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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.542 by root, Wed May 5 09:05:03 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
…		…
918		1101
919	=cut	1102	=cut
920		1103
921	#############################################################################	1104	#############################################################################
922	# object support	1105	# object support
923	#
924		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#
925	sub _can_merge {	1140	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1141	my ($ob1, $ob2) = @_;
927		1142
928	local $Storable::canonical = 1;	1143	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1144
932	$fob1 eq $fob2	1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
933	}	1147	}
934		1148
935	sub reattach {	1149	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1151	my ($obj) = @_;
938		1152
		1153	# no longer needed after getting rid of delete_package?
939	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
940		1155
941	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
942		1157
943	@$registry = ();	1158	@$registry = ();
944		1159
…		…
949	for (@$attach) {	1164	for (@$attach) {
950	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
952	}	1167	}
953	} else {	1168	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1170	}
956	}	1171	}
957	}	1172	}
958		1173
959	cf::attachable->attach (	1174	cf::attachable->attach (
960	prio => -1000000,	1175	prio => -1000000,
961	on_instantiate => sub {	1176	on_instantiate => sub {
962	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
963		1178
964	$data = from_json $data;	1179	$data = decode_json $data;
965		1180
966	for (@$data) {	1181	for (@$data) {
967	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
968		1183
969	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1200	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
987		1202
988	sync_job {	1203	sync_job {
989	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
992		1209
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	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	}
997	close $fh;	1217	aio_close $fh;
998		1218
999	if (@$objs) {	1219	if (@$objs) {
1000	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) {
1001	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
1004	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	}
1005	close $fh;	1228	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1230	}
1008	} else {	1231	} else {
1009	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
1010	}	1233	}
1011		1234
1012	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1239	} else {
1014	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
1015	}	1241	}
1016	} else {	1242	} else {
1017	aio_unlink $filename;	1243	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1019	}	1245	}
1020	}	1246	};
1021	}	1247	}
1022		1248
1023	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1025		1251
…		…
1037	or return;	1263	or return;
1038		1264
1039	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1267	or return;
		1268
1042	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1043	}	1271	}
1044		1272
		1273	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1047	return ($data, $av);	1278	($data, $av)
1048	}	1279	}
1049		1280
1050	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1051		1282
1052	=over 4	1283	=over 4
…		…
1106	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1107		1338
1108	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1109	}	1340	}
1110		1341
		1342	use File::Glob ();
		1343
1111	cf::player->attach (	1344	cf::player->attach (
1112	on_command => sub {	1345	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1114		1347
1115	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1116	or return;	1349	or return;
1117		1350
…		…
1125	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1126		1359
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1361
1129	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
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1135	} else {	1377	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1379	}
1138		1380
1139	cf::override;	1381	cf::override;
1140	},	1382	},
1141	);	1383	);
1142		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
1143	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1144	cf::sync_job {	1401	cf::sync_job {
1145	my %todo;	1402	my %todo;
1146		1403
1147	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1405	next unless -r $path;
…		…
1166		1423
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1426
1170	$ext{source} =	1427	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1173	. $source	1430	. $source
1174	. "\n};\n1";	1431	. "\n};\n1";
1175		1432
1176	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1177	}	1434	}
1178		1435
		1436	my $pass = 0;
1179	my %done;	1437	my %done;
1180	while (%todo) {	1438	while (%todo) {
1181	my $progress;	1439	my $progress;
1182		1440
		1441	++$pass;
		1442
		1443	ext:
1183	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1446	next ext
1186	unless exists $done{$_};	1447	unless exists $done{$_};
1187	}	1448	}
1188		1449
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1451
1191	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1196	warn $msg;	1459
1197	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1461	delete $todo{$k};
1199	}	1462	} else {
1200		1463	$done{$k} = delete $todo{$k};
1201	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1202	}	1469	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1470	}
1208		1471
1209	skip:	1472	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	unless $progress;	1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
1212	}	1480	}
1213	};	1481	};
1214	}	1482	}
1215		1483
1216	#############################################################################	1484	#############################################################################
1217		1485
1218	=back	1486	=back
1219		1487
1220	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1221		1489
1222	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1223		1491
1224	=cut	1492	=cut
1225		1493
1226	package cf::player;	1494	package cf::player;
1227		1495
1228	use Coro::AIO;	1496	use Coro::AIO;
1229		1497
1230	=head3 cf::player	1498	=head3 cf::player
1231		1499
1232	=over 4	1500	=over 4
		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
1233		1515
1234	=item cf::player::find $login	1516	=item cf::player::find $login
1235		1517
1236	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1237		1519
…		…
1256		1538
1257	sub exists($) {	1539	sub exists($) {
1258	my ($login) = @_;	1540	my ($login) = @_;
1259		1541
1260	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1262	}	1544	}
1263		1545
1264	sub find($) {	1546	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1548	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1559
1278	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1281	}	1569	}
1282	}	1570	}
1283	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
1284		1585
1285	sub save($) {	1586	sub save($) {
1286	my ($pl) = @_;	1587	my ($pl) = @_;
1287		1588
1288	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1294		1595
1295	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1297		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
1298	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1299	Coro::cede;	1605	cf::cede_to_tick;
1300	}	1606	}
1301		1607
1302	sub new($) {	1608	sub new($) {
1303	my ($login) = @_;	1609	my ($login) = @_;
1304		1610
…		…
1310	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1311		1617
1312	$self	1618	$self
1313	}	1619	}
1314		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1315	=item $pl->quit_character	1631	=item $pl->quit_character
1316		1632
1317	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1319		1635
…		…
1323	my ($pl) = @_;	1639	my ($pl) = @_;
1324		1640
1325	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1326		1642
1327	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1329		1645
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1334		1651
1335	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1689	or return [];
1373		1690
1374	my @logins;	1691	my @logins;
1375		1692
1376	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1380		1703
1381	utf8::decode $login;	1704	utf8::decode $login;
1382	push @logins, $login;	1705	push @logins, $login;
1383	}	1706	}
1384		1707
1385	\@logins	1708	\@logins
1386	}	1709	}
1387		1710
1388	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1389		1714
1390	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1391	player. May block.	1716	player. May block.
1392		1717
1393	=cut	1718	=cut
…		…
1411	}	1736	}
1412		1737
1413	\@paths	1738	\@paths
1414	}	1739	}
1415		1740
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1742
1418	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1419		1744
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1467		1746
1468	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1469		1748
1470	=cut	1749	=cut
1471		1750
1472	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1474		1753
1475	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1755	}
1478		1756
1479	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1480		1758
1481	Sends an ext event to the client.	1759	Sends an ext event to the client.
1482		1760
1483	=cut	1761	=cut
1484		1762
1485	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1487		1765
1488	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1489	}	1767	}
1490		1768
1491	=head3 cf::region	1769	=head3 cf::region
1492		1770
1493	=over 4	1771	=over 4
…		…
1502		1780
1503	=cut	1781	=cut
1504		1782
1505	sub find_by_path($) {	1783	sub find_by_path($) {
1506	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1507		1787
1508	my ($match, $specificity);	1788	my ($match, $specificity);
1509		1789
1510	for my $region (list) {	1790	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1539		1819
1540	sub generate_random_map {	1820	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1824
1542	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1826	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1565		1848
1566	sub register {	1849	sub register {
1567	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	1851	my $pkg = caller;
1569		1852
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		1854
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	1856	}
1575		1857
1576	# also paths starting with '/'	1858	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		1860
1579	sub thawer_merge {	1861	sub thawer_merge {
1580	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1581		1863
1582	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1668		1950
1669	# the temporary/swap location	1951	# the temporary/swap location
1670	sub save_path {	1952	sub save_path {
1671	my ($self) = @_;	1953	my ($self) = @_;
1672		1954
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1675	}	1957	}
1676		1958
1677	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1678	sub uniq_path {	1960	sub uniq_path {
1679	my ($self) = @_;	1961	my ($self) = @_;
1680		1962
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	1965	}
1693		1966
1694	sub decay_objects {	1967	sub decay_objects {
1695	my ($self) = @_;	1968	my ($self) = @_;
1696		1969
…		…
1709		1982
1710	sub load_header_from($) {	1983	sub load_header_from($) {
1711	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1712		1985
1713	utf8::encode $path;	1986	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1988	or return;
		1989
		1990	$self->_load_header ($f)
		1991	or return;
		1992
		1993	local $MAP_LOADING{$self->{path}} = $self;
		1994	$f->resolve_delayed_derefs;
1719		1995
1720	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1721		1997
1722	1	1998	1
1723	}	1999	}
…		…
1777	sub find {	2053	sub find {
1778	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1779		2055
1780	$path = normalise $path, $origin && $origin->path;	2056	$path = normalise $path, $origin && $origin->path;
1781		2057
		2058	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2059	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2060
1784	$cf::MAP{$path} || do {	2061	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2062	my $map = new_from_path cf::map $path
1787	or return;	2063	or return;
1788		2064
1789	$map->{last_save} = $cf::RUNTIME;	2065	$map->{last_save} = $cf::RUNTIME;
1790		2066
…		…
1792	or return;	2068	or return;
1793		2069
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2070	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2071	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2072	#$cf::WAIT_FOR_TICK->wait;
		2073	undef $guard2;
		2074	undef $guard1;
1797	$map->reset;	2075	$map->reset;
1798	undef $guard;
1799	return find $path;	2076	return find $path;
1800	}	2077	}
1801		2078
1802	$cf::MAP{$path} = $map	2079	$cf::MAP{$path} = $map
1803	}	2080	}
1804	}	2081	}
1805		2082
1806	sub pre_load { }	2083	sub pre_load { }
1807	sub post_load { }	2084	#sub post_load { } # XS
1808		2085
1809	sub load {	2086	sub load {
1810	my ($self) = @_;	2087	my ($self) = @_;
1811		2088
1812	local $self->{deny_reset} = 1; # loading can take a long time	2089	local $self->{deny_reset} = 1; # loading can take a long time
1813		2090
1814	my $path = $self->{path};	2091	my $path = $self->{path};
1815		2092
1816	{	2093	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2094	my $guard = cf::lock_acquire "map_data:$path";
1818		2095
		2096	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2097	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2098
1821	$self->in_memory (cf::MAP_LOADING);	2099	$self->in_memory (cf::MAP_LOADING);
1822		2100
1823	$self->alloc;	2101	$self->alloc;
1824		2102
1825	$self->pre_load;	2103	$self->pre_load;
1826	Coro::cede;	2104	cf::cede_to_tick;
1827		2105
		2106	my $f = new_from_file cf::object::thawer $self->{load_path};
		2107	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2108	$self->_load_objects ($f)
1829	or return;	2109	or return;
1830		2110
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2111	$self->post_load_original
1832	if delete $self->{load_original};	2112	if delete $self->{load_original};
1833		2113
1834	if (my $uniq = $self->uniq_path) {	2114	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2115	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2116	unless (aio_stat $uniq) {
		2117	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2118	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2119	$self->_load_objects ($f);
		2120	$f->resolve_delayed_derefs;
		2121	}
1839	}	2122	}
1840	}	2123	}
1841		2124
1842	Coro::cede;	2125	$f->resolve_delayed_derefs;
		2126
		2127	cf::cede_to_tick;
1843	# now do the right thing for maps	2128	# now do the right thing for maps
1844	$self->link_multipart_objects;	2129	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2130	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2131	unless $self->difficulty;
1847	Coro::cede;	2132	cf::cede_to_tick;
1848		2133
1849	unless ($self->{deny_activate}) {	2134	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2135	$self->decay_objects;
1851	$self->fix_auto_apply;	2136	$self->fix_auto_apply;
1852	$self->update_buttons;	2137	$self->update_buttons;
1853	Coro::cede;	2138	cf::cede_to_tick;
1854	$self->set_darkness_map;
1855	Coro::cede;
1856	$self->activate;	2139	$self->activate;
1857	}	2140	}
1858		2141
		2142	$self->{last_save} = $cf::RUNTIME;
		2143	$self->last_access ($cf::RUNTIME);
		2144
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2145	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2146	}
1861		2147
1862	$self->post_load;	2148	$self->post_load;
1863	}	2149	}
1864		2150
		2151	# customize the map for a given player, i.e.
		2152	# return the _real_ map. used by e.g. per-player
		2153	# maps to change the path to ~playername/mappath
1865	sub customise_for {	2154	sub customise_for {
1866	my ($self, $ob) = @_;	2155	my ($self, $ob) = @_;
1867		2156
1868	return find "~" . $ob->name . "/" . $self->{path}	2157	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2158	if $self->per_player;
…		…
1873		2162
1874	$self	2163	$self
1875	}	2164	}
1876		2165
1877	# find and load all maps in the 3x3 area around a map	2166	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2167	sub load_neighbours {
1879	my ($map) = @_;	2168	my ($map) = @_;
1880		2169
1881	my @diag; # diagonal neighbours	2170	my @neigh; # diagonal neighbours
1882		2171
1883	for (0 .. 3) {	2172	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2173	my $neigh = $map->tile_path ($_)
1885	or next;	2174	or next;
1886	$neigh = find $neigh, $map	2175	$neigh = find $neigh, $map
1887	or next;	2176	or next;
1888	$neigh->load;	2177	$neigh->load;
1889		2178
		2179	# now find the diagonal neighbours
		2180	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2181	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2182	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2183	}
1893		2184
1894	for (@diag) {	2185	for (grep defined $_->[0], @neigh) {
		2186	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2187	my $neigh = find $path, $origin
1896	or next;	2188	or next;
1897	$neigh->load;	2189	$neigh->load;
1898	}	2190	}
1899	}	2191	}
1900		2192
1901	sub find_sync {	2193	sub find_sync {
1902	my ($path, $origin) = @_;	2194	my ($path, $origin) = @_;
1903		2195
1904	cf::sync_job { find $path, $origin }	2196	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2197	if $Coro::current == $Coro::main;
		2198
		2199	find $path, $origin
1905	}	2200	}
1906		2201
1907	sub do_load_sync {	2202	sub do_load_sync {
1908	my ($map) = @_;	2203	my ($map) = @_;
1909		2204
1910	cf::sync_job { $map->load };	2205	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2206	if $Coro::current == $Coro::main;
		2207
		2208	$map->load;
1911	}	2209	}
1912		2210
1913	our %MAP_PREFETCH;	2211	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2212	our $MAP_PREFETCHER = undef;
1915		2213
1916	sub find_async {	2214	sub find_async {
1917	my ($path, $origin) = @_;	2215	my ($path, $origin, $load) = @_;
1918		2216
1919	$path = normalise $path, $origin && $origin->{path};	2217	$path = normalise $path, $origin && $origin->{path};
1920		2218
1921	if (my $map = $cf::MAP{$path}) {	2219	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2220	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2221	}
1924		2222
1925	undef $MAP_PREFETCH{$path};	2223	$MAP_PREFETCH{$path} |= $load;
		2224
1926	$MAP_PREFETCHER ||= cf::async {	2225	$MAP_PREFETCHER ||= cf::async {
		2226	$Coro::current->{desc} = "map prefetcher";
		2227
1927	while (%MAP_PREFETCH) {	2228	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2229	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2230	if (my $map = find $k) {
1930	$map->load;	2231	$map->load if $v;
1931	}	2232	}
1932		2233
1933	delete $MAP_PREFETCH{$path};	2234	delete $MAP_PREFETCH{$k};
1934	}	2235	}
1935	}	2236	}
1936	undef $MAP_PREFETCHER;	2237	undef $MAP_PREFETCHER;
1937	};	2238	};
1938	$MAP_PREFETCHER->prio (6);	2239	$MAP_PREFETCHER->prio (6);
1939		2240
1940	()	2241	()
1941	}	2242	}
1942		2243
		2244	# common code, used by both ->save and ->swapout
1943	sub save {	2245	sub _save {
1944	my ($self) = @_;	2246	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2247
1948	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1949		2249
1950	return unless $self->dirty;	2250	return unless $self->dirty;
1951		2251
…		…
1957	return if $self->{deny_save};	2257	return if $self->{deny_save};
1958		2258
1959	local $self->{last_access} = $self->last_access;#d#	2259	local $self->{last_access} = $self->last_access;#d#
1960		2260
1961	cf::async {	2261	cf::async {
		2262	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2263	$_->contr->save for $self->players;
1963	};	2264	};
		2265
		2266	cf::get_slot 0.02;
1964		2267
1965	if ($uniq) {	2268	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2269	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2270	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2271	} else {
1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2272	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1970	}	2273	}
1971	}	2274	}
1972		2275
		2276	sub save {
		2277	my ($self) = @_;
		2278
		2279	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2280
		2281	$self->_save;
		2282	}
		2283
1973	sub swap_out {	2284	sub swap_out {
1974	my ($self) = @_;	2285	my ($self) = @_;
1975		2286
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2288
		2289	return if $self->in_memory != cf::MAP_ACTIVE;
		2290	return if $self->{deny_save};
1981	return if $self->players;	2291	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		2292
		2293	# first deactivate the map and "unlink" it from the core
		2294	$self->deactivate;
		2295	$_->clear_links_to ($self) for values %cf::MAP;
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# then atomically save
		2299	$self->_save;
		2300
		2301	# then free the map
1985	$self->clear;	2302	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2303	}
1988		2304
1989	sub reset_at {	2305	sub reset_at {
1990	my ($self) = @_;	2306	my ($self) = @_;
1991		2307
…		…
2009		2325
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2326	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2327
2012	return if $self->players;	2328	return if $self->players;
2013		2329
2014	warn "resetting map ", $self->path;	2330	cf::trace "resetting map ", $self->path, "\n";
2015		2331
2016	$self->in_memory (cf::MAP_SWAPPED);	2332	$self->in_memory (cf::MAP_SWAPPED);
2017		2333
2018	# need to save uniques path	2334	# need to save uniques path
2019	unless ($self->{deny_save}) {	2335	unless ($self->{deny_save}) {
…		…
2023	if $uniq;	2339	if $uniq;
2024	}	2340	}
2025		2341
2026	delete $cf::MAP{$self->path};	2342	delete $cf::MAP{$self->path};
2027		2343
		2344	$self->deactivate;
		2345	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2346	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2347
2032	$self->unlink_save;	2348	$self->unlink_save;
2033	$self->destroy;	2349	$self->destroy;
2034	}	2350	}
2035		2351
2036	my $nuke_counter = "aaaa";	2352	my $nuke_counter = "aaaa";
2037		2353
2038	sub nuke {	2354	sub nuke {
2039	my ($self) = @_;	2355	my ($self) = @_;
2040		2356
		2357	{
		2358	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2359
2041	delete $cf::MAP{$self->path};	2360	delete $cf::MAP{$self->path};
2042		2361
2043	$self->unlink_save;	2362	$self->unlink_save;
2044		2363
2045	bless $self, "cf::map";	2364	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2365	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2366	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2367	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2368	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2369
2051	$cf::MAP{$self->path} = $self;	2370	$cf::MAP{$self->path} = $self;
		2371	}
2052		2372
2053	$self->reset; # polite request, might not happen	2373	$self->reset; # polite request, might not happen
2054	}	2374	}
2055		2375
2056	=item $maps = cf::map::tmp_maps	2376	=item $maps = cf::map::tmp_maps
…		…
2098		2418
2099	sub unique_maps() {	2419	sub unique_maps() {
2100	[	2420	[
2101	map {	2421	map {
2102	utf8::decode $_;	2422	utf8::decode $_;
2103	/\.map$/	2423	s/\.map$//; # TODO future compatibility hack
		2424	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2425	? ()
2104	? normalise $_	2426	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2427	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2428	]
2108	}	2429	}
2109		2430
2110	package cf;	2431	=item cf::map::static_maps
		2432
		2433	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2434	file in the shared directory excluding F</styles> and F</editor>). May
		2435	block.
		2436
		2437	=cut
		2438
		2439	sub static_maps() {
		2440	my @dirs = "";
		2441	my @maps;
		2442
		2443	while (@dirs) {
		2444	my $dir = shift @dirs;
		2445
		2446	next if $dir eq "/styles" || $dir eq "/editor";
		2447
		2448	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2449	or return;
		2450
		2451	for (@$files) {
		2452	s/\.map$// or next;
		2453	utf8::decode $_;
		2454	push @maps, "$dir/$_";
		2455	}
		2456
		2457	push @dirs, map "$dir/$_", @$dirs;
		2458	}
		2459
		2460	\@maps
		2461	}
2111		2462
2112	=back	2463	=back
2113		2464
2114	=head3 cf::object	2465	=head3 cf::object
2115		2466
…		…
2119		2470
2120	=over 4	2471	=over 4
2121		2472
2122	=item $ob->inv_recursive	2473	=item $ob->inv_recursive
2123		2474
2124	Returns the inventory of the object _and_ their inventories, recursively.	2475	Returns the inventory of the object I<and> their inventories, recursively,
		2476	but I<not> the object itself.
2125		2477
2126	=cut	2478	=cut
2127		2479
2128	sub inv_recursive_;	2480	sub inv_recursive_;
2129	sub inv_recursive_ {	2481	sub inv_recursive_ {
…		…
2132		2484
2133	sub inv_recursive {	2485	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2486	inv_recursive_ inv $_[0]
2135	}	2487	}
2136		2488
		2489	=item $ref = $ob->ref
		2490
		2491	Creates and returns a persistent reference to an object that can be stored as a string.
		2492
		2493	=item $ob = cf::object::deref ($refstring)
		2494
		2495	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2496	even if the object actually exists. May block.
		2497
		2498	=cut
		2499
		2500	sub deref {
		2501	my ($ref) = @_;
		2502
		2503	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2504	my ($uuid, $name) = ($1, $2);
		2505	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2506	or return;
		2507	$pl->ob->uuid eq $uuid
		2508	or return;
		2509
		2510	$pl->ob
		2511	} else {
		2512	warn "$ref: cannot resolve object reference\n";
		2513	undef
		2514	}
		2515	}
		2516
2137	package cf;	2517	package cf;
2138		2518
2139	=back	2519	=back
2140		2520
2141	=head3 cf::object::player	2521	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2527	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2528	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2529	dialogue with the given NPC character.
2150		2530
2151	=cut	2531	=cut
		2532
		2533	our $SAY_CHANNEL = {
		2534	id => "say",
		2535	title => "Map",
		2536	reply => "say ",
		2537	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2538	};
		2539
		2540	our $CHAT_CHANNEL = {
		2541	id => "chat",
		2542	title => "Chat",
		2543	reply => "chat ",
		2544	tooltip => "Player chat and shouts, global to the server.",
		2545	};
2152		2546
2153	# rough implementation of a future "reply" method that works	2547	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2548	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2549	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2550	sub cf::object::player::reply($$$;$) {
…		…
2163		2557
2164	} else {	2558	} else {
2165	my $pl = $self->contr;	2559	my $pl = $self->contr;
2166		2560
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2561	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2562	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2563	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2564
2176	} else {	2565	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2566	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2567	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2568	}
2180	}	2569	}
		2570	}
		2571
		2572	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2573
		2574	=cut
		2575
		2576	sub cf::object::send_msg {
		2577	my $pl = shift->contr
		2578	or return;
		2579	$pl->send_msg (@_);
2181	}	2580	}
2182		2581
2183	=item $player_object->may ("access")	2582	=item $player_object->may ("access")
2184		2583
2185	Returns wether the given player is authorized to access resource "access"	2584	Returns wether the given player is authorized to access resource "access"
…		…
2198		2597
2199	=item $player_object->enter_link	2598	=item $player_object->enter_link
2200		2599
2201	Freezes the player and moves him/her to a special map (C<{link}>).	2600	Freezes the player and moves him/her to a special map (C<{link}>).
2202		2601
2203	The player should be reasonably safe there for short amounts of time. You	2602	The player should be reasonably safe there for short amounts of time (e.g.
2204	I<MUST> call C<leave_link> as soon as possible, though.	2603	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2604	though, as the player cannot control the character while it is on the link
		2605	map.
2205		2606
2206	Will never block.	2607	Will never block.
2207		2608
2208	=item $player_object->leave_link ($map, $x, $y)	2609	=item $player_object->leave_link ($map, $x, $y)
2209		2610
…		…
2229	sub cf::object::player::enter_link {	2630	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2631	my ($self) = @_;
2231		2632
2232	$self->deactivate_recursive;	2633	$self->deactivate_recursive;
2233		2634
		2635	++$self->{_link_recursion};
		2636
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2637	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2638
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2639	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2640	if $self->map && $self->map->{path} ne "{link}";
2238		2641
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2642	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2643	}
2241		2644
2242	sub cf::object::player::leave_link {	2645	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2646	my ($self, $map, $x, $y) = @_;
2244		2647
…		…
2261	($x, $y) = (-1, -1)	2664	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2665	unless (defined $x) && (defined $y);
2263		2666
2264	# use -1 or undef as default coordinates, not 0, 0	2667	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2668	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2669	if $x <= 0 && $y <= 0;
2267		2670
2268	$map->load;	2671	$map->load;
2269	$map->load_diag;	2672	$map->load_neighbours;
2270		2673
2271	return unless $self->contr->active;	2674	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2675
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2676	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2677	if ($self->enter_map ($map, $x, $y)) {
2276	}	2678	# entering was successful
		2679	delete $self->{_link_recursion};
		2680	# only activate afterwards, to support waiting in hooks
		2681	$self->activate_recursive;
		2682	}
2277		2683
		2684	}
		2685
2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2686	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2279		2687
2280	Moves the player to the given map-path and coordinates by first freezing	2688	Moves the player to the given map-path and coordinates by first freezing
2281	her, loading and preparing them map, calling the provided $check callback	2689	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2690	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2691	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2692	be called at the end of this process.
2285		2693
		2694	Note that $check will be called with a potentially non-loaded map, so if
		2695	it needs a loaded map it has to call C<< ->load >>.
		2696
2286	=cut	2697	=cut
2287		2698
2288	our $GOTOGEN;	2699	our $GOTOGEN;
2289		2700
2290	sub cf::object::player::goto {	2701	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2702	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2703
		2704	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2705	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2706	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2707	($path, $x, $y) = @$EMERGENCY_POSITION;
		2708	}
		2709
2293	# do generation counting so two concurrent goto's will be executed in-order	2710	# do generation counting so two concurrent goto's will be executed in-order
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2711	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2712
2296	$self->enter_link;	2713	$self->enter_link;
2297		2714
2298	(async {	2715	(async {
		2716	$Coro::current->{desc} = "player::goto $path $x $y";
		2717
		2718	# *tag paths override both path and x|y
		2719	if ($path =~ /^\*(.*)$/) {
		2720	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2721	my $ob = $obs[rand @obs];
		2722
		2723	# see if we actually can go there
		2724	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2725	$ob = $obs[rand @obs];
		2726	} else {
		2727	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2728	}
		2729	# else put us there anyways for now #d#
		2730
		2731	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2732	} else {
		2733	($path, $x, $y) = (undef, undef, undef);
		2734	}
		2735	}
		2736
2299	my $map = eval {	2737	my $map = eval {
2300	my $map = cf::map::find $path;	2738	my $map = defined $path ? cf::map::find $path : undef;
2301		2739
2302	if ($map) {	2740	if ($map) {
2303	$map = $map->customise_for ($self);	2741	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2742	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2743	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2744	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2745	}
2308		2746
2309	$map	2747	$map
2310	};	2748	};
2311		2749
…		…
2317	if ($gen == $self->{_goto_generation}) {	2755	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2756	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2757	$self->leave_link ($map, $x, $y);
2320	}	2758	}
2321		2759
2322	$done->() if $done;	2760	$done->($self) if $done;
2323	})->prio (1);	2761	})->prio (1);
2324	}	2762	}
2325		2763
2326	=item $player_object->enter_exit ($exit_object)	2764	=item $player_object->enter_exit ($exit_object)
2327		2765
…		…
2347	}	2785	}
2348		2786
2349	sub prepare_random_map {	2787	sub prepare_random_map {
2350	my ($exit) = @_;	2788	my ($exit) = @_;
2351		2789
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2790	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2791	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2792	# that depends on the exit object
2357		2793
2358	my $rmp = parse_random_map_params $exit->msg;	2794	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2796	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2797	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2798	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2799	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2800	$rmp->{origin_y} = $exit->y;
		2801
		2802	$exit->map->touch;
2365	}	2803	}
2366		2804
2367	$rmp->{random_seed} ||= $exit->random_seed;	2805	$rmp->{random_seed} ||= $exit->random_seed;
2368		2806
2369	my $data = cf::to_json $rmp;	2807	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2808	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2809	my $meta = "$RANDOMDIR/$md5.meta";
2372		2810
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2811	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2812	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2813	undef $fh;
2376	aio_rename "$meta~", $meta;	2814	aio_rename "$meta~", $meta;
2377		2815
		2816	my $slaying = "?random/$md5";
		2817
		2818	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2819	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2820	$exit->msg (undef);
		2821	}
2380	}	2822	}
2381	}	2823	}
2382		2824
2383	sub cf::object::player::enter_exit {	2825	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2826	my ($self, $exit) = @_;
2385		2827
2386	return unless $self->type == cf::PLAYER;	2828	return unless $self->type == cf::PLAYER;
2387		2829
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2830	$self->enter_link;
2400		2831
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2832	(async {
2406	$self->deactivate_recursive; # just to be sure	2833	$Coro::current->{desc} = "enter_exit";
		2834
2407	unless (eval {	2835	unless (eval {
		2836	$self->deactivate_recursive; # just to be sure
		2837
		2838	# random map handling
		2839	{
		2840	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2841
		2842	prepare_random_map $exit
		2843	if $exit->slaying eq "/!";
		2844	}
		2845
		2846	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2847	my $x = $exit->stats->hp;
		2848	my $y = $exit->stats->sp;
		2849
2408	$self->goto ($slaying, $hp, $sp);	2850	$self->goto ($map, $x, $y);
2409		2851
		2852	# if exit is damned, update players death & WoR home-position
		2853	$self->contr->savebed ($map, $x, $y)
		2854	if $exit->flag (cf::FLAG_DAMNED);
		2855
2410	1;	2856	1
2411	}) {	2857	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2858	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "I'll try to bring you back to the map you were before. "	2859	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2860	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2861	cf::NDI_UNIQUE | cf::NDI_RED);
2416		2862
2417	warn "ERROR in enter_exit: $@";	2863	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	2864	$self->leave_link;
2419	}	2865	}
2420	})->prio (1);	2866	})->prio (1);
2421	}	2867	}
2422		2868
…		…
2434	sub cf::client::send_drawinfo {	2880	sub cf::client::send_drawinfo {
2435	my ($self, $text, $flags) = @_;	2881	my ($self, $text, $flags) = @_;
2436		2882
2437	utf8::encode $text;	2883	utf8::encode $text;
2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2884	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2885	}
		2886
		2887	=item $client->send_big_packet ($pkt)
		2888
		2889	Like C<send_packet>, but tries to compress large packets, and fragments
		2890	them as required.
		2891
		2892	=cut
		2893
		2894	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2895
		2896	sub cf::client::send_big_packet {
		2897	my ($self, $pkt) = @_;
		2898
		2899	# try lzf for large packets
		2900	$pkt = "lzf " . Compress::LZF::compress $pkt
		2901	if 1024 <= length $pkt and $self->{can_lzf};
		2902
		2903	# split very large packets
		2904	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2905	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2906	$pkt = "frag";
		2907	}
		2908
		2909	$self->send_packet ($pkt);
2439	}	2910	}
2440		2911
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	2912	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		2913
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	2914	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2916	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2917	the message unless the client supports the msg packet.
2447		2918
2448	=cut	2919	=cut
2449		2920
		2921	# non-persistent channels (usually the info channel)
		2922	our %CHANNEL = (
		2923	"c/motd" => {
		2924	id => "infobox",
		2925	title => "MOTD",
		2926	reply => undef,
		2927	tooltip => "The message of the day",
		2928	},
		2929	"c/identify" => {
		2930	id => "infobox",
		2931	title => "Identify",
		2932	reply => undef,
		2933	tooltip => "Items recently identified",
		2934	},
		2935	"c/examine" => {
		2936	id => "infobox",
		2937	title => "Examine",
		2938	reply => undef,
		2939	tooltip => "Signs and other items you examined",
		2940	},
		2941	"c/shopinfo" => {
		2942	id => "infobox",
		2943	title => "Shop Info",
		2944	reply => undef,
		2945	tooltip => "What your bargaining skill tells you about the shop",
		2946	},
		2947	"c/book" => {
		2948	id => "infobox",
		2949	title => "Book",
		2950	reply => undef,
		2951	tooltip => "The contents of a note or book",
		2952	},
		2953	"c/lookat" => {
		2954	id => "infobox",
		2955	title => "Look",
		2956	reply => undef,
		2957	tooltip => "What you saw there",
		2958	},
		2959	"c/who" => {
		2960	id => "infobox",
		2961	title => "Players",
		2962	reply => undef,
		2963	tooltip => "Shows players who are currently online",
		2964	},
		2965	"c/body" => {
		2966	id => "infobox",
		2967	title => "Body Parts",
		2968	reply => undef,
		2969	tooltip => "Shows which body parts you posess and are available",
		2970	},
		2971	"c/statistics" => {
		2972	id => "infobox",
		2973	title => "Statistics",
		2974	reply => undef,
		2975	tooltip => "Shows your primary statistics",
		2976	},
		2977	"c/skills" => {
		2978	id => "infobox",
		2979	title => "Skills",
		2980	reply => undef,
		2981	tooltip => "Shows your experience per skill and item power",
		2982	},
		2983	"c/shopitems" => {
		2984	id => "infobox",
		2985	title => "Shop Items",
		2986	reply => undef,
		2987	tooltip => "Shows the items currently for sale in this shop",
		2988	},
		2989	"c/resistances" => {
		2990	id => "infobox",
		2991	title => "Resistances",
		2992	reply => undef,
		2993	tooltip => "Shows your resistances",
		2994	},
		2995	"c/pets" => {
		2996	id => "infobox",
		2997	title => "Pets",
		2998	reply => undef,
		2999	tooltip => "Shows information abotu your pets/a specific pet",
		3000	},
		3001	"c/perceiveself" => {
		3002	id => "infobox",
		3003	title => "Perceive Self",
		3004	reply => undef,
		3005	tooltip => "You gained detailed knowledge about yourself",
		3006	},
		3007	"c/uptime" => {
		3008	id => "infobox",
		3009	title => "Uptime",
		3010	reply => undef,
		3011	tooltip => "How long the server has been running since last restart",
		3012	},
		3013	"c/mapinfo" => {
		3014	id => "infobox",
		3015	title => "Map Info",
		3016	reply => undef,
		3017	tooltip => "Information related to the maps",
		3018	},
		3019	"c/party" => {
		3020	id => "party",
		3021	title => "Party",
		3022	reply => "gsay ",
		3023	tooltip => "Messages and chat related to your party",
		3024	},
		3025	"c/death" => {
		3026	id => "death",
		3027	title => "Death",
		3028	reply => undef,
		3029	tooltip => "Reason for and more info about your most recent death",
		3030	},
		3031	"c/say" => $SAY_CHANNEL,
		3032	"c/chat" => $CHAT_CHANNEL,
		3033	);
		3034
2450	sub cf::client::send_msg {	3035	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3036	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3037
2453	$msg = $self->pl->expand_cfpod ($msg);	3038	$msg = $self->pl->expand_cfpod ($msg)
		3039	unless $color & cf::NDI_VERBATIM;
2454		3040
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	3041	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		3042
		3043	# check predefined channels, for the benefit of C
		3044	if ($CHANNEL{$channel}) {
		3045	$channel = $CHANNEL{$channel};
		3046
		3047	$self->ext_msg (channel_info => $channel);
		3048	$channel = $channel->{id};
		3049
2457	if (ref $channel) {	3050	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	3051	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	3052	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	3053	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	3054	$self->ext_msg (channel_info => $channel);
2462	}	3055	}
2463		3056
2464	$channel = $channel->{id};	3057	$channel = $channel->{id};
2465	}	3058	}
2466		3059
2467	return unless @extra || length $msg;	3060	return unless @extra || length $msg;
2468		3061
2469	if ($self->can_msg) {	3062	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3063	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	3064	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3065
2482	if ($color >= 0) {	3066	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	3067	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3068	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	3069	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3070
		3071	$self->send_big_packet ($pkt);
		3072	}
		3073
2493	=item $client->ext_event ($type, %msg)	3074	=item $client->ext_msg ($type, @msg)
2494		3075
2495	Sends an ext event to the client.	3076	Sends an ext event to the client.
2496		3077
2497	=cut	3078	=cut
2498		3079
2499	sub cf::client::ext_event($$%) {	3080	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3081	my ($self, $type, @msg) = @_;
2501		3082
2502	return unless $self->extcmd;	3083	if ($self->extcmd == 2) {
2503		3084	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3085	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	3086	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3087	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3088	}
		3089	}
		3090
		3091	=item $client->ext_reply ($msgid, @msg)
		3092
		3093	Sends an ext reply to the client.
		3094
		3095	=cut
		3096
		3097	sub cf::client::ext_reply($$@) {
		3098	my ($self, $id, @msg) = @_;
		3099
		3100	if ($self->extcmd == 2) {
		3101	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3102	} elsif ($self->extcmd == 1) {
		3103	#TODO: version 1, remove
		3104	unshift @msg, msgtype => "reply", msgid => $id;
		3105	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3106	}
2506	}	3107	}
2507		3108
2508	=item $success = $client->query ($flags, "text", \&cb)	3109	=item $success = $client->query ($flags, "text", \&cb)
2509		3110
2510	Queues a query to the client, calling the given callback with	3111	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3166	my ($ns, $buf) = @_;
2566		3167
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3168	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3169
2569	if (ref $msg) {	3170	if (ref $msg) {
		3171	my ($type, $reply, @payload) =
		3172	"ARRAY" eq ref $msg
		3173	? @$msg
		3174	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3175
		3176	my @reply;
		3177
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3178	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3179	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3180	}
		3181
		3182	$ns->ext_reply ($reply, @reply)
		3183	if $reply;
		3184
2576	} else {	3185	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3186	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3187	}
2579		3188
2580	cf::override;	3189	cf::override;
2581	},	3190	},
2582	);	3191	);
…		…
2602		3211
2603	$coro	3212	$coro
2604	}	3213	}
2605		3214
2606	cf::client->attach (	3215	cf::client->attach (
2607	on_destroy => sub {	3216	on_client_destroy => sub {
2608	my ($ns) = @_;	3217	my ($ns) = @_;
2609		3218
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3219	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3220	},
2612	);	3221	);
…		…
2627	our $safe = new Safe "safe";	3236	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3237	our $safe_hole = new Safe::Hole;
2629		3238
2630	$SIG{FPE} = 'IGNORE';	3239	$SIG{FPE} = 'IGNORE';
2631		3240
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3241	$safe->permit_only (Opcode::opset qw(
		3242	:base_core :base_mem :base_orig :base_math :base_loop
		3243	grepstart grepwhile mapstart mapwhile
		3244	sort time
		3245	));
2633		3246
2634	# here we export the classes and methods available to script code	3247	# here we export the classes and methods available to script code
2635		3248
2636	=pod	3249	=pod
2637		3250
2638	The following functions and methods are available within a safe environment:	3251	The following functions and methods are available within a safe environment:
2639		3252
2640	cf::object	3253	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3254	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3255	insert remove name archname title slaying race decrease split
		3256	value
2643		3257
2644	cf::object::player	3258	cf::object::player
2645	player	3259	player
2646		3260
2647	cf::player	3261	cf::player
…		…
2652		3266
2653	=cut	3267	=cut
2654		3268
2655	for (	3269	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3270	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3271	insert remove inv nrof name archname title slaying race
		3272	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3273	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3274	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3275	["cf::map" => qw(trigger)],
2661	) {	3276	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3277	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3278	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3279	for @funs;
2666	}	3280	}
2667		3281
…		…
2682		3296
2683	my $qcode = $code;	3297	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3298	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3299	$qcode =~ s/\n/\\n/g;
2686		3300
		3301	%vars = (_dummy => 0) unless %vars;
		3302
		3303	my @res;
2687	local $_;	3304	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3305
2690	my $eval =	3306	my $eval =
2691	"do {\n"	3307	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3308	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3309	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3310	. $code
2695	. "\n}"	3311	. "\n}"
2696	;	3312	;
2697		3313
		3314	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3315	sub_generation_inc;
		3316	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3317	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	sub_generation_inc;	3318	sub_generation_inc;
		3319	} else {
		3320	local @cf::_safe_eval_args = values %vars;
		3321	@res = wantarray ? eval eval : scalar eval $eval;
		3322	}
2701		3323
2702	if ($@) {	3324	if ($@) {
2703	warn "$@";	3325	warn "$@",
2704	warn "while executing safe code '$code'\n";	3326	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3327	"with arguments " . (join " ", %vars) . "\n";
2706	}	3328	}
2707		3329
2708	wantarray ? @res : $res[0]	3330	wantarray ? @res : $res[0]
2709	}	3331	}
2710		3332
…		…
2724	=cut	3346	=cut
2725		3347
2726	sub register_script_function {	3348	sub register_script_function {
2727	my ($fun, $cb) = @_;	3349	my ($fun, $cb) = @_;
2728		3350
2729	no strict 'refs';	3351	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3352	*$fun = $safe_hole->wrap ($cb);
2731	}	3353	}
2732		3354
2733	=back	3355	=back
2734		3356
2735	=cut	3357	=cut
2736		3358
2737	#############################################################################	3359	#############################################################################
2738	# the server's init and main functions	3360	# the server's init and main functions
2739		3361
		3362	# async inc loader. yay.
		3363	sub inc_loader {
		3364	my $mod = $_[1];
		3365
		3366	if (in_main && !tick_inhibit) {
		3367	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
		3368	} else {
		3369	debug "loading perl module $mod\n";
		3370	}
		3371
		3372	# 1. find real file
		3373	for my $dir (@ORIG_INC) {
		3374	ref $dir and next;
		3375	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3376	or next;
		3377
		3378	$data = "#line 1 $dir/$mod\n$data";
		3379
		3380	open my $fh, "<", \$data or die;
		3381
		3382	return $fh;
		3383	}
		3384
		3385	()
		3386	}
		3387
		3388	sub init_inc {
		3389	# save original @INC
		3390	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3391
		3392	# make sure we can do scalar-opens
		3393	open my $dummy, "<", \my $dummy2;
		3394
		3395	# execute some stuff so perl load's some of the core modules
		3396	/Ü/ =~ /ü/i;
		3397	eval { &Storable::nstore_fd };
		3398
		3399	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3400
		3401	debug "module loading will be asynchronous from this point on.";
		3402	}
		3403
2740	sub load_facedata($) {	3404	sub load_facedata($) {
2741	my ($path) = @_;	3405	my ($path) = @_;
2742		3406
		3407	# HACK to clear player env face cache, we need some signal framework
		3408	# for this (global event?)
		3409	%ext::player_env::MUSIC_FACE_CACHE = ();
		3410
		3411	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3412
2743	warn "loading facedata from $path\n";	3413	trace "loading facedata from $path\n";
2744		3414
2745	my $facedata;	3415	my $facedata;
2746	0 < aio_load $path, $facedata	3416	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3417	or die "$path: $!";
2748		3418
2749	$facedata = Coro::Storable::thaw $facedata;	3419	$facedata = Coro::Storable::thaw $facedata;
2750		3420
2751	$facedata->{version} == 2	3421	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3422	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3423
		3424	# patch in the exptable
		3425	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3426	$facedata->{resource}{"res/exp_table"} = {
		3427	type => FT_RSRC,
		3428	data => $exp_table,
		3429	hash => (Digest::MD5::md5 $exp_table),
		3430	};
		3431	cf::cede_to_tick;
		3432
2754	{	3433	{
2755	my $faces = $facedata->{faceinfo};	3434	my $faces = $facedata->{faceinfo};
2756		3435
2757	while (my ($face, $info) = each %$faces) {	3436	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3437	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3438
2759	cf::face::set_visibility $idx, $info->{visibility};	3439	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3440	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3441	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3442	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2763		3443
2764	cf::cede_to_tick;	3444	cf::cede_to_tick;
2765	}	3445	}
2766		3446
2767	while (my ($face, $info) = each %$faces) {	3447	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3448	next unless $info->{smooth};
		3449
2769	my $idx = cf::face::find $face	3450	my $idx = cf::face::find $face
2770	or next;	3451	or next;
		3452
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3453	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3454	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3455	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3456	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3457	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3458	}
2777		3459
2778	cf::cede_to_tick;	3460	cf::cede_to_tick;
2779	}	3461	}
2780	}	3462	}
…		…
2789		3471
2790	cf::anim::invalidate_all; # d'oh	3472	cf::anim::invalidate_all; # d'oh
2791	}	3473	}
2792		3474
2793	{	3475	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3476	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3477
2799	while (my ($name, $info) = each %$res) {	3478	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3479	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3480	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3481
2808	if ($name =~ /\.jpg$/) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3482	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3483	cf::face::set_type $idx, $info->{type};
2811	} else {	3484	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3485	$RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3486	}
2818		3487
2819	cf::cede_to_tick;	3488	cf::cede_to_tick;
2820	}	3489	}
2821	}	3490	}
2822		3491
		3492	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3493
2823	1	3494	1
2824	}	3495	}
2825		3496
		3497	register_exticmd fx_want => sub {
		3498	my ($ns, $want) = @_;
		3499
		3500	while (my ($k, $v) = each %$want) {
		3501	$ns->fx_want ($k, $v);
		3502	}
		3503	};
		3504
		3505	sub load_resource_file($) {
		3506	my $guard = lock_acquire "load_resource_file";
		3507
		3508	my $status = load_resource_file_ $_[0];
		3509	get_slot 0.1, 100;
		3510	cf::arch::commit_load;
		3511
		3512	$status
		3513	}
		3514
2826	sub reload_regions {	3515	sub reload_regions {
		3516	# HACK to clear player env face cache, we need some signal framework
		3517	# for this (global event?)
		3518	%ext::player_env::MUSIC_FACE_CACHE = ();
		3519
2827	load_resource_file "$MAPDIR/regions"	3520	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3521	or die "unable to load regions file\n";
2829		3522
2830	for (cf::region::list) {	3523	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3524	$_->{match} = qr/$_->{match}/
…		…
2839	}	3532	}
2840		3533
2841	sub reload_archetypes {	3534	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3535	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3536	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3537	}
2850		3538
2851	sub reload_treasures {	3539	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3540	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3541	or die "unable to load treasurelists\n";
2854	}	3542	}
2855		3543
		3544	sub reload_sound {
		3545	trace "loading sound config from $DATADIR/sound\n";
		3546
		3547	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3548	or die "$DATADIR/sound $!";
		3549
		3550	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3551
		3552	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3553	my $sound = $soundconf->{compat}[$_]
		3554	or next;
		3555
		3556	my $face = cf::face::find "sound/$sound->[1]";
		3557	cf::sound::set $sound->[0] => $face;
		3558	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3559	}
		3560
		3561	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3562	my $face = cf::face::find "sound/$v";
		3563	cf::sound::set $k => $face;
		3564	}
		3565	}
		3566
2856	sub reload_resources {	3567	sub reload_resources {
2857	warn "reloading resource files...\n";	3568	trace "reloading resource files...\n";
2858		3569
		3570	reload_facedata;
		3571	reload_sound;
		3572	reload_archetypes;
2859	reload_regions;	3573	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3574	reload_treasures;
2864		3575
2865	warn "finished reloading resource files\n";	3576	trace "finished reloading resource files\n";
2866	}	3577	}
2867		3578
2868	sub init {	3579	sub reload_config {
2869	reload_resources;	3580	trace "reloading config file...\n";
2870	}
2871		3581
2872	sub cfg_load {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3582	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3583	or return;
2875		3584
2876	local $/;	3585	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3586	*CFG = YAML::XS::Load scalar <$fh>;
2878		3587
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3588	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3589
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3590	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3591	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2883		3592
2884	if (exists $CFG{mlockall}) {	3593	if (exists $CFG{mlockall}) {
…		…
2886	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3595	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2887	and die "WARNING: m(un)lockall failed: $!\n";	3596	and die "WARNING: m(un)lockall failed: $!\n";
2888	};	3597	};
2889	warn $@ if $@;	3598	warn $@ if $@;
2890	}	3599	}
		3600
		3601	trace "finished reloading resource files\n";
		3602	}
		3603
		3604	sub pidfile() {
		3605	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3606	or die "$PIDFILE: $!";
		3607	flock $fh, &Fcntl::LOCK_EX
		3608	or die "$PIDFILE: flock: $!";
		3609	$fh
		3610	}
		3611
		3612	# make sure only one server instance is running at any one time
		3613	sub atomic {
		3614	my $fh = pidfile;
		3615
		3616	my $pid = <$fh>;
		3617	kill 9, $pid if $pid > 0;
		3618
		3619	seek $fh, 0, 0;
		3620	print $fh $$;
		3621	}
		3622
		3623	sub main_loop {
		3624	trace "EV::loop starting\n";
		3625	if (1) {
		3626	EV::loop;
		3627	}
		3628	trace "EV::loop returned\n";
		3629	goto &main_loop unless $REALLY_UNLOOP;
2891	}	3630	}
2892		3631
2893	sub main {	3632	sub main {
		3633	cf::init_globals; # initialise logging
		3634
		3635	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3636	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3637	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3638	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3639
		3640	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3641
2894	# we must not ever block the main coroutine	3642	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3643	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3644	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3645	(async {
2898	Event::one_event;	3646	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3647	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3648	})->prio (Coro::PRIO_MAX);
2900	};	3649	};
2901		3650
2902	cfg_load;	3651	evthread_start IO::AIO::poll_fileno;
		3652
		3653	cf::sync_job {
		3654	init_inc;
		3655
		3656	cf::init_experience;
		3657	cf::init_anim;
		3658	cf::init_attackmess;
		3659	cf::init_dynamic;
		3660
		3661	cf::load_settings;
		3662	cf::load_materials;
		3663
		3664	reload_resources;
		3665	reload_config;
2903	db_init;	3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2904	load_extensions;	3676	load_extensions;
2905		3677
2906	$TICK_WATCHER->start;	3678	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	(pop @POST_INIT)->(0) while @POST_INIT;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2908	}	3696	}
2909		3697
2910	#############################################################################	3698	#############################################################################
2911	# initialisation and cleanup	3699	# initialisation and cleanup
2912		3700
2913	# install some emergency cleanup handlers	3701	# install some emergency cleanup handlers
2914	BEGIN {	3702	BEGIN {
		3703	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3704	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3706	cf::cleanup "SIG$signal";
2923	},
2924	);	3707	};
2925	}	3708	}
2926	}	3709	}
2927		3710
2928	sub write_runtime {	3711	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3712	my $t0 = AE::time;
2930		3713
2931	# first touch the runtime file to show we are still running:	3714	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3715	# the fsync below can take a very very long time.
2933		3716
2934	IO::AIO::aio_utime $runtime, undef, undef;	3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3718
2936	my $guard = cf::lock_acquire "write_runtime";	3719	my $guard = cf::lock_acquire "write_runtime";
2937		3720
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3722	or return;
2940		3723
2941	my $value = $cf::RUNTIME + 90 + 10;	3724	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3725	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3726	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3736	aio_utime $fh, undef, undef;
2954		3737
2955	close $fh	3738	close $fh
2956	or return;	3739	or return;
2957		3740
2958	aio_rename "$runtime~", $runtime	3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3742	and return;
2960		3743
2961	warn "runtime file written.\n";	3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		3745
2963	1	3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
2964	}	3797	}
2965		3798
2966	sub emergency_save() {	3799	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3800	my $freeze_guard = cf::freeze_mainloop;
2968		3801
2969	warn "enter emergency perl save\n";	3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
2970		3808
2971	cf::sync_job {	3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
2972	# use a peculiar iteration method to avoid tripping on perl	3812	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	3813	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	3814	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3815	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	3816	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3817	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3820	$pl->save;
2980	}	3821	}
2981	warn "end emergency player save\n";	3822	info "emergency_perl_save: end player save\n";
2982		3823
2983	warn "begin emergency map save\n";	3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	3827	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	3828	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	3829	$map->valid or next;
2987	$map->save;	3830	$map->save;
2988	}	3831	}
2989	warn "end emergency map save\n";	3832	info "emergency_perl_save: end map save\n";
2990		3833
2991	warn "begin emergency database checkpoint\n";	3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3837	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
2994	};	3862	};
2995		3863
2996	warn "leave emergency perl save\n";	3864	info "emergency_perl_save: leave\n";
2997	}	3865	}
2998		3866
2999	sub post_cleanup {	3867	sub post_cleanup {
3000	my ($make_core) = @_;	3868	my ($make_core) = @_;
3001		3869
		3870	IO::AIO::flush;
		3871
3002	warn Carp::longmess "post_cleanup backtrace"	3872	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
3004	}	3902	}
3005		3903
3006	sub do_reload_perl() {	3904	sub do_reload_perl() {
3007	# can/must only be called in main	3905	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	3906	if (in_main) {
3009	warn "can only reload from main coroutine";	3907	error "can only reload from main coroutine";
3010	return;	3908	return;
3011	}	3909	}
3012		3910
		3911	return if $RELOAD++;
		3912
		3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
3013	warn "reloading...";	3916	info "reloading...";
3014		3917
3015	warn "entering sync_job";	3918	trace "entering sync_job";
3016		3919
3017	cf::sync_job {	3920	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	3921	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		3922
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	3923	trace "cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	3924	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	3925	%EXT_CORO = ();
3046		3926
3047	warn "removing commands";	3927	trace "removing commands";
3048	%COMMAND = ();	3928	%COMMAND = ();
3049		3929
3050	warn "removing ext/exti commands";	3930	trace "removing ext/exti commands";
3051	%EXTCMD = ();	3931	%EXTCMD = ();
3052	%EXTICMD = ();	3932	%EXTICMD = ();
3053		3933
3054	warn "unloading/nuking all extensions";	3934	trace "unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	3935	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	3936	trace "... unloading $pkg";
3057		3937
3058	if (my $cb = $pkg->can ("unload")) {	3938	if (my $cb = $pkg->can ("unload")) {
3059	eval {	3939	eval {
3060	$cb->($pkg);	3940	$cb->($pkg);
3061	1	3941	1
3062	} or warn "$pkg unloaded, but with errors: $@";	3942	} or error "$pkg unloaded, but with errors: $@";
		3943	}
		3944
		3945	trace "... clearing $pkg";
		3946	clear_package $pkg;
3063	}	3947	}
3064		3948
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	3949	trace "unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	3950	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3951	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		3952
3073	warn "... unloading $k";	3953	trace "... unloading $k";
3074	delete $INC{$k};	3954	delete $INC{$k};
3075		3955
3076	$k =~ s/\.pm$//;	3956	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	3957	$k =~ s/\//::/g;
3078		3958
3079	if (my $cb = $k->can ("unload_module")) {	3959	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	3960	$cb->();
		3961	}
		3962
		3963	clear_package $k;
3081	}	3964	}
3082		3965
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	3966	trace "getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	3967	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3968	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		3969
3090	warn "unloading cf.pm \"a bit\"";	3970	trace "unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	3971	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	3972	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		3973
3094	# don't, removes xs symbols, too,	3974	# don't, removes xs symbols, too,
3095	# and global variables created in xs	3975	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	3976	#clear_package __PACKAGE__;
3097		3977
3098	warn "unload completed, starting to reload now";	3978	info "unload completed, starting to reload now";
3099		3979
3100	warn "reloading cf.pm";	3980	trace "reloading cf.pm";
3101	require cf;	3981	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3982	cf::_connect_to_perl_1;
3103		3983
3104	warn "loading config and database again";	3984	trace "loading config and database again";
3105	cf::cfg_load;	3985	cf::reload_config;
3106		3986
3107	warn "loading extensions";	3987	trace "loading extensions";
3108	cf::load_extensions;	3988	cf::load_extensions;
3109		3989
		3990	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	3991	trace "reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	3992	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	3993	trace "reattaching attachments to maps";
3113	reattach $_ for values %MAP;	3994	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	3995	trace "reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	3996	reattach $_ for values %PLAYER;
		3997	}
3116		3998
		3999	trace "running post_init jobs";
		4000	(pop @POST_INIT)->(1) while @POST_INIT;
		4001
3117	warn "leaving sync_job";	4002	trace "leaving sync_job";
3118		4003
3119	1	4004	1
3120	} or do {	4005	} or do {
3121	warn $@;	4006	error $@;
3122	warn "error while reloading, exiting.";	4007	cf::cleanup "error while reloading, exiting.";
3123	exit 1;	4008	};
		4009
		4010	info "reloaded";
		4011	--$RELOAD;
3124	};	4012	}
3125		4013
3126	warn "reloaded";	4014	$t1 = AE::time - $t1;
		4015	info "reload completed in ${t1}s\n";
3127	};	4016	};
3128		4017
3129	our $RELOAD_WATCHER; # used only during reload	4018	our $RELOAD_WATCHER; # used only during reload
3130		4019
3131	sub reload_perl() {	4020	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4021	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4022	# coro crashes during coro_state_free->destroy here.
3134		4023
3135	$RELOAD_WATCHER ||= Event->timer (	4024	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4025	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4026
3138	data => WF_AUTOCANCEL,	4027	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4028	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4029	undef $RELOAD_WATCHER;
3142	},	4030	};
3143	);	4031	};
3144	}	4032	}
3145		4033
3146	register_command "reload" => sub {	4034	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4035	my ($who, $arg) = @_;
3148		4036
3149	if ($who->flag (FLAG_WIZ)) {	4037	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4038	$who->message ("reloading server.");
		4039	async {
		4040	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4041	reload_perl;
		4042	};
3152	}	4043	}
3153	};	4044	};
3154		4045
3155	unshift @INC, $LIBDIR;	4046	#############################################################################
3156		4047
3157	my $bug_warning = 0;	4048	my $bug_warning = 0;
3158		4049
3159	our @WAIT_FOR_TICK;	4050	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	4051	our @WAIT_FOR_TICK_BEGIN;
3161		4052
3162	sub wait_for_tick {	4053	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	4054	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3165		4055
3166	my $signal = new Coro::Signal;	4056	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	4057	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	4058	$signal->wait;
3169	}	4059	}
3170		4060
3171	sub wait_for_tick_begin {	4061	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	4062	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3174		4063
3175	my $signal = new Coro::Signal;	4064	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4065	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4066	$signal->wait;
3178	}	4067	}
3179		4068
3180	my $min = 1e6;#d#	4069	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4070	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4071	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4072	unless ++$bug_warning > 10;
3192	return;	4073	return;
3193	}	4074	}
3194		4075
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	4076	cf::server_tick; # one server iteration
3198		4077
3199	0 && sync_job {#d#	4078	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3200	for(1..10) {
3201	my $t = Event::time;
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3203	or die;
3204		4079
3205	$map->width (50);	4080	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3206	$map->height (50);	4081	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3207	$map->alloc;	4082	Coro::async_pool {
3208	$map->_load_objects ("/tmp/x.map", 1);	4083	$Coro::current->{desc} = "runtime saver";
3209	my $t = Event::time - $t;	4084	write_runtime_sync
3210		4085	or error "ERROR: unable to write runtime file: $!";
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4086	};
		4087	}
3221		4088
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4089	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4090	$sig->send;
3238	}	4091	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4092	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	4093	$sig->send;
3241	}	4094	}
3242		4095
3243	$NOW = Event::time;	4096	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4097	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4098
3254	_post_tick;	4099	if (0) {
3255		4100	if ($NEXT_TICK) {
3256		4101	my $jitter = $TICK_START - $NEXT_TICK;
		4102	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4103	debug "jitter $JITTER\n";#d#
		4104	}
3257	},	4105	}
3258	);	4106	}
3259		4107
3260	{	4108	{
3261	BDB::max_poll_time $TICK * 0.1;	4109	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4110
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4111	BDB::min_parallel 16;
3271		4112	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4113	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4114
3287	unless ($DB_ENV) {	4115	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4116	$DB_ENV = BDB::db_env_create;
		4117	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4118	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4119	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4120	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4121	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4122
3290	cf::sync_job {	4123	cf::sync_job {
3291	eval {	4124	eval {
3292	BDB::db_env_open	4125	BDB::db_env_open
3293	$DB_ENV,	4126	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4128	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4129	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4130	0666;
3298		4131
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4132	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4133	};
3304		4134
3305	cf::cleanup "db_env_open(db): $@" if $@;	4135	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4136	};
3307	}	4137	}
		4138
		4139	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4140	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4141	};
		4142	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4143	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4144	};
		4145	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4146	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4147	};
3308	}	4148	}
3309		4149
3310	{	4150	{
		4151	# configure IO::AIO
		4152
3311	IO::AIO::min_parallel 8;	4153	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4154	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4155	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4156	}
3324		4157
3325	my $_log_backtrace;	4158	my $_log_backtrace;
3326		4159
3327	sub _log_backtrace {	4160	sub _log_backtrace {
…		…
3330	$msg =~ s/\n//;	4163	$msg =~ s/\n//;
3331		4164
3332	# limit the # of concurrent backtraces	4165	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4166	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	4167	++$_log_backtrace;
		4168	my $perl_bt = Carp::longmess $msg;
3335	async {	4169	async {
		4170	$Coro::current->{desc} = "abt $msg";
		4171
3336	my @bt = fork_call {	4172	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4173	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4174	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4175	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4176	or die "addr2line: $!";
…		…
3348	}	4184	}
3349		4185
3350	@funcs	4186	@funcs
3351	};	4187	};
3352		4188
3353	LOG llevInfo, "[ABT] $msg\n";	4189	LOG llevInfo, "[ABT] $perl_bt\n";
		4190	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4191	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4192	--$_log_backtrace;
3356	};	4193	};
3357	} else {	4194	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4195	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4196	LOG llevInfo, "[ABT] [suppressed]\n";
3360	}	4197	}
3361	}	4198	}
3362		4199
3363	# load additional modules	4200	# load additional modules
3364	use cf::pod;	4201	require "cf/$_.pm" for @EXTRA_MODULES;
		4202	cf::_connect_to_perl_2;
3365		4203
3366	END { cf::emergency_save }	4204	END { cf::emergency_save }
3367		4205
3368	1	4206	1
3369		4207

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