace "removing ext/exti commands";
2869	%EXTCMD = ();	3886	%EXTCMD = ();
		3887	%EXTICMD = ();
2870		3888
2871	warn "unloading/nuking all extensions";	3889	trace "unloading/nuking all extensions";
2872	for my $pkg (@EXTS) {	3890	for my $pkg (@EXTS) {
2873	warn "... unloading $pkg";	3891	trace "... unloading $pkg";
2874		3892
2875	if (my $cb = $pkg->can ("unload")) {	3893	if (my $cb = $pkg->can ("unload")) {
2876	eval {	3894	eval {
2877	$cb->($pkg);	3895	$cb->($pkg);
2878	1	3896	1
2879	} or warn "$pkg unloaded, but with errors: $@";	3897	} or error "$pkg unloaded, but with errors: $@";
		3898	}
		3899
		3900	trace "... clearing $pkg";
		3901	clear_package $pkg;
2880	}	3902	}
2881		3903
2882	warn "... nuking $pkg";
2883	Symbol::delete_package $pkg;
2884	}
2885
2886	warn "unloading all perl modules loaded from $LIBDIR";	3904	trace "unloading all perl modules loaded from $LIBDIR";
2887	while (my ($k, $v) = each %INC) {	3905	while (my ($k, $v) = each %INC) {
2888	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3906	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2889		3907
2890	warn "... unloading $k";	3908	trace "... unloading $k";
2891	delete $INC{$k};	3909	delete $INC{$k};
2892		3910
2893	$k =~ s/\.pm$//;	3911	$k =~ s/\.pm$//;
2894	$k =~ s/\//::/g;	3912	$k =~ s/\//::/g;
2895		3913
2896	if (my $cb = $k->can ("unload_module")) {	3914	if (my $cb = $k->can ("unload_module")) {
2897	$cb->();	3915	$cb->();
		3916	}
		3917
		3918	clear_package $k;
2898	}	3919	}
2899		3920
2900	Symbol::delete_package $k;
2901	}
2902
2903	warn "getting rid of safe::, as good as possible";	3921	trace "getting rid of safe::, as good as possible";
2904	Symbol::delete_package "safe::$_"	3922	clear_package "safe::$_"
2905	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3923	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2906		3924
2907	warn "unloading cf.pm \"a bit\"";	3925	trace "unloading cf.pm \"a bit\"";
2908	delete $INC{"cf.pm"};	3926	delete $INC{"cf.pm"};
2909	delete $INC{"cf/pod.pm"};	3927	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2910		3928
2911	# don't, removes xs symbols, too,	3929	# don't, removes xs symbols, too,
2912	# and global variables created in xs	3930	# and global variables created in xs
2913	#Symbol::delete_package __PACKAGE__;	3931	#clear_package __PACKAGE__;
2914		3932
2915	warn "unload completed, starting to reload now";	3933	info "unload completed, starting to reload now";
2916		3934
2917	warn "reloading cf.pm";	3935	trace "reloading cf.pm";
2918	require cf;	3936	require cf;
2919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3937	cf::_connect_to_perl_1;
2920		3938
2921	warn "loading config and database again";	3939	trace "loading config and database again";
2922	cf::cfg_load;	3940	cf::reload_config;
2923		3941
2924	warn "loading extensions";	3942	trace "loading extensions";
2925	cf::load_extensions;	3943	cf::load_extensions;
2926		3944
		3945	if ($REATTACH_ON_RELOAD) {
2927	warn "reattaching attachments to objects/players";	3946	trace "reattaching attachments to objects/players";
2928	_global_reattach; # objects, sockets	3947	_global_reattach; # objects, sockets
2929	warn "reattaching attachments to maps";	3948	trace "reattaching attachments to maps";
2930	reattach $_ for values %MAP;	3949	reattach $_ for values %MAP;
2931	warn "reattaching attachments to players";	3950	trace "reattaching attachments to players";
2932	reattach $_ for values %PLAYER;	3951	reattach $_ for values %PLAYER;
		3952	}
2933		3953
		3954	trace "running post_init jobs";
		3955	(pop @POST_INIT)->(1) while @POST_INIT;
		3956
2934	warn "leaving sync_job";	3957	trace "leaving sync_job";
2935		3958
2936	1	3959	1
2937	} or do {	3960	} or do {
2938	warn $@;	3961	error $@;
2939	warn "error while reloading, exiting.";	3962	cf::cleanup "error while reloading, exiting.";
2940	exit 1;	3963	};
		3964
		3965	info "reloaded";
		3966	--$RELOAD;
2941	};	3967	}
2942		3968
2943	warn "reloaded";	3969	$t1 = AE::time - $t1;
		3970	info "reload completed in ${t1}s\n";
2944	};	3971	};
2945		3972
2946	our $RELOAD_WATCHER; # used only during reload	3973	our $RELOAD_WATCHER; # used only during reload
2947		3974
2948	sub reload_perl() {	3975	sub reload_perl() {
2949	# doing reload synchronously and two reloads happen back-to-back,	3976	# doing reload synchronously and two reloads happen back-to-back,
2950	# coro crashes during coro_state_free->destroy here.	3977	# coro crashes during coro_state_free->destroy here.
2951		3978
2952	$RELOAD_WATCHER ||= Event->timer (	3979	$RELOAD_WATCHER ||= cf::async {
2953	reentrant => 0,	3980	Coro::AIO::aio_wait cache_extensions;
2954	after => 0,	3981
2955	data => WF_AUTOCANCEL,	3982	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2956	cb => sub {
2957	do_reload_perl;	3983	do_reload_perl;
2958	undef $RELOAD_WATCHER;	3984	undef $RELOAD_WATCHER;
2959	},	3985	};
2960	);	3986	};
2961	}	3987	}
2962		3988
2963	register_command "reload" => sub {	3989	register_command "reload" => sub {
2964	my ($who, $arg) = @_;	3990	my ($who, $arg) = @_;
2965		3991
2966	if ($who->flag (FLAG_WIZ)) {	3992	if ($who->flag (FLAG_WIZ)) {
2967	$who->message ("reloading server.");	3993	$who->message ("reloading server.");
		3994	async {
		3995	$Coro::current->{desc} = "perl_reload";
2968	async { reload_perl };	3996	reload_perl;
		3997	};
2969	}	3998	}
2970	};	3999	};
2971		4000
2972	unshift @INC, $LIBDIR;	4001	unshift @INC, $LIBDIR;
2973		4002
…		…
2975		4004
2976	our @WAIT_FOR_TICK;	4005	our @WAIT_FOR_TICK;
2977	our @WAIT_FOR_TICK_BEGIN;	4006	our @WAIT_FOR_TICK_BEGIN;
2978		4007
2979	sub wait_for_tick {	4008	sub wait_for_tick {
2980	return unless $TICK_WATCHER->is_active;
2981	return if $Coro::current == $Coro::main;	4009	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2982		4010
2983	my $signal = new Coro::Signal;	4011	my $signal = new Coro::Signal;
2984	push @WAIT_FOR_TICK, $signal;	4012	push @WAIT_FOR_TICK, $signal;
2985	$signal->wait;	4013	$signal->wait;
2986	}	4014	}
2987		4015
2988	sub wait_for_tick_begin {	4016	sub wait_for_tick_begin {
2989	return unless $TICK_WATCHER->is_active;
2990	return if $Coro::current == $Coro::main;	4017	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2991		4018
2992	my $signal = new Coro::Signal;	4019	my $signal = new Coro::Signal;
2993	push @WAIT_FOR_TICK_BEGIN, $signal;	4020	push @WAIT_FOR_TICK_BEGIN, $signal;
2994	$signal->wait;	4021	$signal->wait;
2995	}	4022	}
2996		4023
2997	my $min = 1e6;#d#	4024	sub tick {
2998	my $avg = 10;
2999	$TICK_WATCHER = Event->timer (
3000	reentrant => 0,
3001	parked => 1,
3002	prio => 0,
3003	at => $NEXT_TICK || $TICK,
3004	data => WF_AUTOCANCEL,
3005	cb => sub {
3006	if ($Coro::current != $Coro::main) {	4025	if ($Coro::current != $Coro::main) {
3007	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4026	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3008	unless ++$bug_warning > 10;	4027	unless ++$bug_warning > 10;
3009	return;	4028	return;
3010	}	4029	}
3011		4030
3012	$NOW = $tick_start = Event::time;
3013
3014	cf::server_tick; # one server iteration	4031	cf::server_tick; # one server iteration
3015		4032
3016	0 && sync_job {#d#	4033	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3017	for(1..10) {
3018	my $t = Event::time;
3019	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3020	or die;
3021		4034
3022	$map->width (50);	4035	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3023	$map->height (50);	4036	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3024	$map->alloc;	4037	Coro::async_pool {
3025	$map->_load_objects ("/tmp/x.map", 1);	4038	$Coro::current->{desc} = "runtime saver";
3026	my $t = Event::time - $t;	4039	write_runtime_sync
3027		4040	or error "ERROR: unable to write runtime file: $!";
3028	#next unless $t < 0.0013;#d#
3029	if ($t < $min) {
3030	$min = $t;
3031	}
3032	$avg = $avg * 0.99 + $t * 0.01;
3033	}
3034	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3035	exit 0;
3036	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3037	};	4041	};
		4042	}
3038		4043
3039	$RUNTIME += $TICK;
3040	$NEXT_TICK += $TICK;
3041
3042	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3043	$NEXT_RUNTIME_WRITE = $NOW + 10;
3044	Coro::async_pool {
3045	write_runtime
3046	or warn "ERROR: unable to write runtime file: $!";
3047	};
3048	}
3049
3050	# my $AFTER = Event::time;
3051	# warn $AFTER - $NOW;#d#
3052
3053	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4044	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3054	$sig->send;	4045	$sig->send;
3055	}	4046	}
3056	while (my $sig = shift @WAIT_FOR_TICK) {	4047	while (my $sig = shift @WAIT_FOR_TICK) {
3057	$sig->send;	4048	$sig->send;
3058	}	4049	}
3059		4050
3060	$NOW = Event::time;	4051	$LOAD = ($NOW - $TICK_START) / $TICK;
3061
3062	# if we are delayed by four ticks or more, skip them all
3063	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3064
3065	$TICK_WATCHER->at ($NEXT_TICK);
3066	$TICK_WATCHER->start;
3067
3068	$LOAD = ($NOW - $tick_start) / $TICK;
3069	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4052	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3070		4053
3071	_post_tick;	4054	if (0) {
3072		4055	if ($NEXT_TICK) {
3073		4056	my $jitter = $TICK_START - $NEXT_TICK;
		4057	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4058	debug "jitter $JITTER\n";#d#
		4059	}
3074	},	4060	}
3075	);	4061	}
3076		4062
3077	{	4063	{
3078	BDB::max_poll_time $TICK * 0.1;	4064	# configure BDB
3079	$BDB_POLL_WATCHER = Event->io (	4065
3080	reentrant => 0,
3081	fd => BDB::poll_fileno,
3082	poll => 'r',
3083	prio => 0,
3084	data => WF_AUTOCANCEL,
3085	cb => \&BDB::poll_cb,
3086	);
3087	BDB::min_parallel 8;	4066	BDB::min_parallel 16;
3088		4067	BDB::max_poll_reqs $TICK * 0.1;
3089	BDB::set_sync_prepare {	4068	$AnyEvent::BDB::WATCHER->priority (1);
3090	my $status;
3091	my $current = $Coro::current;
3092	(
3093	sub {
3094	$status = $!;
3095	$current->ready; undef $current;
3096	},
3097	sub {
3098	Coro::schedule while defined $current;
3099	$! = $status;
3100	},
3101	)
3102	};
3103		4069
3104	unless ($DB_ENV) {	4070	unless ($DB_ENV) {
3105	$DB_ENV = BDB::db_env_create;	4071	$DB_ENV = BDB::db_env_create;
		4072	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4073	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4074	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4075	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4076	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3106		4077
3107	cf::sync_job {	4078	cf::sync_job {
3108	eval {	4079	eval {
3109	BDB::db_env_open	4080	BDB::db_env_open
3110	$DB_ENV,	4081	$DB_ENV,
…		…
3112	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4083	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3113	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4084	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3114	0666;	4085	0666;
3115		4086
3116	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4087	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3117
3118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3119	$DB_ENV->set_lk_detect;
3120	};	4088	};
3121		4089
3122	cf::cleanup "db_env_open(db): $@" if $@;	4090	cf::cleanup "db_env_open(db): $@" if $@;
3123	};	4091	};
3124	}	4092	}
		4093
		4094	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4095	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4096	};
		4097	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4098	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4099	};
		4100	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4101	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4102	};
3125	}	4103	}
3126		4104
3127	{	4105	{
		4106	# configure IO::AIO
		4107
3128	IO::AIO::min_parallel 8;	4108	IO::AIO::min_parallel 8;
3129
3130	undef $Coro::AIO::WATCHER;
3131	IO::AIO::max_poll_time $TICK * 0.1;	4109	IO::AIO::max_poll_time $TICK * 0.1;
3132	$AIO_POLL_WATCHER = Event->io (	4110	undef $AnyEvent::AIO::WATCHER;
3133	reentrant => 0,
3134	data => WF_AUTOCANCEL,
3135	fd => IO::AIO::poll_fileno,
3136	poll => 'r',
3137	prio => 6,
3138	cb => \&IO::AIO::poll_cb,
3139	);
3140	}	4111	}
3141		4112
3142	my $_log_backtrace;	4113	my $_log_backtrace;
3143		4114
3144	sub _log_backtrace {	4115	sub _log_backtrace {
…		…
3147	$msg =~ s/\n//;	4118	$msg =~ s/\n//;
3148		4119
3149	# limit the # of concurrent backtraces	4120	# limit the # of concurrent backtraces
3150	if ($_log_backtrace < 2) {	4121	if ($_log_backtrace < 2) {
3151	++$_log_backtrace;	4122	++$_log_backtrace;
		4123	my $perl_bt = Carp::longmess $msg;
3152	async {	4124	async {
		4125	$Coro::current->{desc} = "abt $msg";
		4126
3153	my @bt = fork_call {	4127	my @bt = fork_call {
3154	@addr = map { sprintf "%x", $_ } @addr;	4128	@addr = map { sprintf "%x", $_ } @addr;
3155	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4129	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3156	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4130	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3157	or die "addr2line: $!";	4131	or die "addr2line: $!";
…		…
3165	}	4139	}
3166		4140
3167	@funcs	4141	@funcs
3168	};	4142	};
3169		4143
3170	LOG llevInfo, "[ABT] $msg\n";	4144	LOG llevInfo, "[ABT] $perl_bt\n";
		4145	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3171	LOG llevInfo, "[ABT] $_\n" for @bt;	4146	LOG llevInfo, "[ABT] $_\n" for @bt;
3172	--$_log_backtrace;	4147	--$_log_backtrace;
3173	};	4148	};
3174	} else {	4149	} else {
3175	LOG llevInfo, "[ABT] $msg\n";	4150	LOG llevInfo, "[ABT] $msg\n";
3176	LOG llevInfo, "[ABT] [suppressed]\n";	4151	LOG llevInfo, "[ABT] [suppressed]\n";
3177	}	4152	}
3178	}	4153	}
3179		4154
3180	# load additional modules	4155	# load additional modules
3181	use cf::pod;	4156	require "cf/$_.pm" for @EXTRA_MODULES;
		4157	cf::_connect_to_perl_2;
3182		4158
3183	END { cf::emergency_save }	4159	END { cf::emergency_save }
3184		4160
3185	1	4161	1
3186		4162

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