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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
…		…
63	our %CFG;	87	our %CFG;
64		88
65	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	90	our $RUNTIME;
67		91
68	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		95
77	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
80	binmode STDOUT;	103	binmode STDOUT;
81	binmode STDERR;	104	binmode STDERR;
82		105
83	# read virtual server time, if available	106	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
88	}	111	}
89		112
90	mkdir cf::localdir;	113	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		115
97	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
98		117
99	sub cf::map::normalise;	118	sub cf::map::normalise;
100		119
…		…
111	=item $cf::RUNTIME	130	=item $cf::RUNTIME
112		131
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	133	every server tick.
115		134
116	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		138
118	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
120		143
121	=item $cf::NOW	144	=item $cf::NOW
122		145
123	The time of the last (current) server tick.	146	The time of the last (current) server tick.
124		147
125	=item $cf::TICK	148	=item $cf::TICK
126		149
127	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
128		161
129	=item %cf::CFG	162	=item %cf::CFG
130		163
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	165	from wherever your confdir points to.
133		166
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		168
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
140		178
141	=back	179	=back
142		180
143	=cut	181	=cut
144		182
145	BEGIN {	183	BEGIN {
146	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	185	my $msg = join "", @_;
148	utf8::encode $msg;
149		186
150	$msg .= "\n"	187	$msg .= "\n"
151	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		191
153	LOG llevError, $msg;	192	LOG llevError, $msg;
154	};	193	};
155	}	194	}
156		195
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		203
164	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	205	# within the Safe compartment.
166	for my $pkg (qw(	206	for my $pkg (qw(
167	cf::global cf::attachable	207	cf::global cf::attachable
…		…
175	}	215	}
176		216
177	$Event::DIED = sub {	217	$Event::DIED = sub {
178	warn "error in event callback: @_";	218	warn "error in event callback: @_";
179	};	219	};
		220
		221	#############################################################################
180		222
181	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
182		224
183	=over 4	225	=over 4
184		226
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	246	$d
205	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
206	}	248	}
207		249
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
211		251
212	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
213		253
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
222		255
223	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
224		257
225	=cut	258	=cut
226		259
227	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
229	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
231		264
232	=item cf::lock_wait $string	265	=item cf::lock_wait $string
233		266
234	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
235		268
…		…
238	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
241	returned.	274	returned.
242		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
243	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
245		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
246	=cut	286	=cut
247		287
248	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
249		290
250	sub lock_wait($) {	291	sub lock_wait($) {
251	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
252		298
253	# wait for lock, if any	299	# wait for lock, if any
254	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	302	Coro::schedule;
…		…
262		308
263	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
264	lock_wait $key;	310	lock_wait $key;
265		311
266	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
267		314
268	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
271	}	319	}
		320	}
		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
272	}	326	}
273		327
274	sub freeze_mainloop {	328	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
276		330
…		…
279	};	333	};
280	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
281	$guard	335	$guard
282	}	336	}
283		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
		392	}
		393
284	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
285		395
286	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	397	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	398	thing you are allowed to do is call C<prio> on it.
…		…
291		401
292	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
293		403
294	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
295		405
296	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
299		410
300	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
303	fast or be very important.	414	fast or be very important.
…		…
306		417
307	sub sync_job(&) {	418	sub sync_job(&) {
308	my ($job) = @_;	419	my ($job) = @_;
309		420
310	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
311	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
313		426
314	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
326		439
327	while ($busy) {	440	while ($busy) {
328	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
329	}	442	}
330		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
331	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
332	} else {	452	} else {
333	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
334		454
335	$job->()	455	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
355		475
356	$coro	476	$coro
357	}	477	}
358		478
359	sub write_runtime {	479	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		480
362	my $runtime = cf::localdir . "/runtime";	481	Executes the given code block with the given arguments in a seperate
		482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
363		485
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	486	=cut
365	or return;
366		487
367	my $value = $cf::RUNTIME + 90 + 10;	488	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	489	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		490
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	# we seemingly have to make a local copy of the whole thing,
372	and return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
373		494
374	# always fsync - this file is important	495	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	496	reset_signals;
376	and return;	497	&$cb
		498	}, @args;
377		499
378	close $fh	500	wantarray ? @res : $res[-1]
379	or return;	501	}
380		502
381	aio_rename "$runtime~", $runtime	503	=item $value = cf::db_get $family => $key
382	and return;
383		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
384	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	628	}
386		629
387	=back	630	=back
388		631
389	=cut	632	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
398		641
399	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	644	Crossfire TRT).
402		645
403	=over 4	646	=over 4
404		647
405	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
406		649
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
570		813
571	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		818
576	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	820	my $pkg = shift @arg;
578		821
579	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
609	}	852	}
610		853
611	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
612	} else {	855	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	857	}
615		858
616	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
617	}	860	}
618		861
…		…
620	if (ref $_[0]) {	863	if (ref $_[0]) {
621	_object_attach @_;	864	_object_attach @_;
622	} else {	865	} else {
623	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
624	}	867	}
		868	_recalc_want;
625	};	869	};
626		870
627	# all those should be optimised	871	# all those should be optimised
628	sub cf::attachable::detach {	872	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
633	reattach ($obj);	877	reattach ($obj);
634	} else {	878	} else {
635	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
636	}	880	}
		881	_recalc_want;
637	};	882	};
638		883
639	sub cf::attachable::attached {	884	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
641		886
…		…
656	";	901	";
657	die if $@;	902	die if $@;
658	}	903	}
659		904
660	our $override;	905	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		907
663	sub override {	908	sub override {
664	$override = 1;	909	$override = 1;
665	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
666	}	911	}
667		912
668	sub do_invoke {	913	sub do_invoke {
669	my $event = shift;	914	my $event = shift;
670	my $callbacks = shift;	915	my $callbacks = shift;
671		916
672	@invoke_results = ();	917	@INVOKE_RESULTS = ();
673		918
674	local $override;	919	local $override;
675		920
676	for (@$callbacks) {	921	for (@$callbacks) {
677	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
694		939
695	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
696		941
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		945
701	=back	946	=back
702		947
703	=cut	948	=cut
704		949
705	#############################################################################	950	#############################################################################
706	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
707		963
708	sub reattach {	964	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	966	my ($obj) = @_;
711		967
…		…
756	);	1012	);
757		1013
758	sub object_freezer_save {	1014	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
760		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
761	sync_job {	1019	sync_job {
762	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
765		1024
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
788	}	1047	}
789	} else {	1048	} else {
790	aio_unlink $filename;	1049	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
792	}	1051	}
793	}	1052	};
		1053
		1054	undef $guard;
794	}	1055	}
795		1056
796	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
798		1059
…		…
803		1064
804	sub object_thawer_load {	1065	sub object_thawer_load {
805	my ($filename) = @_;	1066	my ($filename) = @_;
806		1067
807	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
808		1071
809	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
810	or return;	1073	or return;
811		1074
812	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
814	or return;	1077	or return;
		1078
		1079	undef $guard;
815	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1081	}
817		1082
		1083	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
820	return ($data, $av);	1087	($data, $av)
821	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
822		1095
823	#############################################################################	1096	#############################################################################
824	# command handling &c	1097	# command handling &c
825		1098
826	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1113	}
841		1114
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1116
844	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
845		1122
846	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
847	called.	1124	called.
848		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
849	=cut	1137	=cut
850		1138
851	sub register_extcmd {	1139	sub register_extcmd {
852	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
853		1141
854	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
855	}	1149	}
856		1150
857	cf::player->attach (	1151	cf::player->attach (
858	on_command => sub {	1152	on_command => sub {
859	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1162	cf::override;
869	},	1163	},
870	on_extcmd => sub {	1164	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
872		1166
873	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1168
875	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
881	} else {	1184	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1186	}
884		1187
885	cf::override;	1188	cf::override;
886	},	1189	},
887	);	1190	);
888		1191
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 {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
924	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1197	next unless -r $path;
926	eval {	1198
927	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
928	1	1256	}
929	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
930	}	1262	};
931	}	1263	}
932		1264
933	#############################################################################	1265	#############################################################################
934		1266
		1267	=back
		1268
935	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
936		1270
937	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
938		1272
939	=cut	1273	=cut
…		…
944		1278
945	=head3 cf::player	1279	=head3 cf::player
946		1280
947	=over 4	1281	=over 4
948		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
949	=item cf::player::find $login	1297	=item cf::player::find $login
950		1298
951	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
952		1300
953	=cut	1301	=cut
954		1302
955	sub playerdir($) {	1303	sub playerdir($) {
956	cf::localdir	1304	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1306	}
962		1307
963	sub path($) {	1308	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1310
966	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
967	}	1312	}
968		1313
969	sub find_active($) {	1314	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1329	my $login = $_[0];
985		1330
986	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
987		1332
988	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
990	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
991	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
992	}	1350	}
993	}	1351	}
994	}	1352	}
995		1353
…		…
1005		1363
1006	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1008		1366
1009	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1010	Coro::cede;	1368	cf::cede_to_tick;
1011	}	1369	}
1012		1370
1013	sub new($) {	1371	sub new($) {
1014	my ($login) = @_;	1372	my ($login) = @_;
1015		1373
…		…
1019	$self->{deny_save} = 1;	1377	$self->{deny_save} = 1;
1020		1378
1021	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1022		1380
1023	$self	1381	$self
		1382	}
		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
1024	}	1392	}
1025		1393
1026	=item $pl->quit_character	1394	=item $pl->quit_character
1027		1395
1028	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1078		1446
1079	=cut	1447	=cut
1080		1448
1081	sub list_logins {	1449	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1451	or return [];
1084		1452
1085	my @logins;	1453	my @logins;
1086		1454
1087	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1091		1464
1092	utf8::decode $login;	1465	utf8::decode $login;
1093	push @logins, $login;	1466	push @logins, $login;
1094	}	1467	}
1095		1468
…		…
1122	}	1495	}
1123		1496
1124	\@paths	1497	\@paths
1125	}	1498	}
1126		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1128		1552
1129	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1130		1554
1131	=cut	1555	=cut
1132		1556
1133	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1135		1559
1136	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1561	}
1140		1562
1141	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1142		1603
1143	=back	1604	=back
1144
1145		1605
1146	=head3 cf::map	1606	=head3 cf::map
1147		1607
1148	=over 4	1608	=over 4
1149		1609
…		…
1204	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1205		1665
1206	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1207	local $self->{path};	1667	local $self->{path};
1208	local $self->{load_path};	1668	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1669
1212	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1213	}	1671	}
1214		1672
1215	sub normalise {	1673	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1263	return $self;	1721	return $self;
1264	}	1722	}
1265	}	1723	}
1266		1724
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1726	()
1269	}	1727	}
1270		1728
1271	sub init {	1729	sub init {
1272	my ($self) = @_;	1730	my ($self) = @_;
…		…
1287		1745
1288	# the original (read-only) location	1746	# the original (read-only) location
1289	sub load_path {	1747	sub load_path {
1290	my ($self) = @_;	1748	my ($self) = @_;
1291		1749
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1293	}	1751	}
1294		1752
1295	# the temporary/swap location	1753	# the temporary/swap location
1296	sub save_path {	1754	sub save_path {
1297	my ($self) = @_;	1755	my ($self) = @_;
1298		1756
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1301	}	1759	}
1302		1760
1303	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1304	sub uniq_path {	1762	sub uniq_path {
1305	my ($self) = @_;	1763	my ($self) = @_;
1306		1764
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1309	}	1767	}
1310		1768
1311	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1312	# all maps in C++...	1770	# all maps in C++...
1313	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1315		1773
1316	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1318	}	1776	}
1319		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1320	sub unlink_save {	1786	sub unlink_save {
1321	my ($self) = @_;	1787	my ($self) = @_;
1322		1788
1323	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1793
1328	sub load_header_from($) {	1794	sub load_header_from($) {
1329	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1330		1796
1331	utf8::encode $path;	1797	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1337		1806
1338	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1339		1808
1340	1	1809	1
1341	}	1810	}
…		…
1380	$self->load_header_orig	1849	$self->load_header_orig
1381	or return;	1850	or return;
1382	$self->prepare_orig;	1851	$self->prepare_orig;
1383	}	1852	}
1384		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
1385	1	1860	1
1386	}	1861	}
1387		1862
1388	sub find;	1863	sub find;
1389	sub find {	1864	sub find {
1390	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1391		1866
1392	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1393		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1395		1871
1396	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1398	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1399	or return;	1877	or return;
1400		1878
1401	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1402		1880
1403	$map->load_header	1881	$map->load_header
1404	or return;	1882	or return;
1405		1883
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1409	$map->reset;	1889	$map->reset;
1410	undef $guard;
1411	return find $path;	1890	return find $path;
1412	}	1891	}
1413		1892
1414	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1415	}	1894	}
…		…
1422	my ($self) = @_;	1901	my ($self) = @_;
1423		1902
1424	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1425		1904
1426	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1428		1909
		1910	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		1912
1431	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1432		1914
1433	$self->alloc;	1915	$self->alloc;
1434		1916
1435	$self->pre_load;	1917	$self->pre_load;
		1918	cf::cede_to_tick;
1436		1919
1437	$self->_load_objects ($self->{load_path}, 1)	1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1438	or return;	1923	or return;
1439		1924
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1926	if delete $self->{load_original};
1442		1927
1443	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1929	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	1932	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1448	}	1936	}
1449	}	1937	}
1450		1938
1451	Coro::cede;	1939	$f->resolve_delayed_derefs;
1452		1940
		1941	cf::cede_to_tick;
1453	# now do the right thing for maps	1942	# now do the right thing for maps
1454	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1945	unless $self->difficulty;
1464	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1465	$self->activate;	1955	$self->activate;
		1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
		1961	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1962	}
1467		1963
1468	$self->post_load;	1964	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1965	}
1472		1966
1473	sub customise_for {	1967	sub customise_for {
1474	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1475		1969
1476	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1971	if $self->per_player;
1478		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1479	$self	1976	$self
1480	}	1977	}
1481		1978
1482	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1980	sub load_neighbours {
1484	my ($map) = @_;	1981	my ($map) = @_;
1485		1982
1486	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1487		1984
1488	for (0 .. 3) {	1985	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1490	or next;	1987	or next;
1491	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1492	or next;	1989	or next;
1493	$neigh->load;	1990	$neigh->load;
1494		1991
		1992	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	1995	}
1498		1996
1499	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1501	or next;	2000	or next;
1502	$neigh->load;	2001	$neigh->load;
1503	}	2002	}
1504	}	2003	}
1505		2004
…		…
1510	}	2009	}
1511		2010
1512	sub do_load_sync {	2011	sub do_load_sync {
1513	my ($map) = @_;	2012	my ($map) = @_;
1514		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1515	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1516	}	2018	}
1517		2019
1518	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1520		2022
1521	sub find_async {	2023	sub find_async {
1522	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1523		2025
1524	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1525		2027
1526	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2030	}
1529		2031
1530	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1531	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2037	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2038	$map->load if $v;
		2039	}
1537		2040
1538	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1539	}	2042	}
1540	}	2043	}
1541	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1542	};	2045	};
1543	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2049	}
1547		2050
1548	sub save {	2051	sub save {
1549	my ($self) = @_;	2052	my ($self) = @_;
1550		2053
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2055
1553	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1554		2057
1555	return unless $self->dirty;	2058	return unless $self->dirty;
1556		2059
…		…
1579	my ($self) = @_;	2082	my ($self) = @_;
1580		2083
1581	# save first because save cedes	2084	# save first because save cedes
1582	$self->save;	2085	$self->save;
1583		2086
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2088
1586	return if $self->players;	2089	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2091	return if $self->{deny_save};
1589		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2097	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2098	}
1593		2099
1594	sub reset_at {	2100	sub reset_at {
1595	my ($self) = @_;	2101	my ($self) = @_;
1596		2102
1597	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1600		2105
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2108
…		…
1614	my ($self) = @_;	2119	my ($self) = @_;
1615		2120
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2122
1618	return if $self->players;	2123	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2124
1621	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1622		2126
1623	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1624		2128
1625	# need to save uniques path	2129	# need to save uniques path
1626	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2134	if $uniq;
1631	}	2135	}
1632		2136
1633	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1634		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2141	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2142
1639	$self->unlink_save;	2143	$self->unlink_save;
1640	$self->destroy;	2144	$self->destroy;
1641	}	2145	}
1642		2146
1643	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1644		2148
1645	sub nuke {	2149	sub nuke {
1646	my ($self) = @_;	2150	my ($self) = @_;
1647		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1648	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1649		2156
1650	$self->unlink_save;	2157	$self->unlink_save;
1651		2158
1652	bless $self, "cf::map";	2159	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2164
1658	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1659		2167
1660	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
1661	}	2205	}
1662		2206
1663	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1664		2208
1665	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2210	instantiated unique items. May block.
1667		2211
1668	=cut	2212	=cut
1669		2213
1670	sub unique_maps() {	2214	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1672	or return;	2216	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2217	utf8::decode $_;
1678	next if /\.pst$/;	2218	/\.map$/
1679	next unless /^$PATH_SEP/o;	2219	? normalise $_
1680		2220	: ()
1681	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2222	]
1683
1684	\@paths
1685	}	2223	}
1686		2224
1687	package cf;	2225	package cf;
1688		2226
1689	=back	2227	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1708	}	2246	}
1709		2247
1710	sub inv_recursive {	2248	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1712	}	2281	}
1713		2282
1714	package cf;	2283	package cf;
1715		2284
1716	=back	2285	=back
…		…
1735		2304
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2306
1738	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1740	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1743	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1744	}	2332	}
1745		2333
1746	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1747		2335
1748	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1796		2384
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2386
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1801		2389
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2391	}
1804		2392
1805	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1807		2397
1808	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1809		2399
1810	unless ($map) {	2400	unless ($map) {
1811	# restore original map position	2401	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1828		2418
1829	$map->load;	2419	$map->load;
1830	$map->load_diag;	2420	$map->load_neighbours;
1831		2421
1832	return unless $self->contr->active;	2422	return unless $self->contr->active;
1833	$self->activate_recursive;	2423	$self->activate_recursive;
1834		2424
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1837	}	2427	}
1838		2428
1839	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2430
1843	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1847	};	2435	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2436
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1874		2440
1875	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2446
1878	$self->enter_link;	2447	$self->enter_link;
1879		2448
1880	(async {	2449	(async {
1881	my $map = eval {	2450	my $map = eval {
1882	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1884	$map	2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2466	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1889	})->prio (1);	2474	})->prio (1);
1890	}	2475	}
1891		2476
1892	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1893		2478
…		…
1932		2517
1933	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1934		2519
1935	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2522	my $meta = "$RANDOMDIR/$md5.meta";
1938		2523
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2526	undef $fh;
1942	aio_rename "$meta~", $meta;	2527	aio_rename "$meta~", $meta;
…		…
1951		2536
1952	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1953		2538
1954	if ($exit->slaying eq "/!") {	2539	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2543	cf::sync_job { prepare_random_map $exit };
1957	}	2544	}
1958		2545
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
1962		2549
1963	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1964		2555
1965	(async {	2556	(async {
1966	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2558	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
1969		2560
1970	1;	2561	1;
1971	}) {	2562	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2567
1977	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2569	$self->leave_link;
1979	}	2570	}
1980	})->prio (1);	2571	})->prio (1);
…		…
1993		2584
1994	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1996		2587
1997	utf8::encode $text;	2588	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2590	}
2000		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
2001		2707
2002	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
2003		2709
2004	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2713
2008	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2715	become reliable at some point in the future.
2010		2716
2011	=cut	2717	=cut
2012		2718
2013	sub cf::client::query {	2719	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2728	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2730
2025	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2027	}	2735	}
2028		2736
2029	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2030	on_reply => sub {	2743	on_reply => sub {
2031	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2032		2745
2033	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2034	# get handled first	2747	# get handled first
…		…
2046	} else {	2759	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2761	}
2049	}	2762	}
2050	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
2051	);	2790	);
2052		2791
2053	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2054		2793
2055	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2098		2837
2099	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2100		2839
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2102		2845
2103	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2104		2847
2105	=pod	2848	=pod
2106		2849
2107	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2108		2851
2109	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2110	cf::object::player player	2856	cf::object::player
2111	cf::player peaceful	2857	player
2112	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2113		2864
2114	=cut	2865	=cut
2115		2866
2116	for (	2867	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2121	) {	2874	) {
2122	no strict 'refs';	2875	no strict 'refs';
…		…
2193	=back	2946	=back
2194		2947
2195	=cut	2948	=cut
2196		2949
2197	#############################################################################	2950	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2951	# the server's init and main functions
2271		2952
2272	sub load_faces {	2953	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2954	my ($path) = @_;
2274		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2961
2275	warn "loading faces from $path\n";	2962	warn "loading facedata from $path\n";
2276		2963
2277	my $faces;	2964	my $facedata;
2278	0 < aio_load $path, $faces	2965	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2966	or die "$path: $!";
2280		2967
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2968	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2969
		2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
		2980	{
		2981	my $faces = $facedata->{faceinfo};
		2982
2285	while (my ($face, $info) = each %$faces) {	2983	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2989
		2990	cf::cede_to_tick;
		2991	}
		2992
		2993	while (my ($face, $info) = each %$faces) {
		2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
		3003
		3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
2290	}	3066	}
2291		3067
2292	1	3068	1
2293	}	3069	}
2294		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
2295	sub reload_resources {	3113	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3114	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3115
		3116	reload_regions;
2298	load_faces	3117	reload_facedata;
2299	or die "unable to load faces\n";#d#	3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
2300	}	3123	}
2301		3124
2302	sub init {	3125	sub init {
2303	reload_resources;	3126	reload_resources;
2304	}	3127	}
2305		3128
2306	sub cfg_load {	3129	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3131	or return;
2309		3132
2310	local $/;	3133	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2312		3135
…		…
2331	(async {	3154	(async {
2332	Event::one_event;	3155	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2334	};	3157	};
2335		3158
2336	cfg_load;	3159	reload_config;
2337	db_init;	3160	db_init;
2338	load_extensions;	3161	load_extensions;
2339		3162
2340	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2341	Event::loop;	3164	Event::loop;
…		…
2357	},	3180	},
2358	);	3181	);
2359	}	3182	}
2360	}	3183	}
2361		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2362	sub emergency_save() {	3223	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2364		3225
2365	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2366		3227
…		…
2397		3258
2398	warn Carp::longmess "post_cleanup backtrace"	3259	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3260	if $make_core;
2400	}	3261	}
2401		3262
2402	sub reload() {	3263	sub do_reload_perl() {
2403	# can/must only be called in main	3264	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3266	warn "can only reload from main coroutine";
2406	return;	3267	return;
2407	}	3268	}
…		…
2441	%EXT_CORO = ();	3302	%EXT_CORO = ();
2442		3303
2443	warn "removing commands";	3304	warn "removing commands";
2444	%COMMAND = ();	3305	%COMMAND = ();
2445		3306
2446	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2448		3310
2449	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2452		3314
…		…
2482	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3346
2485	warn "unloading cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2487		3350
2488	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3352	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2491		3354
…		…
2494	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2495	require cf;	3358	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3360
2498	warn "loading config and database again";	3361	warn "loading config and database again";
2499	cf::cfg_load;	3362	cf::reload_config;
2500		3363
2501	warn "loading extensions";	3364	warn "loading extensions";
2502	cf::load_extensions;	3365	cf::load_extensions;
2503		3366
2504	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3369	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3371	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3372	reattach $_ for values %PLAYER;
2510		3373
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3374	warn "leaving sync_job";
2515		3375
2516	1	3376	1
2517	} or do {	3377	} or do {
2518	warn $@;	3378	warn $@;
…		…
2523	warn "reloaded";	3383	warn "reloaded";
2524	};	3384	};
2525		3385
2526	our $RELOAD_WATCHER; # used only during reload	3386	our $RELOAD_WATCHER; # used only during reload
2527		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2528	register_command "reload" => sub {	3403	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2530		3405
2531	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3407	$who->message ("reloading server.");
2533		3408	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3409	}
2547	};	3410	};
2548		3411
2549	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2550		3413
2551	my $bug_warning = 0;	3414	my $bug_warning = 0;
2552		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3440	reentrant => 0,
2555	parked => 1,	3441	parked => 1,
2556	prio => 0,	3442	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2563	return;	3449	return;
2564	}	3450	}
2565		3451
2566	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2567		3453
2568	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2569	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2571		3481
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3485	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2577	};	3487	};
2578	}	3488	}
2579		3489
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2585		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
		3501
2586	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3504
2589	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2591	},	3514	},
2592	);	3515	);
2593		3516
2594	{	3517	{
2595	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3546
2624	cf::sync_job {	3547	cf::sync_job {
2625	eval {	3548	eval {
2626	BDB::db_env_open	3549	BDB::db_env_open
2627	$DB_ENV,	3550	$DB_ENV,
2628	$BDB_ENV_DIR,	3551	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3554	0666;
2632		3555
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3557
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3559	$DB_ENV->set_lk_detect;
2637	};	3560	};
2638		3561
…		…
2654	prio => 6,	3577	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3578	cb => \&IO::AIO::poll_cb,
2656	);	3579	);
2657	}	3580	}
2658		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
		3622
2659	END { cf::emergency_save }	3623	END { cf::emergency_save }
2660		3624
2661	1	3625	1
2662		3626

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