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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
…		…
68	our %CFG;	87	our %CFG;
69		88
70	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	90	our $RUNTIME;
72		91
73	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		95
82	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
85	binmode STDOUT;	103	binmode STDOUT;
86	binmode STDERR;	104	binmode STDERR;
87		105
88	# read virtual server time, if available	106	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
93	}	111	}
94		112
95	mkdir cf::localdir;	113	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		115
102	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
103		117
104	sub cf::map::normalise;	118	sub cf::map::normalise;
105		119
…		…
116	=item $cf::RUNTIME	130	=item $cf::RUNTIME
117		131
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	133	every server tick.
120		134
121	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		138
123	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
125		143
126	=item $cf::NOW	144	=item $cf::NOW
127		145
128	The time of the last (current) server tick.	146	The time of the last (current) server tick.
129		147
130	=item $cf::TICK	148	=item $cf::TICK
131		149
132	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
133		161
134	=item %cf::CFG	162	=item %cf::CFG
135		163
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	165	from wherever your confdir points to.
138		166
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		168
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
145		178
146	=back	179	=back
147		180
148	=cut	181	=cut
149		182
150	BEGIN {	183	BEGIN {
151	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	185	my $msg = join "", @_;
153	utf8::encode $msg;
154		186
155	$msg .= "\n"	187	$msg .= "\n"
156	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		191
158	LOG llevError, $msg;	192	LOG llevError, $msg;
159	};	193	};
160	}	194	}
161		195
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		203
169	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	205	# within the Safe compartment.
171	for my $pkg (qw(	206	for my $pkg (qw(
172	cf::global cf::attachable	207	cf::global cf::attachable
…		…
180	}	215	}
181		216
182	$Event::DIED = sub {	217	$Event::DIED = sub {
183	warn "error in event callback: @_";	218	warn "error in event callback: @_";
184	};	219	};
		220
		221	#############################################################################
185		222
186	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
187		224
188	=over 4	225	=over 4
189		226
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	246	$d
210	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
211	}	248	}
212		249
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
216		251
217	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
218		253
219	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
220		255
221	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
222		264
223	=item cf::lock_wait $string	265	=item cf::lock_wait $string
224		266
225	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
226		268
…		…
229	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
232	returned.	274	returned.
233		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
234	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
236		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
237	=cut	286	=cut
238		287
239	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
240		290
241	sub lock_wait($) {	291	sub lock_wait($) {
242	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
243		298
244	# wait for lock, if any	299	# wait for lock, if any
245	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	302	Coro::schedule;
…		…
253		308
254	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
255	lock_wait $key;	310	lock_wait $key;
256		311
257	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
258		314
259	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
262	}	319	}
		320	}
		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
263	}	326	}
264		327
265	sub freeze_mainloop {	328	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
267		330
…		…
270	};	333	};
271	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
272	$guard	335	$guard
273	}	336	}
274		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
275	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
276		395
277	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	397	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	398	thing you are allowed to do is call C<prio> on it.
…		…
282		401
283	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
284		403
285	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
286		405
287	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
290		410
291	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
294	fast or be very important.	414	fast or be very important.
…		…
297		417
298	sub sync_job(&) {	418	sub sync_job(&) {
299	my ($job) = @_;	419	my ($job) = @_;
300		420
301	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
302	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
304		426
305	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
317		439
318	while ($busy) {	440	while ($busy) {
319	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
320	}	442	}
321		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
322	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
323	} else {	452	} else {
324	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
325		454
326	$job->()	455	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
346		475
347	$coro	476	$coro
348	}	477	}
349		478
350	sub write_runtime {	479	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		480
353	my $runtime = cf::localdir . "/runtime";	481	Executes the given code block with the given arguments in a seperate
		482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
354		485
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	486	=cut
356	or return;
357		487
358	my $value = $cf::RUNTIME + 90 + 10;	488	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	489	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		490
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	# we seemingly have to make a local copy of the whole thing,
363	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
364		494
365	# always fsync - this file is important	495	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	496	reset_signals;
367	and return;	497	&$cb
		498	}, @args;
368		499
369	close $fh	500	wantarray ? @res : $res[-1]
370	or return;	501	}
371		502
372	aio_rename "$runtime~", $runtime	503	=item $value = cf::db_get $family => $key
373	and return;
374		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
375	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	628	}
377		629
378	=back	630	=back
379		631
380	=cut	632	=cut
…		…
387	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
389		641
390	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	644	Crossfire TRT).
393		645
394	=over 4	646	=over 4
395		647
396	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
397		649
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
561		813
562	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		818
567	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	820	my $pkg = shift @arg;
569		821
570	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
600	}	852	}
601		853
602	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
603	} else {	855	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	857	}
606		858
607	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
608	}	860	}
609		861
…		…
611	if (ref $_[0]) {	863	if (ref $_[0]) {
612	_object_attach @_;	864	_object_attach @_;
613	} else {	865	} else {
614	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
615	}	867	}
		868	_recalc_want;
616	};	869	};
617		870
618	# all those should be optimised	871	# all those should be optimised
619	sub cf::attachable::detach {	872	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
624	reattach ($obj);	877	reattach ($obj);
625	} else {	878	} else {
626	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
627	}	880	}
		881	_recalc_want;
628	};	882	};
629		883
630	sub cf::attachable::attached {	884	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
632		886
…		…
647	";	901	";
648	die if $@;	902	die if $@;
649	}	903	}
650		904
651	our $override;	905	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		907
654	sub override {	908	sub override {
655	$override = 1;	909	$override = 1;
656	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
657	}	911	}
658		912
659	sub do_invoke {	913	sub do_invoke {
660	my $event = shift;	914	my $event = shift;
661	my $callbacks = shift;	915	my $callbacks = shift;
662		916
663	@invoke_results = ();	917	@INVOKE_RESULTS = ();
664		918
665	local $override;	919	local $override;
666		920
667	for (@$callbacks) {	921	for (@$callbacks) {
668	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
685		939
686	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
687		941
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		945
692	=back	946	=back
693		947
694	=cut	948	=cut
695		949
696	#############################################################################	950	#############################################################################
697	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
698		963
699	sub reattach {	964	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	966	my ($obj) = @_;
702		967
…		…
747	);	1012	);
748		1013
749	sub object_freezer_save {	1014	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
751		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
752	sync_job {	1019	sync_job {
753	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
756		1024
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
779	}	1047	}
780	} else {	1048	} else {
781	aio_unlink $filename;	1049	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
783	}	1051	}
784	}	1052	};
		1053
		1054	undef $guard;
785	}	1055	}
786		1056
787	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
789		1059
…		…
794		1064
795	sub object_thawer_load {	1065	sub object_thawer_load {
796	my ($filename) = @_;	1066	my ($filename) = @_;
797		1067
798	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
799		1071
800	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
801	or return;	1073	or return;
802		1074
803	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
805	or return;	1077	or return;
		1078
		1079	undef $guard;
806	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
807	}	1081	}
808		1082
		1083	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
811	return ($data, $av);	1087	($data, $av)
812	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
813		1095
814	#############################################################################	1096	#############################################################################
815	# command handling &c	1097	# command handling &c
816		1098
817	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1113	}
832		1114
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1116
835	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
836		1122
837	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
838	called.	1124	called.
839		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
840	=cut	1137	=cut
841		1138
842	sub register_extcmd {	1139	sub register_extcmd {
843	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
844		1141
845	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
846	}	1149	}
847		1150
848	cf::player->attach (	1151	cf::player->attach (
849	on_command => sub {	1152	on_command => sub {
850	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1162	cf::override;
860	},	1163	},
861	on_extcmd => sub {	1164	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
863		1166
864	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1168
866	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
872	} else {	1184	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1186	}
875		1187
876	cf::override;	1188	cf::override;
877	},	1189	},
878	);	1190	);
879		1191
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
915	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1197	next unless -r $path;
917	eval {	1198
918	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
919	1	1256	}
920	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
921	}	1262	};
922	}	1263	}
923		1264
924	#############################################################################	1265	#############################################################################
925		1266
		1267	=back
		1268
926	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
927		1270
928	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
929		1272
930	=cut	1273	=cut
…		…
935		1278
936	=head3 cf::player	1279	=head3 cf::player
937		1280
938	=over 4	1281	=over 4
939		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
940	=item cf::player::find $login	1297	=item cf::player::find $login
941		1298
942	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
943		1300
944	=cut	1301	=cut
945		1302
946	sub playerdir($) {	1303	sub playerdir($) {
947	cf::localdir	1304	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1306	}
953		1307
954	sub path($) {	1308	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1310
957	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
958	}	1312	}
959		1313
960	sub find_active($) {	1314	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1329	my $login = $_[0];
976		1330
977	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
978		1332
979	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
981	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
983	}	1350	}
984	}	1351	}
985	}	1352	}
986		1353
…		…
996		1363
997	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
999		1366
1000	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1001	Coro::cede;	1368	cf::cede_to_tick;
1002	}	1369	}
1003		1370
1004	sub new($) {	1371	sub new($) {
1005	my ($login) = @_;	1372	my ($login) = @_;
1006		1373
…		…
1010	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1011		1378
1012	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1013		1380
1014	$self	1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
1015	}	1392	}
1016		1393
1017	=item $pl->quit_character	1394	=item $pl->quit_character
1018		1395
1019	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1069		1446
1070	=cut	1447	=cut
1071		1448
1072	sub list_logins {	1449	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1451	or return [];
1075		1452
1076	my @logins;	1453	my @logins;
1077		1454
1078	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1082		1464
1083	utf8::decode $login;	1465	utf8::decode $login;
1084	push @logins, $login;	1466	push @logins, $login;
1085	}	1467	}
1086		1468
…		…
1113	}	1495	}
1114		1496
1115	\@paths	1497	\@paths
1116	}	1498	}
1117		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1119		1552
1120	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1121		1554
1122	=cut	1555	=cut
1123		1556
1124	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1126		1559
1127	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1561	}
1131		1562
1132	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1133		1603
1134	=back	1604	=back
1135
1136		1605
1137	=head3 cf::map	1606	=head3 cf::map
1138		1607
1139	=over 4	1608	=over 4
1140		1609
…		…
1195	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1196		1665
1197	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1198	local $self->{path};	1667	local $self->{path};
1199	local $self->{load_path};	1668	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1669
1203	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1204	}	1671	}
1205		1672
1206	sub normalise {	1673	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1254	return $self;	1721	return $self;
1255	}	1722	}
1256	}	1723	}
1257		1724
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1726	()
1260	}	1727	}
1261		1728
1262	sub init {	1729	sub init {
1263	my ($self) = @_;	1730	my ($self) = @_;
…		…
1278		1745
1279	# the original (read-only) location	1746	# the original (read-only) location
1280	sub load_path {	1747	sub load_path {
1281	my ($self) = @_;	1748	my ($self) = @_;
1282		1749
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1284	}	1751	}
1285		1752
1286	# the temporary/swap location	1753	# the temporary/swap location
1287	sub save_path {	1754	sub save_path {
1288	my ($self) = @_;	1755	my ($self) = @_;
1289		1756
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1292	}	1759	}
1293		1760
1294	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1295	sub uniq_path {	1762	sub uniq_path {
1296	my ($self) = @_;	1763	my ($self) = @_;
1297		1764
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1300	}	1767	}
1301		1768
1302	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1303	# all maps in C++...	1770	# all maps in C++...
1304	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1306		1773
1307	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1309	}	1776	}
1310		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1311	sub unlink_save {	1786	sub unlink_save {
1312	my ($self) = @_;	1787	my ($self) = @_;
1313		1788
1314	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1793
1319	sub load_header_from($) {	1794	sub load_header_from($) {
1320	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1321		1796
1322	utf8::encode $path;	1797	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1328		1806
1329	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1330		1808
1331	1	1809	1
1332	}	1810	}
…		…
1371	$self->load_header_orig	1849	$self->load_header_orig
1372	or return;	1850	or return;
1373	$self->prepare_orig;	1851	$self->prepare_orig;
1374	}	1852	}
1375		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
1376	1	1860	1
1377	}	1861	}
1378		1862
1379	sub find;	1863	sub find;
1380	sub find {	1864	sub find {
1381	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1382		1866
1383	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1384		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1386		1871
1387	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1389	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1390	or return;	1877	or return;
1391		1878
1392	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1393		1880
1394	$map->load_header	1881	$map->load_header
1395	or return;	1882	or return;
1396		1883
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1400	$map->reset;	1889	$map->reset;
1401	undef $guard;
1402	return find $path;	1890	return find $path;
1403	}	1891	}
1404		1892
1405	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1406	}	1894	}
…		…
1413	my ($self) = @_;	1901	my ($self) = @_;
1414		1902
1415	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1416		1904
1417	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1419		1909
		1910	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1912
1422	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1423		1914
1424	$self->alloc;	1915	$self->alloc;
1425		1916
1426	$self->pre_load;	1917	$self->pre_load;
		1918	cf::cede_to_tick;
1427		1919
1428	$self->_load_objects ($self->{load_path}, 1)	1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1429	or return;	1923	or return;
1430		1924
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1926	if delete $self->{load_original};
1433		1927
1434	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1929	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1932	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1439	}	1936	}
1440	}	1937	}
1441		1938
1442	Coro::cede;	1939	$f->resolve_delayed_derefs;
1443		1940
		1941	cf::cede_to_tick;
1444	# now do the right thing for maps	1942	# now do the right thing for maps
1445	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1945	unless $self->difficulty;
1455	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1456	$self->activate;	1955	$self->activate;
		1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
		1961	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1962	}
1458		1963
1459	$self->post_load;	1964	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1965	}
1463		1966
1464	sub customise_for {	1967	sub customise_for {
1465	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1466		1969
1467	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1971	if $self->per_player;
1469		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1470	$self	1976	$self
1471	}	1977	}
1472		1978
1473	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1980	sub load_neighbours {
1475	my ($map) = @_;	1981	my ($map) = @_;
1476		1982
1477	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1478		1984
1479	for (0 .. 3) {	1985	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1481	or next;	1987	or next;
1482	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1483	or next;	1989	or next;
1484	$neigh->load;	1990	$neigh->load;
1485		1991
		1992	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1995	}
1489		1996
1490	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1492	or next;	2000	or next;
1493	$neigh->load;	2001	$neigh->load;
1494	}	2002	}
1495	}	2003	}
1496		2004
…		…
1501	}	2009	}
1502		2010
1503	sub do_load_sync {	2011	sub do_load_sync {
1504	my ($map) = @_;	2012	my ($map) = @_;
1505		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1506	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1507	}	2018	}
1508		2019
1509	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1511		2022
1512	sub find_async {	2023	sub find_async {
1513	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1514		2025
1515	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1516		2027
1517	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2030	}
1520		2031
1521	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1522	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2037	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2038	$map->load if $v;
		2039	}
1528		2040
1529	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1530	}	2042	}
1531	}	2043	}
1532	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1533	};	2045	};
1534	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2049	}
1538		2050
1539	sub save {	2051	sub save {
1540	my ($self) = @_;	2052	my ($self) = @_;
1541		2053
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2055
1544	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1545		2057
1546	return unless $self->dirty;	2058	return unless $self->dirty;
1547		2059
…		…
1570	my ($self) = @_;	2082	my ($self) = @_;
1571		2083
1572	# save first because save cedes	2084	# save first because save cedes
1573	$self->save;	2085	$self->save;
1574		2086
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2088
1577	return if $self->players;	2089	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2091	return if $self->{deny_save};
1580		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2097	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2098	}
1584		2099
1585	sub reset_at {	2100	sub reset_at {
1586	my ($self) = @_;	2101	my ($self) = @_;
1587		2102
1588	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1591		2105
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2108
…		…
1605	my ($self) = @_;	2119	my ($self) = @_;
1606		2120
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2122
1609	return if $self->players;	2123	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2124
1612	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1613		2126
1614	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1615		2128
1616	# need to save uniques path	2129	# need to save uniques path
1617	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2134	if $uniq;
1622	}	2135	}
1623		2136
1624	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1625		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2141	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2142
1630	$self->unlink_save;	2143	$self->unlink_save;
1631	$self->destroy;	2144	$self->destroy;
1632	}	2145	}
1633		2146
1634	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1635		2148
1636	sub nuke {	2149	sub nuke {
1637	my ($self) = @_;	2150	my ($self) = @_;
1638		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1639	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1640		2156
1641	$self->unlink_save;	2157	$self->unlink_save;
1642		2158
1643	bless $self, "cf::map";	2159	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2164
1649	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1650		2167
1651	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1652	}	2205	}
1653		2206
1654	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1655		2208
1656	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2210	instantiated unique items. May block.
1658		2211
1659	=cut	2212	=cut
1660		2213
1661	sub unique_maps() {	2214	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1663	or return;	2216	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2217	utf8::decode $_;
1669	next if /\.pst$/;	2218	/\.map$/
1670	next unless /^$PATH_SEP/o;	2219	? normalise $_
1671		2220	: ()
1672	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2222	]
1674
1675	\@paths
1676	}	2223	}
1677		2224
1678	package cf;	2225	package cf;
1679		2226
1680	=back	2227	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1699	}	2246	}
1700		2247
1701	sub inv_recursive {	2248	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1703	}	2281	}
1704		2282
1705	package cf;	2283	package cf;
1706		2284
1707	=back	2285	=back
…		…
1726		2304
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2306
1729	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1731	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1734	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1735	}	2332	}
1736		2333
1737	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1738		2335
1739	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1787		2384
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2386
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1792		2389
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2391	}
1795		2392
1796	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1798		2397
1799	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1800		2399
1801	unless ($map) {	2400	unless ($map) {
1802	# restore original map position	2401	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1819		2418
1820	$map->load;	2419	$map->load;
1821	$map->load_diag;	2420	$map->load_neighbours;
1822		2421
1823	return unless $self->contr->active;	2422	return unless $self->contr->active;
1824	$self->activate_recursive;	2423	$self->activate_recursive;
1825		2424
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1828	}	2427	}
1829		2428
1830	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2430
1834	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1838	};	2435	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2436
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1865		2440
1866	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2446
1869	$self->enter_link;	2447	$self->enter_link;
1870		2448
1871	(async {	2449	(async {
1872	my $map = eval {	2450	my $map = eval {
1873	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1875	$map	2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2466	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1880	})->prio (1);	2474	})->prio (1);
1881	}	2475	}
1882		2476
1883	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1884		2478
…		…
1923		2517
1924	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1925		2519
1926	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2522	my $meta = "$RANDOMDIR/$md5.meta";
1929		2523
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2526	undef $fh;
1933	aio_rename "$meta~", $meta;	2527	aio_rename "$meta~", $meta;
…		…
1942		2536
1943	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1944		2538
1945	if ($exit->slaying eq "/!") {	2539	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2543	cf::sync_job { prepare_random_map $exit };
1948	}	2544	}
1949		2545
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
1953		2549
1954	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1955		2555
1956	(async {	2556	(async {
1957	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2558	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
1960		2560
1961	1;	2561	1;
1962	}) {	2562	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2567
1968	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2569	$self->leave_link;
1970	}	2570	}
1971	})->prio (1);	2571	})->prio (1);
…		…
1987		2587
1988	utf8::encode $text;	2588	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2590	}
1991		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1992		2707
1993	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1994		2709
1995	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2713
1999	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2715	become reliable at some point in the future.
2001		2716
2002	=cut	2717	=cut
2003		2718
2004	sub cf::client::query {	2719	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2728	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2730
2016	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2018	}	2735	}
2019		2736
2020	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2021	on_reply => sub {	2743	on_reply => sub {
2022	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2023		2745
2024	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2025	# get handled first	2747	# get handled first
…		…
2037	} else {	2759	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2761	}
2040	}	2762	}
2041	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2042	);	2790	);
2043		2791
2044	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2045		2793
2046	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2089		2837
2090	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2091		2839
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2093		2845
2094	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2095		2847
2096	=pod	2848	=pod
2097		2849
2098	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2099		2851
2100	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2101	cf::object::player player	2856	cf::object::player
2102	cf::player peaceful	2857	player
2103	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2104		2864
2105	=cut	2865	=cut
2106		2866
2107	for (	2867	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2109	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2112	) {	2874	) {
2113	no strict 'refs';	2875	no strict 'refs';
…		…
2184	=back	2946	=back
2185		2947
2186	=cut	2948	=cut
2187		2949
2188	#############################################################################	2950	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2951	# the server's init and main functions
2262		2952
2263	sub load_faces {	2953	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	2954	my ($path) = @_;
2265		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2961
2266	warn "loading faces from $path\n";	2962	warn "loading facedata from $path\n";
2267		2963
2268	my $faces;	2964	my $facedata;
2269	0 < aio_load $path, $faces	2965	0 < aio_load $path, $facedata
2270	or die "$path: $!";	2966	or die "$path: $!";
2271		2967
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	2968	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		2969
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	2970	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
		2980	{
		2981	my $faces = $facedata->{faceinfo};
		2982
2280	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		2989
		2990	cf::cede_to_tick;
		2991	}
		2992
2287	while (my ($face, $info) = each %$faces) {	2993	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	2994	next unless $info->{smooth};
2289	my $idx = cf::face::find $face	2995	my $idx = cf::face::find $face
2290	or next;	2996	or next;
2291	if (my $smooth = cf::face::find $info->{smooth}) {	2997	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3000	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3002	}
2296	Coro::cede;	3003
		3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
2297	}	3066	}
2298		3067
2299	1	3068	1
2300	}	3069	}
2301		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
2302	sub reload_resources {	3113	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3114	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3115
		3116	reload_regions;
2305	load_faces	3117	reload_facedata;
2306	or die "unable to load faces\n";#d#	3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
2307	}	3123	}
2308		3124
2309	sub init {	3125	sub init {
2310	reload_resources;	3126	reload_resources;
2311	}	3127	}
2312		3128
2313	sub cfg_load {	3129	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3131	or return;
2316		3132
2317	local $/;	3133	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2319		3135
…		…
2338	(async {	3154	(async {
2339	Event::one_event;	3155	Event::one_event;
2340	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2341	};	3157	};
2342		3158
2343	cfg_load;	3159	reload_config;
2344	db_init;	3160	db_init;
2345	load_extensions;	3161	load_extensions;
2346		3162
2347	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2348	Event::loop;	3164	Event::loop;
…		…
2364	},	3180	},
2365	);	3181	);
2366	}	3182	}
2367	}	3183	}
2368		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2369	sub emergency_save() {	3223	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2371		3225
2372	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2373		3227
…		…
2404		3258
2405	warn Carp::longmess "post_cleanup backtrace"	3259	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3260	if $make_core;
2407	}	3261	}
2408		3262
2409	sub reload() {	3263	sub do_reload_perl() {
2410	# can/must only be called in main	3264	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3266	warn "can only reload from main coroutine";
2413	return;	3267	return;
2414	}	3268	}
…		…
2448	%EXT_CORO = ();	3302	%EXT_CORO = ();
2449		3303
2450	warn "removing commands";	3304	warn "removing commands";
2451	%COMMAND = ();	3305	%COMMAND = ();
2452		3306
2453	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2454	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2455		3310
2456	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2459		3314
…		…
2489	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3346
2492	warn "unloading cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2494		3350
2495	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3352	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2498		3354
…		…
2501	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2502	require cf;	3358	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3360
2505	warn "loading config and database again";	3361	warn "loading config and database again";
2506	cf::cfg_load;	3362	cf::reload_config;
2507		3363
2508	warn "loading extensions";	3364	warn "loading extensions";
2509	cf::load_extensions;	3365	cf::load_extensions;
2510		3366
2511	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2513	warn "reattaching attachments to maps";	3369	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3371	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3372	reattach $_ for values %PLAYER;
2517		3373
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3374	warn "leaving sync_job";
2522		3375
2523	1	3376	1
2524	} or do {	3377	} or do {
2525	warn $@;	3378	warn $@;
…		…
2530	warn "reloaded";	3383	warn "reloaded";
2531	};	3384	};
2532		3385
2533	our $RELOAD_WATCHER; # used only during reload	3386	our $RELOAD_WATCHER; # used only during reload
2534		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2535	register_command "reload" => sub {	3403	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2537		3405
2538	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3407	$who->message ("reloading server.");
2540		3408	async { reload_perl };
2541	# doing reload synchronously and two reloads happen back-to-back,
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);
2553	}	3409	}
2554	};	3410	};
2555		3411
2556	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2557		3413
2558	my $bug_warning = 0;	3414	my $bug_warning = 0;
2559		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2560	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2561	reentrant => 0,	3440	reentrant => 0,
2562	parked => 1,	3441	parked => 1,
2563	prio => 0,	3442	prio => 0,
2564	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2570	return;	3449	return;
2571	}	3450	}
2572		3451
2573	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2574		3453
2575	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2576	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2578		3481
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2582	write_runtime	3485	write_runtime
2583	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2584	};	3487	};
2585	}	3488	}
2586		3489
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2592		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2593	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2595		3504
2596	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2598	},	3514	},
2599	);	3515	);
2600		3516
2601	{	3517	{
2602	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;
…		…
2630		3546
2631	cf::sync_job {	3547	cf::sync_job {
2632	eval {	3548	eval {
2633	BDB::db_env_open	3549	BDB::db_env_open
2634	$DB_ENV,	3550	$DB_ENV,
2635	$BDB_ENV_DIR,	3551	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3554	0666;
2639		3555
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641		3557
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;	3559	$DB_ENV->set_lk_detect;
2644	};	3560	};
2645		3561
…		…
2661	prio => 6,	3577	prio => 6,
2662	cb => \&IO::AIO::poll_cb,	3578	cb => \&IO::AIO::poll_cb,
2663	);	3579	);
2664	}	3580	}
2665		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
		3622
2666	END { cf::emergency_save }	3623	END { cf::emergency_save }
2667		3624
2668	1	3625	1
2669		3626

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