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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.302 by root, Tue Jul 10 16:23:59 2007 UTC vs.
Revision 1.539 by root, Tue May 4 22:49:21 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
50		80
51	our %COMMAND = ();	81	our %COMMAND = ();
52	our %COMMAND_TIME = ();	82	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	85	our %EXTCMD = ();
56	our %EXTICMD = ();	86	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	87	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	88	our %EXT_MAP = (); # pluggable maps
59		89
60	our $RELOAD; # number of reloads so far	90	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	91	our @EVENT;
		92	our @REFLECT; # set by XS
		93	our %REFLECT; # set by us
62		94
63	our $CONFDIR = confdir;	95	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	96	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	97	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	98	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	99	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	100	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	101	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	102	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	103	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	104	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	105	our $BDBDIR = "$LOCALDIR/db";
		106	our $PIDFILE = "$LOCALDIR/pid";
		107	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		108
		109	our %RESOURCE; # unused
		110
		111	our $OUTPUT_RATE_MIN = 3000;
		112	our $OUTPUT_RATE_MAX = 1000000;
		113
		114	our $MAX_LINKS = 32; # how many chained exits to follow
		115	our $VERBOSE_IO = 1;
74		116
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	117	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	118	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	119	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	120	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		121
		122	our $BDB_DEADLOCK_WATCHER;
		123	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	124	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	125	our $DB_ENV;
		126
		127	our @EXTRA_MODULES = qw(pod match mapscript);
85		128
86	our %CFG;	129	our %CFG;
87		130
88	our $UPTIME; $UPTIME ||= time;	131	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	132	our $RUNTIME;
		133	our $NOW;
90		134
91	our %PLAYER; # all users	135	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	136	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	137	our $LINK_MAP; # the special {link} map, which is always available
94		138
95	# used to convert map paths into valid unix filenames by replacing / by ∕	139	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	140	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		141
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	142	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	143	our $LOADAVG; # same thing, but with alpha-smoothing
		144	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	145	our $TICK_START; # for load detecting purposes
		146
		147	our @POST_INIT;
		148
		149	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		150	our $REALLY_UNLOOP; # never set to true, please :)
101		151
102	binmode STDOUT;	152	binmode STDOUT;
103	binmode STDERR;	153	binmode STDERR;
104		154
105	# read virtual server time, if available	155	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	156	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	157	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	158	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	159	$RUNTIME = <$fh> + 0.;
110	}	160	}
		161
		162	eval "sub TICK() { $TICK } 1" or die;
111		163
112	mkdir $_	164	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	165	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		166
115	our $EMERGENCY_POSITION;	167	our $EMERGENCY_POSITION;
116		168
117	sub cf::map::normalise;	169	sub cf::map::normalise;
		170
		171	sub in_main() {
		172	$Coro::current == $Coro::main
		173	}
		174
		175	#############################################################################
		176
		177	%REFLECT = ();
		178	for (@REFLECT) {
		179	my $reflect = JSON::XS::decode_json $_;
		180	$REFLECT{$reflect->{class}} = $reflect;
		181	}
		182
		183	# this is decidedly evil
		184	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118		185
119	#############################################################################	186	#############################################################################
120		187
121	=head2 GLOBAL VARIABLES	188	=head2 GLOBAL VARIABLES
122		189
…		…
158		225
159	The raw value load value from the last tick.	226	The raw value load value from the last tick.
160		227
161	=item %cf::CFG	228	=item %cf::CFG
162		229
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	230	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	231	from wherever your confdir points to.
165		232
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	233	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		234
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	235	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	236	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.	237	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		238
		239	=item @cf::INVOKE_RESULTS
		240
		241	This array contains the results of the last C<invoke ()> call. When
		242	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		243	that call.
		244
		245	=item %cf::REFLECT
		246
		247	Contains, for each (C++) class name, a hash reference with information
		248	about object members (methods, scalars, arrays and flags) and other
		249	metadata, which is useful for introspection.
		250
172	=back	251	=back
173		252
174	=cut	253	=cut
175		254
176	BEGIN {	255	sub error(@) { LOG llevError, join "", @_ }
177	*CORE::GLOBAL::warn = sub {	256	sub warn (@) { LOG llevWarn , join "", @_ }
		257	sub info (@) { LOG llevInfo , join "", @_ }
		258	sub debug(@) { LOG llevDebug, join "", @_ }
		259	sub trace(@) { LOG llevTrace, join "", @_ }
		260
		261	$Coro::State::WARNHOOK = sub {
178	my $msg = join "", @_;	262	my $msg = join "", @_;
179		263
180	$msg .= "\n"	264	$msg .= "\n"
181	unless $msg =~ /\n$/;	265	unless $msg =~ /\n$/;
182		266
183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	267	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184		268
185	utf8::encode $msg;
186	LOG llevError, $msg;	269	LOG llevWarn, $msg;
187	};	270	};
188	}	271
		272	$Coro::State::DIEHOOK = sub {
		273	return unless $^S eq 0; # "eq", not "=="
		274
		275	error Carp::longmess $_[0];
		276
		277	if (in_main) {#d#
		278	error "DIEHOOK called in main context, Coro bug?\n";#d#
		279	return;#d#
		280	}#d#
		281
		282	# kill coroutine otherwise
		283	Coro::terminate
		284	};
189		285
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	286	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	287	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	288	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	289	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	296	for my $pkg (qw(
201	cf::global cf::attachable	297	cf::global cf::attachable
202	cf::object cf::object::player	298	cf::object cf::object::player
203	cf::client cf::player	299	cf::client cf::player
204	cf::arch cf::living	300	cf::arch cf::living
		301	cf::map cf::mapspace
205	cf::map cf::party cf::region	302	cf::party cf::region
206	)) {	303	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	304	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	305	}
210		306
211	$Event::DIED = sub {	307	$EV::DIED = sub {
212	warn "error in event callback: @_";	308	Carp::cluck "error in event callback: @_";
213	};	309	};
214		310
215	#############################################################################	311	#############################################################################
216		312
217	=head2 UTILITY FUNCTIONS	313	=head2 UTILITY FUNCTIONS
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	335	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	336	$d
241	} || "[unable to dump $_[0]: '$@']";	337	} || "[unable to dump $_[0]: '$@']";
242	}	338	}
243		339
244	=item $ref = cf::from_json $json	340	=item $ref = cf::decode_json $json
245		341
246	Converts a JSON string into the corresponding perl data structure.	342	Converts a JSON string into the corresponding perl data structure.
247		343
248	=item $json = cf::to_json $ref	344	=item $json = cf::encode_json $ref
249		345
250	Converts a perl data structure into its JSON representation.	346	Converts a perl data structure into its JSON representation.
251		347
252	=cut	348	=cut
253		349
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	350	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		351
256	sub to_json ($) { $json_coder->encode ($_[0]) }	352	sub encode_json($) { $json_coder->encode ($_[0]) }
257	sub from_json ($) { $json_coder->decode ($_[0]) }	353	sub decode_json($) { $json_coder->decode ($_[0]) }
		354
		355	=item cf::post_init { BLOCK }
		356
		357	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		358	but I<before> the server starts ticking again.
		359
		360	The cdoeblock will have a single boolean argument to indicate whether this
		361	is a reload or not.
		362
		363	=cut
		364
		365	sub post_init(&) {
		366	push @POST_INIT, shift;
		367	}
258		368
259	=item cf::lock_wait $string	369	=item cf::lock_wait $string
260		370
261	Wait until the given lock is available. See cf::lock_acquire.	371	Wait until the given lock is available. See cf::lock_acquire.
262		372
263	=item my $lock = cf::lock_acquire $string	373	=item my $lock = cf::lock_acquire $string
264		374
265	Wait until the given lock is available and then acquires it and returns	375	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,	376	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	377	for example when the coroutine gets canceled), the lock is automatically
268	returned.	378	returned.
269		379
		380	Locks are *not* recursive, locking from the same coro twice results in a
		381	deadlocked coro.
		382
270	Lock names should begin with a unique identifier (for example, cf::map::find	383	Lock names should begin with a unique identifier (for example, cf::map::find
271	uses map_find and cf::map::load uses map_load).	384	uses map_find and cf::map::load uses map_load).
272		385
273	=item $locked = cf::lock_active $string	386	=item $locked = cf::lock_active $string
274		387
275	Return true if the lock is currently active, i.e. somebody has locked it.	388	Return true if the lock is currently active, i.e. somebody has locked it.
276		389
277	=cut	390	=cut
278		391
279	our %LOCK;	392	our $LOCKS = new Coro::SemaphoreSet;
280		393
281	sub lock_wait($) {	394	sub lock_wait($) {
282	my ($key) = @_;	395	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	396	}
290		397
291	sub lock_acquire($) {	398	sub lock_acquire($) {
292	my ($key) = @_;	399	$LOCKS->guard ($_[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	}	400	}
304		401
305	sub lock_active($) {	402	sub lock_active($) {
306	my ($key) = @_;	403	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	404	}
310		405
311	sub freeze_mainloop {	406	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	407	tick_inhibit_inc;
313		408
314	my $guard = Coro::guard {	409	&Guard::guard (\&tick_inhibit_dec);
315	$TICK_WATCHER->start;	410	}
		411
		412	=item cf::periodic $interval, $cb
		413
		414	Like EV::periodic, but randomly selects a starting point so that the actions
		415	get spread over time.
		416
		417	=cut
		418
		419	sub periodic($$) {
		420	my ($interval, $cb) = @_;
		421
		422	my $start = rand List::Util::min 180, $interval;
		423
		424	EV::periodic $start, $interval, 0, $cb
		425	}
		426
		427	=item cf::get_slot $time[, $priority[, $name]]
		428
		429	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		430	This call blocks and returns only when you have at least C<$time> seconds
		431	of cpu time till the next tick. The slot is only valid till the next cede.
		432
		433	The optional C<$name> can be used to identify the job to run. It might be
		434	used for statistical purposes and should identify the same time-class.
		435
		436	Useful for short background jobs.
		437
		438	=cut
		439
		440	our @SLOT_QUEUE;
		441	our $SLOT_QUEUE;
		442	our $SLOT_DECAY = 0.9;
		443
		444	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		445	$SLOT_QUEUE = Coro::async {
		446	$Coro::current->desc ("timeslot manager");
		447
		448	my $signal = new Coro::Signal;
		449	my $busy;
		450
		451	while () {
		452	next_job:
		453
		454	my $avail = cf::till_tick;
		455
		456	for (0 .. $#SLOT_QUEUE) {
		457	if ($SLOT_QUEUE[$_][0] <= $avail) {
		458	$busy = 0;
		459	my $job = splice @SLOT_QUEUE, $_, 1, ();
		460	$job->[2]->send;
		461	Coro::cede;
		462	goto next_job;
		463	} else {
		464	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		465	}
		466	}
		467
		468	if (@SLOT_QUEUE) {
		469	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		470	push @cf::WAIT_FOR_TICK, $signal;
		471	$signal->wait;
		472	} else {
		473	$busy = 0;
		474	Coro::schedule;
		475	}
316	};	476	}
317	$TICK_WATCHER->stop;	477	};
318	$guard	478
		479	sub get_slot($;$$) {
		480	return if tick_inhibit || $Coro::current == $Coro::main;
		481
		482	my ($time, $pri, $name) = @_;
		483
		484	$time = clamp $time, 0.01, $TICK * .6;
		485
		486	my $sig = new Coro::Signal;
		487
		488	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		489	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		490	$SLOT_QUEUE->ready;
		491	$sig->wait;
319	}	492	}
320		493
321	=item cf::async { BLOCK }	494	=item cf::async { BLOCK }
322		495
323	Currently the same as Coro::async_pool, meaning you cannot use	496	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		501
329	BEGIN { *async = \&Coro::async_pool }	502	BEGIN { *async = \&Coro::async_pool }
330		503
331	=item cf::sync_job { BLOCK }	504	=item cf::sync_job { BLOCK }
332		505
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	506	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	507	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	508	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	509	acceptable.
337		510
338	If it must be done, put the blocking parts into C<sync_job>. This will run	511	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	512	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	516	=cut
344		517
345	sub sync_job(&) {	518	sub sync_job(&) {
346	my ($job) = @_;	519	my ($job) = @_;
347		520
348	if ($Coro::current == $Coro::main) {	521	if (in_main) {
349	my $time = Event::time;	522	my $time = AE::time;
350		523
351	# this is the main coro, too bad, we have to block	524	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	525	# till the operation succeeds, freezing the server :/
353		526
354	# TODO: use suspend/resume instead	527	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	528
356	my $freeze_guard = freeze_mainloop;	529	my $freeze_guard = freeze_mainloop;
357		530
358	my $busy = 1;	531	my $busy = 1;
359	my @res;	532	my @res;
360		533
361	(async {	534	(async {
		535	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	536	@res = eval { $job->() };
363	warn $@ if $@;	537	error $@ if $@;
364	undef $busy;	538	undef $busy;
365	})->prio (Coro::PRIO_MAX);	539	})->prio (Coro::PRIO_MAX);
366		540
367	while ($busy) {	541	while ($busy) {
368	Coro::cede or Event::one_event;	542	if (Coro::nready) {
		543	Coro::cede_notself;
		544	} else {
		545	EV::loop EV::LOOP_ONESHOT;
369	}	546	}
		547	}
370		548
371	$time = Event::time - $time;	549	my $time = AE::time - $time;
372		550
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	551	$TICK_START += $time; # do not account sync jobs to server load
377		552
378	wantarray ? @res : $res[0]	553	wantarray ? @res : $res[0]
379	} else {	554	} else {
380	# we are in another coroutine, how wonderful, everything just works	555	# we are in another coroutine, how wonderful, everything just works
381		556
…		…
406	=item fork_call { }, $args	581	=item fork_call { }, $args
407		582
408	Executes the given code block with the given arguments in a seperate	583	Executes the given code block with the given arguments in a seperate
409	process, returning the results. Everything must be serialisable with	584	process, returning the results. Everything must be serialisable with
410	Coro::Storable. May, of course, block. Note that the executed sub may	585	Coro::Storable. May, of course, block. Note that the executed sub may
411	never block itself or use any form of Event handling.	586	never block itself or use any form of event handling.
412		587
413	=cut	588	=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	$buf
422	}
423		589
424	sub fork_call(&@) {	590	sub fork_call(&@) {
425	my ($cb, @args) = @_;	591	my ($cb, @args) = @_;
426		592
427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	593	# we seemingly have to make a local copy of the whole thing,
428	# or die "socketpair: $!";	594	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	595	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		596
432	if (my $pid = fork) {	597	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;	598	reset_signals;
446	local $SIG{__WARN__};	599	&$cb
447	local $SIG{__DIE__};	600	}, @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		601
454	eval {	602	wantarray ? @res : $res[-1]
455	close $fh1;	603	}
456		604
457	my @res = eval { $cb->(@args) };	605	sub objinfo {
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	606	(
		607	"counter value" => cf::object::object_count,
		608	"objects created" => cf::object::create_count,
		609	"objects destroyed" => cf::object::destroy_count,
		610	"freelist size" => cf::object::free_count,
		611	"allocated objects" => cf::object::objects_size,
		612	"active objects" => cf::object::actives_size,
		613	)
		614	}
		615
		616	=item $coin = coin_from_name $name
		617
		618	=cut
		619
		620	our %coin_alias = (
		621	"silver" => "silvercoin",
		622	"silvercoin" => "silvercoin",
		623	"silvercoins" => "silvercoin",
		624	"gold" => "goldcoin",
		625	"goldcoin" => "goldcoin",
		626	"goldcoins" => "goldcoin",
		627	"platinum" => "platinacoin",
		628	"platinumcoin" => "platinacoin",
		629	"platinumcoins" => "platinacoin",
		630	"platina" => "platinacoin",
		631	"platinacoin" => "platinacoin",
		632	"platinacoins" => "platinacoin",
		633	"royalty" => "royalty",
		634	"royalties" => "royalty",
		635	);
		636
		637	sub coin_from_name($) {
		638	$coin_alias{$_[0]}
		639	? cf::arch::find $coin_alias{$_[0]}
		640	: undef
466	}	641	}
467		642
468	=item $value = cf::db_get $family => $key	643	=item $value = cf::db_get $family => $key
469		644
470	Returns a single value from the environment database.	645	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	647	=item cf::db_put $family => $key => $value
473		648
474	Stores the given C<$value> in the family. It can currently store binary	649	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).	650	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476		651
		652	=item $db = cf::db_table "name"
		653
		654	Create and/or open a new database table. The string must not be "db" and must be unique
		655	within each server.
		656
477	=cut	657	=cut
		658
		659	sub db_table($) {
		660	cf::error "db_get called from main context"
		661	if $Coro::current == $Coro::main;
		662
		663	my ($name) = @_;
		664	my $db = BDB::db_create $DB_ENV;
		665
		666	eval {
		667	$db->set_flags (BDB::CHKSUM);
		668
		669	utf8::encode $name;
		670	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		671	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		672	cf::cleanup "db_open(db): $!" if $!;
		673	};
		674	cf::cleanup "db_open(db): $@" if $@;
		675
		676	$db
		677	}
478		678
479	our $DB;	679	our $DB;
480		680
481	sub db_init {	681	sub db_init {
482	unless ($DB) {	682	$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	}	683	}
497		684
498	sub db_get($$) {	685	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	686	my $key = "$_[0]/$_[1]";
500		687
501	cf::sync_job {	688	cf::error "db_get called from main context"
		689	if $Coro::current == $Coro::main;
		690
502	BDB::db_get $DB, undef, $key, my $data;	691	BDB::db_get $DB, undef, $key, my $data;
503		692
504	$! ? ()	693	$! ? ()
505	: $data	694	: $data
506	}
507	}	695	}
508		696
509	sub db_put($$$) {	697	sub db_put($$$) {
510	BDB::dbreq_pri 4;	698	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	699	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
550	if (1) {	738	if (1) {
551	$md5 =	739	$md5 =
552	join "\x00",	740	join "\x00",
553	$processversion,	741	$processversion,
554	map {	742	map {
555	Coro::cede;	743	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	744	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	745	} 0.. $#$src;
558		746
559		747
560	my $dbmd5 = db_get cache => "$id/md5";	748	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		755
568	my $t1 = Time::HiRes::time;	756	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	757	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	758	my $t2 = Time::HiRes::time;
571		759
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	760	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		761
574	db_put cache => "$id/data", $data;	762	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	763	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	764	db_put cache => "$id/meta", $meta;
577		765
…		…
587		775
588	=cut	776	=cut
589		777
590	sub datalog($@) {	778	sub datalog($@) {
591	my ($type, %kv) = @_;	779	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	780	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	781	}
594		782
595	=back	783	=back
596		784
597	=cut	785	=cut
598		786
599	#############################################################################	787	#############################################################################
600		788
601	=head2 ATTACHABLE OBJECTS	789	=head2 ATTACHABLE OBJECTS
602		790
603	Many objects in crossfire are so-called attachable objects. That means you can	791	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")	792	attach callbacks/event handlers (a collection of which is called an "attachment")
605	to it. All such attachable objects support the following methods.	793	to it. All such attachable objects support the following methods.
606		794
607	In the following description, CLASS can be any of C<global>, C<object>	795	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	796	C<player>, C<client> or C<map> (i.e. the attachable objects in
609	Crossfire TRT).	797	Deliantra).
610		798
611	=over 4	799	=over 4
612		800
613	=item $attachable->attach ($attachment, key => $value...)	801	=item $attachable->attach ($attachment, key => $value...)
614		802
…		…
658	=item cf::CLASS::attachment $name, ...	846	=item cf::CLASS::attachment $name, ...
659		847
660	Register an attachment by C<$name> through which attachable objects of the	848	Register an attachment by C<$name> through which attachable objects of the
661	given CLASS can refer to this attachment.	849	given CLASS can refer to this attachment.
662		850
663	Some classes such as crossfire maps and objects can specify attachments	851	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.	852	that are attached at load/instantiate time, thus the need for a name.
665		853
666	These calls expect any number of the following handler/hook descriptions:	854	These calls expect any number of the following handler/hook descriptions:
667		855
668	=over 4	856	=over 4
…		…
792		980
793	} elsif (exists $cb_id{$type}) {	981	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	982	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		983
796	} elsif (ref $type) {	984	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	985	error "attaching objects not supported, ignoring.\n";
798		986
799	} else {	987	} else {
800	shift @arg;	988	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	989	error "attach argument '$type' not supported, ignoring.\n";
802	}	990	}
803	}	991	}
804	}	992	}
805		993
806	sub _object_attach {	994	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1004	_attach $registry, $klass, @attach;
817	}	1005	}
818		1006
819	$obj->{$name} = \%arg;	1007	$obj->{$name} = \%arg;
820	} else {	1008	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1009	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1010	}
823		1011
824	$obj->{_attachment}{$name} = undef;	1012	$obj->{_attachment}{$name} = undef;
825	}	1013	}
826		1014
…		…
866	";	1054	";
867	die if $@;	1055	die if $@;
868	}	1056	}
869		1057
870	our $override;	1058	our $override;
871	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1059	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872		1060
873	sub override {	1061	sub override {
874	$override = 1;	1062	$override = 1;
875	@invoke_results = ();	1063	@INVOKE_RESULTS = (@_);
876	}	1064	}
877		1065
878	sub do_invoke {	1066	sub do_invoke {
879	my $event = shift;	1067	my $event = shift;
880	my $callbacks = shift;	1068	my $callbacks = shift;
881		1069
882	@invoke_results = ();	1070	@INVOKE_RESULTS = ();
883		1071
884	local $override;	1072	local $override;
885		1073
886	for (@$callbacks) {	1074	for (@$callbacks) {
887	eval { &{$_->[1]} };	1075	eval { &{$_->[1]} };
888		1076
889	if ($@) {	1077	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1078	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1079	override;
893	}	1080	}
894		1081
895	return 1 if $override;	1082	return 1 if $override;
896	}	1083	}
897		1084
898	0	1085	0
899	}	1086	}
900		1087
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1088	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1089
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1091
905	Generate an object-specific event with the given arguments.	1092	Generate an object-specific event with the given arguments.
906		1093
907	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1094	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	1095	removed in future versions), and there is no public API to access override
909	results (if you must, access C<@cf::invoke_results> directly).	1096	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1097
911	=back	1098	=back
912		1099
913	=cut	1100	=cut
914		1101
915	#############################################################################	1102	#############################################################################
916	# object support	1103	# object support
		1104
		1105	sub _object_equal($$);
		1106	sub _object_equal($$) {
		1107	my ($a, $b) = @_;
		1108
		1109	return 0 unless (ref $a) eq (ref $b);
		1110
		1111	if ("HASH" eq ref $a) {
		1112	my @ka = keys %$a;
		1113	my @kb = keys %$b;
		1114
		1115	return 0 if @ka != @kb;
		1116
		1117	for (0 .. $#ka) {
		1118	return 0 unless $ka[$_] eq $kb[$_];
		1119	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1120	}
		1121
		1122	} elsif ("ARRAY" eq ref $a) {
		1123
		1124	return 0 if @$a != @$b;
		1125
		1126	for (0 .. $#$a) {
		1127	return 0 unless _object_equal $a->[$_], $b->[$_];
		1128	}
		1129
		1130	} elsif ($a ne $b) {
		1131	return 0;
		1132	}
		1133
		1134	1
		1135	}
		1136
		1137	our $SLOW_MERGES;#d#
		1138	sub _can_merge {
		1139	my ($ob1, $ob2) = @_;
		1140
		1141	++$SLOW_MERGES;#d#
		1142
		1143	# we do the slow way here
		1144	return _object_equal $ob1, $ob2
		1145	}
917		1146
918	sub reattach {	1147	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1148	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1149	my ($obj) = @_;
921		1150
		1151	# no longer needed after getting rid of delete_package?
922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1152	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923		1153
924	my $registry = $obj->registry;	1154	my $registry = $obj->registry;
925		1155
926	@$registry = ();	1156	@$registry = ();
927		1157
…		…
932	for (@$attach) {	1162	for (@$attach) {
933	my ($klass, @attach) = @$_;	1163	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1164	_attach $registry, $klass, @attach;
935	}	1165	}
936	} else {	1166	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1167	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1168	}
939	}	1169	}
940	}	1170	}
941		1171
942	cf::attachable->attach (	1172	cf::attachable->attach (
943	prio => -1000000,	1173	prio => -1000000,
944	on_instantiate => sub {	1174	on_instantiate => sub {
945	my ($obj, $data) = @_;	1175	my ($obj, $data) = @_;
946		1176
947	$data = from_json $data;	1177	$data = decode_json $data;
948		1178
949	for (@$data) {	1179	for (@$data) {
950	my ($name, $args) = @$_;	1180	my ($name, $args) = @$_;
951		1181
952	$obj->attach ($name, %{$args || {} });	1182	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1198	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1199	my ($filename, $rdata, $objs) = @_;
970		1200
971	sync_job {	1201	sync_job {
972	if (length $$rdata) {	1202	if (length $$rdata) {
		1203	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1204	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1205	$decname, length $$rdata, scalar @$objs
		1206	if $VERBOSE_IO;
975		1207
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1208	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1209	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1210	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	aio_fsync $fh if $cf::USE_FSYNC;	1211	if ($cf::USE_FSYNC) {
		1212	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;
		1213	aio_fsync $fh;
		1214	}
980	close $fh;	1215	aio_close $fh;
981		1216
982	if (@$objs) {	1217	if (@$objs) {
983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1218	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984	chmod SAVE_MODE, $fh;	1219	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1220	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1221	aio_write $fh, 0, (length $data), $data, 0;
987	aio_fsync $fh if $cf::USE_FSYNC;	1222	if ($cf::USE_FSYNC) {
		1223	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;
		1224	aio_fsync $fh;
		1225	}
988	close $fh;	1226	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1227	aio_rename "$filename.pst~", "$filename.pst";
990	}	1228	}
991	} else {	1229	} else {
992	aio_unlink "$filename.pst";	1230	aio_unlink "$filename.pst";
993	}	1231	}
994		1232
995	aio_rename "$filename~", $filename;	1233	aio_rename "$filename~", $filename;
		1234
		1235	$filename =~ s%/[^/]+$%%;
		1236	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1237	} else {
997	warn "FATAL: $filename~: $!\n";	1238	error "unable to save objects: $filename~: $!\n";
998	}	1239	}
999	} else {	1240	} else {
1000	aio_unlink $filename;	1241	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1242	aio_unlink "$filename.pst";
1002	}	1243	}
1003	}	1244	};
1004	}	1245	}
1005		1246
1006	sub object_freezer_as_string {	1247	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1248	my ($rdata, $objs) = @_;
1008		1249
…		…
1020	or return;	1261	or return;
1021		1262
1022	unless (aio_stat "$filename.pst") {	1263	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1264	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1265	or return;
		1266
1025	$av = eval { (Storable::thaw $av)->{objs} };	1267	my $st = eval { Coro::Storable::thaw $av };
		1268	$av = $st->{objs};
1026	}	1269	}
1027		1270
		1271	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1272	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1273	$decname, length $data, scalar @{$av || []}
		1274	if $VERBOSE_IO;
		1275
1030	return ($data, $av);	1276	($data, $av)
1031	}	1277	}
1032		1278
1033	=head2 COMMAND CALLBACKS	1279	=head2 COMMAND CALLBACKS
1034		1280
1035	=over 4	1281	=over 4
…		…
1089	my ($name, $cb) = @_;	1335	my ($name, $cb) = @_;
1090		1336
1091	$EXTICMD{$name} = $cb;	1337	$EXTICMD{$name} = $cb;
1092	}	1338	}
1093		1339
		1340	use File::Glob ();
		1341
1094	cf::player->attach (	1342	cf::player->attach (
1095	on_command => sub {	1343	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1344	my ($pl, $name, $params) = @_;
1097		1345
1098	my $cb = $COMMAND{$name}	1346	my $cb = $COMMAND{$name}
1099	or return;	1347	or return;
1100		1348
…		…
1108	my ($pl, $buf) = @_;	1356	my ($pl, $buf) = @_;
1109		1357
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1358	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1359
1112	if (ref $msg) {	1360	if (ref $msg) {
		1361	my ($type, $reply, @payload) =
		1362	"ARRAY" eq ref $msg
		1363	? @$msg
		1364	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1365
		1366	my @reply;
		1367
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1368	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1369	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1370	}
		1371
		1372	$pl->ext_reply ($reply, @reply)
		1373	if $reply;
		1374
1118	} else {	1375	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1376	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1377	}
1121		1378
1122	cf::override;	1379	cf::override;
1123	},	1380	},
1124	);	1381	);
1125		1382
		1383	# "readahead" all extensions
		1384	sub cache_extensions {
		1385	my $grp = IO::AIO::aio_group;
		1386
		1387	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1388	for (grep /\.ext$/, @{$_[0]}) {
		1389	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1390	}
		1391	};
		1392
		1393	$grp
		1394	}
		1395
1126	sub load_extensions {	1396	sub load_extensions {
		1397	info "loading extensions...";
		1398
1127	cf::sync_job {	1399	cf::sync_job {
1128	my %todo;	1400	my %todo;
1129		1401
1130	for my $path (<$LIBDIR/*.ext>) {	1402	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1403	next unless -r $path;
…		…
1149		1421
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1422	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1423	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1424
1153	$ext{source} =	1425	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1426	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1427	. "#line 1 \"$path\"\n{\n"
1156	. $source	1428	. $source
1157	. "\n};\n1";	1429	. "\n};\n1";
1158		1430
1159	$todo{$base} = \%ext;	1431	$todo{$base} = \%ext;
1160	}	1432	}
1161		1433
		1434	my $pass = 0;
1162	my %done;	1435	my %done;
1163	while (%todo) {	1436	while (%todo) {
1164	my $progress;	1437	my $progress;
1165		1438
		1439	++$pass;
		1440
		1441	ext:
1166	while (my ($k, $v) = each %todo) {	1442	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1443	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1444	next ext
1169	unless exists $done{$_};	1445	unless exists $done{$_};
1170	}	1446	}
1171		1447
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1448	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1449
1174	unless (eval $v->{source}) {	1450	my $active = eval $v->{source};
		1451
		1452	if (length $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1453	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";	1454	undef $@; # work around perl 5.10.0 utf-8 caching bug
1177		1455
		1456	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1457	if exists $v->{meta}{mandatory};
1179	warn $msg;	1458
1180	warn "mandatory extension failed to load, exiting.\n";	1459	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1460	delete $todo{$k};
1182	}	1461	} else {
1183		1462	$done{$k} = delete $todo{$k};
1184	warn $msg;	1463	push @EXTS, $v->{pkg};
		1464	$progress = 1;
		1465
		1466	info "$v->{base}: extension inactive.\n"
		1467	unless $active;
1185	}	1468	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1469	}
1191		1470
1192	skip:	1471	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1472	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	unless $progress;	1473
		1474	while (my ($k, $v) = each %todo) {
		1475	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1476	if exists $v->{meta}{mandatory};
		1477	}
		1478	}
1195	}	1479	}
1196	};	1480	};
1197	}	1481	}
1198		1482
1199	#############################################################################	1483	#############################################################################
1200		1484
1201	=back	1485	=back
1202		1486
1203	=head2 CORE EXTENSIONS	1487	=head2 CORE EXTENSIONS
1204		1488
1205	Functions and methods that extend core crossfire objects.	1489	Functions and methods that extend core deliantra objects.
1206		1490
1207	=cut	1491	=cut
1208		1492
1209	package cf::player;	1493	package cf::player;
1210		1494
1211	use Coro::AIO;	1495	use Coro::AIO;
1212		1496
1213	=head3 cf::player	1497	=head3 cf::player
1214		1498
1215	=over 4	1499	=over 4
		1500
		1501	=item cf::player::num_playing
		1502
		1503	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1504
		1505	=cut
		1506
		1507	sub num_playing {
		1508	scalar grep
		1509	$_->ob->map
		1510	&& !$_->hidden
		1511	&& !$_->ob->flag (cf::FLAG_WIZ),
		1512	cf::player::list
		1513	}
1216		1514
1217	=item cf::player::find $login	1515	=item cf::player::find $login
1218		1516
1219	Returns the given player object, loading it if necessary (might block).	1517	Returns the given player object, loading it if necessary (might block).
1220		1518
…		…
1239		1537
1240	sub exists($) {	1538	sub exists($) {
1241	my ($login) = @_;	1539	my ($login) = @_;
1242		1540
1243	$cf::PLAYER{$login}	1541	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1542	or !aio_stat path $login
1245	}	1543	}
1246		1544
1247	sub find($) {	1545	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1546	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1547	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1554	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1555	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1556	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1557	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1558
1261	my $pl = load_pl path $login	1559	my $f = new_from_file cf::object::thawer path $login
1262	or return;	1560	or return;
		1561
		1562	my $pl = cf::player::load_pl $f
		1563	or return;
		1564
		1565	local $cf::PLAYER_LOADING{$login} = $pl;
		1566	$f->resolve_delayed_derefs;
1263	$cf::PLAYER{$login} = $pl	1567	$cf::PLAYER{$login} = $pl
1264	}	1568	}
1265	}	1569	}
1266	}	1570	}
		1571
		1572	cf::player->attach (
		1573	on_load => sub {
		1574	my ($pl, $path) = @_;
		1575
		1576	# restore slots saved in save, below
		1577	my $slots = delete $pl->{_slots};
		1578
		1579	$pl->ob->current_weapon ($slots->[0]);
		1580	$pl->combat_ob ($slots->[1]);
		1581	$pl->ranged_ob ($slots->[2]);
		1582	},
		1583	);
1267		1584
1268	sub save($) {	1585	sub save($) {
1269	my ($pl) = @_;	1586	my ($pl) = @_;
1270		1587
1271	return if $pl->{deny_save};	1588	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1593	return if $pl->{deny_save};
1277		1594
1278	aio_mkdir playerdir $pl, 0770;	1595	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1596	$pl->{last_save} = $cf::RUNTIME;
1280		1597
		1598	cf::get_slot 0.01;
		1599
		1600	# save slots, to be restored later
		1601	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1602
1281	$pl->save_pl ($path);	1603	$pl->save_pl ($path);
1282	Coro::cede;	1604	cf::cede_to_tick;
1283	}	1605	}
1284		1606
1285	sub new($) {	1607	sub new($) {
1286	my ($login) = @_;	1608	my ($login) = @_;
1287		1609
…		…
1293	$cf::PLAYER{$login} = $self;	1615	$cf::PLAYER{$login} = $self;
1294		1616
1295	$self	1617	$self
1296	}	1618	}
1297		1619
		1620	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1621
		1622	=cut
		1623
		1624	sub send_msg {
		1625	my $ns = shift->ns
		1626	or return;
		1627	$ns->send_msg (@_);
		1628	}
		1629
1298	=item $pl->quit_character	1630	=item $pl->quit_character
1299		1631
1300	Nukes the player without looking back. If logged in, the connection will	1632	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1633	be destroyed. May block for a long time.
1302		1634
…		…
1306	my ($pl) = @_;	1638	my ($pl) = @_;
1307		1639
1308	my $name = $pl->ob->name;	1640	my $name = $pl->ob->name;
1309		1641
1310	$pl->{deny_save} = 1;	1642	$pl->{deny_save} = 1;
1311	$pl->password ("*"); # this should lock out the player until we nuked the dir	1643	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1312		1644
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1645	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314	$pl->deactivate;	1646	$pl->deactivate;
		1647	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1648	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1316	$pl->ns->destroy if $pl->ns;	1649	$pl->ns->destroy if $pl->ns;
1317		1650
1318	my $path = playerdir $pl;	1651	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1652	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1355	or return [];	1688	or return [];
1356		1689
1357	my @logins;	1690	my @logins;
1358		1691
1359	for my $login (@$dirs) {	1692	for my $login (@$dirs) {
		1693	my $path = path $login;
		1694
		1695	# a .pst is a dead give-away for a valid player
		1696	# if no pst file found, open and chekc for blocked users
		1697	if (aio_stat "$path.pst") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1698	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1699	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1700	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1701	}
1363		1702
1364	utf8::decode $login;	1703	utf8::decode $login;
1365	push @logins, $login;	1704	push @logins, $login;
1366	}	1705	}
1367		1706
1368	\@logins	1707	\@logins
1369	}	1708	}
1370		1709
1371	=item $player->maps	1710	=item $player->maps
		1711
		1712	=item cf::player::maps $login
1372		1713
1373	Returns an arrayref of map paths that are private for this	1714	Returns an arrayref of map paths that are private for this
1374	player. May block.	1715	player. May block.
1375		1716
1376	=cut	1717	=cut
…		…
1394	}	1735	}
1395		1736
1396	\@paths	1737	\@paths
1397	}	1738	}
1398		1739
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1740	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1741
1401	Expand crossfire pod fragments into protocol xml.	1742	Expand deliantra pod fragments into protocol xml.
1402		1743
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)	1744	=item $player->ext_reply ($msgid, @msg)
1450		1745
1451	Sends an ext reply to the player.	1746	Sends an ext reply to the player.
1452		1747
1453	=cut	1748	=cut
1454		1749
1455	sub ext_reply($$%) {	1750	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1751	my ($self, $id, @msg) = @_;
1457		1752
1458	$msg{msgid} = $id;	1753	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1754	}
1461		1755
1462	=item $player->ext_event ($type, %msg)	1756	=item $player->ext_msg ($type, @msg)
1463		1757
1464	Sends an ext event to the client.	1758	Sends an ext event to the client.
1465		1759
1466	=cut	1760	=cut
1467		1761
1468	sub ext_event($$%) {	1762	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1763	my ($self, $type, @msg) = @_;
1470		1764
1471	$self->ns->ext_event ($type, %msg);	1765	$self->ns->ext_msg ($type, @msg);
1472	}	1766	}
1473		1767
1474	=head3 cf::region	1768	=head3 cf::region
1475		1769
1476	=over 4	1770	=over 4
…		…
1486	=cut	1780	=cut
1487		1781
1488	sub find_by_path($) {	1782	sub find_by_path($) {
1489	my ($path) = @_;	1783	my ($path) = @_;
1490		1784
		1785	$path =~ s/^~[^\/]*//; # skip ~login
		1786
1491	my ($match, $specificity);	1787	my ($match, $specificity);
1492		1788
1493	for my $region (list) {	1789	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1790	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1791	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1792	if $region->specificity > $specificity;
1497	}	1793	}
1498	}	1794	}
1499		1795
…		…
1520	our $MAX_RESET = 3600;	1816	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1817	our $DEFAULT_RESET = 3000;
1522		1818
1523	sub generate_random_map {	1819	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1820	my ($self, $rmp) = @_;
		1821
		1822	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1823
1525	# mit "rum" bekleckern, nicht	1824	# mit "rum" bekleckern, nicht
1526	$self->_create_random_map (	1825	$self->_create_random_map (
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1826	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1827	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1828	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},	1829	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},	1830	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1831	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1832	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1548		1847
1549	sub register {	1848	sub register {
1550	my (undef, $regex, $prio) = @_;	1849	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1850	my $pkg = caller;
1552		1851
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1852	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1853
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1854	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	1855	}
1558		1856
1559	# also paths starting with '/'	1857	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1858	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		1859
1562	sub thawer_merge {	1860	sub thawer_merge {
1563	my ($self, $merge) = @_;	1861	my ($self, $merge) = @_;
1564		1862
1565	# we have to keep some variables in memory intact	1863	# we have to keep some variables in memory intact
…		…
1619	$self->init; # pass $1 etc.	1917	$self->init; # pass $1 etc.
1620	return $self;	1918	return $self;
1621	}	1919	}
1622	}	1920	}
1623		1921
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	1922	Carp::cluck "unable to resolve path '$path' (base '$base').";
1625	()	1923	()
1626	}	1924	}
1627		1925
1628	sub init {	1926	sub init {
1629	my ($self) = @_;	1927	my ($self) = @_;
…		…
1651		1949
1652	# the temporary/swap location	1950	# the temporary/swap location
1653	sub save_path {	1951	sub save_path {
1654	my ($self) = @_;	1952	my ($self) = @_;
1655		1953
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1954	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	1955	"$TMPDIR/$path.map"
1658	}	1956	}
1659		1957
1660	# the unique path, undef == no special unique path	1958	# the unique path, undef == no special unique path
1661	sub uniq_path {	1959	sub uniq_path {
1662	my ($self) = @_;	1960	my ($self) = @_;
1663		1961
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1962	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	1963	"$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	}	1964	}
1676		1965
1677	sub decay_objects {	1966	sub decay_objects {
1678	my ($self) = @_;	1967	my ($self) = @_;
1679		1968
…		…
1692		1981
1693	sub load_header_from($) {	1982	sub load_header_from($) {
1694	my ($self, $path) = @_;	1983	my ($self, $path) = @_;
1695		1984
1696	utf8::encode $path;	1985	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	1986	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	1987	or return;
		1988
		1989	$self->_load_header ($f)
		1990	or return;
		1991
		1992	local $MAP_LOADING{$self->{path}} = $self;
		1993	$f->resolve_delayed_derefs;
1702		1994
1703	$self->{load_path} = $path;	1995	$self->{load_path} = $path;
1704		1996
1705	1	1997	1
1706	}	1998	}
…		…
1760	sub find {	2052	sub find {
1761	my ($path, $origin) = @_;	2053	my ($path, $origin) = @_;
1762		2054
1763	$path = normalise $path, $origin && $origin->path;	2055	$path = normalise $path, $origin && $origin->path;
1764		2056
		2057	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2058	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2059
1767	$cf::MAP{$path} || do {	2060	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2061	my $map = new_from_path cf::map $path
1770	or return;	2062	or return;
1771		2063
1772	$map->{last_save} = $cf::RUNTIME;	2064	$map->{last_save} = $cf::RUNTIME;
1773		2065
…		…
1775	or return;	2067	or return;
1776		2068
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2069	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2070	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2071	#$cf::WAIT_FOR_TICK->wait;
		2072	undef $guard2;
		2073	undef $guard1;
1780	$map->reset;	2074	$map->reset;
1781	undef $guard;
1782	return find $path;	2075	return find $path;
1783	}	2076	}
1784		2077
1785	$cf::MAP{$path} = $map	2078	$cf::MAP{$path} = $map
1786	}	2079	}
1787	}	2080	}
1788		2081
1789	sub pre_load { }	2082	sub pre_load { }
1790	sub post_load { }	2083	#sub post_load { } # XS
1791		2084
1792	sub load {	2085	sub load {
1793	my ($self) = @_;	2086	my ($self) = @_;
1794		2087
1795	local $self->{deny_reset} = 1; # loading can take a long time	2088	local $self->{deny_reset} = 1; # loading can take a long time
1796		2089
1797	my $path = $self->{path};	2090	my $path = $self->{path};
1798		2091
1799	{	2092	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2093	my $guard = cf::lock_acquire "map_data:$path";
1801		2094
		2095	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2096	return unless $self->in_memory == cf::MAP_SWAPPED;
1803		2097
1804	$self->in_memory (cf::MAP_LOADING);	2098	$self->in_memory (cf::MAP_LOADING);
1805		2099
1806	$self->alloc;	2100	$self->alloc;
1807		2101
1808	$self->pre_load;	2102	$self->pre_load;
1809	Coro::cede;	2103	cf::cede_to_tick;
1810		2104
		2105	my $f = new_from_file cf::object::thawer $self->{load_path};
		2106	$f->skip_block;
1811	$self->_load_objects ($self->{load_path}, 1)	2107	$self->_load_objects ($f)
1812	or return;	2108	or return;
1813		2109
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2110	$self->post_load_original
1815	if delete $self->{load_original};	2111	if delete $self->{load_original};
1816		2112
1817	if (my $uniq = $self->uniq_path) {	2113	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2114	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2115	unless (aio_stat $uniq) {
		2116	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2117	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2118	$self->_load_objects ($f);
		2119	$f->resolve_delayed_derefs;
		2120	}
1822	}	2121	}
1823	}	2122	}
1824		2123
1825	Coro::cede;	2124	$f->resolve_delayed_derefs;
		2125
		2126	cf::cede_to_tick;
1826	# now do the right thing for maps	2127	# now do the right thing for maps
1827	$self->link_multipart_objects;	2128	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2129	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2130	unless $self->difficulty;
1830	Coro::cede;	2131	cf::cede_to_tick;
1831		2132
1832	unless ($self->{deny_activate}) {	2133	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2134	$self->decay_objects;
1834	$self->fix_auto_apply;	2135	$self->fix_auto_apply;
1835	$self->update_buttons;	2136	$self->update_buttons;
1836	Coro::cede;	2137	cf::cede_to_tick;
1837	$self->set_darkness_map;
1838	Coro::cede;
1839	$self->activate;	2138	$self->activate;
1840	}	2139	}
1841		2140
		2141	$self->{last_save} = $cf::RUNTIME;
		2142	$self->last_access ($cf::RUNTIME);
		2143
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2144	$self->in_memory (cf::MAP_ACTIVE);
1843	}	2145	}
1844		2146
1845	$self->post_load;	2147	$self->post_load;
1846	}	2148	}
1847		2149
		2150	# customize the map for a given player, i.e.
		2151	# return the _real_ map. used by e.g. per-player
		2152	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2153	sub customise_for {
1849	my ($self, $ob) = @_;	2154	my ($self, $ob) = @_;
1850		2155
1851	return find "~" . $ob->name . "/" . $self->{path}	2156	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2157	if $self->per_player;
…		…
1856		2161
1857	$self	2162	$self
1858	}	2163	}
1859		2164
1860	# find and load all maps in the 3x3 area around a map	2165	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {	2166	sub load_neighbours {
1862	my ($map) = @_;	2167	my ($map) = @_;
1863		2168
1864	my @diag; # diagonal neighbours	2169	my @neigh; # diagonal neighbours
1865		2170
1866	for (0 .. 3) {	2171	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)	2172	my $neigh = $map->tile_path ($_)
1868	or next;	2173	or next;
1869	$neigh = find $neigh, $map	2174	$neigh = find $neigh, $map
1870	or next;	2175	or next;
1871	$neigh->load;	2176	$neigh->load;
1872		2177
		2178	# now find the diagonal neighbours
		2179	push @neigh,
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2180	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2181	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}	2182	}
1876		2183
1877	for (@diag) {	2184	for (grep defined $_->[0], @neigh) {
		2185	my ($path, $origin) = @$_;
1878	my $neigh = find @$_	2186	my $neigh = find $path, $origin
1879	or next;	2187	or next;
1880	$neigh->load;	2188	$neigh->load;
1881	}	2189	}
1882	}	2190	}
1883		2191
1884	sub find_sync {	2192	sub find_sync {
1885	my ($path, $origin) = @_;	2193	my ($path, $origin) = @_;
1886		2194
1887	cf::sync_job { find $path, $origin }	2195	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2196	if $Coro::current == $Coro::main;
		2197
		2198	find $path, $origin
1888	}	2199	}
1889		2200
1890	sub do_load_sync {	2201	sub do_load_sync {
1891	my ($map) = @_;	2202	my ($map) = @_;
1892		2203
1893	cf::sync_job { $map->load };	2204	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2205	if $Coro::current == $Coro::main;
		2206
		2207	$map->load;
1894	}	2208	}
1895		2209
1896	our %MAP_PREFETCH;	2210	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2211	our $MAP_PREFETCHER = undef;
1898		2212
1899	sub find_async {	2213	sub find_async {
1900	my ($path, $origin) = @_;	2214	my ($path, $origin, $load) = @_;
1901		2215
1902	$path = normalise $path, $origin && $origin->{path};	2216	$path = normalise $path, $origin && $origin->{path};
1903		2217
1904	if (my $map = $cf::MAP{$path}) {	2218	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2219	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906	}	2220	}
1907		2221
1908	undef $MAP_PREFETCH{$path};	2222	$MAP_PREFETCH{$path} |= $load;
		2223
1909	$MAP_PREFETCHER ||= cf::async {	2224	$MAP_PREFETCHER ||= cf::async {
		2225	$Coro::current->{desc} = "map prefetcher";
		2226
1910	while (%MAP_PREFETCH) {	2227	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2228	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2229	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2230	$map->load if $v;
		2231	}
1915		2232
1916	delete $MAP_PREFETCH{$path};	2233	delete $MAP_PREFETCH{$k};
1917	}	2234	}
1918	}	2235	}
1919	undef $MAP_PREFETCHER;	2236	undef $MAP_PREFETCHER;
1920	};	2237	};
1921	$MAP_PREFETCHER->prio (6);	2238	$MAP_PREFETCHER->prio (6);
1922		2239
1923	()	2240	()
1924	}	2241	}
1925		2242
		2243	# common code, used by both ->save and ->swapout
1926	sub save {	2244	sub _save {
1927	my ($self) = @_;	2245	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2246
1931	$self->{last_save} = $cf::RUNTIME;	2247	$self->{last_save} = $cf::RUNTIME;
1932		2248
1933	return unless $self->dirty;	2249	return unless $self->dirty;
1934		2250
…		…
1940	return if $self->{deny_save};	2256	return if $self->{deny_save};
1941		2257
1942	local $self->{last_access} = $self->last_access;#d#	2258	local $self->{last_access} = $self->last_access;#d#
1943		2259
1944	cf::async {	2260	cf::async {
		2261	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2262	$_->contr->save for $self->players;
1946	};	2263	};
		2264
		2265	cf::get_slot 0.02;
1947		2266
1948	if ($uniq) {	2267	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2268	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2269	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2270	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2271	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2272	}
1954	}	2273	}
1955		2274
		2275	sub save {
		2276	my ($self) = @_;
		2277
		2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2279
		2280	$self->_save;
		2281	}
		2282
1956	sub swap_out {	2283	sub swap_out {
1957	my ($self) = @_;	2284	my ($self) = @_;
1958		2285
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2286	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2287
		2288	return if $self->in_memory != cf::MAP_ACTIVE;
		2289	return if $self->{deny_save};
1964	return if $self->players;	2290	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2291
		2292	# first deactivate the map and "unlink" it from the core
		2293	$self->deactivate;
		2294	$_->clear_links_to ($self) for values %cf::MAP;
		2295	$self->in_memory (cf::MAP_SWAPPED);
		2296
		2297	# then atomically save
		2298	$self->_save;
		2299
		2300	# then free the map
1968	$self->clear;	2301	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2302	}
1971		2303
1972	sub reset_at {	2304	sub reset_at {
1973	my ($self) = @_;	2305	my ($self) = @_;
1974		2306
…		…
1992		2324
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2326
1995	return if $self->players;	2327	return if $self->players;
1996		2328
1997	warn "resetting map ", $self->path;	2329	cf::trace "resetting map ", $self->path, "\n";
1998		2330
1999	$self->in_memory (cf::MAP_SWAPPED);	2331	$self->in_memory (cf::MAP_SWAPPED);
2000		2332
2001	# need to save uniques path	2333	# need to save uniques path
2002	unless ($self->{deny_save}) {	2334	unless ($self->{deny_save}) {
…		…
2006	if $uniq;	2338	if $uniq;
2007	}	2339	}
2008		2340
2009	delete $cf::MAP{$self->path};	2341	delete $cf::MAP{$self->path};
2010		2342
		2343	$self->deactivate;
		2344	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2345	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2346
2015	$self->unlink_save;	2347	$self->unlink_save;
2016	$self->destroy;	2348	$self->destroy;
2017	}	2349	}
2018		2350
2019	my $nuke_counter = "aaaa";	2351	my $nuke_counter = "aaaa";
2020		2352
2021	sub nuke {	2353	sub nuke {
2022	my ($self) = @_;	2354	my ($self) = @_;
2023		2355
		2356	{
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
2024	delete $cf::MAP{$self->path};	2359	delete $cf::MAP{$self->path};
2025		2360
2026	$self->unlink_save;	2361	$self->unlink_save;
2027		2362
2028	bless $self, "cf::map";	2363	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2364	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2365	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2366	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2367	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2368
2034	$cf::MAP{$self->path} = $self;	2369	$cf::MAP{$self->path} = $self;
		2370	}
2035		2371
2036	$self->reset; # polite request, might not happen	2372	$self->reset; # polite request, might not happen
2037	}	2373	}
2038		2374
2039	=item $maps = cf::map::tmp_maps	2375	=item $maps = cf::map::tmp_maps
…		…
2081		2417
2082	sub unique_maps() {	2418	sub unique_maps() {
2083	[	2419	[
2084	map {	2420	map {
2085	utf8::decode $_;	2421	utf8::decode $_;
2086	/\.map$/	2422	s/\.map$//; # TODO future compatibility hack
		2423	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2424	? ()
2087	? normalise $_	2425	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2426	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2427	]
2091	}	2428	}
2092		2429
2093	package cf;	2430	=item cf::map::static_maps
		2431
		2432	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2433	file in the shared directory excluding F</styles> and F</editor>). May
		2434	block.
		2435
		2436	=cut
		2437
		2438	sub static_maps() {
		2439	my @dirs = "";
		2440	my @maps;
		2441
		2442	while (@dirs) {
		2443	my $dir = shift @dirs;
		2444
		2445	next if $dir eq "/styles" || $dir eq "/editor";
		2446
		2447	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2448	or return;
		2449
		2450	for (@$files) {
		2451	s/\.map$// or next;
		2452	utf8::decode $_;
		2453	push @maps, "$dir/$_";
		2454	}
		2455
		2456	push @dirs, map "$dir/$_", @$dirs;
		2457	}
		2458
		2459	\@maps
		2460	}
2094		2461
2095	=back	2462	=back
2096		2463
2097	=head3 cf::object	2464	=head3 cf::object
2098		2465
…		…
2102		2469
2103	=over 4	2470	=over 4
2104		2471
2105	=item $ob->inv_recursive	2472	=item $ob->inv_recursive
2106		2473
2107	Returns the inventory of the object _and_ their inventories, recursively.	2474	Returns the inventory of the object I<and> their inventories, recursively,
		2475	but I<not> the object itself.
2108		2476
2109	=cut	2477	=cut
2110		2478
2111	sub inv_recursive_;	2479	sub inv_recursive_;
2112	sub inv_recursive_ {	2480	sub inv_recursive_ {
…		…
2115		2483
2116	sub inv_recursive {	2484	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2485	inv_recursive_ inv $_[0]
2118	}	2486	}
2119		2487
		2488	=item $ref = $ob->ref
		2489
		2490	Creates and returns a persistent reference to an object that can be stored as a string.
		2491
		2492	=item $ob = cf::object::deref ($refstring)
		2493
		2494	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2495	even if the object actually exists. May block.
		2496
		2497	=cut
		2498
		2499	sub deref {
		2500	my ($ref) = @_;
		2501
		2502	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2503	my ($uuid, $name) = ($1, $2);
		2504	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2505	or return;
		2506	$pl->ob->uuid eq $uuid
		2507	or return;
		2508
		2509	$pl->ob
		2510	} else {
		2511	warn "$ref: cannot resolve object reference\n";
		2512	undef
		2513	}
		2514	}
		2515
2120	package cf;	2516	package cf;
2121		2517
2122	=back	2518	=back
2123		2519
2124	=head3 cf::object::player	2520	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2526	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	2527	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2528	dialogue with the given NPC character.
2133		2529
2134	=cut	2530	=cut
		2531
		2532	our $SAY_CHANNEL = {
		2533	id => "say",
		2534	title => "Map",
		2535	reply => "say ",
		2536	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2537	};
		2538
		2539	our $CHAT_CHANNEL = {
		2540	id => "chat",
		2541	title => "Chat",
		2542	reply => "chat ",
		2543	tooltip => "Player chat and shouts, global to the server.",
		2544	};
2135		2545
2136	# rough implementation of a future "reply" method that works	2546	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2547	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2548	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2549	sub cf::object::player::reply($$$;$) {
…		…
2146		2556
2147	} else {	2557	} else {
2148	my $pl = $self->contr;	2558	my $pl = $self->contr;
2149		2559
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2560	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2561	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2562	$dialog->{pl}->ext_msg ($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		2563
2159	} else {	2564	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2565	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2566	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2567	}
2163	}	2568	}
		2569	}
		2570
		2571	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2572
		2573	=cut
		2574
		2575	sub cf::object::send_msg {
		2576	my $pl = shift->contr
		2577	or return;
		2578	$pl->send_msg (@_);
2164	}	2579	}
2165		2580
2166	=item $player_object->may ("access")	2581	=item $player_object->may ("access")
2167		2582
2168	Returns wether the given player is authorized to access resource "access"	2583	Returns wether the given player is authorized to access resource "access"
…		…
2181		2596
2182	=item $player_object->enter_link	2597	=item $player_object->enter_link
2183		2598
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2599	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2600
2186	The player should be reasonably safe there for short amounts of time. You	2601	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.	2602	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2603	though, as the player cannot control the character while it is on the link
		2604	map.
2188		2605
2189	Will never block.	2606	Will never block.
2190		2607
2191	=item $player_object->leave_link ($map, $x, $y)	2608	=item $player_object->leave_link ($map, $x, $y)
2192		2609
…		…
2212	sub cf::object::player::enter_link {	2629	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2630	my ($self) = @_;
2214		2631
2215	$self->deactivate_recursive;	2632	$self->deactivate_recursive;
2216		2633
		2634	++$self->{_link_recursion};
		2635
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2636	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2637
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2638	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2639	if $self->map && $self->map->{path} ne "{link}";
2221		2640
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2641	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2642	}
2224		2643
2225	sub cf::object::player::leave_link {	2644	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2645	my ($self, $map, $x, $y) = @_;
2227		2646
…		…
2244	($x, $y) = (-1, -1)	2663	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2664	unless (defined $x) && (defined $y);
2246		2665
2247	# use -1 or undef as default coordinates, not 0, 0	2666	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2667	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2668	if $x <= 0 && $y <= 0;
2250		2669
2251	$map->load;	2670	$map->load;
2252	$map->load_diag;	2671	$map->load_neighbours;
2253		2672
2254	return unless $self->contr->active;	2673	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2674
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2675	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2676	if ($self->enter_map ($map, $x, $y)) {
2259	}	2677	# entering was successful
		2678	delete $self->{_link_recursion};
		2679	# only activate afterwards, to support waiting in hooks
		2680	$self->activate_recursive;
		2681	}
2260		2682
		2683	}
		2684
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2685	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2686
2263	Moves the player to the given map-path and coordinates by first freezing	2687	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	2688	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	2689	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2690	the new (success) or old (failed) map position. In either case, $done will
		2691	be called at the end of this process.
		2692
		2693	Note that $check will be called with a potentially non-loaded map, so if
		2694	it needs a loaded map it has to call C<< ->load >>.
2267		2695
2268	=cut	2696	=cut
2269		2697
2270	our $GOTOGEN;	2698	our $GOTOGEN;
2271		2699
2272	sub cf::object::player::goto {	2700	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2701	my ($self, $path, $x, $y, $check, $done) = @_;
		2702
		2703	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2704	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2705	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2706	($path, $x, $y) = @$EMERGENCY_POSITION;
		2707	}
2274		2708
2275	# do generation counting so two concurrent goto's will be executed in-order	2709	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2710	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2711
2278	$self->enter_link;	2712	$self->enter_link;
2279		2713
2280	(async {	2714	(async {
		2715	$Coro::current->{desc} = "player::goto $path $x $y";
		2716
		2717	# *tag paths override both path and x|y
		2718	if ($path =~ /^\*(.*)$/) {
		2719	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2720	my $ob = $obs[rand @obs];
		2721
		2722	# see if we actually can go there
		2723	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2724	$ob = $obs[rand @obs];
		2725	} else {
		2726	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2727	}
		2728	# else put us there anyways for now #d#
		2729
		2730	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2731	} else {
		2732	($path, $x, $y) = (undef, undef, undef);
		2733	}
		2734	}
		2735
2281	my $map = eval {	2736	my $map = eval {
2282	my $map = cf::map::find $path;	2737	my $map = defined $path ? cf::map::find $path : undef;
2283		2738
2284	if ($map) {	2739	if ($map) {
2285	$map = $map->customise_for ($self);	2740	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2741	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2742	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2743	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2744	}
2290		2745
2291	$map	2746	$map
2292	};	2747	};
2293		2748
…		…
2298		2753
2299	if ($gen == $self->{_goto_generation}) {	2754	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2755	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2756	$self->leave_link ($map, $x, $y);
2302	}	2757	}
		2758
		2759	$done->($self) if $done;
2303	})->prio (1);	2760	})->prio (1);
2304	}	2761	}
2305		2762
2306	=item $player_object->enter_exit ($exit_object)	2763	=item $player_object->enter_exit ($exit_object)
2307		2764
…		…
2327	}	2784	}
2328		2785
2329	sub prepare_random_map {	2786	sub prepare_random_map {
2330	my ($exit) = @_;	2787	my ($exit) = @_;
2331		2788
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2789	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2790	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2791	# that depends on the exit object
2337		2792
2338	my $rmp = parse_random_map_params $exit->msg;	2793	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2795	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2796	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2797	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2798	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2799	$rmp->{origin_y} = $exit->y;
		2800
		2801	$exit->map->touch;
2345	}	2802	}
2346		2803
2347	$rmp->{random_seed} ||= $exit->random_seed;	2804	$rmp->{random_seed} ||= $exit->random_seed;
2348		2805
2349	my $data = cf::to_json $rmp;	2806	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2807	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2808	my $meta = "$RANDOMDIR/$md5.meta";
2352		2809
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2810	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2811	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2812	undef $fh;
2356	aio_rename "$meta~", $meta;	2813	aio_rename "$meta~", $meta;
2357		2814
		2815	my $slaying = "?random/$md5";
		2816
		2817	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2818	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2819	$exit->msg (undef);
		2820	}
2360	}	2821	}
2361	}	2822	}
2362		2823
2363	sub cf::object::player::enter_exit {	2824	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2825	my ($self, $exit) = @_;
2365		2826
2366	return unless $self->type == cf::PLAYER;	2827	return unless $self->type == cf::PLAYER;
2367		2828
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2829	$self->enter_link;
2380		2830
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2831	(async {
2386	$self->deactivate_recursive; # just to be sure	2832	$Coro::current->{desc} = "enter_exit";
		2833
2387	unless (eval {	2834	unless (eval {
		2835	$self->deactivate_recursive; # just to be sure
		2836
		2837	# random map handling
		2838	{
		2839	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2840
		2841	prepare_random_map $exit
		2842	if $exit->slaying eq "/!";
		2843	}
		2844
		2845	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2846	my $x = $exit->stats->hp;
		2847	my $y = $exit->stats->sp;
		2848
2388	$self->goto ($slaying, $hp, $sp);	2849	$self->goto ($map, $x, $y);
2389		2850
		2851	# if exit is damned, update players death & WoR home-position
		2852	$self->contr->savebed ($map, $x, $y)
		2853	if $exit->flag (cf::FLAG_DAMNED);
		2854
2390	1;	2855	1
2391	}) {	2856	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	2857	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	2858	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	2859	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	2860	cf::NDI_UNIQUE | cf::NDI_RED);
2396		2861
2397	warn "ERROR in enter_exit: $@";	2862	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	2863	$self->leave_link;
2399	}	2864	}
2400	})->prio (1);	2865	})->prio (1);
2401	}	2866	}
2402		2867
…		…
2416		2881
2417	utf8::encode $text;	2882	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2883	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	2884	}
2420		2885
		2886	=item $client->send_big_packet ($pkt)
		2887
		2888	Like C<send_packet>, but tries to compress large packets, and fragments
		2889	them as required.
		2890
		2891	=cut
		2892
		2893	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2894
		2895	sub cf::client::send_big_packet {
		2896	my ($self, $pkt) = @_;
		2897
		2898	# try lzf for large packets
		2899	$pkt = "lzf " . Compress::LZF::compress $pkt
		2900	if 1024 <= length $pkt and $self->{can_lzf};
		2901
		2902	# split very large packets
		2903	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2904	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2905	$pkt = "frag";
		2906	}
		2907
		2908	$self->send_packet ($pkt);
		2909	}
		2910
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	2911	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		2912
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	2913	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	2914	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	2915	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	2916	the message unless the client supports the msg packet.
2427		2917
2428	=cut	2918	=cut
2429		2919
		2920	# non-persistent channels (usually the info channel)
		2921	our %CHANNEL = (
		2922	"c/motd" => {
		2923	id => "infobox",
		2924	title => "MOTD",
		2925	reply => undef,
		2926	tooltip => "The message of the day",
		2927	},
		2928	"c/identify" => {
		2929	id => "infobox",
		2930	title => "Identify",
		2931	reply => undef,
		2932	tooltip => "Items recently identified",
		2933	},
		2934	"c/examine" => {
		2935	id => "infobox",
		2936	title => "Examine",
		2937	reply => undef,
		2938	tooltip => "Signs and other items you examined",
		2939	},
		2940	"c/shopinfo" => {
		2941	id => "infobox",
		2942	title => "Shop Info",
		2943	reply => undef,
		2944	tooltip => "What your bargaining skill tells you about the shop",
		2945	},
		2946	"c/book" => {
		2947	id => "infobox",
		2948	title => "Book",
		2949	reply => undef,
		2950	tooltip => "The contents of a note or book",
		2951	},
		2952	"c/lookat" => {
		2953	id => "infobox",
		2954	title => "Look",
		2955	reply => undef,
		2956	tooltip => "What you saw there",
		2957	},
		2958	"c/who" => {
		2959	id => "infobox",
		2960	title => "Players",
		2961	reply => undef,
		2962	tooltip => "Shows players who are currently online",
		2963	},
		2964	"c/body" => {
		2965	id => "infobox",
		2966	title => "Body Parts",
		2967	reply => undef,
		2968	tooltip => "Shows which body parts you posess and are available",
		2969	},
		2970	"c/statistics" => {
		2971	id => "infobox",
		2972	title => "Statistics",
		2973	reply => undef,
		2974	tooltip => "Shows your primary statistics",
		2975	},
		2976	"c/skills" => {
		2977	id => "infobox",
		2978	title => "Skills",
		2979	reply => undef,
		2980	tooltip => "Shows your experience per skill and item power",
		2981	},
		2982	"c/shopitems" => {
		2983	id => "infobox",
		2984	title => "Shop Items",
		2985	reply => undef,
		2986	tooltip => "Shows the items currently for sale in this shop",
		2987	},
		2988	"c/resistances" => {
		2989	id => "infobox",
		2990	title => "Resistances",
		2991	reply => undef,
		2992	tooltip => "Shows your resistances",
		2993	},
		2994	"c/pets" => {
		2995	id => "infobox",
		2996	title => "Pets",
		2997	reply => undef,
		2998	tooltip => "Shows information abotu your pets/a specific pet",
		2999	},
		3000	"c/perceiveself" => {
		3001	id => "infobox",
		3002	title => "Perceive Self",
		3003	reply => undef,
		3004	tooltip => "You gained detailed knowledge about yourself",
		3005	},
		3006	"c/uptime" => {
		3007	id => "infobox",
		3008	title => "Uptime",
		3009	reply => undef,
		3010	tooltip => "How long the server has been running since last restart",
		3011	},
		3012	"c/mapinfo" => {
		3013	id => "infobox",
		3014	title => "Map Info",
		3015	reply => undef,
		3016	tooltip => "Information related to the maps",
		3017	},
		3018	"c/party" => {
		3019	id => "party",
		3020	title => "Party",
		3021	reply => "gsay ",
		3022	tooltip => "Messages and chat related to your party",
		3023	},
		3024	"c/death" => {
		3025	id => "death",
		3026	title => "Death",
		3027	reply => undef,
		3028	tooltip => "Reason for and more info about your most recent death",
		3029	},
		3030	"c/say" => $SAY_CHANNEL,
		3031	"c/chat" => $CHAT_CHANNEL,
		3032	);
		3033
2430	sub cf::client::send_msg {	3034	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3035	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3036
2433	$msg = $self->pl->expand_cfpod ($msg);	3037	$msg = $self->pl->expand_cfpod ($msg)
		3038	unless $color & cf::NDI_VERBATIM;
		3039
		3040	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3041
		3042	# check predefined channels, for the benefit of C
		3043	if ($CHANNEL{$channel}) {
		3044	$channel = $CHANNEL{$channel};
		3045
		3046	$self->ext_msg (channel_info => $channel);
		3047	$channel = $channel->{id};
		3048
		3049	} elsif (ref $channel) {
		3050	# send meta info to client, if not yet sent
		3051	unless (exists $self->{channel}{$channel->{id}}) {
		3052	$self->{channel}{$channel->{id}} = $channel;
		3053	$self->ext_msg (channel_info => $channel);
		3054	}
		3055
		3056	$channel = $channel->{id};
		3057	}
2434		3058
2435	return unless @extra || length $msg;	3059	return unless @extra || length $msg;
2436		3060
2437	if ($self->can_msg) {	3061	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3062	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3063	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3064
2450	if ($color >= 0) {	3065	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3066	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3067	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3068	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3069
		3070	$self->send_big_packet ($pkt);
		3071	}
		3072
2461	=item $client->ext_event ($type, %msg)	3073	=item $client->ext_msg ($type, @msg)
2462		3074
2463	Sends an ext event to the client.	3075	Sends an ext event to the client.
2464		3076
2465	=cut	3077	=cut
2466		3078
2467	sub cf::client::ext_event($$%) {	3079	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3080	my ($self, $type, @msg) = @_;
2469		3081
		3082	if ($self->extcmd == 2) {
		3083	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3084	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3085	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3086	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3087	}
		3088	}
		3089
		3090	=item $client->ext_reply ($msgid, @msg)
		3091
		3092	Sends an ext reply to the client.
		3093
		3094	=cut
		3095
		3096	sub cf::client::ext_reply($$@) {
		3097	my ($self, $id, @msg) = @_;
		3098
		3099	if ($self->extcmd == 2) {
		3100	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3101	} elsif ($self->extcmd == 1) {
		3102	#TODO: version 1, remove
		3103	unshift @msg, msgtype => "reply", msgid => $id;
		3104	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3105	}
2472	}	3106	}
2473		3107
2474	=item $success = $client->query ($flags, "text", \&cb)	3108	=item $success = $client->query ($flags, "text", \&cb)
2475		3109
2476	Queues a query to the client, calling the given callback with	3110	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3165	my ($ns, $buf) = @_;
2532		3166
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3167	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3168
2535	if (ref $msg) {	3169	if (ref $msg) {
		3170	my ($type, $reply, @payload) =
		3171	"ARRAY" eq ref $msg
		3172	? @$msg
		3173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3174
		3175	my @reply;
		3176
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3177	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3178	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3179	}
		3180
		3181	$ns->ext_reply ($reply, @reply)
		3182	if $reply;
		3183
2542	} else {	3184	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3185	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3186	}
2545		3187
2546	cf::override;	3188	cf::override;
2547	},	3189	},
2548	);	3190	);
…		…
2568		3210
2569	$coro	3211	$coro
2570	}	3212	}
2571		3213
2572	cf::client->attach (	3214	cf::client->attach (
2573	on_destroy => sub {	3215	on_client_destroy => sub {
2574	my ($ns) = @_;	3216	my ($ns) = @_;
2575		3217
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3218	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3219	},
2578	);	3220	);
…		…
2593	our $safe = new Safe "safe";	3235	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3236	our $safe_hole = new Safe::Hole;
2595		3237
2596	$SIG{FPE} = 'IGNORE';	3238	$SIG{FPE} = 'IGNORE';
2597		3239
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3240	$safe->permit_only (Opcode::opset qw(
		3241	:base_core :base_mem :base_orig :base_math :base_loop
		3242	grepstart grepwhile mapstart mapwhile
		3243	sort time
		3244	));
2599		3245
2600	# here we export the classes and methods available to script code	3246	# here we export the classes and methods available to script code
2601		3247
2602	=pod	3248	=pod
2603		3249
2604	The following functions and methods are available within a safe environment:	3250	The following functions and methods are available within a safe environment:
2605		3251
2606	cf::object	3252	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3253	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3254	insert remove name archname title slaying race decrease split
		3255	value
2609		3256
2610	cf::object::player	3257	cf::object::player
2611	player	3258	player
2612		3259
2613	cf::player	3260	cf::player
…		…
2618		3265
2619	=cut	3266	=cut
2620		3267
2621	for (	3268	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3269	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3270	insert remove inv nrof name archname title slaying race
		3271	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3272	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3273	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3274	["cf::map" => qw(trigger)],
2627	) {	3275	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3276	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3277	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3278	for @funs;
2632	}	3279	}
2633		3280
…		…
2648		3295
2649	my $qcode = $code;	3296	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3297	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3298	$qcode =~ s/\n/\\n/g;
2652		3299
		3300	%vars = (_dummy => 0) unless %vars;
		3301
		3302	my @res;
2653	local $_;	3303	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3304
2656	my $eval =	3305	my $eval =
2657	"do {\n"	3306	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3307	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3308	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3309	. $code
2661	. "\n}"	3310	. "\n}"
2662	;	3311	;
2663		3312
		3313	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3314	sub_generation_inc;
		3315	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3316	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3317	sub_generation_inc;
		3318	} else {
		3319	local @cf::_safe_eval_args = values %vars;
		3320	@res = wantarray ? eval eval : scalar eval $eval;
		3321	}
2667		3322
2668	if ($@) {	3323	if ($@) {
2669	warn "$@";	3324	warn "$@",
2670	warn "while executing safe code '$code'\n";	3325	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3326	"with arguments " . (join " ", %vars) . "\n";
2672	}	3327	}
2673		3328
2674	wantarray ? @res : $res[0]	3329	wantarray ? @res : $res[0]
2675	}	3330	}
2676		3331
…		…
2690	=cut	3345	=cut
2691		3346
2692	sub register_script_function {	3347	sub register_script_function {
2693	my ($fun, $cb) = @_;	3348	my ($fun, $cb) = @_;
2694		3349
2695	no strict 'refs';	3350	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3351	*$fun = $safe_hole->wrap ($cb);
2697	}	3352	}
2698		3353
2699	=back	3354	=back
2700		3355
2701	=cut	3356	=cut
…		…
2704	# the server's init and main functions	3359	# the server's init and main functions
2705		3360
2706	sub load_facedata($) {	3361	sub load_facedata($) {
2707	my ($path) = @_;	3362	my ($path) = @_;
2708		3363
		3364	# HACK to clear player env face cache, we need some signal framework
		3365	# for this (global event?)
		3366	%ext::player_env::MUSIC_FACE_CACHE = ();
		3367
		3368	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3369
2709	warn "loading facedata from $path\n";	3370	trace "loading facedata from $path\n";
2710		3371
2711	my $facedata;	3372	my $facedata;
2712	0 < aio_load $path, $facedata	3373	0 < aio_load $path, $facedata
2713	or die "$path: $!";	3374	or die "$path: $!";
2714		3375
2715	$facedata = Coro::Storable::thaw $facedata;	3376	$facedata = Coro::Storable::thaw $facedata;
2716		3377
2717	$facedata->{version} == 2	3378	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3379	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3380
		3381	# patch in the exptable
		3382	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3383	$facedata->{resource}{"res/exp_table"} = {
		3384	type => FT_RSRC,
		3385	data => $exp_table,
		3386	hash => (Digest::MD5::md5 $exp_table),
		3387	};
		3388	cf::cede_to_tick;
		3389
2720	{	3390	{
2721	my $faces = $facedata->{faceinfo};	3391	my $faces = $facedata->{faceinfo};
2722		3392
2723	while (my ($face, $info) = each %$faces) {	3393	while (my ($face, $info) = each %$faces) {
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3395
2725	cf::face::set_visibility $idx, $info->{visibility};	3396	cf::face::set_visibility $idx, $info->{visibility};
2726	cf::face::set_magicmap $idx, $info->{magicmap};	3397	cf::face::set_magicmap $idx, $info->{magicmap};
2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3398	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3399	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2729		3400
2730	cf::cede_to_tick;	3401	cf::cede_to_tick;
2731	}	3402	}
2732		3403
2733	while (my ($face, $info) = each %$faces) {	3404	while (my ($face, $info) = each %$faces) {
2734	next unless $info->{smooth};	3405	next unless $info->{smooth};
		3406
2735	my $idx = cf::face::find $face	3407	my $idx = cf::face::find $face
2736	or next;	3408	or next;
		3409
2737	if (my $smooth = cf::face::find $info->{smooth}) {	3410	if (my $smooth = cf::face::find $info->{smooth}) {
2738	cf::face::set_smooth $idx, $smooth;	3411	cf::face::set_smooth $idx, $smooth;
2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3412	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2740	} else {	3413	} else {
2741	warn "smooth face '$info->{smooth}' not found for face '$face'";	3414	error "smooth face '$info->{smooth}' not found for face '$face'";
2742	}	3415	}
2743		3416
2744	cf::cede_to_tick;	3417	cf::cede_to_tick;
2745	}	3418	}
2746	}	3419	}
…		…
2755		3428
2756	cf::anim::invalidate_all; # d'oh	3429	cf::anim::invalidate_all; # d'oh
2757	}	3430	}
2758		3431
2759	{	3432	{
2760	# TODO: for gcfclient pleasure, we should give resources
2761	# that gcfclient doesn't grok a >10000 face index.
2762	my $res = $facedata->{resource};	3433	my $res = $facedata->{resource};
2763	my $enc = JSON::XS->new->utf8->canonical;
2764		3434
2765	while (my ($name, $info) = each %$res) {	3435	while (my ($name, $info) = each %$res) {
2766	my $meta = $enc->encode ({	3436	if (defined $info->{type}) {
2767	name => $name,
2768	type => $info->{type},
2769	copyright => $info->{copyright},
2770	});
2771	my $data = pack "(w/a*)*", $meta, $info->{data};
2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2773
2774	use Data::Dumper; warn Dumper substr $data, 0, 100;#d#
2775
2776	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3437	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3438
		3439	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2777	cf::face::set_type $idx, 1;	3440	cf::face::set_type $idx, $info->{type};
2778	cf::face::set_data $idx, 0, $data, $chk;	3441	} else {
		3442	$RESOURCE{$name} = $info; # unused
		3443	}
2779		3444
2780	# TODO
2781	cf::cede_to_tick;	3445	cf::cede_to_tick;
2782	}	3446	}
2783	}	3447	}
2784		3448
		3449	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3450
2785	1	3451	1
2786	}	3452	}
2787		3453
		3454	register_exticmd fx_want => sub {
		3455	my ($ns, $want) = @_;
		3456
		3457	while (my ($k, $v) = each %$want) {
		3458	$ns->fx_want ($k, $v);
		3459	}
		3460	};
		3461
		3462	sub load_resource_file($) {
		3463	my $guard = lock_acquire "load_resource_file";
		3464
		3465	my $status = load_resource_file_ $_[0];
		3466	get_slot 0.1, 100;
		3467	cf::arch::commit_load;
		3468
		3469	$status
		3470	}
		3471
2788	sub reload_regions {	3472	sub reload_regions {
		3473	# HACK to clear player env face cache, we need some signal framework
		3474	# for this (global event?)
		3475	%ext::player_env::MUSIC_FACE_CACHE = ();
		3476
2789	load_resource_file "$MAPDIR/regions"	3477	load_resource_file "$MAPDIR/regions"
2790	or die "unable to load regions file\n";	3478	or die "unable to load regions file\n";
		3479
		3480	for (cf::region::list) {
		3481	$_->{match} = qr/$_->{match}/
		3482	if exists $_->{match};
		3483	}
2791	}	3484	}
2792		3485
2793	sub reload_facedata {	3486	sub reload_facedata {
2794	load_facedata "$DATADIR/facedata"	3487	load_facedata "$DATADIR/facedata"
2795	or die "unable to load facedata\n";	3488	or die "unable to load facedata\n";
2796	}	3489	}
2797		3490
2798	sub reload_archetypes {	3491	sub reload_archetypes {
2799	load_resource_file "$DATADIR/archetypes"	3492	load_resource_file "$DATADIR/archetypes"
2800	or die "unable to load archetypes\n";	3493	or die "unable to load archetypes\n";
2801	#d# NEED to laod twice to resolve forward references
2802	# this really needs to be done in an extra post-pass
2803	# (which needs to be synchronous, so solve it differently)
2804	load_resource_file "$DATADIR/archetypes"
2805	or die "unable to load archetypes\n";
2806	}	3494	}
2807		3495
2808	sub reload_treasures {	3496	sub reload_treasures {
2809	load_resource_file "$DATADIR/treasures"	3497	load_resource_file "$DATADIR/treasures"
2810	or die "unable to load treasurelists\n";	3498	or die "unable to load treasurelists\n";
2811	}	3499	}
2812		3500
		3501	sub reload_sound {
		3502	trace "loading sound config from $DATADIR/sound\n";
		3503
		3504	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3505	or die "$DATADIR/sound $!";
		3506
		3507	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3508
		3509	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3510	my $sound = $soundconf->{compat}[$_]
		3511	or next;
		3512
		3513	my $face = cf::face::find "sound/$sound->[1]";
		3514	cf::sound::set $sound->[0] => $face;
		3515	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3516	}
		3517
		3518	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3519	my $face = cf::face::find "sound/$v";
		3520	cf::sound::set $k => $face;
		3521	}
		3522	}
		3523
2813	sub reload_resources {	3524	sub reload_resources {
2814	warn "reloading resource files...\n";	3525	trace "reloading resource files...\n";
2815		3526
		3527	reload_facedata;
		3528	reload_sound;
		3529	reload_archetypes;
2816	reload_regions;	3530	reload_regions;
2817	reload_facedata;
2818	#reload_archetypes;#d#
2819	reload_archetypes;
2820	reload_treasures;	3531	reload_treasures;
2821		3532
2822	warn "finished reloading resource files\n";	3533	trace "finished reloading resource files\n";
2823	}	3534	}
2824		3535
2825	sub init {	3536	sub reload_config {
2826	reload_resources;	3537	trace "reloading config file...\n";
2827	}
2828		3538
2829	sub cfg_load {
2830	open my $fh, "<:utf8", "$CONFDIR/config"	3539	open my $fh, "<:utf8", "$CONFDIR/config"
2831	or return;	3540	or return;
2832		3541
2833	local $/;	3542	local $/;
2834	*CFG = YAML::Syck::Load <$fh>;	3543	*CFG = YAML::XS::Load scalar <$fh>;
2835		3544
2836	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3545	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2837		3546
2838	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3547	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2839	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3548	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2840		3549
2841	if (exists $CFG{mlockall}) {	3550	if (exists $CFG{mlockall}) {
…		…
2843	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3552	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2844	and die "WARNING: m(un)lockall failed: $!\n";	3553	and die "WARNING: m(un)lockall failed: $!\n";
2845	};	3554	};
2846	warn $@ if $@;	3555	warn $@ if $@;
2847	}	3556	}
		3557
		3558	trace "finished reloading resource files\n";
		3559	}
		3560
		3561	sub pidfile() {
		3562	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3563	or die "$PIDFILE: $!";
		3564	flock $fh, &Fcntl::LOCK_EX
		3565	or die "$PIDFILE: flock: $!";
		3566	$fh
		3567	}
		3568
		3569	# make sure only one server instance is running at any one time
		3570	sub atomic {
		3571	my $fh = pidfile;
		3572
		3573	my $pid = <$fh>;
		3574	kill 9, $pid if $pid > 0;
		3575
		3576	seek $fh, 0, 0;
		3577	print $fh $$;
		3578	}
		3579
		3580	sub main_loop {
		3581	trace "EV::loop starting\n";
		3582	if (1) {
		3583	EV::loop;
		3584	}
		3585	trace "EV::loop returned\n";
		3586	goto &main_loop unless $REALLY_UNLOOP;
2848	}	3587	}
2849		3588
2850	sub main {	3589	sub main {
		3590	cf::init_globals; # initialise logging
		3591
		3592	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3593	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3594	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3595	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3596
		3597	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3598
2851	# we must not ever block the main coroutine	3599	# we must not ever block the main coroutine
2852	local $Coro::idle = sub {	3600	local $Coro::idle = sub {
2853	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3601	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2854	(async {	3602	(async {
2855	Event::one_event;	3603	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3604	EV::loop EV::LOOP_ONESHOT;
2856	})->prio (Coro::PRIO_MAX);	3605	})->prio (Coro::PRIO_MAX);
2857	};	3606	};
2858		3607
2859	cfg_load;	3608	evthread_start IO::AIO::poll_fileno;
		3609
		3610	cf::sync_job {
		3611	cf::init_experience;
		3612	cf::init_anim;
		3613	cf::init_attackmess;
		3614	cf::init_dynamic;
		3615
		3616	cf::load_settings;
		3617	cf::load_materials;
		3618
		3619	reload_resources;
		3620	reload_config;
2860	db_init;	3621	db_init;
		3622
		3623	cf::init_uuid;
		3624	cf::init_signals;
		3625	cf::init_skills;
		3626
		3627	cf::init_beforeplay;
		3628
		3629	atomic;
		3630
2861	load_extensions;	3631	load_extensions;
2862		3632
2863	$TICK_WATCHER->start;	3633	utime time, time, $RUNTIMEFILE;
2864	Event::loop;	3634
		3635	# no (long-running) fork's whatsoever before this point(!)
		3636	use POSIX ();
		3637	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3638
		3639	(pop @POST_INIT)->(0) while @POST_INIT;
		3640	};
		3641
		3642	cf::object::thawer::errors_are_fatal 0;
		3643	info "parse errors in files are no longer fatal from this point on.\n";
		3644
		3645	main_loop;
2865	}	3646	}
2866		3647
2867	#############################################################################	3648	#############################################################################
2868	# initialisation and cleanup	3649	# initialisation and cleanup
2869		3650
2870	# install some emergency cleanup handlers	3651	# install some emergency cleanup handlers
2871	BEGIN {	3652	BEGIN {
		3653	our %SIGWATCHER = ();
2872	for my $signal (qw(INT HUP TERM)) {	3654	for my $signal (qw(INT HUP TERM)) {
2873	Event->signal (	3655	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2874	reentrant => 0,
2875	data => WF_AUTOCANCEL,
2876	signal => $signal,
2877	prio => 0,
2878	cb => sub {
2879	cf::cleanup "SIG$signal";	3656	cf::cleanup "SIG$signal";
2880	},
2881	);	3657	};
2882	}	3658	}
2883	}	3659	}
2884		3660
2885	sub write_runtime {	3661	sub write_runtime_sync {
2886	my $runtime = "$LOCALDIR/runtime";	3662	my $t0 = AE::time;
2887		3663
2888	# first touch the runtime file to show we are still running:	3664	# first touch the runtime file to show we are still running:
2889	# the fsync below can take a very very long time.	3665	# the fsync below can take a very very long time.
2890		3666
2891	IO::AIO::aio_utime $runtime, undef, undef;	3667	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2892		3668
2893	my $guard = cf::lock_acquire "write_runtime";	3669	my $guard = cf::lock_acquire "write_runtime";
2894		3670
2895	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3671	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2896	or return;	3672	or return;
2897		3673
2898	my $value = $cf::RUNTIME + 90 + 10;	3674	my $value = $cf::RUNTIME + 90 + 10;
2899	# 10 is the runtime save interval, for a monotonic clock	3675	# 10 is the runtime save interval, for a monotonic clock
2900	# 60 allows for the watchdog to kill the server.	3676	# 60 allows for the watchdog to kill the server.
…		…
2910	aio_utime $fh, undef, undef;	3686	aio_utime $fh, undef, undef;
2911		3687
2912	close $fh	3688	close $fh
2913	or return;	3689	or return;
2914		3690
2915	aio_rename "$runtime~", $runtime	3691	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2916	and return;	3692	and return;
2917		3693
2918	warn "runtime file written.\n";	3694	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2919		3695
2920	1	3696	1
		3697	}
		3698
		3699	our $uuid_lock;
		3700	our $uuid_skip;
		3701
		3702	sub write_uuid_sync($) {
		3703	$uuid_skip ||= $_[0];
		3704
		3705	return if $uuid_lock;
		3706	local $uuid_lock = 1;
		3707
		3708	my $uuid = "$LOCALDIR/uuid";
		3709
		3710	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3711	or return;
		3712
		3713	my $value = uuid_seq uuid_cur;
		3714
		3715	unless ($value) {
		3716	info "cowardly refusing to write zero uuid value!\n";
		3717	return;
		3718	}
		3719
		3720	my $value = uuid_str $value + $uuid_skip;
		3721	$uuid_skip = 0;
		3722
		3723	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3724	and return;
		3725
		3726	# always fsync - this file is important
		3727	aio_fsync $fh
		3728	and return;
		3729
		3730	close $fh
		3731	or return;
		3732
		3733	aio_rename "$uuid~", $uuid
		3734	and return;
		3735
		3736	trace "uuid file written ($value).\n";
		3737
		3738	1
		3739
		3740	}
		3741
		3742	sub write_uuid($$) {
		3743	my ($skip, $sync) = @_;
		3744
		3745	$sync ? write_uuid_sync $skip
		3746	: async { write_uuid_sync $skip };
2921	}	3747	}
2922		3748
2923	sub emergency_save() {	3749	sub emergency_save() {
2924	my $freeze_guard = cf::freeze_mainloop;	3750	my $freeze_guard = cf::freeze_mainloop;
2925		3751
2926	warn "enter emergency perl save\n";	3752	info "emergency_perl_save: enter\n";
		3753
		3754	# this is a trade-off: we want to be very quick here, so
		3755	# save all maps without fsync, and later call a global sync
		3756	# (which in turn might be very very slow)
		3757	local $USE_FSYNC = 0;
2927		3758
2928	cf::sync_job {	3759	cf::sync_job {
		3760	cf::write_runtime_sync; # external watchdog should not bark
		3761
2929	# use a peculiar iteration method to avoid tripping on perl	3762	# use a peculiar iteration method to avoid tripping on perl
2930	# refcount bugs in for. also avoids problems with players	3763	# refcount bugs in for. also avoids problems with players
2931	# and maps saved/destroyed asynchronously.	3764	# and maps saved/destroyed asynchronously.
2932	warn "begin emergency player save\n";	3765	info "emergency_perl_save: begin player save\n";
2933	for my $login (keys %cf::PLAYER) {	3766	for my $login (keys %cf::PLAYER) {
2934	my $pl = $cf::PLAYER{$login} or next;	3767	my $pl = $cf::PLAYER{$login} or next;
2935	$pl->valid or next;	3768	$pl->valid or next;
		3769	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2936	$pl->save;	3770	$pl->save;
2937	}	3771	}
2938	warn "end emergency player save\n";	3772	info "emergency_perl_save: end player save\n";
2939		3773
2940	warn "begin emergency map save\n";	3774	cf::write_runtime_sync; # external watchdog should not bark
		3775
		3776	info "emergency_perl_save: begin map save\n";
2941	for my $path (keys %cf::MAP) {	3777	for my $path (keys %cf::MAP) {
2942	my $map = $cf::MAP{$path} or next;	3778	my $map = $cf::MAP{$path} or next;
2943	$map->valid or next;	3779	$map->valid or next;
2944	$map->save;	3780	$map->save;
2945	}	3781	}
2946	warn "end emergency map save\n";	3782	info "emergency_perl_save: end map save\n";
2947		3783
2948	warn "begin emergency database checkpoint\n";	3784	cf::write_runtime_sync; # external watchdog should not bark
		3785
		3786	info "emergency_perl_save: begin database checkpoint\n";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3787	BDB::db_env_txn_checkpoint $DB_ENV;
2950	warn "end emergency database checkpoint\n";	3788	info "emergency_perl_save: end database checkpoint\n";
		3789
		3790	info "emergency_perl_save: begin write uuid\n";
		3791	write_uuid_sync 1;
		3792	info "emergency_perl_save: end write uuid\n";
		3793
		3794	cf::write_runtime_sync; # external watchdog should not bark
		3795
		3796	trace "emergency_perl_save: syncing database to disk";
		3797	BDB::db_env_txn_checkpoint $DB_ENV;
		3798
		3799	info "emergency_perl_save: starting sync\n";
		3800	IO::AIO::aio_sync sub {
		3801	info "emergency_perl_save: finished sync\n";
		3802	};
		3803
		3804	cf::write_runtime_sync; # external watchdog should not bark
		3805
		3806	trace "emergency_perl_save: flushing outstanding aio requests";
		3807	while (IO::AIO::nreqs || BDB::nreqs) {
		3808	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3809	}
		3810
		3811	cf::write_runtime_sync; # external watchdog should not bark
2951	};	3812	};
2952		3813
2953	warn "leave emergency perl save\n";	3814	info "emergency_perl_save: leave\n";
2954	}	3815	}
2955		3816
2956	sub post_cleanup {	3817	sub post_cleanup {
2957	my ($make_core) = @_;	3818	my ($make_core) = @_;
2958		3819
		3820	IO::AIO::flush;
		3821
2959	warn Carp::longmess "post_cleanup backtrace"	3822	error Carp::longmess "post_cleanup backtrace"
2960	if $make_core;	3823	if $make_core;
		3824
		3825	my $fh = pidfile;
		3826	unlink $PIDFILE if <$fh> == $$;
		3827	}
		3828
		3829	# a safer delete_package, copied from Symbol
		3830	sub clear_package($) {
		3831	my $pkg = shift;
		3832
		3833	# expand to full symbol table name if needed
		3834	unless ($pkg =~ /^main::.*::$/) {
		3835	$pkg = "main$pkg" if $pkg =~ /^::/;
		3836	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3837	$pkg .= '::' unless $pkg =~ /::$/;
		3838	}
		3839
		3840	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3841	my $stem_symtab = *{$stem}{HASH};
		3842
		3843	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3844	or return;
		3845
		3846	# clear all symbols
		3847	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3848	for my $name (keys %$leaf_symtab) {
		3849	_gv_clear *{"$pkg$name"};
		3850	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3851	}
2961	}	3852	}
2962		3853
2963	sub do_reload_perl() {	3854	sub do_reload_perl() {
2964	# can/must only be called in main	3855	# can/must only be called in main
2965	if ($Coro::current != $Coro::main) {	3856	if (in_main) {
2966	warn "can only reload from main coroutine";	3857	error "can only reload from main coroutine";
2967	return;	3858	return;
2968	}	3859	}
2969		3860
		3861	return if $RELOAD++;
		3862
		3863	my $t1 = AE::time;
		3864
		3865	while ($RELOAD) {
2970	warn "reloading...";	3866	info "reloading...";
2971		3867
2972	warn "entering sync_job";	3868	trace "entering sync_job";
2973		3869
2974	cf::sync_job {	3870	cf::sync_job {
2975	cf::write_runtime; # external watchdog should not bark
2976	cf::emergency_save;	3871	cf::emergency_save;
2977	cf::write_runtime; # external watchdog should not bark
2978		3872
2979	warn "syncing database to disk";
2980	BDB::db_env_txn_checkpoint $DB_ENV;
2981
2982	# if anything goes wrong in here, we should simply crash as we already saved
2983
2984	warn "cancelling all WF_AUTOCANCEL watchers";
2985	for (Event::all_watchers) {
2986	$_->cancel if $_->data & WF_AUTOCANCEL;
2987	}
2988
2989	warn "flushing outstanding aio requests";
2990	for (;;) {
2991	BDB::flush;
2992	IO::AIO::flush;
2993	Coro::cede;
2994	last unless IO::AIO::nreqs || BDB::nreqs;
2995	warn "iterate...";
2996	}
2997
2998	++$RELOAD;
2999
3000	warn "cancelling all extension coros";	3873	trace "cancelling all extension coros";
3001	$_->cancel for values %EXT_CORO;	3874	$_->cancel for values %EXT_CORO;
3002	%EXT_CORO = ();	3875	%EXT_CORO = ();
3003		3876
3004	warn "removing commands";	3877	trace "removing commands";
3005	%COMMAND = ();	3878	%COMMAND = ();
3006		3879
3007	warn "removing ext/exti commands";	3880	trace "removing ext/exti commands";
3008	%EXTCMD = ();	3881	%EXTCMD = ();
3009	%EXTICMD = ();	3882	%EXTICMD = ();
3010		3883
3011	warn "unloading/nuking all extensions";	3884	trace "unloading/nuking all extensions";
3012	for my $pkg (@EXTS) {	3885	for my $pkg (@EXTS) {
3013	warn "... unloading $pkg";	3886	trace "... unloading $pkg";
3014		3887
3015	if (my $cb = $pkg->can ("unload")) {	3888	if (my $cb = $pkg->can ("unload")) {
3016	eval {	3889	eval {
3017	$cb->($pkg);	3890	$cb->($pkg);
3018	1	3891	1
3019	} or warn "$pkg unloaded, but with errors: $@";	3892	} or error "$pkg unloaded, but with errors: $@";
		3893	}
		3894
		3895	trace "... clearing $pkg";
		3896	clear_package $pkg;
3020	}	3897	}
3021		3898
3022	warn "... nuking $pkg";
3023	Symbol::delete_package $pkg;
3024	}
3025
3026	warn "unloading all perl modules loaded from $LIBDIR";	3899	trace "unloading all perl modules loaded from $LIBDIR";
3027	while (my ($k, $v) = each %INC) {	3900	while (my ($k, $v) = each %INC) {
3028	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3901	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3029		3902
3030	warn "... unloading $k";	3903	trace "... unloading $k";
3031	delete $INC{$k};	3904	delete $INC{$k};
3032		3905
3033	$k =~ s/\.pm$//;	3906	$k =~ s/\.pm$//;
3034	$k =~ s/\//::/g;	3907	$k =~ s/\//::/g;
3035		3908
3036	if (my $cb = $k->can ("unload_module")) {	3909	if (my $cb = $k->can ("unload_module")) {
3037	$cb->();	3910	$cb->();
		3911	}
		3912
		3913	clear_package $k;
3038	}	3914	}
3039		3915
3040	Symbol::delete_package $k;
3041	}
3042
3043	warn "getting rid of safe::, as good as possible";	3916	trace "getting rid of safe::, as good as possible";
3044	Symbol::delete_package "safe::$_"	3917	clear_package "safe::$_"
3045	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3918	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3046		3919
3047	warn "unloading cf.pm \"a bit\"";	3920	trace "unloading cf.pm \"a bit\"";
3048	delete $INC{"cf.pm"};	3921	delete $INC{"cf.pm"};
3049	delete $INC{"cf/pod.pm"};	3922	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3050		3923
3051	# don't, removes xs symbols, too,	3924	# don't, removes xs symbols, too,
3052	# and global variables created in xs	3925	# and global variables created in xs
3053	#Symbol::delete_package __PACKAGE__;	3926	#clear_package __PACKAGE__;
3054		3927
3055	warn "unload completed, starting to reload now";	3928	info "unload completed, starting to reload now";
3056		3929
3057	warn "reloading cf.pm";	3930	trace "reloading cf.pm";
3058	require cf;	3931	require cf;
3059	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3932	cf::_connect_to_perl_1;
3060		3933
3061	warn "loading config and database again";	3934	trace "loading config and database again";
3062	cf::cfg_load;	3935	cf::reload_config;
3063		3936
3064	warn "loading extensions";	3937	trace "loading extensions";
3065	cf::load_extensions;	3938	cf::load_extensions;
3066		3939
		3940	if ($REATTACH_ON_RELOAD) {
3067	warn "reattaching attachments to objects/players";	3941	trace "reattaching attachments to objects/players";
3068	_global_reattach; # objects, sockets	3942	_global_reattach; # objects, sockets
3069	warn "reattaching attachments to maps";	3943	trace "reattaching attachments to maps";
3070	reattach $_ for values %MAP;	3944	reattach $_ for values %MAP;
3071	warn "reattaching attachments to players";	3945	trace "reattaching attachments to players";
3072	reattach $_ for values %PLAYER;	3946	reattach $_ for values %PLAYER;
		3947	}
3073		3948
		3949	trace "running post_init jobs";
		3950	(pop @POST_INIT)->(1) while @POST_INIT;
		3951
3074	warn "leaving sync_job";	3952	trace "leaving sync_job";
3075		3953
3076	1	3954	1
3077	} or do {	3955	} or do {
3078	warn $@;	3956	error $@;
3079	warn "error while reloading, exiting.";	3957	cf::cleanup "error while reloading, exiting.";
3080	exit 1;	3958	};
		3959
		3960	info "reloaded";
		3961	--$RELOAD;
3081	};	3962	}
3082		3963
3083	warn "reloaded";	3964	$t1 = AE::time - $t1;
		3965	info "reload completed in ${t1}s\n";
3084	};	3966	};
3085		3967
3086	our $RELOAD_WATCHER; # used only during reload	3968	our $RELOAD_WATCHER; # used only during reload
3087		3969
3088	sub reload_perl() {	3970	sub reload_perl() {
3089	# doing reload synchronously and two reloads happen back-to-back,	3971	# doing reload synchronously and two reloads happen back-to-back,
3090	# coro crashes during coro_state_free->destroy here.	3972	# coro crashes during coro_state_free->destroy here.
3091		3973
3092	$RELOAD_WATCHER ||= Event->timer (	3974	$RELOAD_WATCHER ||= cf::async {
3093	reentrant => 0,	3975	Coro::AIO::aio_wait cache_extensions;
3094	after => 0,	3976
3095	data => WF_AUTOCANCEL,	3977	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3096	cb => sub {
3097	do_reload_perl;	3978	do_reload_perl;
3098	undef $RELOAD_WATCHER;	3979	undef $RELOAD_WATCHER;
3099	},	3980	};
3100	);	3981	};
3101	}	3982	}
3102		3983
3103	register_command "reload" => sub {	3984	register_command "reload" => sub {
3104	my ($who, $arg) = @_;	3985	my ($who, $arg) = @_;
3105		3986
3106	if ($who->flag (FLAG_WIZ)) {	3987	if ($who->flag (FLAG_WIZ)) {
3107	$who->message ("reloading server.");	3988	$who->message ("reloading server.");
		3989	async {
		3990	$Coro::current->{desc} = "perl_reload";
3108	async { reload_perl };	3991	reload_perl;
		3992	};
3109	}	3993	}
3110	};	3994	};
3111		3995
3112	unshift @INC, $LIBDIR;	3996	unshift @INC, $LIBDIR;
3113		3997
…		…
3115		3999
3116	our @WAIT_FOR_TICK;	4000	our @WAIT_FOR_TICK;
3117	our @WAIT_FOR_TICK_BEGIN;	4001	our @WAIT_FOR_TICK_BEGIN;
3118		4002
3119	sub wait_for_tick {	4003	sub wait_for_tick {
3120	return unless $TICK_WATCHER->is_active;
3121	return if $Coro::current == $Coro::main;	4004	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3122		4005
3123	my $signal = new Coro::Signal;	4006	my $signal = new Coro::Signal;
3124	push @WAIT_FOR_TICK, $signal;	4007	push @WAIT_FOR_TICK, $signal;
3125	$signal->wait;	4008	$signal->wait;
3126	}	4009	}
3127		4010
3128	sub wait_for_tick_begin {	4011	sub wait_for_tick_begin {
3129	return unless $TICK_WATCHER->is_active;
3130	return if $Coro::current == $Coro::main;	4012	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3131		4013
3132	my $signal = new Coro::Signal;	4014	my $signal = new Coro::Signal;
3133	push @WAIT_FOR_TICK_BEGIN, $signal;	4015	push @WAIT_FOR_TICK_BEGIN, $signal;
3134	$signal->wait;	4016	$signal->wait;
3135	}	4017	}
3136		4018
3137	my $min = 1e6;#d#	4019	sub tick {
3138	my $avg = 10;
3139	$TICK_WATCHER = Event->timer (
3140	reentrant => 0,
3141	parked => 1,
3142	prio => 0,
3143	at => $NEXT_TICK || $TICK,
3144	data => WF_AUTOCANCEL,
3145	cb => sub {
3146	if ($Coro::current != $Coro::main) {	4020	if ($Coro::current != $Coro::main) {
3147	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4021	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3148	unless ++$bug_warning > 10;	4022	unless ++$bug_warning > 10;
3149	return;	4023	return;
3150	}	4024	}
3151		4025
3152	$NOW = $tick_start = Event::time;
3153
3154	cf::server_tick; # one server iteration	4026	cf::server_tick; # one server iteration
3155		4027
3156	0 && sync_job {#d#	4028	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3157	for(1..10) {
3158	my $t = Event::time;
3159	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3160	or die;
3161		4029
3162	$map->width (50);	4030	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3163	$map->height (50);	4031	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3164	$map->alloc;	4032	Coro::async_pool {
3165	$map->_load_objects ("/tmp/x.map", 1);	4033	$Coro::current->{desc} = "runtime saver";
3166	my $t = Event::time - $t;	4034	write_runtime_sync
3167		4035	or error "ERROR: unable to write runtime file: $!";
3168	#next unless $t < 0.0013;#d#
3169	if ($t < $min) {
3170	$min = $t;
3171	}
3172	$avg = $avg * 0.99 + $t * 0.01;
3173	}
3174	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3175	exit 0;
3176	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3177	};	4036	};
		4037	}
3178		4038
3179	$RUNTIME += $TICK;
3180	$NEXT_TICK += $TICK;
3181
3182	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3183	$NEXT_RUNTIME_WRITE = $NOW + 10;
3184	Coro::async_pool {
3185	write_runtime
3186	or warn "ERROR: unable to write runtime file: $!";
3187	};
3188	}
3189
3190	# my $AFTER = Event::time;
3191	# warn $AFTER - $NOW;#d#
3192
3193	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4039	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3194	$sig->send;	4040	$sig->send;
3195	}	4041	}
3196	while (my $sig = shift @WAIT_FOR_TICK) {	4042	while (my $sig = shift @WAIT_FOR_TICK) {
3197	$sig->send;	4043	$sig->send;
3198	}	4044	}
3199		4045
3200	$NOW = Event::time;	4046	$LOAD = ($NOW - $TICK_START) / $TICK;
3201
3202	# if we are delayed by four ticks or more, skip them all
3203	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3204
3205	$TICK_WATCHER->at ($NEXT_TICK);
3206	$TICK_WATCHER->start;
3207
3208	$LOAD = ($NOW - $tick_start) / $TICK;
3209	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4047	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3210		4048
3211	_post_tick;	4049	if (0) {
3212		4050	if ($NEXT_TICK) {
3213		4051	my $jitter = $TICK_START - $NEXT_TICK;
		4052	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4053	debug "jitter $JITTER\n";#d#
		4054	}
3214	},	4055	}
3215	);	4056	}
3216		4057
3217	{	4058	{
3218	BDB::max_poll_time $TICK * 0.1;	4059	# configure BDB
3219	$BDB_POLL_WATCHER = Event->io (	4060
3220	reentrant => 0,
3221	fd => BDB::poll_fileno,
3222	poll => 'r',
3223	prio => 0,
3224	data => WF_AUTOCANCEL,
3225	cb => \&BDB::poll_cb,
3226	);
3227	BDB::min_parallel 8;	4061	BDB::min_parallel 16;
3228		4062	BDB::max_poll_reqs $TICK * 0.1;
3229	BDB::set_sync_prepare {	4063	$AnyEvent::BDB::WATCHER->priority (1);
3230	my $status;
3231	my $current = $Coro::current;
3232	(
3233	sub {
3234	$status = $!;
3235	$current->ready; undef $current;
3236	},
3237	sub {
3238	Coro::schedule while defined $current;
3239	$! = $status;
3240	},
3241	)
3242	};
3243		4064
3244	unless ($DB_ENV) {	4065	unless ($DB_ENV) {
3245	$DB_ENV = BDB::db_env_create;	4066	$DB_ENV = BDB::db_env_create;
		4067	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4068	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4069	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4070	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4071	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3246		4072
3247	cf::sync_job {	4073	cf::sync_job {
3248	eval {	4074	eval {
3249	BDB::db_env_open	4075	BDB::db_env_open
3250	$DB_ENV,	4076	$DB_ENV,
…		…
3252	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4078	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3253	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4079	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3254	0666;	4080	0666;
3255		4081
3256	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4082	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3257
3258	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3259	$DB_ENV->set_lk_detect;
3260	};	4083	};
3261		4084
3262	cf::cleanup "db_env_open(db): $@" if $@;	4085	cf::cleanup "db_env_open(db): $@" if $@;
3263	};	4086	};
3264	}	4087	}
		4088
		4089	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4090	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4091	};
		4092	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4093	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4094	};
		4095	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4096	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4097	};
3265	}	4098	}
3266		4099
3267	{	4100	{
		4101	# configure IO::AIO
		4102
3268	IO::AIO::min_parallel 8;	4103	IO::AIO::min_parallel 8;
3269
3270	undef $Coro::AIO::WATCHER;
3271	IO::AIO::max_poll_time $TICK * 0.1;	4104	IO::AIO::max_poll_time $TICK * 0.1;
3272	$AIO_POLL_WATCHER = Event->io (	4105	undef $AnyEvent::AIO::WATCHER;
3273	reentrant => 0,
3274	data => WF_AUTOCANCEL,
3275	fd => IO::AIO::poll_fileno,
3276	poll => 'r',
3277	prio => 6,
3278	cb => \&IO::AIO::poll_cb,
3279	);
3280	}	4106	}
3281		4107
3282	my $_log_backtrace;	4108	my $_log_backtrace;
3283		4109
3284	sub _log_backtrace {	4110	sub _log_backtrace {
…		…
3287	$msg =~ s/\n//;	4113	$msg =~ s/\n//;
3288		4114
3289	# limit the # of concurrent backtraces	4115	# limit the # of concurrent backtraces
3290	if ($_log_backtrace < 2) {	4116	if ($_log_backtrace < 2) {
3291	++$_log_backtrace;	4117	++$_log_backtrace;
		4118	my $perl_bt = Carp::longmess $msg;
3292	async {	4119	async {
		4120	$Coro::current->{desc} = "abt $msg";
		4121
3293	my @bt = fork_call {	4122	my @bt = fork_call {
3294	@addr = map { sprintf "%x", $_ } @addr;	4123	@addr = map { sprintf "%x", $_ } @addr;
3295	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4124	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3296	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4125	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3297	or die "addr2line: $!";	4126	or die "addr2line: $!";
…		…
3305	}	4134	}
3306		4135
3307	@funcs	4136	@funcs
3308	};	4137	};
3309		4138
3310	LOG llevInfo, "[ABT] $msg\n";	4139	LOG llevInfo, "[ABT] $perl_bt\n";
		4140	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3311	LOG llevInfo, "[ABT] $_\n" for @bt;	4141	LOG llevInfo, "[ABT] $_\n" for @bt;
3312	--$_log_backtrace;	4142	--$_log_backtrace;
3313	};	4143	};
3314	} else {	4144	} else {
3315	LOG llevInfo, "[ABT] $msg\n";	4145	LOG llevInfo, "[ABT] $msg\n";
3316	LOG llevInfo, "[ABT] [suppressed]\n";	4146	LOG llevInfo, "[ABT] [suppressed]\n";
3317	}	4147	}
3318	}	4148	}
3319		4149
3320	# load additional modules	4150	# load additional modules
3321	use cf::pod;	4151	require "cf/$_.pm" for @EXTRA_MODULES;
		4152	cf::_connect_to_perl_2;
3322		4153
3323	END { cf::emergency_save }	4154	END { cf::emergency_save }
3324		4155
3325	1	4156	1
3326		4157

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