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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.311 by root, Fri Jul 20 16:11:10 2007 UTC vs.
Revision 1.540 by root, Tue May 4 23:32:29 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
25	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
26	use BDB ();	54	use BDB ();
27	use Data::Dumper;	55	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	56	use Fcntl;
30	use YAML::Syck ();	57	use YAML::XS ();
31	use IO::AIO 2.32 ();	58	use IO::AIO ();
32	use Time::HiRes;	59	use Time::HiRes;
33	use Compress::LZF;	60	use Compress::LZF;
34	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
35		64
36	# configure various modules to our taste	65	# configure various modules to our taste
37	#	66	#
38	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		75
42	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
43		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	98	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	99	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	100	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	101	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	102	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	106	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		118
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	121	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	126	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
85		130
86	our %CFG;	131	our %CFG;
87		132
88	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
90		136
91	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
94		140
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		143
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
100	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 $REALLY_UNLOOP; # never set to true, please :)
101		153
102	binmode STDOUT;	154	binmode STDOUT;
103	binmode STDERR;	155	binmode STDERR;
104		156
105	# read virtual server time, if available	157	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	159	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
110	}	162	}
		163
		164	eval "sub TICK() { $TICK } 1" or die;
111		165
112	mkdir $_	166	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		168
115	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
116		170
117	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::"} };
118		187
119	#############################################################################	188	#############################################################################
120		189
121	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
122		191
…		…
158		227
159	The raw value load value from the last tick.	228	The raw value load value from the last tick.
160		229
161	=item %cf::CFG	230	=item %cf::CFG
162		231
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	233	from wherever your confdir points to.
165		234
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		236
168	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
169	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
170	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.
171		240
172	=item @cf::INVOKE_RESULTS	241	=item @cf::INVOKE_RESULTS
173		242
174	This array contains the results of the last C<invoke ()> call. When	243	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	245	that call.
177		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
178	=back	253	=back
179		254
180	=cut	255	=cut
181		256
182	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	264	my $msg = join "", @_;
185		265
186	$msg .= "\n"	266	$msg .= "\n"
187	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
188		268
189	$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;
190		270
191	utf8::encode $msg;
192	LOG llevError, $msg;	271	LOG llevWarn, $msg;
193	};	272	};
194	}	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	};
195		287
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	298	for my $pkg (qw(
207	cf::global cf::attachable	299	cf::global cf::attachable
208	cf::object cf::object::player	300	cf::object cf::object::player
209	cf::client cf::player	301	cf::client cf::player
210	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
211	cf::map cf::party cf::region	304	cf::party cf::region
212	)) {	305	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	307	}
216		308
217	$Event::DIED = sub {	309	$EV::DIED = sub {
218	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
219	};	311	};
220		312
221	#############################################################################	313	#############################################################################
222		314
223	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
245	$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;
246	$d	338	$d
247	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
248	}	340	}
249		341
250	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
251		343
252	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
253		345
254	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
255		347
256	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
257		349
258	=cut	350	=cut
259		351
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		353
262	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[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	}
264		370
265	=item cf::lock_wait $string	371	=item cf::lock_wait $string
266		372
267	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
268		374
269	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
270		376
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
274	returned.	380	returned.
275		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
276	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
277	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
278		387
279	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
280		389
281	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.
282		391
283	=cut	392	=cut
284		393
285	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
286		395
287	sub lock_wait($) {	396	sub lock_wait($) {
288	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	398	}
296		399
297	sub lock_acquire($) {	400	sub lock_acquire($) {
298	my ($key) = @_;	401	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	402	}
310		403
311	sub lock_active($) {	404	sub lock_active($) {
312	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	406	}
316		407
317	sub freeze_mainloop {	408	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
319		410
320	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
321	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
322	};	478	}
323	$TICK_WATCHER->stop;	479	};
324	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
325	}	494	}
326		495
327	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
328		497
329	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		503
335	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
336		505
337	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
338		507
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	511	acceptable.
343		512
344	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	518	=cut
350		519
351	sub sync_job(&) {	520	sub sync_job(&) {
352	my ($job) = @_;	521	my ($job) = @_;
353		522
354	if ($Coro::current == $Coro::main) {	523	if (in_main) {
355	my $time = Event::time;	524	my $time = AE::time;
356		525
357	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
359		528
360	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	530
362	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
363		532
364	my $busy = 1;	533	my $busy = 1;
365	my @res;	534	my @res;
366		535
367	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	538	@res = eval { $job->() };
369	warn $@ if $@;	539	error $@ if $@;
370	undef $busy;	540	undef $busy;
371	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
372		542
373	while ($busy) {	543	while ($busy) {
374	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
375	}	548	}
		549	}
376		550
377	$time = Event::time - $time;	551	my $time = AE::time - $time;
378		552
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
383		554
384	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
385	} else {	556	} else {
386	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
387		558
…		…
412	=item fork_call { }, $args	583	=item fork_call { }, $args
413		584
414	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
415	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
418		589
419	=cut	590	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		591
430	sub fork_call(&@) {	592	sub fork_call(&@) {
431	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
432		594
433	# 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,
434	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		598
438	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	600	reset_signals;
452	local $SIG{__WARN__};	601	&$cb
453	local $SIG{__DIE__};	602	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		603
460	eval {	604	wantarray ? @res : $res[-1]
461	close $fh1;	605	}
462		606
463	my @res = eval { $cb->(@args) };	607	sub objinfo {
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	643	}
473		644
474	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
475		646
476	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
479		650
480	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
481	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).
482		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
483	=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	}
484		680
485	our $DB;	681	our $DB;
486		682
487	sub db_init {	683	sub db_init {
488	unless ($DB) {	684	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	685	}
503		686
504	sub db_get($$) {	687	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
506		689
507	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
508	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
509		694
510	$! ? ()	695	$! ? ()
511	: $data	696	: $data
512	}
513	}	697	}
514		698
515	sub db_put($$$) {	699	sub db_put($$$) {
516	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
556	if (1) {	740	if (1) {
557	$md5 =	741	$md5 =
558	join "\x00",	742	join "\x00",
559	$processversion,	743	$processversion,
560	map {	744	map {
561	Coro::cede;	745	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	747	} 0.. $#$src;
564		748
565		749
566	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
573		757
574	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
575	my $data = $process->(\@data);	759	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
577		761
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		763
580	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
583		767
…		…
593		777
594	=cut	778	=cut
595		779
596	sub datalog($@) {	780	sub datalog($@) {
597	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	783	}
600		784
601	=back	785	=back
602		786
603	=cut	787	=cut
604		788
605	#############################################################################	789	#############################################################################
606		790
607	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
608		792
609	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
610	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")
611	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
612		796
613	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>
614	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
615	Crossfire TRT).	799	Deliantra).
616		800
617	=over 4	801	=over 4
618		802
619	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
620		804
…		…
664	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
665		849
666	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
667	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
668		852
669	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		855
672	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
673		857
674	=over 4	858	=over 4
…		…
798		982
799	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		985
802	} elsif (ref $type) {	986	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
804		988
805	} else {	989	} else {
806	shift @arg;	990	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
808	}	992	}
809	}	993	}
810	}	994	}
811		995
812	sub _object_attach {	996	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
823	}	1007	}
824		1008
825	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
826	} else {	1010	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1012	}
829		1013
830	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
831	}	1015	}
832		1016
…		…
891		1075
892	for (@$callbacks) {	1076	for (@$callbacks) {
893	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
894		1078
895	if ($@) {	1079	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1081	override;
899	}	1082	}
900		1083
901	return 1 if $override;	1084	return 1 if $override;
902	}	1085	}
903		1086
904	0	1087	0
905	}	1088	}
906		1089
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1091
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1093
911	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
912		1095
…		…
919	=cut	1102	=cut
920		1103
921	#############################################################################	1104	#############################################################################
922	# object support	1105	# object support
923		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	}
		1148
924	sub reattach {	1149	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1151	my ($obj) = @_;
927		1152
		1153	# no longer needed after getting rid of delete_package?
928	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
929		1155
930	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
931		1157
932	@$registry = ();	1158	@$registry = ();
933		1159
…		…
938	for (@$attach) {	1164	for (@$attach) {
939	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
941	}	1167	}
942	} else {	1168	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1170	}
945	}	1171	}
946	}	1172	}
947		1173
948	cf::attachable->attach (	1174	cf::attachable->attach (
949	prio => -1000000,	1175	prio => -1000000,
950	on_instantiate => sub {	1176	on_instantiate => sub {
951	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
952		1178
953	$data = from_json $data;	1179	$data = decode_json $data;
954		1180
955	for (@$data) {	1181	for (@$data) {
956	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
957		1183
958	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1200	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
976		1202
977	sync_job {	1203	sync_job {
978	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
981		1209
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1217	aio_close $fh;
987		1218
988	if (@$objs) {	1219	if (@$objs) {
989	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) {
990	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
993	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	}
994	close $fh;	1228	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
996	}	1230	}
997	} else {	1231	} else {
998	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
999	}	1233	}
1000		1234
1001	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1239	} else {
1003	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1004	}	1241	}
1005	} else {	1242	} else {
1006	aio_unlink $filename;	1243	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1008	}	1245	}
1009	}	1246	};
1010	}	1247	}
1011		1248
1012	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1014		1251
…		…
1026	or return;	1263	or return;
1027		1264
1028	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1267	or return;
		1268
1031	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1032	}	1271	}
1033		1272
		1273	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1036	return ($data, $av);	1278	($data, $av)
1037	}	1279	}
1038		1280
1039	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1040		1282
1041	=over 4	1283	=over 4
…		…
1095	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1096		1338
1097	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1098	}	1340	}
1099		1341
		1342	use File::Glob ();
		1343
1100	cf::player->attach (	1344	cf::player->attach (
1101	on_command => sub {	1345	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1103		1347
1104	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1105	or return;	1349	or return;
1106		1350
…		…
1114	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1115		1359
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1361
1118	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
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1121	$pl->ext_reply ($msg->{msgid}, %reply);
1122	}
1123	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1124	} else {	1377	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1379	}
1127		1380
1128	cf::override;	1381	cf::override;
1129	},	1382	},
1130	);	1383	);
1131		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
1132	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1133	cf::sync_job {	1401	cf::sync_job {
1134	my %todo;	1402	my %todo;
1135		1403
1136	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1405	next unless -r $path;
…		…
1155		1423
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1426
1159	$ext{source} =	1427	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1162	. $source	1430	. $source
1163	. "\n};\n1";	1431	. "\n};\n1";
1164		1432
1165	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1166	}	1434	}
1167		1435
		1436	my $pass = 0;
1168	my %done;	1437	my %done;
1169	while (%todo) {	1438	while (%todo) {
1170	my $progress;	1439	my $progress;
1171		1440
		1441	++$pass;
		1442
		1443	ext:
1172	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1446	next ext
1175	unless exists $done{$_};	1447	unless exists $done{$_};
1176	}	1448	}
1177		1449
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1451
1180	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";	1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
1183		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1459	if exists $v->{meta}{mandatory};
1185	warn $msg;	1460
1186	warn "mandatory extension failed to load, exiting.\n";	1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1462	delete $todo{$k};
1188	}	1463	} else {
1189		1464	$done{$k} = delete $todo{$k};
1190	warn $msg;	1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
1191	}	1470	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1471	}
1197		1472
1198	skip:	1473	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
1201	}	1481	}
1202	};	1482	};
1203	}	1483	}
1204		1484
1205	#############################################################################	1485	#############################################################################
1206		1486
1207	=back	1487	=back
1208		1488
1209	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1210		1490
1211	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1212		1492
1213	=cut	1493	=cut
1214		1494
1215	package cf::player;	1495	package cf::player;
1216		1496
1217	use Coro::AIO;	1497	use Coro::AIO;
1218		1498
1219	=head3 cf::player	1499	=head3 cf::player
1220		1500
1221	=over 4	1501	=over 4
		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
1222		1516
1223	=item cf::player::find $login	1517	=item cf::player::find $login
1224		1518
1225	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1226		1520
…		…
1245		1539
1246	sub exists($) {	1540	sub exists($) {
1247	my ($login) = @_;	1541	my ($login) = @_;
1248		1542
1249	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1544	or !aio_stat path $login
1251	}	1545	}
1252		1546
1253	sub find($) {	1547	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1549	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1559	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1560
1267	my $pl = load_pl path $login	1561	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1569	$cf::PLAYER{$login} = $pl
1270	}	1570	}
1271	}	1571	}
1272	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1273		1586
1274	sub save($) {	1587	sub save($) {
1275	my ($pl) = @_;	1588	my ($pl) = @_;
1276		1589
1277	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1283		1596
1284	aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1286		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1287	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1288	Coro::cede;	1606	cf::cede_to_tick;
1289	}	1607	}
1290		1608
1291	sub new($) {	1609	sub new($) {
1292	my ($login) = @_;	1610	my ($login) = @_;
1293		1611
…		…
1299	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1300		1618
1301	$self	1619	$self
1302	}	1620	}
1303		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
1304	=item $pl->quit_character	1632	=item $pl->quit_character
1305		1633
1306	Nukes the player without looking back. If logged in, the connection will	1634	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1635	be destroyed. May block for a long time.
1308		1636
…		…
1312	my ($pl) = @_;	1640	my ($pl) = @_;
1313		1641
1314	my $name = $pl->ob->name;	1642	my $name = $pl->ob->name;
1315		1643
1316	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1646
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1320	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1322	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1323		1652
1324	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1361	or return [];	1690	or return [];
1362		1691
1363	my @logins;	1692	my @logins;
1364		1693
1365	for my $login (@$dirs) {	1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1701	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
1369		1704
1370	utf8::decode $login;	1705	utf8::decode $login;
1371	push @logins, $login;	1706	push @logins, $login;
1372	}	1707	}
1373		1708
1374	\@logins	1709	\@logins
1375	}	1710	}
1376		1711
1377	=item $player->maps	1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
1378		1715
1379	Returns an arrayref of map paths that are private for this	1716	Returns an arrayref of map paths that are private for this
1380	player. May block.	1717	player. May block.
1381		1718
1382	=cut	1719	=cut
…		…
1400	}	1737	}
1401		1738
1402	\@paths	1739	\@paths
1403	}	1740	}
1404		1741
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1743
1407	Expand crossfire pod fragments into protocol xml.	1744	Expand deliantra pod fragments into protocol xml.
1408		1745
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1456		1747
1457	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1458		1749
1459	=cut	1750	=cut
1460		1751
1461	sub ext_reply($$%) {	1752	sub ext_reply($$@) {
1462	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1463		1754
1464	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}	1756	}
1467		1757
1468	=item $player->ext_event ($type, %msg)	1758	=item $player->ext_msg ($type, @msg)
1469		1759
1470	Sends an ext event to the client.	1760	Sends an ext event to the client.
1471		1761
1472	=cut	1762	=cut
1473		1763
1474	sub ext_event($$%) {	1764	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1765	my ($self, $type, @msg) = @_;
1476		1766
1477	$self->ns->ext_event ($type, %msg);	1767	$self->ns->ext_msg ($type, @msg);
1478	}	1768	}
1479		1769
1480	=head3 cf::region	1770	=head3 cf::region
1481		1771
1482	=over 4	1772	=over 4
…		…
1491		1781
1492	=cut	1782	=cut
1493		1783
1494	sub find_by_path($) {	1784	sub find_by_path($) {
1495	my ($path) = @_;	1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
1496		1788
1497	my ($match, $specificity);	1789	my ($match, $specificity);
1498		1790
1499	for my $region (list) {	1791	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1792	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1528		1820
1529	sub generate_random_map {	1821	sub generate_random_map {
1530	my ($self, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1825
1531	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1532	$self->_create_random_map (	1827	$self->_create_random_map (
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1554		1849
1555	sub register {	1850	sub register {
1556	my (undef, $regex, $prio) = @_;	1851	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	1852	my $pkg = caller;
1558		1853
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		1855
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	1857	}
1564		1858
1565	# also paths starting with '/'	1859	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		1861
1568	sub thawer_merge {	1862	sub thawer_merge {
1569	my ($self, $merge) = @_;	1863	my ($self, $merge) = @_;
1570		1864
1571	# we have to keep some variables in memory intact	1865	# we have to keep some variables in memory intact
…		…
1657		1951
1658	# the temporary/swap location	1952	# the temporary/swap location
1659	sub save_path {	1953	sub save_path {
1660	my ($self) = @_;	1954	my ($self) = @_;
1661		1955
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	1957	"$TMPDIR/$path.map"
1664	}	1958	}
1665		1959
1666	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1667	sub uniq_path {	1961	sub uniq_path {
1668	my ($self) = @_;	1962	my ($self) = @_;
1669		1963
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	1965	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	1966	}
1682		1967
1683	sub decay_objects {	1968	sub decay_objects {
1684	my ($self) = @_;	1969	my ($self) = @_;
1685		1970
…		…
1698		1983
1699	sub load_header_from($) {	1984	sub load_header_from($) {
1700	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1701		1986
1702	utf8::encode $path;	1987	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	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;
1708		1996
1709	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1710		1998
1711	1	1999	1
1712	}	2000	}
…		…
1766	sub find {	2054	sub find {
1767	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1768		2056
1769	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1770		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2061
1773	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1776	or return;	2064	or return;
1777		2065
1778	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1779		2067
…		…
1781	or return;	2069	or return;
1782		2070
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2072	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1786	$map->reset;	2076	$map->reset;
1787	undef $guard;
1788	return find $path;	2077	return find $path;
1789	}	2078	}
1790		2079
1791	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1792	}	2081	}
1793	}	2082	}
1794		2083
1795	sub pre_load { }	2084	sub pre_load { }
1796	sub post_load { }	2085	#sub post_load { } # XS
1797		2086
1798	sub load {	2087	sub load {
1799	my ($self) = @_;	2088	my ($self) = @_;
1800		2089
1801	local $self->{deny_reset} = 1; # loading can take a long time	2090	local $self->{deny_reset} = 1; # loading can take a long time
1802		2091
1803	my $path = $self->{path};	2092	my $path = $self->{path};
1804		2093
1805	{	2094	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1807		2096
		2097	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1809		2099
1810	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1811		2101
1812	$self->alloc;	2102	$self->alloc;
1813		2103
1814	$self->pre_load;	2104	$self->pre_load;
1815	Coro::cede;	2105	cf::cede_to_tick;
1816		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
1817	$self->_load_objects ($self->{load_path}, 1)	2109	$self->_load_objects ($f)
1818	or return;	2110	or return;
1819		2111
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1821	if delete $self->{load_original};	2113	if delete $self->{load_original};
1822		2114
1823	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2116	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2119	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1828	}	2123	}
1829	}	2124	}
1830		2125
1831	Coro::cede;	2126	$f->resolve_delayed_derefs;
		2127
		2128	cf::cede_to_tick;
1832	# now do the right thing for maps	2129	# now do the right thing for maps
1833	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2132	unless $self->difficulty;
1836	Coro::cede;	2133	cf::cede_to_tick;
1837		2134
1838	unless ($self->{deny_activate}) {	2135	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2136	$self->decay_objects;
1840	$self->fix_auto_apply;	2137	$self->fix_auto_apply;
1841	$self->update_buttons;	2138	$self->update_buttons;
1842	Coro::cede;	2139	cf::cede_to_tick;
1843	$self->set_darkness_map;
1844	Coro::cede;
1845	$self->activate;	2140	$self->activate;
1846	}	2141	}
1847		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1849	}	2147	}
1850		2148
1851	$self->post_load;	2149	$self->post_load;
1852	}	2150	}
1853		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
1854	sub customise_for {	2155	sub customise_for {
1855	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1856		2157
1857	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2159	if $self->per_player;
…		…
1862		2163
1863	$self	2164	$self
1864	}	2165	}
1865		2166
1866	# 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
1867	sub load_diag {	2168	sub load_neighbours {
1868	my ($map) = @_;	2169	my ($map) = @_;
1869		2170
1870	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1871		2172
1872	for (0 .. 3) {	2173	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1874	or next;	2175	or next;
1875	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1876	or next;	2177	or next;
1877	$neigh->load;	2178	$neigh->load;
1878		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}	2184	}
1882		2185
1883	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1884	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1885	or next;	2189	or next;
1886	$neigh->load;	2190	$neigh->load;
1887	}	2191	}
1888	}	2192	}
1889		2193
1890	sub find_sync {	2194	sub find_sync {
1891	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1892		2196
1893	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
1894	}	2201	}
1895		2202
1896	sub do_load_sync {	2203	sub do_load_sync {
1897	my ($map) = @_;	2204	my ($map) = @_;
1898		2205
1899	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;
1900	}	2210	}
1901		2211
1902	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2213	our $MAP_PREFETCHER = undef;
1904		2214
1905	sub find_async {	2215	sub find_async {
1906	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1907		2217
1908	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1909		2219
1910	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1912	}	2222	}
1913		2223
1914	undef $MAP_PREFETCH{$path};	2224	$MAP_PREFETCH{$path} |= $load;
		2225
1915	$MAP_PREFETCHER ||= cf::async {	2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
1916	while (%MAP_PREFETCH) {	2229	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2230	while (my ($k, $v) = each %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2231	if (my $map = find $k) {
1919	$map->load;	2232	$map->load if $v;
1920	}	2233	}
1921		2234
1922	delete $MAP_PREFETCH{$path};	2235	delete $MAP_PREFETCH{$k};
1923	}	2236	}
1924	}	2237	}
1925	undef $MAP_PREFETCHER;	2238	undef $MAP_PREFETCHER;
1926	};	2239	};
1927	$MAP_PREFETCHER->prio (6);	2240	$MAP_PREFETCHER->prio (6);
1928		2241
1929	()	2242	()
1930	}	2243	}
1931		2244
		2245	# common code, used by both ->save and ->swapout
1932	sub save {	2246	sub _save {
1933	my ($self) = @_;	2247	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2248
1937	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1938		2250
1939	return unless $self->dirty;	2251	return unless $self->dirty;
1940		2252
…		…
1946	return if $self->{deny_save};	2258	return if $self->{deny_save};
1947		2259
1948	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1949		2261
1950	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1952	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1953		2268
1954	if ($uniq) {	2269	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2272	} else {
1958	$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);
1959	}	2274	}
1960	}	2275	}
1961		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1962	sub swap_out {	2285	sub swap_out {
1963	my ($self) = @_;	2286	my ($self) = @_;
1964		2287
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1970	return if $self->players;	2292	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		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
1974	$self->clear;	2303	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2304	}
1977		2305
1978	sub reset_at {	2306	sub reset_at {
1979	my ($self) = @_;	2307	my ($self) = @_;
1980		2308
…		…
1998		2326
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2328
2001	return if $self->players;	2329	return if $self->players;
2002		2330
2003	warn "resetting map ", $self->path;	2331	cf::trace "resetting map ", $self->path, "\n";
2004		2332
2005	$self->in_memory (cf::MAP_SWAPPED);	2333	$self->in_memory (cf::MAP_SWAPPED);
2006		2334
2007	# need to save uniques path	2335	# need to save uniques path
2008	unless ($self->{deny_save}) {	2336	unless ($self->{deny_save}) {
…		…
2012	if $uniq;	2340	if $uniq;
2013	}	2341	}
2014		2342
2015	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
2016		2344
		2345	$self->deactivate;
		2346	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2347	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2348
2021	$self->unlink_save;	2349	$self->unlink_save;
2022	$self->destroy;	2350	$self->destroy;
2023	}	2351	}
2024		2352
2025	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
2026		2354
2027	sub nuke {	2355	sub nuke {
2028	my ($self) = @_;	2356	my ($self) = @_;
2029		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
2030	delete $cf::MAP{$self->path};	2361	delete $cf::MAP{$self->path};
2031		2362
2032	$self->unlink_save;	2363	$self->unlink_save;
2033		2364
2034	bless $self, "cf::map";	2365	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2366	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2370
2040	$cf::MAP{$self->path} = $self;	2371	$cf::MAP{$self->path} = $self;
		2372	}
2041		2373
2042	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
2043	}	2375	}
2044		2376
2045	=item $maps = cf::map::tmp_maps	2377	=item $maps = cf::map::tmp_maps
…		…
2087		2419
2088	sub unique_maps() {	2420	sub unique_maps() {
2089	[	2421	[
2090	map {	2422	map {
2091	utf8::decode $_;	2423	utf8::decode $_;
2092	/\.map$/	2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
2093	? normalise $_	2427	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2428	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2429	]
2097	}	2430	}
2098		2431
2099	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	}
2100		2463
2101	=back	2464	=back
2102		2465
2103	=head3 cf::object	2466	=head3 cf::object
2104		2467
…		…
2108		2471
2109	=over 4	2472	=over 4
2110		2473
2111	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
2112		2475
2113	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.
2114		2478
2115	=cut	2479	=cut
2116		2480
2117	sub inv_recursive_;	2481	sub inv_recursive_;
2118	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
2121		2485
2122	sub inv_recursive {	2486	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
2124	}	2488	}
2125		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
2126	package cf;	2518	package cf;
2127		2519
2128	=back	2520	=back
2129		2521
2130	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
2136	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>
2137	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
2138	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
2139		2531
2140	=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	};
2141		2547
2142	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2549	# with dialog boxes.
2144	#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
2145	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
2152		2558
2153	} else {	2559	} else {
2154	my $pl = $self->contr;	2560	my $pl = $self->contr;
2155		2561
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2563	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2565
2165	} else {	2566	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2569	}
2169	}	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 (@_);
2170	}	2581	}
2171		2582
2172	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
2173		2584
2174	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
2187		2598
2188	=item $player_object->enter_link	2599	=item $player_object->enter_link
2189		2600
2190	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}>).
2191		2602
2192	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.
2193	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.
2194		2607
2195	Will never block.	2608	Will never block.
2196		2609
2197	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
2198		2611
…		…
2218	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2632	my ($self) = @_;
2220		2633
2221	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
2222		2635
		2636	++$self->{_link_recursion};
		2637
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2639
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2641	if $self->map && $self->map->{path} ne "{link}";
2227		2642
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2644	}
2230		2645
2231	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
2233		2648
…		…
2250	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
2252		2667
2253	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
2256		2671
2257	$map->load;	2672	$map->load;
2258	$map->load_diag;	2673	$map->load_neighbours;
2259		2674
2260	return unless $self->contr->active;	2675	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2676
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2678	if ($self->enter_map ($map, $x, $y)) {
2265	}	2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
		2682	$self->activate_recursive;
		2683	}
2266		2684
		2685	}
		2686
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2688
2269	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
2270	her, loading and preparing them map, calling the provided $check callback	2690	her, loading and preparing them map, calling the provided $check callback
2271	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
2272	the new (success) or old (failed) map position. In either case, $done will	2692	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2693	be called at the end of this process.
2274		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 >>.
		2697
2275	=cut	2698	=cut
2276		2699
2277	our $GOTOGEN;	2700	our $GOTOGEN;
2278		2701
2279	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2704
		2705	if ($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	}
		2710
2282	# 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
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2713
2285	$self->enter_link;	2714	$self->enter_link;
2286		2715
2287	(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
2288	my $map = eval {	2738	my $map = eval {
2289	my $map = cf::map::find $path;	2739	my $map = defined $path ? cf::map::find $path : undef;
2290		2740
2291	if ($map) {	2741	if ($map) {
2292	$map = $map->customise_for ($self);	2742	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2743	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2744	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2746	}
2297		2747
2298	$map	2748	$map
2299	};	2749	};
2300		2750
…		…
2306	if ($gen == $self->{_goto_generation}) {	2756	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2757	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
2309	}	2759	}
2310		2760
2311	$done->() if $done;	2761	$done->($self) if $done;
2312	})->prio (1);	2762	})->prio (1);
2313	}	2763	}
2314		2764
2315	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
2316		2766
…		…
2336	}	2786	}
2337		2787
2338	sub prepare_random_map {	2788	sub prepare_random_map {
2339	my ($exit) = @_;	2789	my ($exit) = @_;
2340		2790
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2791	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2792	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2793	# that depends on the exit object
2346		2794
2347	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	2797	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	2798	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
2354	}	2804	}
2355		2805
2356	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
2357		2807
2358	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	2810	my $meta = "$RANDOMDIR/$md5.meta";
2361		2811
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	2814	undef $fh;
2365	aio_rename "$meta~", $meta;	2815	aio_rename "$meta~", $meta;
2366		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
2369	}	2823	}
2370	}	2824	}
2371		2825
2372	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
2374		2828
2375	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
2376		2830
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	2831	$self->enter_link;
2389		2832
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	2833	(async {
2395	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
2396	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
2397	$self->goto ($slaying, $hp, $sp);	2851	$self->goto ($map, $x, $y);
2398		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
2399	1;	2857	1
2400	}) {	2858	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "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. "
2403	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
2405		2863
2406	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	2865	$self->leave_link;
2408	}	2866	}
2409	})->prio (1);	2867	})->prio (1);
2410	}	2868	}
2411		2869
…		…
2423	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
2424	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
2425		2883
2426	utf8::encode $text;	2884	utf8::encode $text;
2427	$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);
		2886	}
		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);
2428	}	2911	}
2429		2912
2430	=item $client->send_msg ($channel, $msg, $color, [extra...])	2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		2914
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	2915	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	2917	the message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	2918	the message unless the client supports the msg packet.
2436		2919
2437	=cut	2920	=cut
2438		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" => $CHAT_CHANNEL,
		3034	);
		3035
2439	sub cf::client::send_msg {	3036	sub cf::client::send_msg {
2440	my ($self, $channel, $msg, $color, @extra) = @_;	3037	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3038
2442	$msg = $self->pl->expand_cfpod ($msg);	3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
2443		3041
2444	return unless @extra || length $msg;
2445
2446	$color &= ~cf::NDI_UNIQUE; # just in case...	3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
2447		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
2448	if (ref $channel) {	3051	} elsif (ref $channel) {
2449	# send meta info to client, if not yet sent	3052	# send meta info to client, if not yet sent
2450	unless (exists $self->{channel}{$channel->{id}}) {	3053	unless (exists $self->{channel}{$channel->{id}}) {
2451	$self->{channel}{$channel->{id}} = $channel;	3054	$self->{channel}{$channel->{id}} = $channel;
2452	$self->ext_event (channel_info => %$channel);	3055	$self->ext_msg (channel_info => $channel);
2453	}	3056	}
2454		3057
2455	$channel = $channel->{id};	3058	$channel = $channel->{id};
2456	}	3059	}
2457		3060
2458	if ($self->can_msg) {	3061	return unless @extra || length $msg;
2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
2460	} else {
2461	# replace some tags by gcfclient-compatible ones
2462	for ($msg) {
2463	1 while
2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2469	}
2470		3062
2471	if ($color >= 0) {	3063	# default colour, mask it out
2472	if (0 && $msg =~ /\[/) {	3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2473	$self->send_packet ("drawextinfo $color 4 0 $msg")	3065	if $color & cf::NDI_DEF;
2474	} else {
2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2476	$self->send_packet ("drawinfo $color $msg")
2477	}
2478	}
2479	}
2480	}
2481		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
2482	=item $client->ext_event ($type, %msg)	3075	=item $client->ext_msg ($type, @msg)
2483		3076
2484	Sends an ext event to the client.	3077	Sends an ext event to the client.
2485		3078
2486	=cut	3079	=cut
2487		3080
2488	sub cf::client::ext_event($$%) {	3081	sub cf::client::ext_msg($$@) {
2489	my ($self, $type, %msg) = @_;	3082	my ($self, $type, @msg) = @_;
2490		3083
2491	return unless $self->extcmd;	3084	if ($self->extcmd == 2) {
2492		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
2493	$msg{msgtype} = "event_$type";	3087	push @msg, msgtype => "event_$type";
2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%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	}
2495	}	3108	}
2496		3109
2497	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
2498		3111
2499	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
…		…
2554	my ($ns, $buf) = @_;	3167	my ($ns, $buf) = @_;
2555		3168
2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2557		3170
2558	if (ref $msg) {	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
2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3179	if (my $cb = $EXTICMD{$type}) {
2560	if (my %reply = $cb->($ns, $msg)) {	3180	@reply = $cb->($ns, @payload);
2561	$reply{msgid} = $msg->{msgid};
2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2563	}
2564	}	3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
2565	} else {	3186	} else {
2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2567	}	3188	}
2568		3189
2569	cf::override;	3190	cf::override;
2570	},	3191	},
2571	);	3192	);
…		…
2591		3212
2592	$coro	3213	$coro
2593	}	3214	}
2594		3215
2595	cf::client->attach (	3216	cf::client->attach (
2596	on_destroy => sub {	3217	on_client_destroy => sub {
2597	my ($ns) = @_;	3218	my ($ns) = @_;
2598		3219
2599	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2600	},	3221	},
2601	);	3222	);
…		…
2616	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
2617	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
2618		3239
2619	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
2620		3241
2621	$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	));
2622		3247
2623	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2624		3249
2625	=pod	3250	=pod
2626		3251
2627	The following functions and methods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2628		3253
2629	cf::object	3254	cf::object
2630	contr pay_amount pay_player map x y force_find force_add	3255	contr pay_amount pay_player map x y force_find force_add destroy
2631	insert remove	3256	insert remove name archname title slaying race decrease split
		3257	value
2632		3258
2633	cf::object::player	3259	cf::object::player
2634	player	3260	player
2635		3261
2636	cf::player	3262	cf::player
…		…
2641		3267
2642	=cut	3268	=cut
2643		3269
2644	for (	3270	for (
2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2646	insert remove)],	3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2647	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2648	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2649	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2650	) {	3277	) {
2651	no strict 'refs';
2652	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
2653	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2654	for @funs;	3280	for @funs;
2655	}	3281	}
2656		3282
…		…
2671		3297
2672	my $qcode = $code;	3298	my $qcode = $code;
2673	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2674	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
2675		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
2676	local $_;	3305	local $_;
2677	local @safe::cf::_safe_eval_args = values %vars;
2678		3306
2679	my $eval =	3307	my $eval =
2680	"do {\n"	3308	"do {\n"
2681	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2682	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
2683	. $code	3311	. $code
2684	. "\n}"	3312	. "\n}"
2685	;	3313	;
2686		3314
		3315	if ($CFG{safe_eval}) {
2687	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
2688	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2689	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
2690		3324
2691	if ($@) {	3325	if ($@) {
2692	warn "$@";	3326	warn "$@",
2693	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
2694	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
2695	}	3329	}
2696		3330
2697	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
2698	}	3332	}
2699		3333
…		…
2713	=cut	3347	=cut
2714		3348
2715	sub register_script_function {	3349	sub register_script_function {
2716	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
2717		3351
2718	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
2719	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
2720	}	3354	}
2721		3355
2722	=back	3356	=back
2723		3357
2724	=cut	3358	=cut
2725		3359
2726	#############################################################################	3360	#############################################################################
2727	# the server's init and main functions	3361	# the server's init and main functions
2728		3362
		3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
		3366
		3367	if (in_main && !tick_inhibit) {
		3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3369	} else {
		3370	debug "loading perl module $mod\n";
		3371	}
		3372
		3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	warn "$dir/$mod\n";#d#
		3376	ref $dir and next;
		3377	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3378	or next;
		3379
		3380	$data = "#line 1 $dir/$mod\n$data";
		3381
		3382	open my $fh, "<", \$data or die;
		3383
		3384	return $fh;
		3385	}
		3386
		3387	()
		3388	}
		3389
		3390	sub init_inc {
		3391	# save original @INC
		3392	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3393
		3394	# make sure we can do scalar-opens
		3395	open my $dummy, "<", \my $dummy2;
		3396
		3397	# execute some stuff so perl load's some of the core modules
		3398	/Ü/ =~ /ü/i;
		3399	eval { &Storable::nstore_fd };
		3400
		3401	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3402
		3403	debug "module loading will be asynchronous from this point on.";
		3404	}
		3405
2729	sub load_facedata($) {	3406	sub load_facedata($) {
2730	my ($path) = @_;	3407	my ($path) = @_;
2731		3408
		3409	# HACK to clear player env face cache, we need some signal framework
		3410	# for this (global event?)
		3411	%ext::player_env::MUSIC_FACE_CACHE = ();
		3412
		3413	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3414
2732	warn "loading facedata from $path\n";	3415	trace "loading facedata from $path\n";
2733		3416
2734	my $facedata;	3417	my $facedata;
2735	0 < aio_load $path, $facedata	3418	0 < aio_load $path, $facedata
2736	or die "$path: $!";	3419	or die "$path: $!";
2737		3420
2738	$facedata = Coro::Storable::thaw $facedata;	3421	$facedata = Coro::Storable::thaw $facedata;
2739		3422
2740	$facedata->{version} == 2	3423	$facedata->{version} == 2
2741	or cf::cleanup "$path: version mismatch, cannot proceed.";	3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2742		3425
		3426	# patch in the exptable
		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3428	$facedata->{resource}{"res/exp_table"} = {
		3429	type => FT_RSRC,
		3430	data => $exp_table,
		3431	hash => (Digest::MD5::md5 $exp_table),
		3432	};
		3433	cf::cede_to_tick;
		3434
2743	{	3435	{
2744	my $faces = $facedata->{faceinfo};	3436	my $faces = $facedata->{faceinfo};
2745		3437
2746	while (my ($face, $info) = each %$faces) {	3438	while (my ($face, $info) = each %$faces) {
2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3440
2748	cf::face::set_visibility $idx, $info->{visibility};	3441	cf::face::set_visibility $idx, $info->{visibility};
2749	cf::face::set_magicmap $idx, $info->{magicmap};	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2752		3445
2753	cf::cede_to_tick;	3446	cf::cede_to_tick;
2754	}	3447	}
2755		3448
2756	while (my ($face, $info) = each %$faces) {	3449	while (my ($face, $info) = each %$faces) {
2757	next unless $info->{smooth};	3450	next unless $info->{smooth};
		3451
2758	my $idx = cf::face::find $face	3452	my $idx = cf::face::find $face
2759	or next;	3453	or next;
		3454
2760	if (my $smooth = cf::face::find $info->{smooth}) {	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2761	cf::face::set_smooth $idx, $smooth;	3456	cf::face::set_smooth $idx, $smooth;
2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2763	} else {	3458	} else {
2764	warn "smooth face '$info->{smooth}' not found for face '$face'";	3459	error "smooth face '$info->{smooth}' not found for face '$face'";
2765	}	3460	}
2766		3461
2767	cf::cede_to_tick;	3462	cf::cede_to_tick;
2768	}	3463	}
2769	}	3464	}
…		…
2778		3473
2779	cf::anim::invalidate_all; # d'oh	3474	cf::anim::invalidate_all; # d'oh
2780	}	3475	}
2781		3476
2782	{	3477	{
2783	# TODO: for gcfclient pleasure, we should give resources
2784	# that gcfclient doesn't grok a >10000 face index.
2785	my $res = $facedata->{resource};	3478	my $res = $facedata->{resource};
2786	my $enc = JSON::XS->new->utf8->canonical;
2787		3479
2788	while (my ($name, $info) = each %$res) {	3480	while (my ($name, $info) = each %$res) {
2789	my $meta = $enc->encode ({	3481	if (defined $info->{type}) {
2790	name => $name,
2791	type => $info->{type},
2792	copyright => $info->{copyright}, #TODO#
2793	});
2794
2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2796		3483
2797	if ($name =~ /\.jpg$/) {
2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3485	cf::face::set_type $idx, $info->{type};
2800	} else {	3486	} else {
2801	my $data = pack "(w/a*)*", $meta, $info->{data};	3487	$RESOURCE{$name} = $info; # unused
2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2803
2804	cf::face::set_type $idx, 1;
2805	cf::face::set_data $idx, 0, $data, $chk;
2806	}	3488	}
2807		3489
2808	cf::cede_to_tick;	3490	cf::cede_to_tick;
2809	}	3491	}
2810	}	3492	}
2811		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
2812	1	3496	1
2813	}	3497	}
2814		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
2815	sub reload_regions {	3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
2816	load_resource_file "$MAPDIR/regions"	3522	load_resource_file "$MAPDIR/regions"
2817	or die "unable to load regions file\n";	3523	or die "unable to load regions file\n";
2818		3524
2819	for (cf::region::list) {	3525	for (cf::region::list) {
2820	$_->{match} = qr/$_->{match}/	3526	$_->{match} = qr/$_->{match}/
…		…
2828	}	3534	}
2829		3535
2830	sub reload_archetypes {	3536	sub reload_archetypes {
2831	load_resource_file "$DATADIR/archetypes"	3537	load_resource_file "$DATADIR/archetypes"
2832	or die "unable to load archetypes\n";	3538	or die "unable to load archetypes\n";
2833	#d# NEED to laod twice to resolve forward references
2834	# this really needs to be done in an extra post-pass
2835	# (which needs to be synchronous, so solve it differently)
2836	load_resource_file "$DATADIR/archetypes"
2837	or die "unable to load archetypes\n";
2838	}	3539	}
2839		3540
2840	sub reload_treasures {	3541	sub reload_treasures {
2841	load_resource_file "$DATADIR/treasures"	3542	load_resource_file "$DATADIR/treasures"
2842	or die "unable to load treasurelists\n";	3543	or die "unable to load treasurelists\n";
2843	}	3544	}
2844		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
2845	sub reload_resources {	3569	sub reload_resources {
2846	warn "reloading resource files...\n";	3570	trace "reloading resource files...\n";
2847		3571
		3572	reload_facedata;
		3573	reload_sound;
		3574	reload_archetypes;
2848	reload_regions;	3575	reload_regions;
2849	reload_facedata;
2850	#reload_archetypes;#d#
2851	reload_archetypes;
2852	reload_treasures;	3576	reload_treasures;
2853		3577
2854	warn "finished reloading resource files\n";	3578	trace "finished reloading resource files\n";
2855	}	3579	}
2856		3580
2857	sub init {	3581	sub reload_config {
2858	reload_resources;	3582	trace "reloading config file...\n";
2859	}
2860		3583
2861	sub cfg_load {
2862	open my $fh, "<:utf8", "$CONFDIR/config"	3584	open my $fh, "<:utf8", "$CONFDIR/config"
2863	or return;	3585	or return;
2864		3586
2865	local $/;	3587	local $/;
2866	*CFG = YAML::Syck::Load <$fh>;	3588	*CFG = YAML::XS::Load scalar <$fh>;
2867		3589
2868	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3590	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2869		3591
2870	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3592	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2871	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3593	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2872		3594
2873	if (exists $CFG{mlockall}) {	3595	if (exists $CFG{mlockall}) {
…		…
2875	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3597	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2876	and die "WARNING: m(un)lockall failed: $!\n";	3598	and die "WARNING: m(un)lockall failed: $!\n";
2877	};	3599	};
2878	warn $@ if $@;	3600	warn $@ if $@;
2879	}	3601	}
		3602
		3603	trace "finished reloading resource files\n";
		3604	}
		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
2880	}	3632	}
2881		3633
2882	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2883	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2884	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2885	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2886	(async {	3647	(async {
2887	Event::one_event;	3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
2888	})->prio (Coro::PRIO_MAX);	3650	})->prio (Coro::PRIO_MAX);
2889	};	3651	};
2890		3652
2891	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
		3654
		3655	cf::sync_job {
		3656	init_inc;
		3657
		3658	cf::init_experience;
		3659	cf::init_anim;
		3660	cf::init_attackmess;
		3661	cf::init_dynamic;
		3662
		3663	cf::load_settings;
		3664	cf::load_materials;
		3665
		3666	reload_resources;
		3667	reload_config;
2892	db_init;	3668	db_init;
		3669
		3670	cf::init_uuid;
		3671	cf::init_signals;
		3672	cf::init_skills;
		3673
		3674	cf::init_beforeplay;
		3675
		3676	atomic;
		3677
2893	load_extensions;	3678	load_extensions;
2894		3679
2895	$TICK_WATCHER->start;	3680	utime time, time, $RUNTIMEFILE;
2896	Event::loop;	3681
		3682	# no (long-running) fork's whatsoever before this point(!)
		3683	use POSIX ();
		3684	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3685
		3686	(pop @POST_INIT)->(0) while @POST_INIT;
		3687	};
		3688
		3689	cf::object::thawer::errors_are_fatal 0;
		3690	info "parse errors in files are no longer fatal from this point on.\n";
		3691
		3692	my $free_main; $free_main = EV::idle sub {
		3693	undef $free_main;
		3694	undef &main; # free gobs of memory :)
		3695	};
		3696
		3697	goto &main_loop;
2897	}	3698	}
2898		3699
2899	#############################################################################	3700	#############################################################################
2900	# initialisation and cleanup	3701	# initialisation and cleanup
2901		3702
2902	# install some emergency cleanup handlers	3703	# install some emergency cleanup handlers
2903	BEGIN {	3704	BEGIN {
		3705	our %SIGWATCHER = ();
2904	for my $signal (qw(INT HUP TERM)) {	3706	for my $signal (qw(INT HUP TERM)) {
2905	Event->signal (	3707	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2906	reentrant => 0,
2907	data => WF_AUTOCANCEL,
2908	signal => $signal,
2909	prio => 0,
2910	cb => sub {
2911	cf::cleanup "SIG$signal";	3708	cf::cleanup "SIG$signal";
2912	},
2913	);	3709	};
2914	}	3710	}
2915	}	3711	}
2916		3712
2917	sub write_runtime {	3713	sub write_runtime_sync {
2918	my $runtime = "$LOCALDIR/runtime";	3714	my $t0 = AE::time;
2919		3715
2920	# first touch the runtime file to show we are still running:	3716	# first touch the runtime file to show we are still running:
2921	# the fsync below can take a very very long time.	3717	# the fsync below can take a very very long time.
2922		3718
2923	IO::AIO::aio_utime $runtime, undef, undef;	3719	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2924		3720
2925	my $guard = cf::lock_acquire "write_runtime";	3721	my $guard = cf::lock_acquire "write_runtime";
2926		3722
2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3723	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2928	or return;	3724	or return;
2929		3725
2930	my $value = $cf::RUNTIME + 90 + 10;	3726	my $value = $cf::RUNTIME + 90 + 10;
2931	# 10 is the runtime save interval, for a monotonic clock	3727	# 10 is the runtime save interval, for a monotonic clock
2932	# 60 allows for the watchdog to kill the server.	3728	# 60 allows for the watchdog to kill the server.
…		…
2942	aio_utime $fh, undef, undef;	3738	aio_utime $fh, undef, undef;
2943		3739
2944	close $fh	3740	close $fh
2945	or return;	3741	or return;
2946		3742
2947	aio_rename "$runtime~", $runtime	3743	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2948	and return;	3744	and return;
2949		3745
2950	warn "runtime file written.\n";	3746	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2951		3747
2952	1	3748	1
		3749	}
		3750
		3751	our $uuid_lock;
		3752	our $uuid_skip;
		3753
		3754	sub write_uuid_sync($) {
		3755	$uuid_skip ||= $_[0];
		3756
		3757	return if $uuid_lock;
		3758	local $uuid_lock = 1;
		3759
		3760	my $uuid = "$LOCALDIR/uuid";
		3761
		3762	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3763	or return;
		3764
		3765	my $value = uuid_seq uuid_cur;
		3766
		3767	unless ($value) {
		3768	info "cowardly refusing to write zero uuid value!\n";
		3769	return;
		3770	}
		3771
		3772	my $value = uuid_str $value + $uuid_skip;
		3773	$uuid_skip = 0;
		3774
		3775	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3776	and return;
		3777
		3778	# always fsync - this file is important
		3779	aio_fsync $fh
		3780	and return;
		3781
		3782	close $fh
		3783	or return;
		3784
		3785	aio_rename "$uuid~", $uuid
		3786	and return;
		3787
		3788	trace "uuid file written ($value).\n";
		3789
		3790	1
		3791
		3792	}
		3793
		3794	sub write_uuid($$) {
		3795	my ($skip, $sync) = @_;
		3796
		3797	$sync ? write_uuid_sync $skip
		3798	: async { write_uuid_sync $skip };
2953	}	3799	}
2954		3800
2955	sub emergency_save() {	3801	sub emergency_save() {
2956	my $freeze_guard = cf::freeze_mainloop;	3802	my $freeze_guard = cf::freeze_mainloop;
2957		3803
2958	warn "enter emergency perl save\n";	3804	info "emergency_perl_save: enter\n";
		3805
		3806	# this is a trade-off: we want to be very quick here, so
		3807	# save all maps without fsync, and later call a global sync
		3808	# (which in turn might be very very slow)
		3809	local $USE_FSYNC = 0;
2959		3810
2960	cf::sync_job {	3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
		3813
2961	# use a peculiar iteration method to avoid tripping on perl	3814	# use a peculiar iteration method to avoid tripping on perl
2962	# refcount bugs in for. also avoids problems with players	3815	# refcount bugs in for. also avoids problems with players
2963	# and maps saved/destroyed asynchronously.	3816	# and maps saved/destroyed asynchronously.
2964	warn "begin emergency player save\n";	3817	info "emergency_perl_save: begin player save\n";
2965	for my $login (keys %cf::PLAYER) {	3818	for my $login (keys %cf::PLAYER) {
2966	my $pl = $cf::PLAYER{$login} or next;	3819	my $pl = $cf::PLAYER{$login} or next;
2967	$pl->valid or next;	3820	$pl->valid or next;
		3821	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2968	$pl->save;	3822	$pl->save;
2969	}	3823	}
2970	warn "end emergency player save\n";	3824	info "emergency_perl_save: end player save\n";
2971		3825
2972	warn "begin emergency map save\n";	3826	cf::write_runtime_sync; # external watchdog should not bark
		3827
		3828	info "emergency_perl_save: begin map save\n";
2973	for my $path (keys %cf::MAP) {	3829	for my $path (keys %cf::MAP) {
2974	my $map = $cf::MAP{$path} or next;	3830	my $map = $cf::MAP{$path} or next;
2975	$map->valid or next;	3831	$map->valid or next;
2976	$map->save;	3832	$map->save;
2977	}	3833	}
2978	warn "end emergency map save\n";	3834	info "emergency_perl_save: end map save\n";
2979		3835
2980	warn "begin emergency database checkpoint\n";	3836	cf::write_runtime_sync; # external watchdog should not bark
		3837
		3838	info "emergency_perl_save: begin database checkpoint\n";
2981	BDB::db_env_txn_checkpoint $DB_ENV;	3839	BDB::db_env_txn_checkpoint $DB_ENV;
2982	warn "end emergency database checkpoint\n";	3840	info "emergency_perl_save: end database checkpoint\n";
		3841
		3842	info "emergency_perl_save: begin write uuid\n";
		3843	write_uuid_sync 1;
		3844	info "emergency_perl_save: end write uuid\n";
		3845
		3846	cf::write_runtime_sync; # external watchdog should not bark
		3847
		3848	trace "emergency_perl_save: syncing database to disk";
		3849	BDB::db_env_txn_checkpoint $DB_ENV;
		3850
		3851	info "emergency_perl_save: starting sync\n";
		3852	IO::AIO::aio_sync sub {
		3853	info "emergency_perl_save: finished sync\n";
		3854	};
		3855
		3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	trace "emergency_perl_save: flushing outstanding aio requests";
		3859	while (IO::AIO::nreqs || BDB::nreqs) {
		3860	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3861	}
		3862
		3863	cf::write_runtime_sync; # external watchdog should not bark
2983	};	3864	};
2984		3865
2985	warn "leave emergency perl save\n";	3866	info "emergency_perl_save: leave\n";
2986	}	3867	}
2987		3868
2988	sub post_cleanup {	3869	sub post_cleanup {
2989	my ($make_core) = @_;	3870	my ($make_core) = @_;
2990		3871
		3872	IO::AIO::flush;
		3873
2991	warn Carp::longmess "post_cleanup backtrace"	3874	error Carp::longmess "post_cleanup backtrace"
2992	if $make_core;	3875	if $make_core;
		3876
		3877	my $fh = pidfile;
		3878	unlink $PIDFILE if <$fh> == $$;
		3879	}
		3880
		3881	# a safer delete_package, copied from Symbol
		3882	sub clear_package($) {
		3883	my $pkg = shift;
		3884
		3885	# expand to full symbol table name if needed
		3886	unless ($pkg =~ /^main::.*::$/) {
		3887	$pkg = "main$pkg" if $pkg =~ /^::/;
		3888	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3889	$pkg .= '::' unless $pkg =~ /::$/;
		3890	}
		3891
		3892	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3893	my $stem_symtab = *{$stem}{HASH};
		3894
		3895	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3896	or return;
		3897
		3898	# clear all symbols
		3899	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3900	for my $name (keys %$leaf_symtab) {
		3901	_gv_clear *{"$pkg$name"};
		3902	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3903	}
2993	}	3904	}
2994		3905
2995	sub do_reload_perl() {	3906	sub do_reload_perl() {
2996	# can/must only be called in main	3907	# can/must only be called in main
2997	if ($Coro::current != $Coro::main) {	3908	if (in_main) {
2998	warn "can only reload from main coroutine";	3909	error "can only reload from main coroutine";
2999	return;	3910	return;
3000	}	3911	}
3001		3912
		3913	return if $RELOAD++;
		3914
		3915	my $t1 = AE::time;
		3916
		3917	while ($RELOAD) {
3002	warn "reloading...";	3918	info "reloading...";
3003		3919
3004	warn "entering sync_job";	3920	trace "entering sync_job";
3005		3921
3006	cf::sync_job {	3922	cf::sync_job {
3007	cf::write_runtime; # external watchdog should not bark
3008	cf::emergency_save;	3923	cf::emergency_save;
3009	cf::write_runtime; # external watchdog should not bark
3010		3924
3011	warn "syncing database to disk";
3012	BDB::db_env_txn_checkpoint $DB_ENV;
3013
3014	# if anything goes wrong in here, we should simply crash as we already saved
3015
3016	warn "cancelling all WF_AUTOCANCEL watchers";
3017	for (Event::all_watchers) {
3018	$_->cancel if $_->data & WF_AUTOCANCEL;
3019	}
3020
3021	warn "flushing outstanding aio requests";
3022	for (;;) {
3023	BDB::flush;
3024	IO::AIO::flush;
3025	Coro::cede;
3026	last unless IO::AIO::nreqs || BDB::nreqs;
3027	warn "iterate...";
3028	}
3029
3030	++$RELOAD;
3031
3032	warn "cancelling all extension coros";	3925	trace "cancelling all extension coros";
3033	$_->cancel for values %EXT_CORO;	3926	$_->cancel for values %EXT_CORO;
3034	%EXT_CORO = ();	3927	%EXT_CORO = ();
3035		3928
3036	warn "removing commands";	3929	trace "removing commands";
3037	%COMMAND = ();	3930	%COMMAND = ();
3038		3931
3039	warn "removing ext/exti commands";	3932	trace "removing ext/exti commands";
3040	%EXTCMD = ();	3933	%EXTCMD = ();
3041	%EXTICMD = ();	3934	%EXTICMD = ();
3042		3935
3043	warn "unloading/nuking all extensions";	3936	trace "unloading/nuking all extensions";
3044	for my $pkg (@EXTS) {	3937	for my $pkg (@EXTS) {
3045	warn "... unloading $pkg";	3938	trace "... unloading $pkg";
3046		3939
3047	if (my $cb = $pkg->can ("unload")) {	3940	if (my $cb = $pkg->can ("unload")) {
3048	eval {	3941	eval {
3049	$cb->($pkg);	3942	$cb->($pkg);
3050	1	3943	1
3051	} or warn "$pkg unloaded, but with errors: $@";	3944	} or error "$pkg unloaded, but with errors: $@";
		3945	}
		3946
		3947	trace "... clearing $pkg";
		3948	clear_package $pkg;
3052	}	3949	}
3053		3950
3054	warn "... nuking $pkg";
3055	Symbol::delete_package $pkg;
3056	}
3057
3058	warn "unloading all perl modules loaded from $LIBDIR";	3951	trace "unloading all perl modules loaded from $LIBDIR";
3059	while (my ($k, $v) = each %INC) {	3952	while (my ($k, $v) = each %INC) {
3060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3953	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3061		3954
3062	warn "... unloading $k";	3955	trace "... unloading $k";
3063	delete $INC{$k};	3956	delete $INC{$k};
3064		3957
3065	$k =~ s/\.pm$//;	3958	$k =~ s/\.pm$//;
3066	$k =~ s/\//::/g;	3959	$k =~ s/\//::/g;
3067		3960
3068	if (my $cb = $k->can ("unload_module")) {	3961	if (my $cb = $k->can ("unload_module")) {
3069	$cb->();	3962	$cb->();
		3963	}
		3964
		3965	clear_package $k;
3070	}	3966	}
3071		3967
3072	Symbol::delete_package $k;
3073	}
3074
3075	warn "getting rid of safe::, as good as possible";	3968	trace "getting rid of safe::, as good as possible";
3076	Symbol::delete_package "safe::$_"	3969	clear_package "safe::$_"
3077	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3970	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3078		3971
3079	warn "unloading cf.pm \"a bit\"";	3972	trace "unloading cf.pm \"a bit\"";
3080	delete $INC{"cf.pm"};	3973	delete $INC{"cf.pm"};
3081	delete $INC{"cf/pod.pm"};	3974	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3082		3975
3083	# don't, removes xs symbols, too,	3976	# don't, removes xs symbols, too,
3084	# and global variables created in xs	3977	# and global variables created in xs
3085	#Symbol::delete_package __PACKAGE__;	3978	#clear_package __PACKAGE__;
3086		3979
3087	warn "unload completed, starting to reload now";	3980	info "unload completed, starting to reload now";
3088		3981
3089	warn "reloading cf.pm";	3982	trace "reloading cf.pm";
3090	require cf;	3983	require cf;
3091	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3984	cf::_connect_to_perl_1;
3092		3985
3093	warn "loading config and database again";	3986	trace "loading config and database again";
3094	cf::cfg_load;	3987	cf::reload_config;
3095		3988
3096	warn "loading extensions";	3989	trace "loading extensions";
3097	cf::load_extensions;	3990	cf::load_extensions;
3098		3991
		3992	if ($REATTACH_ON_RELOAD) {
3099	warn "reattaching attachments to objects/players";	3993	trace "reattaching attachments to objects/players";
3100	_global_reattach; # objects, sockets	3994	_global_reattach; # objects, sockets
3101	warn "reattaching attachments to maps";	3995	trace "reattaching attachments to maps";
3102	reattach $_ for values %MAP;	3996	reattach $_ for values %MAP;
3103	warn "reattaching attachments to players";	3997	trace "reattaching attachments to players";
3104	reattach $_ for values %PLAYER;	3998	reattach $_ for values %PLAYER;
		3999	}
3105		4000
		4001	trace "running post_init jobs";
		4002	(pop @POST_INIT)->(1) while @POST_INIT;
		4003
3106	warn "leaving sync_job";	4004	trace "leaving sync_job";
3107		4005
3108	1	4006	1
3109	} or do {	4007	} or do {
3110	warn $@;	4008	error $@;
3111	warn "error while reloading, exiting.";	4009	cf::cleanup "error while reloading, exiting.";
3112	exit 1;	4010	};
		4011
		4012	info "reloaded";
		4013	--$RELOAD;
3113	};	4014	}
3114		4015
3115	warn "reloaded";	4016	$t1 = AE::time - $t1;
		4017	info "reload completed in ${t1}s\n";
3116	};	4018	};
3117		4019
3118	our $RELOAD_WATCHER; # used only during reload	4020	our $RELOAD_WATCHER; # used only during reload
3119		4021
3120	sub reload_perl() {	4022	sub reload_perl() {
3121	# doing reload synchronously and two reloads happen back-to-back,	4023	# doing reload synchronously and two reloads happen back-to-back,
3122	# coro crashes during coro_state_free->destroy here.	4024	# coro crashes during coro_state_free->destroy here.
3123		4025
3124	$RELOAD_WATCHER ||= Event->timer (	4026	$RELOAD_WATCHER ||= cf::async {
3125	reentrant => 0,	4027	Coro::AIO::aio_wait cache_extensions;
3126	after => 0,	4028
3127	data => WF_AUTOCANCEL,	4029	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3128	cb => sub {
3129	do_reload_perl;	4030	do_reload_perl;
3130	undef $RELOAD_WATCHER;	4031	undef $RELOAD_WATCHER;
3131	},	4032	};
3132	);	4033	};
3133	}	4034	}
3134		4035
3135	register_command "reload" => sub {	4036	register_command "reload" => sub {
3136	my ($who, $arg) = @_;	4037	my ($who, $arg) = @_;
3137		4038
3138	if ($who->flag (FLAG_WIZ)) {	4039	if ($who->flag (FLAG_WIZ)) {
3139	$who->message ("reloading server.");	4040	$who->message ("reloading server.");
		4041	async {
		4042	$Coro::current->{desc} = "perl_reload";
3140	async { reload_perl };	4043	reload_perl;
		4044	};
3141	}	4045	}
3142	};	4046	};
3143		4047
3144	unshift @INC, $LIBDIR;	4048	#############################################################################
3145		4049
3146	my $bug_warning = 0;	4050	my $bug_warning = 0;
3147		4051
3148	our @WAIT_FOR_TICK;	4052	our @WAIT_FOR_TICK;
3149	our @WAIT_FOR_TICK_BEGIN;	4053	our @WAIT_FOR_TICK_BEGIN;
3150		4054
3151	sub wait_for_tick {	4055	sub wait_for_tick {
3152	return unless $TICK_WATCHER->is_active;
3153	return if $Coro::current == $Coro::main;	4056	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3154		4057
3155	my $signal = new Coro::Signal;	4058	my $signal = new Coro::Signal;
3156	push @WAIT_FOR_TICK, $signal;	4059	push @WAIT_FOR_TICK, $signal;
3157	$signal->wait;	4060	$signal->wait;
3158	}	4061	}
3159		4062
3160	sub wait_for_tick_begin {	4063	sub wait_for_tick_begin {
3161	return unless $TICK_WATCHER->is_active;
3162	return if $Coro::current == $Coro::main;	4064	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3163		4065
3164	my $signal = new Coro::Signal;	4066	my $signal = new Coro::Signal;
3165	push @WAIT_FOR_TICK_BEGIN, $signal;	4067	push @WAIT_FOR_TICK_BEGIN, $signal;
3166	$signal->wait;	4068	$signal->wait;
3167	}	4069	}
3168		4070
3169	my $min = 1e6;#d#	4071	sub tick {
3170	my $avg = 10;
3171	$TICK_WATCHER = Event->timer (
3172	reentrant => 0,
3173	parked => 1,
3174	prio => 0,
3175	at => $NEXT_TICK || $TICK,
3176	data => WF_AUTOCANCEL,
3177	cb => sub {
3178	if ($Coro::current != $Coro::main) {	4072	if ($Coro::current != $Coro::main) {
3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4073	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3180	unless ++$bug_warning > 10;	4074	unless ++$bug_warning > 10;
3181	return;	4075	return;
3182	}	4076	}
3183		4077
3184	$NOW = $tick_start = Event::time;
3185
3186	cf::server_tick; # one server iteration	4078	cf::server_tick; # one server iteration
3187		4079
3188	0 && sync_job {#d#	4080	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3189	for(1..10) {
3190	my $t = Event::time;
3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3192	or die;
3193		4081
3194	$map->width (50);	4082	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3195	$map->height (50);	4083	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3196	$map->alloc;	4084	Coro::async_pool {
3197	$map->_load_objects ("/tmp/x.map", 1);	4085	$Coro::current->{desc} = "runtime saver";
3198	my $t = Event::time - $t;	4086	write_runtime_sync
3199		4087	or error "ERROR: unable to write runtime file: $!";
3200	#next unless $t < 0.0013;#d#
3201	if ($t < $min) {
3202	$min = $t;
3203	}
3204	$avg = $avg * 0.99 + $t * 0.01;
3205	}
3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3207	exit 0;
3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3209	};	4088	};
		4089	}
3210		4090
3211	$RUNTIME += $TICK;
3212	$NEXT_TICK += $TICK;
3213
3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3215	$NEXT_RUNTIME_WRITE = $NOW + 10;
3216	Coro::async_pool {
3217	write_runtime
3218	or warn "ERROR: unable to write runtime file: $!";
3219	};
3220	}
3221
3222	# my $AFTER = Event::time;
3223	# warn $AFTER - $NOW;#d#
3224
3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4091	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3226	$sig->send;	4092	$sig->send;
3227	}	4093	}
3228	while (my $sig = shift @WAIT_FOR_TICK) {	4094	while (my $sig = shift @WAIT_FOR_TICK) {
3229	$sig->send;	4095	$sig->send;
3230	}	4096	}
3231		4097
3232	$NOW = Event::time;	4098	$LOAD = ($NOW - $TICK_START) / $TICK;
3233
3234	# if we are delayed by four ticks or more, skip them all
3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3236
3237	$TICK_WATCHER->at ($NEXT_TICK);
3238	$TICK_WATCHER->start;
3239
3240	$LOAD = ($NOW - $tick_start) / $TICK;
3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4099	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3242		4100
3243	_post_tick;	4101	if (0) {
3244		4102	if ($NEXT_TICK) {
3245		4103	my $jitter = $TICK_START - $NEXT_TICK;
		4104	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4105	debug "jitter $JITTER\n";#d#
		4106	}
3246	},	4107	}
3247	);	4108	}
3248		4109
3249	{	4110	{
3250	BDB::max_poll_time $TICK * 0.1;	4111	# configure BDB
3251	$BDB_POLL_WATCHER = Event->io (	4112
3252	reentrant => 0,
3253	fd => BDB::poll_fileno,
3254	poll => 'r',
3255	prio => 0,
3256	data => WF_AUTOCANCEL,
3257	cb => \&BDB::poll_cb,
3258	);
3259	BDB::min_parallel 8;	4113	BDB::min_parallel 16;
3260		4114	BDB::max_poll_reqs $TICK * 0.1;
3261	BDB::set_sync_prepare {	4115	$AnyEvent::BDB::WATCHER->priority (1);
3262	my $status;
3263	my $current = $Coro::current;
3264	(
3265	sub {
3266	$status = $!;
3267	$current->ready; undef $current;
3268	},
3269	sub {
3270	Coro::schedule while defined $current;
3271	$! = $status;
3272	},
3273	)
3274	};
3275		4116
3276	unless ($DB_ENV) {	4117	unless ($DB_ENV) {
3277	$DB_ENV = BDB::db_env_create;	4118	$DB_ENV = BDB::db_env_create;
		4119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4120	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4121	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4122	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4123	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3278		4124
3279	cf::sync_job {	4125	cf::sync_job {
3280	eval {	4126	eval {
3281	BDB::db_env_open	4127	BDB::db_env_open
3282	$DB_ENV,	4128	$DB_ENV,
…		…
3284	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4130	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3285	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4131	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3286	0666;	4132	0666;
3287		4133
3288	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4134	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3289
3290	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3291	$DB_ENV->set_lk_detect;
3292	};	4135	};
3293		4136
3294	cf::cleanup "db_env_open(db): $@" if $@;	4137	cf::cleanup "db_env_open(db): $@" if $@;
3295	};	4138	};
3296	}	4139	}
		4140
		4141	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4142	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4143	};
		4144	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4145	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4146	};
		4147	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4148	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4149	};
3297	}	4150	}
3298		4151
3299	{	4152	{
		4153	# configure IO::AIO
		4154
3300	IO::AIO::min_parallel 8;	4155	IO::AIO::min_parallel 8;
3301
3302	undef $Coro::AIO::WATCHER;
3303	IO::AIO::max_poll_time $TICK * 0.1;	4156	IO::AIO::max_poll_time $TICK * 0.1;
3304	$AIO_POLL_WATCHER = Event->io (	4157	undef $AnyEvent::AIO::WATCHER;
3305	reentrant => 0,
3306	data => WF_AUTOCANCEL,
3307	fd => IO::AIO::poll_fileno,
3308	poll => 'r',
3309	prio => 6,
3310	cb => \&IO::AIO::poll_cb,
3311	);
3312	}	4158	}
3313		4159
3314	my $_log_backtrace;	4160	my $_log_backtrace;
3315		4161
3316	sub _log_backtrace {	4162	sub _log_backtrace {
…		…
3319	$msg =~ s/\n//;	4165	$msg =~ s/\n//;
3320		4166
3321	# limit the # of concurrent backtraces	4167	# limit the # of concurrent backtraces
3322	if ($_log_backtrace < 2) {	4168	if ($_log_backtrace < 2) {
3323	++$_log_backtrace;	4169	++$_log_backtrace;
		4170	my $perl_bt = Carp::longmess $msg;
3324	async {	4171	async {
		4172	$Coro::current->{desc} = "abt $msg";
		4173
3325	my @bt = fork_call {	4174	my @bt = fork_call {
3326	@addr = map { sprintf "%x", $_ } @addr;	4175	@addr = map { sprintf "%x", $_ } @addr;
3327	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4176	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3328	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4177	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3329	or die "addr2line: $!";	4178	or die "addr2line: $!";
…		…
3337	}	4186	}
3338		4187
3339	@funcs	4188	@funcs
3340	};	4189	};
3341		4190
3342	LOG llevInfo, "[ABT] $msg\n";	4191	LOG llevInfo, "[ABT] $perl_bt\n";
		4192	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3343	LOG llevInfo, "[ABT] $_\n" for @bt;	4193	LOG llevInfo, "[ABT] $_\n" for @bt;
3344	--$_log_backtrace;	4194	--$_log_backtrace;
3345	};	4195	};
3346	} else {	4196	} else {
3347	LOG llevInfo, "[ABT] $msg\n";	4197	LOG llevInfo, "[ABT] $msg\n";
3348	LOG llevInfo, "[ABT] [suppressed]\n";	4198	LOG llevInfo, "[ABT] [suppressed]\n";
3349	}	4199	}
3350	}	4200	}
3351		4201
3352	# load additional modules	4202	# load additional modules
3353	use cf::pod;	4203	require "cf/$_.pm" for @EXTRA_MODULES;
		4204	cf::_connect_to_perl_2;
3354		4205
3355	END { cf::emergency_save }	4206	END { cf::emergency_save }
3356		4207
3357	1	4208	1
3358		4209

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