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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.309 by elmex, Mon Jul 16 15:27:06 2007 UTC vs.
Revision 1.544 by root, Thu May 6 21:58:07 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 incloader);
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
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
172	=back	253	=back
173		254
174	=cut	255	=cut
175		256
176	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	264	my $msg = join "", @_;
179		265
180	$msg .= "\n"	266	$msg .= "\n"
181	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
182		268
183	$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;
184		270
185	utf8::encode $msg;
186	LOG llevError, $msg;	271	LOG llevWarn, $msg;
187	};	272	};
188	}	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	};
189		287
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	298	for my $pkg (qw(
201	cf::global cf::attachable	299	cf::global cf::attachable
202	cf::object cf::object::player	300	cf::object cf::object::player
203	cf::client cf::player	301	cf::client cf::player
204	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
205	cf::map cf::party cf::region	304	cf::party cf::region
206	)) {	305	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	307	}
210		308
211	$Event::DIED = sub {	309	$EV::DIED = sub {
212	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
213	};	311	};
214		312
215	#############################################################################	313	#############################################################################
216		314
217	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
…		…
239	$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;
240	$d	338	$d
241	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
242	}	340	}
243		341
244	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
245		343
246	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
247		345
248	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
249		347
250	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
251		349
252	=cut	350	=cut
253		351
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		353
256	sub to_json ($) { $json_coder->encode ($_[0]) }	354	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		370
259	=item cf::lock_wait $string	371	=item cf::lock_wait $string
260		372
261	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
262		374
263	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
264		376
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
268	returned.	380	returned.
269		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
270	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
271	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
272		387
273	=item $locked = cf::lock_active $string	388	=item $locked = cf::lock_active $string
274		389
275	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.
276		391
277	=cut	392	=cut
278		393
279	our %LOCK;	394	our $LOCKS = new Coro::SemaphoreSet;
280		395
281	sub lock_wait($) {	396	sub lock_wait($) {
282	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	398	}
290		399
291	sub lock_acquire($) {	400	sub lock_acquire($) {
292	my ($key) = @_;	401	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	402	}
304		403
305	sub lock_active($) {	404	sub lock_active($) {
306	my ($key) = @_;	405	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	406	}
310		407
311	sub freeze_mainloop {	408	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
313		410
314	my $guard = Coro::guard {	411	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
316	};	478	}
317	$TICK_WATCHER->stop;	479	};
318	$guard	480
		481	sub get_slot($;$$) {
		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	$sig->wait;
319	}	494	}
320		495
321	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
322		497
323	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		503
329	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
330		505
331	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
332		507
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	508	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	509	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	511	acceptable.
337		512
338	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	518	=cut
344		519
345	sub sync_job(&) {	520	sub sync_job(&) {
346	my ($job) = @_;	521	my ($job) = @_;
347		522
348	if ($Coro::current == $Coro::main) {	523	if (in_main) {
349	my $time = Event::time;	524	my $time = AE::time;
350		525
351	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
353		528
354	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	530
356	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
357		532
358	my $busy = 1;	533	my $busy = 1;
359	my @res;	534	my @res;
360		535
361	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	538	@res = eval { $job->() };
363	warn $@ if $@;	539	error $@ if $@;
364	undef $busy;	540	undef $busy;
365	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
366		542
367	while ($busy) {	543	while ($busy) {
368	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
369	}	548	}
		549	}
370		550
371	$time = Event::time - $time;	551	my $time = AE::time - $time;
372		552
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	553	$TICK_START += $time; # do not account sync jobs to server load
377		554
378	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
379	} else {	556	} else {
380	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
381		558
…		…
406	=item fork_call { }, $args	583	=item fork_call { }, $args
407		584
408	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
409	process, returning the results. Everything must be serialisable with	586	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	588	never block itself or use any form of event handling.
412		589
413	=cut	590	=cut
414
415	sub _store_scalar {
416	open my $fh, ">", \my $buf
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}
423		591
424	sub fork_call(&@) {	592	sub fork_call(&@) {
425	my ($cb, @args) = @_;	593	my ($cb, @args) = @_;
426		594
427	# 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,
428	# or die "socketpair: $!";	596	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	597	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		598
432	if (my $pid = fork) {	599	my @res = Coro::Util::fork_eval {
433	close $fh2;
434
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436	warn "pst<$res>" unless $res =~ /^pst/;
437	$res = Coro::Storable::thaw $res;
438
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;	600	reset_signals;
446	local $SIG{__WARN__};	601	&$cb
447	local $SIG{__DIE__};	602	}, @args;
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453		603
454	eval {	604	wantarray ? @res : $res[-1]
455	close $fh1;	605	}
456		606
457	my @res = eval { $cb->(@args) };	607	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	643	}
467		644
468	=item $value = cf::db_get $family => $key	645	=item $value = cf::db_get $family => $key
469		646
470	Returns a single value from the environment database.	647	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	649	=item cf::db_put $family => $key => $value
473		650
474	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
475	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).
476		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
477	=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	}
478		680
479	our $DB;	681	our $DB;
480		682
481	sub db_init {	683	sub db_init {
482	unless ($DB) {	684	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	685	}
497		686
498	sub db_get($$) {	687	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	688	my $key = "$_[0]/$_[1]";
500		689
501	cf::sync_job {	690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
502	BDB::db_get $DB, undef, $key, my $data;	693	BDB::db_get $DB, undef, $key, my $data;
503		694
504	$! ? ()	695	$! ? ()
505	: $data	696	: $data
506	}
507	}	697	}
508		698
509	sub db_put($$$) {	699	sub db_put($$$) {
510	BDB::dbreq_pri 4;	700	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	740	if (1) {
551	$md5 =	741	$md5 =
552	join "\x00",	742	join "\x00",
553	$processversion,	743	$processversion,
554	map {	744	map {
555	Coro::cede;	745	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	746	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	747	} 0.. $#$src;
558		748
559		749
560	my $dbmd5 = db_get cache => "$id/md5";	750	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		757
568	my $t1 = Time::HiRes::time;	758	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	759	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	760	my $t2 = Time::HiRes::time;
571		761
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		763
574	db_put cache => "$id/data", $data;	764	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	765	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	766	db_put cache => "$id/meta", $meta;
577		767
…		…
587		777
588	=cut	778	=cut
589		779
590	sub datalog($@) {	780	sub datalog($@) {
591	my ($type, %kv) = @_;	781	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	783	}
594		784
595	=back	785	=back
596		786
597	=cut	787	=cut
598		788
599	#############################################################################	789	#############################################################################
600		790
601	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
602		792
603	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
604	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")
605	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
606		796
607	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>
608	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
609	Crossfire TRT).	799	Deliantra).
610		800
611	=over 4	801	=over 4
612		802
613	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
614		804
…		…
658	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
659		849
660	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
661	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
662		852
663	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		855
666	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
667		857
668	=over 4	858	=over 4
…		…
792		982
793	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		985
796	} elsif (ref $type) {	986	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
798		988
799	} else {	989	} else {
800	shift @arg;	990	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
802	}	992	}
803	}	993	}
804	}	994	}
805		995
806	sub _object_attach {	996	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
817	}	1007	}
818		1008
819	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
820	} else {	1010	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1012	}
823		1013
824	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
825	}	1015	}
826		1016
…		…
866	";	1056	";
867	die if $@;	1057	die if $@;
868	}	1058	}
869		1059
870	our $override;	1060	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1062
873	sub override {	1063	sub override {
874	$override = 1;	1064	$override = 1;
875	@invoke_results = (@_);	1065	@INVOKE_RESULTS = (@_);
876	}	1066	}
877		1067
878	sub do_invoke {	1068	sub do_invoke {
879	my $event = shift;	1069	my $event = shift;
880	my $callbacks = shift;	1070	my $callbacks = shift;
881		1071
882	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
883		1073
884	local $override;	1074	local $override;
885		1075
886	for (@$callbacks) {	1076	for (@$callbacks) {
887	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
888		1078
889	if ($@) {	1079	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1081	override;
893	}	1082	}
894		1083
895	return 1 if $override;	1084	return 1 if $override;
896	}	1085	}
897		1086
898	0	1087	0
899	}	1088	}
900		1089
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1091
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1093
905	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
906		1095
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1099
911	=back	1100	=back
912		1101
913	=cut	1102	=cut
914		1103
915	#############################################################################	1104	#############################################################################
916	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
917		1148
918	sub reattach {	1149	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1151	my ($obj) = @_;
921		1152
		1153	# no longer needed after getting rid of delete_package?
922	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
923		1155
924	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
925		1157
926	@$registry = ();	1158	@$registry = ();
927		1159
…		…
932	for (@$attach) {	1164	for (@$attach) {
933	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
935	}	1167	}
936	} else {	1168	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1170	}
939	}	1171	}
940	}	1172	}
941		1173
942	cf::attachable->attach (	1174	cf::attachable->attach (
943	prio => -1000000,	1175	prio => -1000000,
944	on_instantiate => sub {	1176	on_instantiate => sub {
945	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
946		1178
947	$data = from_json $data;	1179	$data = decode_json $data;
948		1180
949	for (@$data) {	1181	for (@$data) {
950	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
951		1183
952	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1200	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
970		1202
971	sync_job {	1203	sync_job {
972	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
975		1209
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1217	aio_close $fh;
981		1218
982	if (@$objs) {	1219	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1228	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
990	}	1230	}
991	} else {	1231	} else {
992	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
993	}	1233	}
994		1234
995	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1239	} else {
997	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
998	}	1241	}
999	} else {	1242	} else {
1000	aio_unlink $filename;	1243	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
1002	}	1245	}
1003	}	1246	};
1004	}	1247	}
1005		1248
1006	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
1008		1251
…		…
1020	or return;	1263	or return;
1021		1264
1022	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1267	or return;
		1268
1025	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
1026	}	1271	}
1027		1272
		1273	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
1030	return ($data, $av);	1278	($data, $av)
1031	}	1279	}
1032		1280
1033	=head2 COMMAND CALLBACKS	1281	=head2 COMMAND CALLBACKS
1034		1282
1035	=over 4	1283	=over 4
…		…
1089	my ($name, $cb) = @_;	1337	my ($name, $cb) = @_;
1090		1338
1091	$EXTICMD{$name} = $cb;	1339	$EXTICMD{$name} = $cb;
1092	}	1340	}
1093		1341
		1342	use File::Glob ();
		1343
1094	cf::player->attach (	1344	cf::player->attach (
1095	on_command => sub {	1345	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
1097		1347
1098	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
1099	or return;	1349	or return;
1100		1350
…		…
1108	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
1109		1359
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1361
1112	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
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
1118	} else {	1377	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1379	}
1121		1380
1122	cf::override;	1381	cf::override;
1123	},	1382	},
1124	);	1383	);
1125		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
1126	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
1127	cf::sync_job {	1401	cf::sync_job {
1128	my %todo;	1402	my %todo;
1129		1403
1130	for my $path (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1405	next unless -r $path;
…		…
1149		1423
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1426
1153	$ext{source} =	1427	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1428	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1429	. "#line 1 \"$path\"\n{\n"
1156	. $source	1430	. $source
1157	. "\n};\n1";	1431	. "\n};\n1";
1158		1432
1159	$todo{$base} = \%ext;	1433	$todo{$base} = \%ext;
1160	}	1434	}
1161		1435
		1436	my $pass = 0;
1162	my %done;	1437	my %done;
1163	while (%todo) {	1438	while (%todo) {
1164	my $progress;	1439	my $progress;
1165		1440
		1441	++$pass;
		1442
		1443	ext:
1166	while (my ($k, $v) = each %todo) {	1444	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1445	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1446	next ext
1169	unless exists $done{$_};	1447	unless exists $done{$_};
1170	}	1448	}
1171		1449
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1451
1174	unless (eval $v->{source}) {	1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1455	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1458	if exists $v->{meta}{mandatory};
1179	warn $msg;	1459
1180	warn "mandatory extension failed to load, exiting.\n";	1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1461	delete $todo{$k};
1182	}	1462	} else {
1183		1463	$done{$k} = delete $todo{$k};
1184	warn $msg;	1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
1185	}	1469	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1470	}
1191		1471
1192	skip:	1472	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1480	}
1196	};	1481	};
1197	}	1482	}
1198		1483
1199	#############################################################################	1484	#############################################################################
1200		1485
1201	=back	1486	=back
1202		1487
1203	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
1204		1489
1205	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
1206		1491
1207	=cut	1492	=cut
1208		1493
1209	package cf::player;	1494	package cf::player;
1210		1495
1211	use Coro::AIO;	1496	use Coro::AIO;
1212		1497
1213	=head3 cf::player	1498	=head3 cf::player
1214		1499
1215	=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	}
1216		1515
1217	=item cf::player::find $login	1516	=item cf::player::find $login
1218		1517
1219	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
1220		1519
…		…
1239		1538
1240	sub exists($) {	1539	sub exists($) {
1241	my ($login) = @_;	1540	my ($login) = @_;
1242		1541
1243	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1543	or !aio_stat path $login
1245	}	1544	}
1246		1545
1247	sub find($) {	1546	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1548	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1558	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1559
1261	my $pl = load_pl path $login	1560	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
1264	}	1569	}
1265	}	1570	}
1266	}	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	);
1267		1585
1268	sub save($) {	1586	sub save($) {
1269	my ($pl) = @_;	1587	my ($pl) = @_;
1270		1588
1271	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
1277		1595
1278	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
1282	Coro::cede;	1605	cf::cede_to_tick;
1283	}	1606	}
1284		1607
1285	sub new($) {	1608	sub new($) {
1286	my ($login) = @_;	1609	my ($login) = @_;
1287		1610
…		…
1293	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1294		1617
1295	$self	1618	$self
1296	}	1619	}
1297		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
1298	=item $pl->quit_character	1631	=item $pl->quit_character
1299		1632
1300	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
1301	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1302		1635
…		…
1306	my ($pl) = @_;	1639	my ($pl) = @_;
1307		1640
1308	my $name = $pl->ob->name;	1641	my $name = $pl->ob->name;
1309		1642
1310	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1311	$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
1312		1645
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1317		1651
1318	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1689	or return [];
1356		1690
1357	my @logins;	1691	my @logins;
1358		1692
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1363		1703
1364	utf8::decode $login;	1704	utf8::decode $login;
1365	push @logins, $login;	1705	push @logins, $login;
1366	}	1706	}
1367		1707
1368	\@logins	1708	\@logins
1369	}	1709	}
1370		1710
1371	=item $player->maps	1711	=item $player->maps
		1712
		1713	=item cf::player::maps $login
1372		1714
1373	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1374	player. May block.	1716	player. May block.
1375		1717
1376	=cut	1718	=cut
…		…
1394	}	1736	}
1395		1737
1396	\@paths	1738	\@paths
1397	}	1739	}
1398		1740
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1742
1401	Expand crossfire pod fragments into protocol xml.	1743	Expand deliantra pod fragments into protocol xml.
1402		1744
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1450		1746
1451	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1452		1748
1453	=cut	1749	=cut
1454		1750
1455	sub ext_reply($$%) {	1751	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1457		1753
1458	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1755	}
1461		1756
1462	=item $player->ext_event ($type, %msg)	1757	=item $player->ext_msg ($type, @msg)
1463		1758
1464	Sends an ext event to the client.	1759	Sends an ext event to the client.
1465		1760
1466	=cut	1761	=cut
1467		1762
1468	sub ext_event($$%) {	1763	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1764	my ($self, $type, @msg) = @_;
1470		1765
1471	$self->ns->ext_event ($type, %msg);	1766	$self->ns->ext_msg ($type, @msg);
1472	}	1767	}
1473		1768
1474	=head3 cf::region	1769	=head3 cf::region
1475		1770
1476	=over 4	1771	=over 4
…		…
1485		1780
1486	=cut	1781	=cut
1487		1782
1488	sub find_by_path($) {	1783	sub find_by_path($) {
1489	my ($path) = @_;	1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
1490		1787
1491	my ($match, $specificity);	1788	my ($match, $specificity);
1492		1789
1493	for my $region (list) {	1790	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1791	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1522		1819
1523	sub generate_random_map {	1820	sub generate_random_map {
1524	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
1525	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1826	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1548		1848
1549	sub register {	1849	sub register {
1550	my (undef, $regex, $prio) = @_;	1850	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1851	my $pkg = caller;
1552		1852
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1853	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1854
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1855	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1856	}
1558		1857
1559	# also paths starting with '/'	1858	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1859	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1860
1562	sub thawer_merge {	1861	sub thawer_merge {
1563	my ($self, $merge) = @_;	1862	my ($self, $merge) = @_;
1564		1863
1565	# we have to keep some variables in memory intact	1864	# we have to keep some variables in memory intact
…		…
1570	}	1869	}
1571		1870
1572	sub normalise {	1871	sub normalise {
1573	my ($path, $base) = @_;	1872	my ($path, $base) = @_;
1574		1873
1575	$path = "$path"; # make sure its a string	1874	$path = "$path"; # make sure it's a string
1576		1875
1577	$path =~ s/\.map$//;	1876	$path =~ s/\.map$//;
1578		1877
1579	# map plan:	1878	# map plan:
1580	#	1879	#
…		…
1619	$self->init; # pass $1 etc.	1918	$self->init; # pass $1 etc.
1620	return $self;	1919	return $self;
1621	}	1920	}
1622	}	1921	}
1623		1922
1624	Carp::cluck "unable to resolve path '$path' (base '$base').";	1923	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	1924	()
1626	}	1925	}
1627		1926
1628	sub init {	1927	sub init {
1629	my ($self) = @_;	1928	my ($self) = @_;
…		…
1651		1950
1652	# the temporary/swap location	1951	# the temporary/swap location
1653	sub save_path {	1952	sub save_path {
1654	my ($self) = @_;	1953	my ($self) = @_;
1655		1954
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1955	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1956	"$TMPDIR/$path.map"
1658	}	1957	}
1659		1958
1660	# the unique path, undef == no special unique path	1959	# the unique path, undef == no special unique path
1661	sub uniq_path {	1960	sub uniq_path {
1662	my ($self) = @_;	1961	my ($self) = @_;
1663		1962
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1963	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1964	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	1965	}
1676		1966
1677	sub decay_objects {	1967	sub decay_objects {
1678	my ($self) = @_;	1968	my ($self) = @_;
1679		1969
…		…
1692		1982
1693	sub load_header_from($) {	1983	sub load_header_from($) {
1694	my ($self, $path) = @_;	1984	my ($self, $path) = @_;
1695		1985
1696	utf8::encode $path;	1986	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1987	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	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;
1702		1995
1703	$self->{load_path} = $path;	1996	$self->{load_path} = $path;
1704		1997
1705	1	1998	1
1706	}	1999	}
…		…
1758		2051
1759	sub find;	2052	sub find;
1760	sub find {	2053	sub find {
1761	my ($path, $origin) = @_;	2054	my ($path, $origin) = @_;
1762		2055
		2056	cf::cede_to_tick;
		2057
1763	$path = normalise $path, $origin && $origin->path;	2058	$path = normalise $path, $origin && $origin->path;
1764		2059
		2060	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2061	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2062
1767	$cf::MAP{$path} || do {	2063	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2064	my $map = new_from_path cf::map $path
1770	or return;	2065	or return;
1771		2066
1772	$map->{last_save} = $cf::RUNTIME;	2067	$map->{last_save} = $cf::RUNTIME;
1773		2068
…		…
1775	or return;	2070	or return;
1776		2071
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2072	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2073	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2074	#$cf::WAIT_FOR_TICK->wait;
		2075	undef $guard2;
		2076	undef $guard1;
1780	$map->reset;	2077	$map->reset;
1781	undef $guard;
1782	return find $path;	2078	return find $path;
1783	}	2079	}
1784		2080
1785	$cf::MAP{$path} = $map	2081	$cf::MAP{$path} = $map
1786	}	2082	}
1787	}	2083	}
1788		2084
1789	sub pre_load { }	2085	sub pre_load { }
1790	sub post_load { }	2086	#sub post_load { } # XS
1791		2087
1792	sub load {	2088	sub load {
1793	my ($self) = @_;	2089	my ($self) = @_;
1794		2090
1795	local $self->{deny_reset} = 1; # loading can take a long time	2091	local $self->{deny_reset} = 1; # loading can take a long time
1796		2092
1797	my $path = $self->{path};	2093	my $path = $self->{path};
1798		2094
1799	{	2095	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2096	my $guard = cf::lock_acquire "map_data:$path";
1801		2097
		2098	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2099	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2100
1804	$self->in_memory (cf::MAP_LOADING);	2101	$self->in_memory (cf::MAP_LOADING);
1805		2102
1806	$self->alloc;	2103	$self->alloc;
1807		2104
1808	$self->pre_load;	2105	$self->pre_load;
1809	Coro::cede;	2106	cf::cede_to_tick;
1810		2107
		2108	my $f = new_from_file cf::object::thawer $self->{load_path};
		2109	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2110	$self->_load_objects ($f)
1812	or return;	2111	or return;
1813		2112
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2113	$self->post_load_original
1815	if delete $self->{load_original};	2114	if delete $self->{load_original};
1816		2115
1817	if (my $uniq = $self->uniq_path) {	2116	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2117	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2118	unless (aio_stat $uniq) {
		2119	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2120	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2121	$self->_load_objects ($f);
		2122	$f->resolve_delayed_derefs;
		2123	}
1822	}	2124	}
1823	}	2125	}
1824		2126
1825	Coro::cede;	2127	$f->resolve_delayed_derefs;
		2128
		2129	cf::cede_to_tick;
1826	# now do the right thing for maps	2130	# now do the right thing for maps
1827	$self->link_multipart_objects;	2131	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2132	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2133	unless $self->difficulty;
1830	Coro::cede;	2134	cf::cede_to_tick;
1831		2135
1832	unless ($self->{deny_activate}) {	2136	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2137	$self->decay_objects;
1834	$self->fix_auto_apply;	2138	$self->fix_auto_apply;
1835	$self->update_buttons;	2139	$self->update_buttons;
1836	Coro::cede;	2140	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2141	$self->activate;
1840	}	2142	}
1841		2143
		2144	$self->{last_save} = $cf::RUNTIME;
		2145	$self->last_access ($cf::RUNTIME);
		2146
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2147	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2148	}
1844		2149
1845	$self->post_load;	2150	$self->post_load;
1846	}	2151	}
1847		2152
		2153	# customize the map for a given player, i.e.
		2154	# return the _real_ map. used by e.g. per-player
		2155	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2156	sub customise_for {
1849	my ($self, $ob) = @_;	2157	my ($self, $ob) = @_;
1850		2158
1851	return find "~" . $ob->name . "/" . $self->{path}	2159	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2160	if $self->per_player;
…		…
1856		2164
1857	$self	2165	$self
1858	}	2166	}
1859		2167
1860	# find and load all maps in the 3x3 area around a map	2168	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2169	sub load_neighbours {
1862	my ($map) = @_;	2170	my ($map) = @_;
1863		2171
1864	my @diag; # diagonal neighbours	2172	my @neigh; # diagonal neighbours
1865		2173
1866	for (0 .. 3) {	2174	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2175	my $neigh = $map->tile_path ($_)
1868	or next;	2176	or next;
1869	$neigh = find $neigh, $map	2177	$neigh = find $neigh, $map
1870	or next;	2178	or next;
1871	$neigh->load;	2179	$neigh->load;
1872		2180
		2181	# now find the diagonal neighbours
		2182	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2183	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2184	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2185	}
1876		2186
1877	for (@diag) {	2187	for (grep defined $_->[0], @neigh) {
		2188	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2189	my $neigh = find $path, $origin
1879	or next;	2190	or next;
1880	$neigh->load;	2191	$neigh->load;
1881	}	2192	}
1882	}	2193	}
1883		2194
1884	sub find_sync {	2195	sub find_sync {
1885	my ($path, $origin) = @_;	2196	my ($path, $origin) = @_;
1886		2197
1887	cf::sync_job { find $path, $origin }	2198	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2199	if $Coro::current == $Coro::main;
		2200
		2201	find $path, $origin
1888	}	2202	}
1889		2203
1890	sub do_load_sync {	2204	sub do_load_sync {
1891	my ($map) = @_;	2205	my ($map) = @_;
1892		2206
1893	cf::sync_job { $map->load };	2207	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2208	if $Coro::current == $Coro::main;
		2209
		2210	$map->load;
1894	}	2211	}
1895		2212
1896	our %MAP_PREFETCH;	2213	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2214	our $MAP_PREFETCHER = undef;
1898		2215
1899	sub find_async {	2216	sub find_async {
1900	my ($path, $origin) = @_;	2217	my ($path, $origin, $load) = @_;
1901		2218
1902	$path = normalise $path, $origin && $origin->{path};	2219	$path = normalise $path, $origin && $origin->{path};
1903		2220
1904	if (my $map = $cf::MAP{$path}) {	2221	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2222	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2223	}
1907		2224
1908	undef $MAP_PREFETCH{$path};	2225	$MAP_PREFETCH{$path} |= $load;
		2226
1909	$MAP_PREFETCHER ||= cf::async {	2227	$MAP_PREFETCHER ||= cf::async {
		2228	$Coro::current->{desc} = "map prefetcher";
		2229
1910	while (%MAP_PREFETCH) {	2230	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2231	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2232	if (my $map = find $k) {
1913	$map->load;	2233	$map->load if $v;
1914	}	2234	}
1915		2235
1916	delete $MAP_PREFETCH{$path};	2236	delete $MAP_PREFETCH{$k};
1917	}	2237	}
1918	}	2238	}
1919	undef $MAP_PREFETCHER;	2239	undef $MAP_PREFETCHER;
1920	};	2240	};
1921	$MAP_PREFETCHER->prio (6);	2241	$MAP_PREFETCHER->prio (6);
1922		2242
1923	()	2243	()
1924	}	2244	}
1925		2245
		2246	# common code, used by both ->save and ->swapout
1926	sub save {	2247	sub _save {
1927	my ($self) = @_;	2248	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2249
1931	$self->{last_save} = $cf::RUNTIME;	2250	$self->{last_save} = $cf::RUNTIME;
1932		2251
1933	return unless $self->dirty;	2252	return unless $self->dirty;
1934		2253
…		…
1940	return if $self->{deny_save};	2259	return if $self->{deny_save};
1941		2260
1942	local $self->{last_access} = $self->last_access;#d#	2261	local $self->{last_access} = $self->last_access;#d#
1943		2262
1944	cf::async {	2263	cf::async {
		2264	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2265	$_->contr->save for $self->players;
1946	};	2266	};
		2267
		2268	cf::get_slot 0.02;
1947		2269
1948	if ($uniq) {	2270	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2272	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2273	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2274	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2275	}
1954	}	2276	}
1955		2277
		2278	sub save {
		2279	my ($self) = @_;
		2280
		2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2282
		2283	$self->_save;
		2284	}
		2285
1956	sub swap_out {	2286	sub swap_out {
1957	my ($self) = @_;	2287	my ($self) = @_;
1958		2288
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2290
		2291	return if $self->in_memory != cf::MAP_ACTIVE;
		2292	return if $self->{deny_save};
1964	return if $self->players;	2293	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2294
		2295	# first deactivate the map and "unlink" it from the core
		2296	$self->deactivate;
		2297	$_->clear_links_to ($self) for values %cf::MAP;
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# then atomically save
		2301	$self->_save;
		2302
		2303	# then free the map
1968	$self->clear;	2304	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2305	}
1971		2306
1972	sub reset_at {	2307	sub reset_at {
1973	my ($self) = @_;	2308	my ($self) = @_;
1974		2309
…		…
1992		2327
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2328	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2329
1995	return if $self->players;	2330	return if $self->players;
1996		2331
1997	warn "resetting map ", $self->path;	2332	cf::trace "resetting map ", $self->path, "\n";
1998		2333
1999	$self->in_memory (cf::MAP_SWAPPED);	2334	$self->in_memory (cf::MAP_SWAPPED);
2000		2335
2001	# need to save uniques path	2336	# need to save uniques path
2002	unless ($self->{deny_save}) {	2337	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2341	if $uniq;
2007	}	2342	}
2008		2343
2009	delete $cf::MAP{$self->path};	2344	delete $cf::MAP{$self->path};
2010		2345
		2346	$self->deactivate;
		2347	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2348	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2349
2015	$self->unlink_save;	2350	$self->unlink_save;
2016	$self->destroy;	2351	$self->destroy;
2017	}	2352	}
2018		2353
2019	my $nuke_counter = "aaaa";	2354	my $nuke_counter = "aaaa";
2020		2355
2021	sub nuke {	2356	sub nuke {
2022	my ($self) = @_;	2357	my ($self) = @_;
2023		2358
		2359	{
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
2024	delete $cf::MAP{$self->path};	2362	delete $cf::MAP{$self->path};
2025		2363
2026	$self->unlink_save;	2364	$self->unlink_save;
2027		2365
2028	bless $self, "cf::map";	2366	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2367	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2368	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2369	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2370	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2371
2034	$cf::MAP{$self->path} = $self;	2372	$cf::MAP{$self->path} = $self;
		2373	}
2035		2374
2036	$self->reset; # polite request, might not happen	2375	$self->reset; # polite request, might not happen
2037	}	2376	}
2038		2377
2039	=item $maps = cf::map::tmp_maps	2378	=item $maps = cf::map::tmp_maps
…		…
2081		2420
2082	sub unique_maps() {	2421	sub unique_maps() {
2083	[	2422	[
2084	map {	2423	map {
2085	utf8::decode $_;	2424	utf8::decode $_;
2086	/\.map$/	2425	s/\.map$//; # TODO future compatibility hack
		2426	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2427	? ()
2087	? normalise $_	2428	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2429	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2430	]
2091	}	2431	}
2092		2432
2093	package cf;	2433	=item cf::map::static_maps
		2434
		2435	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2436	file in the shared directory excluding F</styles> and F</editor>). May
		2437	block.
		2438
		2439	=cut
		2440
		2441	sub static_maps() {
		2442	my @dirs = "";
		2443	my @maps;
		2444
		2445	while (@dirs) {
		2446	my $dir = shift @dirs;
		2447
		2448	next if $dir eq "/styles" || $dir eq "/editor";
		2449
		2450	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2451	or return;
		2452
		2453	for (@$files) {
		2454	s/\.map$// or next;
		2455	utf8::decode $_;
		2456	push @maps, "$dir/$_";
		2457	}
		2458
		2459	push @dirs, map "$dir/$_", @$dirs;
		2460	}
		2461
		2462	\@maps
		2463	}
2094		2464
2095	=back	2465	=back
2096		2466
2097	=head3 cf::object	2467	=head3 cf::object
2098		2468
…		…
2102		2472
2103	=over 4	2473	=over 4
2104		2474
2105	=item $ob->inv_recursive	2475	=item $ob->inv_recursive
2106		2476
2107	Returns the inventory of the object _and_ their inventories, recursively.	2477	Returns the inventory of the object I<and> their inventories, recursively,
		2478	but I<not> the object itself.
2108		2479
2109	=cut	2480	=cut
2110		2481
2111	sub inv_recursive_;	2482	sub inv_recursive_;
2112	sub inv_recursive_ {	2483	sub inv_recursive_ {
…		…
2115		2486
2116	sub inv_recursive {	2487	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2488	inv_recursive_ inv $_[0]
2118	}	2489	}
2119		2490
		2491	=item $ref = $ob->ref
		2492
		2493	Creates and returns a persistent reference to an object that can be stored as a string.
		2494
		2495	=item $ob = cf::object::deref ($refstring)
		2496
		2497	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2498	even if the object actually exists. May block.
		2499
		2500	=cut
		2501
		2502	sub deref {
		2503	my ($ref) = @_;
		2504
		2505	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2506	my ($uuid, $name) = ($1, $2);
		2507	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2508	or return;
		2509	$pl->ob->uuid eq $uuid
		2510	or return;
		2511
		2512	$pl->ob
		2513	} else {
		2514	warn "$ref: cannot resolve object reference\n";
		2515	undef
		2516	}
		2517	}
		2518
2120	package cf;	2519	package cf;
2121		2520
2122	=back	2521	=back
2123		2522
2124	=head3 cf::object::player	2523	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2529	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2530	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2531	dialogue with the given NPC character.
2133		2532
2134	=cut	2533	=cut
		2534
		2535	our $SAY_CHANNEL = {
		2536	id => "say",
		2537	title => "Map",
		2538	reply => "say ",
		2539	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2540	};
		2541
		2542	our $CHAT_CHANNEL = {
		2543	id => "chat",
		2544	title => "Chat",
		2545	reply => "chat ",
		2546	tooltip => "Player chat and shouts, global to the server.",
		2547	};
2135		2548
2136	# rough implementation of a future "reply" method that works	2549	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2550	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2551	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2552	sub cf::object::player::reply($$$;$) {
…		…
2146		2559
2147	} else {	2560	} else {
2148	my $pl = $self->contr;	2561	my $pl = $self->contr;
2149		2562
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2563	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2564	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2565	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2566
2159	} else {	2567	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2568	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2569	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2570	}
2163	}	2571	}
		2572	}
		2573
		2574	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2575
		2576	=cut
		2577
		2578	sub cf::object::send_msg {
		2579	my $pl = shift->contr
		2580	or return;
		2581	$pl->send_msg (@_);
2164	}	2582	}
2165		2583
2166	=item $player_object->may ("access")	2584	=item $player_object->may ("access")
2167		2585
2168	Returns wether the given player is authorized to access resource "access"	2586	Returns wether the given player is authorized to access resource "access"
…		…
2181		2599
2182	=item $player_object->enter_link	2600	=item $player_object->enter_link
2183		2601
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2602	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2603
2186	The player should be reasonably safe there for short amounts of time. You	2604	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2605	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2606	though, as the player cannot control the character while it is on the link
		2607	map.
2188		2608
2189	Will never block.	2609	Will never block.
2190		2610
2191	=item $player_object->leave_link ($map, $x, $y)	2611	=item $player_object->leave_link ($map, $x, $y)
2192		2612
…		…
2212	sub cf::object::player::enter_link {	2632	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2633	my ($self) = @_;
2214		2634
2215	$self->deactivate_recursive;	2635	$self->deactivate_recursive;
2216		2636
		2637	++$self->{_link_recursion};
		2638
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2639	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2640
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2641	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2642	if $self->map && $self->map->{path} ne "{link}";
2221		2643
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2644	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2645	}
2224		2646
2225	sub cf::object::player::leave_link {	2647	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2648	my ($self, $map, $x, $y) = @_;
2227		2649
…		…
2244	($x, $y) = (-1, -1)	2666	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2667	unless (defined $x) && (defined $y);
2246		2668
2247	# use -1 or undef as default coordinates, not 0, 0	2669	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2670	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2671	if $x <= 0 && $y <= 0;
2250		2672
2251	$map->load;	2673	$map->load;
2252	$map->load_diag;	2674	$map->load_neighbours;
2253		2675
2254	return unless $self->contr->active;	2676	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2677
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2678	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2679	if ($self->enter_map ($map, $x, $y)) {
2259	}	2680	# entering was successful
		2681	delete $self->{_link_recursion};
		2682	# only activate afterwards, to support waiting in hooks
		2683	$self->activate_recursive;
		2684	}
2260		2685
		2686	}
		2687
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2688	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2689
2263	Moves the player to the given map-path and coordinates by first freezing	2690	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2691	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2692	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2693	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2694	be called at the end of this process.
2268		2695
		2696	Note that $check will be called with a potentially non-loaded map, so if
		2697	it needs a loaded map it has to call C<< ->load >>.
		2698
2269	=cut	2699	=cut
2270		2700
2271	our $GOTOGEN;	2701	our $GOTOGEN;
2272		2702
2273	sub cf::object::player::goto {	2703	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2704	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2705
		2706	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2707	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2708	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2709	($path, $x, $y) = @$EMERGENCY_POSITION;
		2710	}
		2711
2276	# do generation counting so two concurrent goto's will be executed in-order	2712	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2713	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2714
2279	$self->enter_link;	2715	$self->enter_link;
2280		2716
2281	(async {	2717	(async {
		2718	$Coro::current->{desc} = "player::goto $path $x $y";
		2719
		2720	# *tag paths override both path and x|y
		2721	if ($path =~ /^\*(.*)$/) {
		2722	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2723	my $ob = $obs[rand @obs];
		2724
		2725	# see if we actually can go there
		2726	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2727	$ob = $obs[rand @obs];
		2728	} else {
		2729	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2730	}
		2731	# else put us there anyways for now #d#
		2732
		2733	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2734	} else {
		2735	($path, $x, $y) = (undef, undef, undef);
		2736	}
		2737	}
		2738
2282	my $map = eval {	2739	my $map = eval {
2283	my $map = cf::map::find $path;	2740	my $map = defined $path ? cf::map::find $path : undef;
2284		2741
2285	if ($map) {	2742	if ($map) {
2286	$map = $map->customise_for ($self);	2743	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2744	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2745	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2746	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2747	}
2291		2748
2292	$map	2749	$map
2293	};	2750	};
2294		2751
…		…
2300	if ($gen == $self->{_goto_generation}) {	2757	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2758	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2759	$self->leave_link ($map, $x, $y);
2303	}	2760	}
2304		2761
2305	$done->() if $done;	2762	$done->($self) if $done;
2306	})->prio (1);	2763	})->prio (1);
2307	}	2764	}
2308		2765
2309	=item $player_object->enter_exit ($exit_object)	2766	=item $player_object->enter_exit ($exit_object)
2310		2767
…		…
2330	}	2787	}
2331		2788
2332	sub prepare_random_map {	2789	sub prepare_random_map {
2333	my ($exit) = @_;	2790	my ($exit) = @_;
2334		2791
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2792	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2793	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2794	# that depends on the exit object
2340		2795
2341	my $rmp = parse_random_map_params $exit->msg;	2796	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2798	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2799	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2800	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2801	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2802	$rmp->{origin_y} = $exit->y;
		2803
		2804	$exit->map->touch;
2348	}	2805	}
2349		2806
2350	$rmp->{random_seed} ||= $exit->random_seed;	2807	$rmp->{random_seed} ||= $exit->random_seed;
2351		2808
2352	my $data = cf::to_json $rmp;	2809	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2810	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2811	my $meta = "$RANDOMDIR/$md5.meta";
2355		2812
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2813	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2814	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2815	undef $fh;
2359	aio_rename "$meta~", $meta;	2816	aio_rename "$meta~", $meta;
2360		2817
		2818	my $slaying = "?random/$md5";
		2819
		2820	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2821	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2822	$exit->msg (undef);
		2823	}
2363	}	2824	}
2364	}	2825	}
2365		2826
2366	sub cf::object::player::enter_exit {	2827	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2828	my ($self, $exit) = @_;
2368		2829
2369	return unless $self->type == cf::PLAYER;	2830	return unless $self->type == cf::PLAYER;
2370		2831
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2832	$self->enter_link;
2383		2833
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2834	(async {
2389	$self->deactivate_recursive; # just to be sure	2835	$Coro::current->{desc} = "enter_exit";
		2836
2390	unless (eval {	2837	unless (eval {
		2838	$self->deactivate_recursive; # just to be sure
		2839
		2840	# random map handling
		2841	{
		2842	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2843
		2844	prepare_random_map $exit
		2845	if $exit->slaying eq "/!";
		2846	}
		2847
		2848	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2849	my $x = $exit->stats->hp;
		2850	my $y = $exit->stats->sp;
		2851
2391	$self->goto ($slaying, $hp, $sp);	2852	$self->goto ($map, $x, $y);
2392		2853
		2854	# if exit is damned, update players death & WoR home-position
		2855	$self->contr->savebed ($map, $x, $y)
		2856	if $exit->flag (cf::FLAG_DAMNED);
		2857
2393	1;	2858	1
2394	}) {	2859	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	2860	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	2861	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	2862	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	2863	cf::NDI_UNIQUE | cf::NDI_RED);
2399		2864
2400	warn "ERROR in enter_exit: $@";	2865	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	2866	$self->leave_link;
2402	}	2867	}
2403	})->prio (1);	2868	})->prio (1);
2404	}	2869	}
2405		2870
…		…
2419		2884
2420	utf8::encode $text;	2885	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2886	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	2887	}
2423		2888
		2889	=item $client->send_big_packet ($pkt)
		2890
		2891	Like C<send_packet>, but tries to compress large packets, and fragments
		2892	them as required.
		2893
		2894	=cut
		2895
		2896	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2897
		2898	sub cf::client::send_big_packet {
		2899	my ($self, $pkt) = @_;
		2900
		2901	# try lzf for large packets
		2902	$pkt = "lzf " . Compress::LZF::compress $pkt
		2903	if 1024 <= length $pkt and $self->{can_lzf};
		2904
		2905	# split very large packets
		2906	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2907	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2908	$pkt = "frag";
		2909	}
		2910
		2911	$self->send_packet ($pkt);
		2912	}
		2913
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	2914	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		2915
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	2916	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	2917	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	2918	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	2919	the message unless the client supports the msg packet.
2430		2920
2431	=cut	2921	=cut
2432		2922
		2923	# non-persistent channels (usually the info channel)
		2924	our %CHANNEL = (
		2925	"c/motd" => {
		2926	id => "infobox",
		2927	title => "MOTD",
		2928	reply => undef,
		2929	tooltip => "The message of the day",
		2930	},
		2931	"c/identify" => {
		2932	id => "infobox",
		2933	title => "Identify",
		2934	reply => undef,
		2935	tooltip => "Items recently identified",
		2936	},
		2937	"c/examine" => {
		2938	id => "infobox",
		2939	title => "Examine",
		2940	reply => undef,
		2941	tooltip => "Signs and other items you examined",
		2942	},
		2943	"c/shopinfo" => {
		2944	id => "infobox",
		2945	title => "Shop Info",
		2946	reply => undef,
		2947	tooltip => "What your bargaining skill tells you about the shop",
		2948	},
		2949	"c/book" => {
		2950	id => "infobox",
		2951	title => "Book",
		2952	reply => undef,
		2953	tooltip => "The contents of a note or book",
		2954	},
		2955	"c/lookat" => {
		2956	id => "infobox",
		2957	title => "Look",
		2958	reply => undef,
		2959	tooltip => "What you saw there",
		2960	},
		2961	"c/who" => {
		2962	id => "infobox",
		2963	title => "Players",
		2964	reply => undef,
		2965	tooltip => "Shows players who are currently online",
		2966	},
		2967	"c/body" => {
		2968	id => "infobox",
		2969	title => "Body Parts",
		2970	reply => undef,
		2971	tooltip => "Shows which body parts you posess and are available",
		2972	},
		2973	"c/statistics" => {
		2974	id => "infobox",
		2975	title => "Statistics",
		2976	reply => undef,
		2977	tooltip => "Shows your primary statistics",
		2978	},
		2979	"c/skills" => {
		2980	id => "infobox",
		2981	title => "Skills",
		2982	reply => undef,
		2983	tooltip => "Shows your experience per skill and item power",
		2984	},
		2985	"c/shopitems" => {
		2986	id => "infobox",
		2987	title => "Shop Items",
		2988	reply => undef,
		2989	tooltip => "Shows the items currently for sale in this shop",
		2990	},
		2991	"c/resistances" => {
		2992	id => "infobox",
		2993	title => "Resistances",
		2994	reply => undef,
		2995	tooltip => "Shows your resistances",
		2996	},
		2997	"c/pets" => {
		2998	id => "infobox",
		2999	title => "Pets",
		3000	reply => undef,
		3001	tooltip => "Shows information abotu your pets/a specific pet",
		3002	},
		3003	"c/perceiveself" => {
		3004	id => "infobox",
		3005	title => "Perceive Self",
		3006	reply => undef,
		3007	tooltip => "You gained detailed knowledge about yourself",
		3008	},
		3009	"c/uptime" => {
		3010	id => "infobox",
		3011	title => "Uptime",
		3012	reply => undef,
		3013	tooltip => "How long the server has been running since last restart",
		3014	},
		3015	"c/mapinfo" => {
		3016	id => "infobox",
		3017	title => "Map Info",
		3018	reply => undef,
		3019	tooltip => "Information related to the maps",
		3020	},
		3021	"c/party" => {
		3022	id => "party",
		3023	title => "Party",
		3024	reply => "gsay ",
		3025	tooltip => "Messages and chat related to your party",
		3026	},
		3027	"c/death" => {
		3028	id => "death",
		3029	title => "Death",
		3030	reply => undef,
		3031	tooltip => "Reason for and more info about your most recent death",
		3032	},
		3033	"c/say" => $SAY_CHANNEL,
		3034	"c/chat" => $CHAT_CHANNEL,
		3035	);
		3036
2433	sub cf::client::send_msg {	3037	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3038	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3039
2436	$msg = $self->pl->expand_cfpod ($msg);	3040	$msg = $self->pl->expand_cfpod ($msg)
		3041	unless $color & cf::NDI_VERBATIM;
		3042
		3043	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3044
		3045	# check predefined channels, for the benefit of C
		3046	if ($CHANNEL{$channel}) {
		3047	$channel = $CHANNEL{$channel};
		3048
		3049	$self->ext_msg (channel_info => $channel);
		3050	$channel = $channel->{id};
		3051
		3052	} elsif (ref $channel) {
		3053	# send meta info to client, if not yet sent
		3054	unless (exists $self->{channel}{$channel->{id}}) {
		3055	$self->{channel}{$channel->{id}} = $channel;
		3056	$self->ext_msg (channel_info => $channel);
		3057	}
		3058
		3059	$channel = $channel->{id};
		3060	}
2437		3061
2438	return unless @extra || length $msg;	3062	return unless @extra || length $msg;
2439		3063
2440	if ($self->can_msg) {	3064	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3065	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3066	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3067
2453	if ($color >= 0) {	3068	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3069	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3070	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3071	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3072
		3073	$self->send_big_packet ($pkt);
		3074	}
		3075
2464	=item $client->ext_event ($type, %msg)	3076	=item $client->ext_msg ($type, @msg)
2465		3077
2466	Sends an ext event to the client.	3078	Sends an ext event to the client.
2467		3079
2468	=cut	3080	=cut
2469		3081
2470	sub cf::client::ext_event($$%) {	3082	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3083	my ($self, $type, @msg) = @_;
2472		3084
2473	return unless $self->extcmd;	3085	if ($self->extcmd == 2) {
2474		3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3087	} elsif ($self->extcmd == 1) { # TODO: remove
2475	$msg{msgtype} = "event_$type";	3088	push @msg, msgtype => "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3089	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3090	}
		3091	}
		3092
		3093	=item $client->ext_reply ($msgid, @msg)
		3094
		3095	Sends an ext reply to the client.
		3096
		3097	=cut
		3098
		3099	sub cf::client::ext_reply($$@) {
		3100	my ($self, $id, @msg) = @_;
		3101
		3102	if ($self->extcmd == 2) {
		3103	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3104	} elsif ($self->extcmd == 1) {
		3105	#TODO: version 1, remove
		3106	unshift @msg, msgtype => "reply", msgid => $id;
		3107	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3108	}
2477	}	3109	}
2478		3110
2479	=item $success = $client->query ($flags, "text", \&cb)	3111	=item $success = $client->query ($flags, "text", \&cb)
2480		3112
2481	Queues a query to the client, calling the given callback with	3113	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3168	my ($ns, $buf) = @_;
2537		3169
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3170	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3171
2540	if (ref $msg) {	3172	if (ref $msg) {
		3173	my ($type, $reply, @payload) =
		3174	"ARRAY" eq ref $msg
		3175	? @$msg
		3176	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3177
		3178	my @reply;
		3179
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3180	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3181	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3182	}
		3183
		3184	$ns->ext_reply ($reply, @reply)
		3185	if $reply;
		3186
2547	} else {	3187	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3188	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3189	}
2550		3190
2551	cf::override;	3191	cf::override;
2552	},	3192	},
2553	);	3193	);
…		…
2573		3213
2574	$coro	3214	$coro
2575	}	3215	}
2576		3216
2577	cf::client->attach (	3217	cf::client->attach (
2578	on_destroy => sub {	3218	on_client_destroy => sub {
2579	my ($ns) = @_;	3219	my ($ns) = @_;
2580		3220
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3221	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3222	},
2583	);	3223	);
…		…
2598	our $safe = new Safe "safe";	3238	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3239	our $safe_hole = new Safe::Hole;
2600		3240
2601	$SIG{FPE} = 'IGNORE';	3241	$SIG{FPE} = 'IGNORE';
2602		3242
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3243	$safe->permit_only (Opcode::opset qw(
		3244	:base_core :base_mem :base_orig :base_math :base_loop
		3245	grepstart grepwhile mapstart mapwhile
		3246	sort time
		3247	));
2604		3248
2605	# here we export the classes and methods available to script code	3249	# here we export the classes and methods available to script code
2606		3250
2607	=pod	3251	=pod
2608		3252
2609	The following functions and methods are available within a safe environment:	3253	The following functions and methods are available within a safe environment:
2610		3254
2611	cf::object	3255	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3256	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3257	insert remove name archname title slaying race decrease split
		3258	value
2614		3259
2615	cf::object::player	3260	cf::object::player
2616	player	3261	player
2617		3262
2618	cf::player	3263	cf::player
…		…
2623		3268
2624	=cut	3269	=cut
2625		3270
2626	for (	3271	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3272	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3273	insert remove inv nrof name archname title slaying race
		3274	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3275	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3276	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3277	["cf::map" => qw(trigger)],
2632	) {	3278	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3281	for @funs;
2637	}	3282	}
2638		3283
…		…
2653		3298
2654	my $qcode = $code;	3299	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2657		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2658	local $_;	3306	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3307
2661	my $eval =	3308	my $eval =
2662	"do {\n"	3309	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3312	. $code
2666	. "\n}"	3313	. "\n}"
2667	;	3314	;
2668		3315
		3316	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2672		3325
2673	if ($@) {	3326	if ($@) {
2674	warn "$@";	3327	warn "$@",
2675	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2677	}	3330	}
2678		3331
2679	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2680	}	3333	}
2681		3334
…		…
2695	=cut	3348	=cut
2696		3349
2697	sub register_script_function {	3350	sub register_script_function {
2698	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2699		3352
2700	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2702	}	3355	}
2703		3356
2704	=back	3357	=back
2705		3358
2706	=cut	3359	=cut
…		…
2709	# the server's init and main functions	3362	# the server's init and main functions
2710		3363
2711	sub load_facedata($) {	3364	sub load_facedata($) {
2712	my ($path) = @_;	3365	my ($path) = @_;
2713		3366
		3367	# HACK to clear player env face cache, we need some signal framework
		3368	# for this (global event?)
		3369	%ext::player_env::MUSIC_FACE_CACHE = ();
		3370
		3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3372
2714	warn "loading facedata from $path\n";	3373	trace "loading facedata from $path\n";
2715		3374
2716	my $facedata;	3375	my $facedata;
2717	0 < aio_load $path, $facedata	3376	0 < aio_load $path, $facedata
2718	or die "$path: $!";	3377	or die "$path: $!";
2719		3378
2720	$facedata = Coro::Storable::thaw $facedata;	3379	$facedata = Coro::Storable::thaw $facedata;
2721		3380
2722	$facedata->{version} == 2	3381	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3383
		3384	# patch in the exptable
		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3386	$facedata->{resource}{"res/exp_table"} = {
		3387	type => FT_RSRC,
		3388	data => $exp_table,
		3389	hash => (Digest::MD5::md5 $exp_table),
		3390	};
		3391	cf::cede_to_tick;
		3392
2725	{	3393	{
2726	my $faces = $facedata->{faceinfo};	3394	my $faces = $facedata->{faceinfo};
2727		3395
2728	while (my ($face, $info) = each %$faces) {	3396	while (my ($face, $info) = each %$faces) {
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3398
2730	cf::face::set_visibility $idx, $info->{visibility};	3399	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734		3403
2735	cf::cede_to_tick;	3404	cf::cede_to_tick;
2736	}	3405	}
2737		3406
2738	while (my ($face, $info) = each %$faces) {	3407	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3408	next unless $info->{smooth};
		3409
2740	my $idx = cf::face::find $face	3410	my $idx = cf::face::find $face
2741	or next;	3411	or next;
		3412
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3413	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3414	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3416	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3417	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3418	}
2748		3419
2749	cf::cede_to_tick;	3420	cf::cede_to_tick;
2750	}	3421	}
2751	}	3422	}
…		…
2760		3431
2761	cf::anim::invalidate_all; # d'oh	3432	cf::anim::invalidate_all; # d'oh
2762	}	3433	}
2763		3434
2764	{	3435	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3436	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3437
2770	while (my ($name, $info) = each %$res) {	3438	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3439	if (defined $info->{type}) {
2772	name => $name,
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3441
2779	if ($name =~ /\.jpg$/) {
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3443	cf::face::set_type $idx, $info->{type};
2782	} else {	3444	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3445	$RESOURCE{$name} = $info; # unused
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3446	}
2789		3447
2790	cf::cede_to_tick;	3448	cf::cede_to_tick;
2791	}	3449	}
2792	}	3450	}
2793		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
2794	1	3454	1
2795	}	3455	}
2796		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
2797	sub reload_regions {	3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
2798	load_resource_file "$MAPDIR/regions"	3480	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3481	or die "unable to load regions file\n";
2800		3482
2801	for (cf::region::list) {	3483	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3484	$_->{match} = qr/$_->{match}/
…		…
2810	}	3492	}
2811		3493
2812	sub reload_archetypes {	3494	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3495	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3496	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references
2816	# this really needs to be done in an extra post-pass
2817	# (which needs to be synchronous, so solve it differently)
2818	load_resource_file "$DATADIR/archetypes"
2819	or die "unable to load archetypes\n";
2820	}	3497	}
2821		3498
2822	sub reload_treasures {	3499	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3500	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3501	or die "unable to load treasurelists\n";
2825	}	3502	}
2826		3503
		3504	sub reload_exp {
		3505	cf::init_experience;
		3506	}
		3507
		3508	sub reload_sound {
		3509	trace "loading sound config from $DATADIR/sound\n";
		3510
		3511	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3512	or die "$DATADIR/sound $!";
		3513
		3514	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3515
		3516	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3517	my $sound = $soundconf->{compat}[$_]
		3518	or next;
		3519
		3520	my $face = cf::face::find "sound/$sound->[1]";
		3521	cf::sound::set $sound->[0] => $face;
		3522	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3523	}
		3524
		3525	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3526	my $face = cf::face::find "sound/$v";
		3527	cf::sound::set $k => $face;
		3528	}
		3529	}
		3530
2827	sub reload_resources {	3531	sub reload_resources {
2828	warn "reloading resource files...\n";	3532	trace "reloading resource files...\n";
2829		3533
		3534	reload_exp;
		3535	reload_facedata;
		3536	reload_sound;
		3537	reload_archetypes;
2830	reload_regions;	3538	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3539	reload_treasures;
2835		3540
2836	warn "finished reloading resource files\n";	3541	trace "finished reloading resource files\n";
2837	}	3542	}
2838		3543
2839	sub init {	3544	sub reload_config {
2840	reload_resources;	3545	trace "reloading config file...\n";
2841	}
2842		3546
2843	sub cfg_load {
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3547	open my $fh, "<:utf8", "$CONFDIR/config"
2845	or return;	3548	or return;
2846		3549
2847	local $/;	3550	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;	3551	*CFG = YAML::XS::Load scalar <$fh>;
2849		3552
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851		3554
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854		3557
2855	if (exists $CFG{mlockall}) {	3558	if (exists $CFG{mlockall}) {
…		…
2857	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3560	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2858	and die "WARNING: m(un)lockall failed: $!\n";	3561	and die "WARNING: m(un)lockall failed: $!\n";
2859	};	3562	};
2860	warn $@ if $@;	3563	warn $@ if $@;
2861	}	3564	}
		3565
		3566	trace "finished reloading resource files\n";
		3567	}
		3568
		3569	sub pidfile() {
		3570	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3571	or die "$PIDFILE: $!";
		3572	flock $fh, &Fcntl::LOCK_EX
		3573	or die "$PIDFILE: flock: $!";
		3574	$fh
		3575	}
		3576
		3577	# make sure only one server instance is running at any one time
		3578	sub atomic {
		3579	my $fh = pidfile;
		3580
		3581	my $pid = <$fh>;
		3582	kill 9, $pid if $pid > 0;
		3583
		3584	seek $fh, 0, 0;
		3585	print $fh $$;
		3586	}
		3587
		3588	sub main_loop {
		3589	trace "EV::loop starting\n";
		3590	if (1) {
		3591	EV::loop;
		3592	}
		3593	trace "EV::loop returned\n";
		3594	goto &main_loop unless $REALLY_UNLOOP;
2862	}	3595	}
2863		3596
2864	sub main {	3597	sub main {
		3598	cf::init_globals; # initialise logging
		3599
		3600	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3601	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3602	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3603	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3604
		3605	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3606
2865	# we must not ever block the main coroutine	3607	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3608	local $Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3609	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3610	(async {
2869	Event::one_event;	3611	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3612	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3613	})->prio (Coro::PRIO_MAX);
2871	};	3614	};
2872		3615
2873	cfg_load;	3616	evthread_start IO::AIO::poll_fileno;
		3617
		3618	cf::sync_job {
		3619	cf::incloader::init ();
		3620
		3621	cf::init_anim;
		3622	cf::init_attackmess;
		3623	cf::init_dynamic;
		3624
		3625	cf::load_settings;
		3626	cf::load_materials;
		3627
		3628	reload_resources;
		3629	reload_config;
2874	db_init;	3630	db_init;
		3631
		3632	cf::init_uuid;
		3633	cf::init_signals;
		3634	cf::init_skills;
		3635
		3636	cf::init_beforeplay;
		3637
		3638	atomic;
		3639
2875	load_extensions;	3640	load_extensions;
2876		3641
2877	$TICK_WATCHER->start;	3642	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3643
		3644	# no (long-running) fork's whatsoever before this point(!)
		3645	use POSIX ();
		3646	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3647
		3648	(pop @POST_INIT)->(0) while @POST_INIT;
		3649	};
		3650
		3651	cf::object::thawer::errors_are_fatal 0;
		3652	info "parse errors in files are no longer fatal from this point on.\n";
		3653
		3654	my $free_main; $free_main = EV::idle sub {
		3655	undef $free_main;
		3656	undef &main; # free gobs of memory :)
		3657	};
		3658
		3659	goto &main_loop;
2879	}	3660	}
2880		3661
2881	#############################################################################	3662	#############################################################################
2882	# initialisation and cleanup	3663	# initialisation and cleanup
2883		3664
2884	# install some emergency cleanup handlers	3665	# install some emergency cleanup handlers
2885	BEGIN {	3666	BEGIN {
		3667	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3668	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3669	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3670	cf::cleanup "SIG$signal";
2894	},
2895	);	3671	};
2896	}	3672	}
2897	}	3673	}
2898		3674
2899	sub write_runtime {	3675	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3676	my $t0 = AE::time;
2901		3677
2902	# first touch the runtime file to show we are still running:	3678	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3679	# the fsync below can take a very very long time.
2904		3680
2905	IO::AIO::aio_utime $runtime, undef, undef;	3681	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3682
2907	my $guard = cf::lock_acquire "write_runtime";	3683	my $guard = cf::lock_acquire "write_runtime";
2908		3684
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3685	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3686	or return;
2911		3687
2912	my $value = $cf::RUNTIME + 90 + 10;	3688	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3689	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3690	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3700	aio_utime $fh, undef, undef;
2925		3701
2926	close $fh	3702	close $fh
2927	or return;	3703	or return;
2928		3704
2929	aio_rename "$runtime~", $runtime	3705	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3706	and return;
2931		3707
2932	warn "runtime file written.\n";	3708	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3709
2934	1	3710	1
		3711	}
		3712
		3713	our $uuid_lock;
		3714	our $uuid_skip;
		3715
		3716	sub write_uuid_sync($) {
		3717	$uuid_skip ||= $_[0];
		3718
		3719	return if $uuid_lock;
		3720	local $uuid_lock = 1;
		3721
		3722	my $uuid = "$LOCALDIR/uuid";
		3723
		3724	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3725	or return;
		3726
		3727	my $value = uuid_seq uuid_cur;
		3728
		3729	unless ($value) {
		3730	info "cowardly refusing to write zero uuid value!\n";
		3731	return;
		3732	}
		3733
		3734	my $value = uuid_str $value + $uuid_skip;
		3735	$uuid_skip = 0;
		3736
		3737	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3738	and return;
		3739
		3740	# always fsync - this file is important
		3741	aio_fsync $fh
		3742	and return;
		3743
		3744	close $fh
		3745	or return;
		3746
		3747	aio_rename "$uuid~", $uuid
		3748	and return;
		3749
		3750	trace "uuid file written ($value).\n";
		3751
		3752	1
		3753
		3754	}
		3755
		3756	sub write_uuid($$) {
		3757	my ($skip, $sync) = @_;
		3758
		3759	$sync ? write_uuid_sync $skip
		3760	: async { write_uuid_sync $skip };
2935	}	3761	}
2936		3762
2937	sub emergency_save() {	3763	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3764	my $freeze_guard = cf::freeze_mainloop;
2939		3765
2940	warn "enter emergency perl save\n";	3766	info "emergency_perl_save: enter\n";
		3767
		3768	# this is a trade-off: we want to be very quick here, so
		3769	# save all maps without fsync, and later call a global sync
		3770	# (which in turn might be very very slow)
		3771	local $USE_FSYNC = 0;
2941		3772
2942	cf::sync_job {	3773	cf::sync_job {
		3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
2943	# use a peculiar iteration method to avoid tripping on perl	3776	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3777	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3778	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3779	info "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3780	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3781	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3782	$pl->valid or next;
		3783	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3784	$pl->save;
2951	}	3785	}
2952	warn "end emergency player save\n";	3786	info "emergency_perl_save: end player save\n";
2953		3787
2954	warn "begin emergency map save\n";	3788	cf::write_runtime_sync; # external watchdog should not bark
		3789
		3790	info "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	3791	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	3792	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	3793	$map->valid or next;
2958	$map->save;	3794	$map->save;
2959	}	3795	}
2960	warn "end emergency map save\n";	3796	info "emergency_perl_save: end map save\n";
2961		3797
2962	warn "begin emergency database checkpoint\n";	3798	cf::write_runtime_sync; # external watchdog should not bark
		3799
		3800	info "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	3801	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	3802	info "emergency_perl_save: end database checkpoint\n";
		3803
		3804	info "emergency_perl_save: begin write uuid\n";
		3805	write_uuid_sync 1;
		3806	info "emergency_perl_save: end write uuid\n";
		3807
		3808	cf::write_runtime_sync; # external watchdog should not bark
		3809
		3810	trace "emergency_perl_save: syncing database to disk";
		3811	BDB::db_env_txn_checkpoint $DB_ENV;
		3812
		3813	info "emergency_perl_save: starting sync\n";
		3814	IO::AIO::aio_sync sub {
		3815	info "emergency_perl_save: finished sync\n";
		3816	};
		3817
		3818	cf::write_runtime_sync; # external watchdog should not bark
		3819
		3820	trace "emergency_perl_save: flushing outstanding aio requests";
		3821	while (IO::AIO::nreqs || BDB::nreqs) {
		3822	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3823	}
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
2965	};	3826	};
2966		3827
2967	warn "leave emergency perl save\n";	3828	info "emergency_perl_save: leave\n";
2968	}	3829	}
2969		3830
2970	sub post_cleanup {	3831	sub post_cleanup {
2971	my ($make_core) = @_;	3832	my ($make_core) = @_;
2972		3833
		3834	IO::AIO::flush;
		3835
2973	warn Carp::longmess "post_cleanup backtrace"	3836	error Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	3837	if $make_core;
		3838
		3839	my $fh = pidfile;
		3840	unlink $PIDFILE if <$fh> == $$;
		3841	}
		3842
		3843	# a safer delete_package, copied from Symbol
		3844	sub clear_package($) {
		3845	my $pkg = shift;
		3846
		3847	# expand to full symbol table name if needed
		3848	unless ($pkg =~ /^main::.*::$/) {
		3849	$pkg = "main$pkg" if $pkg =~ /^::/;
		3850	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3851	$pkg .= '::' unless $pkg =~ /::$/;
		3852	}
		3853
		3854	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3855	my $stem_symtab = *{$stem}{HASH};
		3856
		3857	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3858	or return;
		3859
		3860	# clear all symbols
		3861	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3862	for my $name (keys %$leaf_symtab) {
		3863	_gv_clear *{"$pkg$name"};
		3864	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3865	}
2975	}	3866	}
2976		3867
2977	sub do_reload_perl() {	3868	sub do_reload_perl() {
2978	# can/must only be called in main	3869	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	3870	unless (in_main) {
2980	warn "can only reload from main coroutine";	3871	error "can only reload from main coroutine";
2981	return;	3872	return;
2982	}	3873	}
2983		3874
		3875	return if $RELOAD++;
		3876
		3877	my $t1 = AE::time;
		3878
		3879	while ($RELOAD) {
		3880	cf::get_slot 0.1, -1, "reload_perl";
2984	warn "reloading...";	3881	info "reloading...";
2985		3882
2986	warn "entering sync_job";	3883	trace "entering sync_job";
2987		3884
2988	cf::sync_job {	3885	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark
2990	cf::emergency_save;	3886	#cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark
2992		3887
2993	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996	# if anything goes wrong in here, we should simply crash as we already saved
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";	3888	trace "cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;	3889	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();	3890	%EXT_CORO = ();
3017		3891
3018	warn "removing commands";	3892	trace "removing commands";
3019	%COMMAND = ();	3893	%COMMAND = ();
3020		3894
3021	warn "removing ext/exti commands";	3895	trace "removing ext/exti commands";
3022	%EXTCMD = ();	3896	%EXTCMD = ();
3023	%EXTICMD = ();	3897	%EXTICMD = ();
3024		3898
3025	warn "unloading/nuking all extensions";	3899	trace "unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {	3900	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";	3901	trace "... unloading $pkg";
3028		3902
3029	if (my $cb = $pkg->can ("unload")) {	3903	if (my $cb = $pkg->can ("unload")) {
3030	eval {	3904	eval {
3031	$cb->($pkg);	3905	$cb->($pkg);
3032	1	3906	1
3033	} or warn "$pkg unloaded, but with errors: $@";	3907	} or error "$pkg unloaded, but with errors: $@";
		3908	}
		3909
		3910	trace "... clearing $pkg";
		3911	clear_package $pkg;
3034	}	3912	}
3035		3913
3036	warn "... nuking $pkg";
3037	Symbol::delete_package $pkg;
3038	}
3039
3040	warn "unloading all perl modules loaded from $LIBDIR";	3914	trace "unloading all perl modules loaded from $LIBDIR";
3041	while (my ($k, $v) = each %INC) {	3915	while (my ($k, $v) = each %INC) {
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		3917
3044	warn "... unloading $k";	3918	trace "... unloading $k";
3045	delete $INC{$k};	3919	delete $INC{$k};
3046		3920
3047	$k =~ s/\.pm$//;	3921	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;	3922	$k =~ s/\//::/g;
3049		3923
3050	if (my $cb = $k->can ("unload_module")) {	3924	if (my $cb = $k->can ("unload_module")) {
3051	$cb->();	3925	$cb->();
		3926	}
		3927
		3928	clear_package $k;
3052	}	3929	}
3053		3930
3054	Symbol::delete_package $k;
3055	}
3056
3057	warn "getting rid of safe::, as good as possible";	3931	trace "getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	3932	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3933	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		3934
3061	warn "unloading cf.pm \"a bit\"";	3935	trace "unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	3936	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	3937	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		3938
3065	# don't, removes xs symbols, too,	3939	# don't, removes xs symbols, too,
3066	# and global variables created in xs	3940	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	3941	#clear_package __PACKAGE__;
3068		3942
3069	warn "unload completed, starting to reload now";	3943	info "unload completed, starting to reload now";
3070		3944
3071	warn "reloading cf.pm";	3945	trace "reloading cf.pm";
3072	require cf;	3946	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3947	cf::_connect_to_perl_1;
3074		3948
3075	warn "loading config and database again";	3949	trace "loading config and database again";
3076	cf::cfg_load;	3950	cf::reload_config;
3077		3951
3078	warn "loading extensions";	3952	trace "loading extensions";
3079	cf::load_extensions;	3953	cf::load_extensions;
3080		3954
		3955	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	3956	trace "reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	3957	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	3958	trace "reattaching attachments to maps";
3084	reattach $_ for values %MAP;	3959	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	3960	trace "reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	3961	reattach $_ for values %PLAYER;
		3962	}
3087		3963
		3964	trace "running post_init jobs";
		3965	(pop @POST_INIT)->(1) while @POST_INIT;
		3966
3088	warn "leaving sync_job";	3967	trace "leaving sync_job";
3089		3968
3090	1	3969	1
3091	} or do {	3970	} or do {
3092	warn $@;	3971	error $@;
3093	warn "error while reloading, exiting.";	3972	cf::cleanup "error while reloading, exiting.";
3094	exit 1;	3973	};
		3974
		3975	info "reloaded";
		3976	--$RELOAD;
3095	};	3977	}
3096		3978
3097	warn "reloaded";	3979	$t1 = AE::time - $t1;
		3980	info "reload completed in ${t1}s\n";
3098	};	3981	};
3099		3982
3100	our $RELOAD_WATCHER; # used only during reload	3983	our $RELOAD_WATCHER; # used only during reload
3101		3984
3102	sub reload_perl() {	3985	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	3986	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	3987	# coro crashes during coro_state_free->destroy here.
3105		3988
3106	$RELOAD_WATCHER ||= Event->timer (	3989	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	3990	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	3991
3109	data => WF_AUTOCANCEL,	3992	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	3993	do_reload_perl;
3112	undef $RELOAD_WATCHER;	3994	undef $RELOAD_WATCHER;
3113	},	3995	};
3114	);	3996	};
3115	}	3997	}
3116		3998
3117	register_command "reload" => sub {	3999	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	4000	my ($who, $arg) = @_;
3119		4001
3120	if ($who->flag (FLAG_WIZ)) {	4002	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	4003	$who->message ("reloading server.");
		4004	async {
		4005	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	4006	reload_perl;
		4007	};
3123	}	4008	}
3124	};	4009	};
3125		4010
3126	unshift @INC, $LIBDIR;	4011	#############################################################################
3127		4012
3128	my $bug_warning = 0;	4013	my $bug_warning = 0;
3129		4014
3130	our @WAIT_FOR_TICK;	4015	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;	4016	our @WAIT_FOR_TICK_BEGIN;
3132		4017
3133	sub wait_for_tick {	4018	sub wait_for_tick {
3134	return unless $TICK_WATCHER->is_active;
3135	return if $Coro::current == $Coro::main;	4019	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136		4020
3137	my $signal = new Coro::Signal;	4021	my $signal = new Coro::Signal;
3138	push @WAIT_FOR_TICK, $signal;	4022	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;	4023	$signal->wait;
3140	}	4024	}
3141		4025
3142	sub wait_for_tick_begin {	4026	sub wait_for_tick_begin {
3143	return unless $TICK_WATCHER->is_active;
3144	return if $Coro::current == $Coro::main;	4027	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145		4028
3146	my $signal = new Coro::Signal;	4029	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	4030	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	4031	$signal->wait;
3149	}	4032	}
3150		4033
3151	my $min = 1e6;#d#	4034	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	4035	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4036	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	4037	unless ++$bug_warning > 10;
3163	return;	4038	return;
3164	}	4039	}
3165		4040
3166	$NOW = $tick_start = Event::time;
3167
3168	cf::server_tick; # one server iteration	4041	cf::server_tick; # one server iteration
3169		4042
3170	0 && sync_job {#d#	4043	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171	for(1..10) {
3172	my $t = Event::time;
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174	or die;
3175		4044
3176	$map->width (50);	4045	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	$map->height (50);	4046	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	$map->alloc;	4047	Coro::async_pool {
3179	$map->_load_objects ("/tmp/x.map", 1);	4048	$Coro::current->{desc} = "runtime saver";
3180	my $t = Event::time - $t;	4049	write_runtime_sync
3181		4050	or error "ERROR: unable to write runtime file: $!";
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	4051	};
		4052	}
3192		4053
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4055	$sig->send;
3209	}	4056	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4057	while (my $sig = shift @WAIT_FOR_TICK) {
3211	$sig->send;	4058	$sig->send;
3212	}	4059	}
3213		4060
3214	$NOW = Event::time;	4061	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4062	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4063
3225	_post_tick;	4064	if (0) {
3226		4065	if ($NEXT_TICK) {
3227		4066	my $jitter = $TICK_START - $NEXT_TICK;
		4067	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4068	debug "jitter $JITTER\n";#d#
		4069	}
3228	},	4070	}
3229	);	4071	}
3230		4072
3231	{	4073	{
3232	BDB::max_poll_time $TICK * 0.1;	4074	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4075
3234	reentrant => 0,
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4076	BDB::min_parallel 16;
3242		4077	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4078	$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4079
3258	unless ($DB_ENV) {	4080	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4081	$DB_ENV = BDB::db_env_create;
		4082	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4083	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4084	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4085	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4086	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4087
3261	cf::sync_job {	4088	cf::sync_job {
3262	eval {	4089	eval {
3263	BDB::db_env_open	4090	BDB::db_env_open
3264	$DB_ENV,	4091	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4093	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4094	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4095	0666;
3269		4096
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4097	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4098	};
3275		4099
3276	cf::cleanup "db_env_open(db): $@" if $@;	4100	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4101	};
3278	}	4102	}
		4103
		4104	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4105	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4106	};
		4107	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4108	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4109	};
		4110	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4111	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4112	};
3279	}	4113	}
3280		4114
3281	{	4115	{
		4116	# configure IO::AIO
		4117
3282	IO::AIO::min_parallel 8;	4118	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4119	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4120	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4121	}
3295		4122
3296	my $_log_backtrace;	4123	my $_log_backtrace;
3297		4124
3298	sub _log_backtrace {	4125	sub _log_backtrace {
…		…
3301	$msg =~ s/\n//;	4128	$msg =~ s/\n//;
3302		4129
3303	# limit the # of concurrent backtraces	4130	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4131	if ($_log_backtrace < 2) {
3305	++$_log_backtrace;	4132	++$_log_backtrace;
		4133	my $perl_bt = Carp::longmess $msg;
3306	async {	4134	async {
		4135	$Coro::current->{desc} = "abt $msg";
		4136
3307	my @bt = fork_call {	4137	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4138	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4139	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4140	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4141	or die "addr2line: $!";
…		…
3319	}	4149	}
3320		4150
3321	@funcs	4151	@funcs
3322	};	4152	};
3323		4153
3324	LOG llevInfo, "[ABT] $msg\n";	4154	LOG llevInfo, "[ABT] $perl_bt\n";
		4155	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4156	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4157	--$_log_backtrace;
3327	};	4158	};
3328	} else {	4159	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4160	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4161	LOG llevInfo, "[ABT] [suppressed]\n";
3331	}	4162	}
3332	}	4163	}
3333		4164
3334	# load additional modules	4165	# load additional modules
3335	use cf::pod;	4166	require "cf/$_.pm" for @EXTRA_MODULES;
		4167	cf::_connect_to_perl_2;
3336		4168
3337	END { cf::emergency_save }	4169	END { cf::emergency_save }
3338		4170
3339	1	4171	1
3340		4172

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