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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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 3.61 ();	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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	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
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	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(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		98
81	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	136	every server tick.
119		137
120	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
132		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		206
167	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$Event::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
273	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
274		398
275	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
280		404
281	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
282		406
283	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
284		408
285	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
288		413
289	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
292	fast or be very important.	417	fast or be very important.
…		…
295		420
296	sub sync_job(&) {	421	sub sync_job(&) {
297	my ($job) = @_;	422	my ($job) = @_;
298		423
299	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
300	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
302		429
303	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
315		442
316	while ($busy) {	443	while ($busy) {
317	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
318	}	445	}
319		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
320	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
321	} else {	455	} else {
322	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
323		457
324	$job->()	458	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
344		478
345	$coro	479	$coro
346	}	480	}
347		481
348	sub write_runtime {	482	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		483
351	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
352		488
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
354	or return;
355		490
356	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		493
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
361	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
362		497
363	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	499	reset_signals;
365	and return;	500	&$cb
		501	}, @args;
366		502
367	close $fh	503	wantarray ? @res : $res[-1]
368	or return;	504	}
369		505
370	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
371	and return;
372		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
373	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
374	}	631	}
375		632
376	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
377		634
378	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
398		655
399	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	658	Crossfire TRT).
402		659
403	=over 4	660	=over 4
404		661
405	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
406		663
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
570		827
571	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		832
576	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	834	my $pkg = shift @arg;
578		835
579	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
609	}	866	}
610		867
611	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
612	} else {	869	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	871	}
615		872
616	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
617	}	874	}
618		875
…		…
620	if (ref $_[0]) {	877	if (ref $_[0]) {
621	_object_attach @_;	878	_object_attach @_;
622	} else {	879	} else {
623	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
624	}	881	}
		882	_recalc_want;
625	};	883	};
626		884
627	# all those should be optimised	885	# all those should be optimised
628	sub cf::attachable::detach {	886	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
633	reattach ($obj);	891	reattach ($obj);
634	} else {	892	} else {
635	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
636	}	894	}
		895	_recalc_want;
637	};	896	};
638		897
639	sub cf::attachable::attached {	898	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
641		900
…		…
656	";	915	";
657	die if $@;	916	die if $@;
658	}	917	}
659		918
660	our $override;	919	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		921
663	sub override {	922	sub override {
664	$override = 1;	923	$override = 1;
665	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
666	}	925	}
667		926
668	sub do_invoke {	927	sub do_invoke {
669	my $event = shift;	928	my $event = shift;
670	my $callbacks = shift;	929	my $callbacks = shift;
671		930
672	@invoke_results = ();	931	@INVOKE_RESULTS = ();
673		932
674	local $override;	933	local $override;
675		934
676	for (@$callbacks) {	935	for (@$callbacks) {
677	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
694		953
695	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
696		955
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		959
701	=back	960	=back
702		961
703	=cut	962	=cut
704		963
705	#############################################################################	964	#############################################################################
706	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
707		977
708	sub reattach {	978	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	980	my ($obj) = @_;
711		981
…		…
756	);	1026	);
757		1027
758	sub object_freezer_save {	1028	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
760		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
761	sync_job {	1033	sync_job {
762	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
765		1038
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1061	}
789	} else {	1062	} else {
790	aio_unlink $filename;	1063	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
792	}	1065	}
793	}	1066	};
		1067
		1068	undef $guard;
794	}	1069	}
795		1070
796	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
798		1073
…		…
803		1078
804	sub object_thawer_load {	1079	sub object_thawer_load {
805	my ($filename) = @_;	1080	my ($filename) = @_;
806		1081
807	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
808		1085
809	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
810	or return;	1087	or return;
811		1088
812	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
814	or return;	1091	or return;
		1092
		1093	undef $guard;
815	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1095	}
817		1096
		1097	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
820	return ($data, $av);	1101	($data, $av)
821	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
822		1109
823	#############################################################################	1110	#############################################################################
824	# command handling &c	1111	# command handling &c
825		1112
826	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1127	}
841		1128
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1130
844	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
845		1136
846	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
847	called.	1138	called.
848		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
849	=cut	1151	=cut
850		1152
851	sub register_extcmd {	1153	sub register_extcmd {
852	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
853		1155
854	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
855	}	1163	}
856		1164
857	cf::player->attach (	1165	cf::player->attach (
858	on_command => sub {	1166	on_command => sub {
859	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1176	cf::override;
869	},	1177	},
870	on_extcmd => sub {	1178	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
872		1180
873	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1182
875	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
881	} else {	1198	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1200	}
884		1201
885	cf::override;	1202	cf::override;
886	},	1203	},
887	);	1204	);
888		1205
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
924	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1211	next unless -r $path;
926	eval {	1212
927	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
928	1	1270	}
929	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
930	}	1276	};
931	}	1277	}
932		1278
933	#############################################################################	1279	#############################################################################
934		1280
		1281	=back
		1282
935	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
936		1284
937	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
938		1286
939	=cut	1287	=cut
…		…
944		1292
945	=head3 cf::player	1293	=head3 cf::player
946		1294
947	=over 4	1295	=over 4
948		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
949	=item cf::player::find $login	1311	=item cf::player::find $login
950		1312
951	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
952		1314
953	=cut	1315	=cut
954		1316
955	sub playerdir($) {	1317	sub playerdir($) {
956	cf::localdir	1318	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1320	}
962		1321
963	sub path($) {	1322	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
995		1354
996	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
997	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
999	}	1364	}
1000	}	1365	}
1001	}	1366	}
1002		1367
…		…
1012		1377
1013	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
1015		1380
1016	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
1017	Coro::cede;	1382	cf::cede_to_tick;
1018	}	1383	}
1019		1384
1020	sub new($) {	1385	sub new($) {
1021	my ($login) = @_;	1386	my ($login) = @_;
1022		1387
…		…
1026	$self->{deny_save} = 1;	1391	$self->{deny_save} = 1;
1027		1392
1028	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
1029		1394
1030	$self	1395	$self
		1396	}
		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
1031	}	1406	}
1032		1407
1033	=item $pl->quit_character	1408	=item $pl->quit_character
1034		1409
1035	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1085		1460
1086	=cut	1461	=cut
1087		1462
1088	sub list_logins {	1463	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1465	or return [];
1091		1466
1092	my @logins;	1467	my @logins;
1093		1468
1094	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1098		1478
1099	utf8::decode $login;	1479	utf8::decode $login;
1100	push @logins, $login;	1480	push @logins, $login;
1101	}	1481	}
1102		1482
…		…
1129	}	1509	}
1130		1510
1131	\@paths	1511	\@paths
1132	}	1512	}
1133		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1134	=item $player->ext_reply ($msgid, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1135		1566
1136	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1137		1568
1138	=cut	1569	=cut
1139		1570
1140	sub ext_reply($$%) {	1571	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1142		1573
1143	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1575	}
1147		1576
1148	=item $player->ext_event ($type, %msg)	1577	=item $player->ext_msg ($type, @msg)
1149		1578
1150	Sends an ext event to the client.	1579	Sends an ext event to the client.
1151		1580
1152	=cut	1581	=cut
1153		1582
1154	sub ext_event($$%) {	1583	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1584	my ($self, $type, @msg) = @_;
1156		1585
1157	$self->ns->ext_event ($type, %msg);	1586	$self->ns->ext_msg ($type, @msg);
1158	}	1587	}
1159		1588
1160	=head3 cf::region	1589	=head3 cf::region
1161		1590
1162	=over 4	1591	=over 4
…		…
1165		1594
1166	package cf::region;	1595	package cf::region;
1167		1596
1168	=item cf::region::find_by_path $path	1597	=item cf::region::find_by_path $path
1169		1598
1170	Tries to decuce the probable region for a map knowing only its path.	1599	Tries to decuce the likely region for a map knowing only its path.
1171		1600
1172	=cut	1601	=cut
1173		1602
1174	sub find_by_path($) {	1603	sub find_by_path($) {
1175	my ($path) = @_;	1604	my ($path) = @_;
1176		1605
1177	my ($match, $specificity);	1606	my ($match, $specificity);
1178		1607
1179	for my $region (list) {	1608	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1609	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1610	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1611	if $region->specificity > $specificity;
1183	}	1612	}
1184	}	1613	}
1185		1614
…		…
1249	my ($self, $merge) = @_;	1678	my ($self, $merge) = @_;
1250		1679
1251	# we have to keep some variables in memory intact	1680	# we have to keep some variables in memory intact
1252	local $self->{path};	1681	local $self->{path};
1253	local $self->{load_path};	1682	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1683
1257	$self->SUPER::thawer_merge ($merge);	1684	$self->SUPER::thawer_merge ($merge);
1258	}	1685	}
1259		1686
1260	sub normalise {	1687	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1308	return $self;	1735	return $self;
1309	}	1736	}
1310	}	1737	}
1311		1738
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1740	()
1314	}	1741	}
1315		1742
1316	sub init {	1743	sub init {
1317	my ($self) = @_;	1744	my ($self) = @_;
…		…
1332		1759
1333	# the original (read-only) location	1760	# the original (read-only) location
1334	sub load_path {	1761	sub load_path {
1335	my ($self) = @_;	1762	my ($self) = @_;
1336		1763
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1338	}	1765	}
1339		1766
1340	# the temporary/swap location	1767	# the temporary/swap location
1341	sub save_path {	1768	sub save_path {
1342	my ($self) = @_;	1769	my ($self) = @_;
1343		1770
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1346	}	1773	}
1347		1774
1348	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1349	sub uniq_path {	1776	sub uniq_path {
1350	my ($self) = @_;	1777	my ($self) = @_;
1351		1778
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1354	}	1781	}
1355		1782
1356	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1357	# all maps in C++...	1784	# all maps in C++...
1358	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1360		1787
1361	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1363	}	1790	}
1364		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1365	sub unlink_save {	1800	sub unlink_save {
1366	my ($self) = @_;	1801	my ($self) = @_;
1367		1802
1368	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1807
1373	sub load_header_from($) {	1808	sub load_header_from($) {
1374	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1375		1810
1376	utf8::encode $path;	1811	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1813	or return;
		1814
		1815	$self->_load_header ($f)
		1816	or return;
		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
1382		1820
1383	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1384		1822
1385	1	1823	1
1386	}	1824	}
…		…
1425	$self->load_header_orig	1863	$self->load_header_orig
1426	or return;	1864	or return;
1427	$self->prepare_orig;	1865	$self->prepare_orig;
1428	}	1866	}
1429		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
1430	$self->default_region (cf::region::find_by_path $self->{path})	1871	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1872	unless $self->default_region;
1432		1873
1433	1	1874	1
1434	}	1875	}
…		…
1437	sub find {	1878	sub find {
1438	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1439		1880
1440	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1441		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1443		1885
1444	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1446	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1447	or return;	1891	or return;
1448		1892
1449	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1450		1894
1451	$map->load_header	1895	$map->load_header
1452	or return;	1896	or return;
1453		1897
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1899	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1457	$map->reset;	1903	$map->reset;
1458	undef $guard;
1459	return find $path;	1904	return find $path;
1460	}	1905	}
1461		1906
1462	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1463	}	1908	}
…		…
1470	my ($self) = @_;	1915	my ($self) = @_;
1471		1916
1472	local $self->{deny_reset} = 1; # loading can take a long time	1917	local $self->{deny_reset} = 1; # loading can take a long time
1473		1918
1474	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1476		1923
		1924	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1926
1479	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1480		1928
1481	$self->alloc;	1929	$self->alloc;
1482		1930
1483	$self->pre_load;	1931	$self->pre_load;
1484	Coro::cede;	1932	cf::cede_to_tick;
1485		1933
1486	$self->_load_objects ($self->{load_path}, 1)	1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1487	or return;	1937	or return;
1488		1938
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1940	if delete $self->{load_original};
1491		1941
1492	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1943	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1946	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1497	}	1950	}
1498	}	1951	}
1499		1952
1500	Coro::cede;	1953	$f->resolve_delayed_derefs;
		1954
		1955	cf::cede_to_tick;
1501	# now do the right thing for maps	1956	# now do the right thing for maps
1502	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1959	unless $self->difficulty;
1513	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1514	$self->activate;	1969	$self->activate;
1515	Coro::cede;	1970	}
		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
		1975	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1976	}
1517		1977
1518	$self->post_load;	1978	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1979	}
1523		1980
1524	sub customise_for {	1981	sub customise_for {
1525	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1526		1983
1527	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1985	if $self->per_player;
1529		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1530	$self	1990	$self
1531	}	1991	}
1532		1992
1533	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	1994	sub load_neighbours {
1535	my ($map) = @_;	1995	my ($map) = @_;
1536		1996
1537	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1538		1998
1539	for (0 .. 3) {	1999	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1541	or next;	2001	or next;
1542	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1543	or next;	2003	or next;
1544	$neigh->load;	2004	$neigh->load;
1545		2005
		2006	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2009	}
1549		2010
1550	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1552	or next;	2014	or next;
1553	$neigh->load;	2015	$neigh->load;
1554	}	2016	}
1555	}	2017	}
1556		2018
…		…
1561	}	2023	}
1562		2024
1563	sub do_load_sync {	2025	sub do_load_sync {
1564	my ($map) = @_;	2026	my ($map) = @_;
1565		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1566	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1567	}	2032	}
1568		2033
1569	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2035	our $MAP_PREFETCHER = undef;
1571		2036
1572	sub find_async {	2037	sub find_async {
1573	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1574		2039
1575	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1576		2041
1577	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2044	}
1580		2045
1581	undef $MAP_PREFETCH{$path};	2046	$MAP_PREFETCH{$path} |= $load;
		2047
1582	$MAP_PREFETCHER ||= cf::async {	2048	$MAP_PREFETCHER ||= cf::async {
1583	while (%MAP_PREFETCH) {	2049	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2050	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2051	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2052	$map->load if $v;
		2053	}
1588		2054
1589	delete $MAP_PREFETCH{$path};	2055	delete $MAP_PREFETCH{$k};
1590	}	2056	}
1591	}	2057	}
1592	undef $MAP_PREFETCHER;	2058	undef $MAP_PREFETCHER;
1593	};	2059	};
1594	$MAP_PREFETCHER->prio (6);	2060	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2063	}
1598		2064
1599	sub save {	2065	sub save {
1600	my ($self) = @_;	2066	my ($self) = @_;
1601		2067
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2069
1604	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1605		2071
1606	return unless $self->dirty;	2072	return unless $self->dirty;
1607		2073
…		…
1630	my ($self) = @_;	2096	my ($self) = @_;
1631		2097
1632	# save first because save cedes	2098	# save first because save cedes
1633	$self->save;	2099	$self->save;
1634		2100
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2102
1637	return if $self->players;	2103	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2105	return if $self->{deny_save};
1640		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2111	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2112	}
1644		2113
1645	sub reset_at {	2114	sub reset_at {
1646	my ($self) = @_;	2115	my ($self) = @_;
1647		2116
1648	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1651		2119
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2122
…		…
1665	my ($self) = @_;	2133	my ($self) = @_;
1666		2134
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2136
1669	return if $self->players;	2137	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2138
1672	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1673		2140
1674	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1675		2142
1676	# need to save uniques path	2143	# need to save uniques path
1677	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2148	if $uniq;
1682	}	2149	}
1683		2150
1684	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1685		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2155	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2156
1690	$self->unlink_save;	2157	$self->unlink_save;
1691	$self->destroy;	2158	$self->destroy;
1692	}	2159	}
1693		2160
1694	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1695		2162
1696	sub nuke {	2163	sub nuke {
1697	my ($self) = @_;	2164	my ($self) = @_;
1698		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1699	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1700		2170
1701	$self->unlink_save;	2171	$self->unlink_save;
1702		2172
1703	bless $self, "cf::map";	2173	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2178
1709	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1710		2181
1711	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1712	}	2219	}
1713		2220
1714	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1715		2222
1716	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2224	instantiated unique items. May block.
1718		2225
1719	=cut	2226	=cut
1720		2227
1721	sub unique_maps() {	2228	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1723	or return;	2230	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2231	utf8::decode $_;
1729	next if /\.pst$/;	2232	/\.map$/
1730	next unless /^$PATH_SEP/o;	2233	? normalise $_
1731		2234	: ()
1732	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2236	]
1734
1735	\@paths
1736	}	2237	}
1737		2238
1738	package cf;	2239	package cf;
1739		2240
1740	=back	2241	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1759	}	2260	}
1760		2261
1761	sub inv_recursive {	2262	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1763	}	2295	}
1764		2296
1765	package cf;	2297	package cf;
1766		2298
1767	=back	2299	=back
…		…
1786		2318
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2320
1789	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1791	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1794	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1795	}	2346	}
1796		2347
1797	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1798		2349
1799	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1847		2398
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2400
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1852		2403
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2405	}
1855		2406
1856	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1858		2411
1859	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1860		2413
1861	unless ($map) {	2414	unless ($map) {
1862	# restore original map position	2415	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1879		2432
1880	$map->load;	2433	$map->load;
1881	$map->load_diag;	2434	$map->load_neighbours;
1882		2435
1883	return unless $self->contr->active;	2436	return unless $self->contr->active;
1884	$self->activate_recursive;	2437	$self->activate_recursive;
1885		2438
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1888	}	2441	}
1889		2442
1890	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2444
1894	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1898	};	2449	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2450
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1925		2454
1926	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2460
1929	$self->enter_link;	2461	$self->enter_link;
1930		2462
1931	(async {	2463	(async {
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1932	my $map = eval {	2483	my $map = eval {
1933	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1935	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2499	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1940	})->prio (1);	2507	})->prio (1);
1941	}	2508	}
1942		2509
1943	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1944		2511
…		…
1983		2550
1984	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1985		2552
1986	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1989		2556
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2559	undef $fh;
1993	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2015		2582
2016	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
2017		2588
2018	(async {	2589	(async {
2019	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2591	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2592	$self->goto ($slaying, $hp, $sp);
…		…
2049		2620
2050	utf8::encode $text;	2621	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2623	}
2053		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
2054	=item $client->ext_event ($type, %msg)	2706	=item $client->ext_msg ($type, @msg)
2055		2707
2056	Sends an exti event to the client.	2708	Sends an ext event to the client.
2057		2709
2058	=cut	2710	=cut
2059		2711
2060	sub cf::client::ext_event($$%) {	2712	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2713	my ($self, $type, @msg) = @_;
2062		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2718	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
2065	}	2739	}
2066		2740
2067	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
2068		2742
2069	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2746
2073	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2748	become reliable at some point in the future.
2075		2749
2076	=cut	2750	=cut
2077		2751
2078	sub cf::client::query {	2752	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2761	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2763
2090	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
2092	}	2768	}
2093		2769
2094	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
2095	on_reply => sub {	2776	on_reply => sub {
2096	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
2097		2778
2098	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
2099	# get handled first	2780	# get handled first
…		…
2111	} else {	2792	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2794	}
2114	}	2795	}
2115	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
2116	);	2823	);
2117		2824
2118	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
2119		2826
2120	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
2163		2870
2164	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
2165		2872
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
2167		2878
2168	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
2169		2880
2170	=pod	2881	=pod
2171		2882
2172	The following functions and methods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
2173		2884
2174	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
2175	cf::object::player player	2889	cf::object::player
2176	cf::player peaceful	2890	player
2177	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
2178		2897
2179	=cut	2898	=cut
2180		2899
2181	for (	2900	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2183	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2186	) {	2907	) {
2187	no strict 'refs';	2908	no strict 'refs';
…		…
2258	=back	2979	=back
2259		2980
2260	=cut	2981	=cut
2261		2982
2262	#############################################################################	2983	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2984	# the server's init and main functions
2336		2985
2337	sub load_facedata {	2986	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2987	my ($path) = @_;
		2988
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		2994
2340	warn "loading facedata from $path\n";	2995	warn "loading facedata from $path\n";
2341		2996
2342	my $facedata;	2997	my $facedata;
2343	0 < aio_load $path, $facedata	2998	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3001	$facedata = Coro::Storable::thaw $facedata;
2347		3002
2348	$facedata->{version} == 2	3003	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3005
		3006	# patch in the exptable
		3007	$facedata->{resource}{"res/exp_table"} = {
		3008	type => FT_RSRC,
		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3010	};
		3011	cf::cede_to_tick;
		3012
2351	{	3013	{
2352	my $faces = $facedata->{faceinfo};	3014	my $faces = $facedata->{faceinfo};
2353		3015
2354	while (my ($face, $info) = each %$faces) {	3016	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3018	cf::face::set_visibility $idx, $info->{visibility};
		3019	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3022
		3023	cf::cede_to_tick;
2360	}	3024	}
2361		3025
2362	while (my ($face, $info) = each %$faces) {	3026	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3027	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3028	my $idx = cf::face::find $face
2365	or next;	3029	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3033	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3035	}
2371	Coro::cede;	3036
		3037	cf::cede_to_tick;
2372	}	3038	}
2373	}	3039	}
2374		3040
2375	{	3041	{
2376	my $anims = $facedata->{animinfo};	3042	my $anims = $facedata->{animinfo};
2377		3043
2378	while (my ($anim, $info) = each %$anims) {	3044	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3046	cf::cede_to_tick;
2381	}	3047	}
2382		3048
2383	cf::anim::invalidate_all; # d'oh	3049	cf::anim::invalidate_all; # d'oh
2384	}	3050	}
2385		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
2386	1	3101	1
2387	}	3102	}
2388		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
		3118	or die "unable to load regions file\n";
		3119
		3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
2389	sub load_archetypes {	3131	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3132	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
2392	}	3139	}
2393		3140
2394	sub load_treasures {	3141	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
2396	}	3144	}
2397		3145
2398	sub reload_resources {	3146	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3147	warn "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3148
		3149	reload_regions;
2401	load_facedata	3150	reload_facedata;
2402	or die "unable to load facedata\n";	3151	#reload_archetypes;#d#
2403	load_archetypes	3152	reload_archetypes;
2404	or die "unable to load archetypes\n";
2405	load_treasures	3153	reload_treasures;
2406	or die "unable to load treasurelists\n";	3154
		3155	warn "finished reloading resource files\n";
2407	}	3156	}
2408		3157
2409	sub init {	3158	sub init {
2410	reload_resources;	3159	reload_resources;
2411	}	3160	}
2412		3161
2413	sub cfg_load {	3162	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2415	or return;	3164	or return;
2416		3165
2417	local $/;	3166	local $/;
2418	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2419		3168
…		…
2438	(async {	3187	(async {
2439	Event::one_event;	3188	Event::one_event;
2440	})->prio (Coro::PRIO_MAX);	3189	})->prio (Coro::PRIO_MAX);
2441	};	3190	};
2442		3191
2443	cfg_load;	3192	reload_config;
2444	db_init;	3193	db_init;
2445	load_extensions;	3194	load_extensions;
2446		3195
2447	$TICK_WATCHER->start;	3196	$TICK_WATCHER->start;
2448	Event::loop;	3197	Event::loop;
…		…
2464	},	3213	},
2465	);	3214	);
2466	}	3215	}
2467	}	3216	}
2468		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
		3254	}
		3255
2469	sub emergency_save() {	3256	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2471		3258
2472	warn "enter emergency perl save\n";	3259	warn "enter emergency perl save\n";
2473		3260
…		…
2504		3291
2505	warn Carp::longmess "post_cleanup backtrace"	3292	warn Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3293	if $make_core;
2507	}	3294	}
2508		3295
2509	sub reload() {	3296	sub do_reload_perl() {
2510	# can/must only be called in main	3297	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2512	warn "can only reload from main coroutine";	3299	warn "can only reload from main coroutine";
2513	return;	3300	return;
2514	}	3301	}
…		…
2548	%EXT_CORO = ();	3335	%EXT_CORO = ();
2549		3336
2550	warn "removing commands";	3337	warn "removing commands";
2551	%COMMAND = ();	3338	%COMMAND = ();
2552		3339
2553	warn "removing ext commands";	3340	warn "removing ext/exti commands";
2554	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2555		3343
2556	warn "unloading/nuking all extensions";	3344	warn "unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2559		3347
…		…
2589	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		3379
2592	warn "unloading cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2594		3383
2595	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2596	# and global variables created in xs	3385	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2598		3387
…		…
2601	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2602	require cf;	3391	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2604		3393
2605	warn "loading config and database again";	3394	warn "loading config and database again";
2606	cf::cfg_load;	3395	cf::reload_config;
2607		3396
2608	warn "loading extensions";	3397	warn "loading extensions";
2609	cf::load_extensions;	3398	cf::load_extensions;
2610		3399
2611	warn "reattaching attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
…		…
2613	warn "reattaching attachments to maps";	3402	warn "reattaching attachments to maps";
2614	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	3404	warn "reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	3405	reattach $_ for values %PLAYER;
2617		3406
2618	warn "loading reloadable resources";
2619	reload_resources;
2620
2621	warn "leaving sync_job";	3407	warn "leaving sync_job";
2622		3408
2623	1	3409	1
2624	} or do {	3410	} or do {
2625	warn $@;	3411	warn $@;
…		…
2630	warn "reloaded";	3416	warn "reloaded";
2631	};	3417	};
2632		3418
2633	our $RELOAD_WATCHER; # used only during reload	3419	our $RELOAD_WATCHER; # used only during reload
2634		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2635	register_command "reload" => sub {	3436	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2637		3438
2638	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	3440	$who->message ("reloading server.");
2640		3441	async { reload_perl };
2641	# doing reload synchronously and two reloads happen back-to-back,
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);
2653	}	3442	}
2654	};	3443	};
2655		3444
2656	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
2657		3446
…		…
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	3479	unless ++$bug_warning > 10;
2691	return;	3480	return;
2692	}	3481	}
2693		3482
2694	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2695		3484
2696	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2697	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2699		3489
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2710	}	3500	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {	3501	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;	3502	$sig->send;
2713	}	3503	}
2714		3504
2715	# my $AFTER = Event::time;	3505	$NOW = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717		3506
2718	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2720		3509
2721	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2723	},	3517	},
2724	);	3518	);
2725		3519
2726	{	3520	{
		3521	BDB::min_parallel 8;
2727	BDB::max_poll_time $TICK * 0.1;	3522	BDB::max_poll_time $TICK * 0.1;
2728	$BDB_POLL_WATCHER = Event->io (	3523	$BDB_POLL_WATCHER = Event->io (
2729	reentrant => 0,	3524	reentrant => 0,
2730	fd => BDB::poll_fileno,	3525	fd => BDB::poll_fileno,
2731	poll => 'r',	3526	poll => 'r',
2732	prio => 0,	3527	prio => 0,
2733	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
2734	cb => \&BDB::poll_cb,	3529	cb => \&BDB::poll_cb,
2735	);	3530	);
2736	BDB::min_parallel 8;
2737		3531
2738	BDB::set_sync_prepare {	3532	BDB::set_sync_prepare {
2739	my $status;	3533	my $status;
2740	my $current = $Coro::current;	3534	my $current = $Coro::current;
2741	(	3535	(
…		…
2750	)	3544	)
2751	};	3545	};
2752		3546
2753	unless ($DB_ENV) {	3547	unless ($DB_ENV) {
2754	$DB_ENV = BDB::db_env_create;	3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2755		3553
2756	cf::sync_job {	3554	cf::sync_job {
2757	eval {	3555	eval {
2758	BDB::db_env_open	3556	BDB::db_env_open
2759	$DB_ENV,	3557	$DB_ENV,
2760	$BDB_ENV_DIR,	3558	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	3561	0666;
2764		3562
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;
2769	};	3564	};
2770		3565
2771	cf::cleanup "db_env_open(db): $@" if $@;	3566	cf::cleanup "db_env_open(db): $@" if $@;
2772	};	3567	};
2773	}	3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
		3571	after => 3,
		3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
		3576	cb => sub {
		3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3578	},
		3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2774	}	3600	}
2775		3601
2776	{	3602	{
2777	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2778		3604
…		…
2786	prio => 6,	3612	prio => 6,
2787	cb => \&IO::AIO::poll_cb,	3613	cb => \&IO::AIO::poll_cb,
2788	);	3614	);
2789	}	3615	}
2790		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
		3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
		3652	}
		3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
		3657
2791	END { cf::emergency_save }	3658	END { cf::emergency_save }
2792		3659
2793	1	3660	1
2794		3661

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