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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 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 3.3 ();	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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
51		89
52	our %CFG;	90	our %CFG;
53		91
54	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	93	our $RUNTIME;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	136	every server tick.
100		137
101	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
113		164
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
141		198
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		206
149	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	208	# within the Safe compartment.
151	for my $pkg (qw(	209	for my $pkg (qw(
152	cf::global cf::attachable	210	cf::global cf::attachable
…		…
160	}	218	}
161		219
162	$Event::DIED = sub {	220	$Event::DIED = sub {
163	warn "error in event callback: @_";	221	warn "error in event callback: @_";
164	};	222	};
		223
		224	#############################################################################
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
265	}	397	}
266		398
267	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
268		400
269	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		406
275	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
276		408
277	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
278		410
279	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
282		415
283	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
286	fast or be very important.	419	fast or be very important.
…		…
289		422
290	sub sync_job(&) {	423	sub sync_job(&) {
291	my ($job) = @_;	424	my ($job) = @_;
292		425
293	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
294	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
296		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
297	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	435	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
300		437
301	my $busy = 1;	438	my $busy = 1;
302	my @res;	439	my @res;
303		440
304	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	443	@res = eval { $job->() };
306	warn $@ if $@;	444	warn $@ if $@;
307	undef $busy;	445	undef $busy;
308	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
309		447
310	while ($busy) {	448	while ($busy) {
311	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
312	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
313		458
314	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
315	} else {	460	} else {
316	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
317		462
…		…
337	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
338		483
339	$coro	484	$coro
340	}	485	}
341		486
342	sub write_runtime {	487	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		488
345	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
346		493
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
348	or return;
349		495
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	496	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	my ($cb, @args) = @_;
352	and return;
353		498
354	aio_fsync $fh	499	# we seemingly have to make a local copy of the whole thing,
355	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
356		502
357	close $fh	503	my @res = Coro::Util::fork_eval {
358	or return;	504	reset_signals;
		505	&$cb
		506	}, @args;
359		507
360	aio_rename "$runtime~", $runtime	508	wantarray ? @res : $res[-1]
361	and return;	509	}
362		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
363	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	647	}
365		648
366	=back	649	=back
367		650
368	=cut	651	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
377		660
378	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	663	Crossfire TRT).
381		664
382	=over 4	665	=over 4
383		666
384	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
385		668
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	782	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	783	our @CB_MAP = ();
501		784
502	my %attachment;	785	my %attachment;
503		786
		787	sub cf::attachable::thawer_merge {
		788	# simply override everything except _meta
		789	local $_[0]{_meta};
		790	%{$_[0]} = %{$_[1]};
		791	}
		792
504	sub _attach_cb($$$$) {	793	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	794	my ($registry, $event, $prio, $cb) = @_;
506		795
507	use sort 'stable';	796	use sort 'stable';
508		797
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
543		832
544	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		837
549	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	839	my $pkg = shift @arg;
551		840
552	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
582	}	871	}
583		872
584	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
585	} else {	874	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	876	}
588		877
589	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
590	}	879	}
591		880
…		…
593	if (ref $_[0]) {	882	if (ref $_[0]) {
594	_object_attach @_;	883	_object_attach @_;
595	} else {	884	} else {
596	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
597	}	886	}
		887	_recalc_want;
598	};	888	};
599		889
600	# all those should be optimised	890	# all those should be optimised
601	sub cf::attachable::detach {	891	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
606	reattach ($obj);	896	reattach ($obj);
607	} else {	897	} else {
608	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
609	}	899	}
		900	_recalc_want;
610	};	901	};
611		902
612	sub cf::attachable::attached {	903	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
614		905
…		…
629	";	920	";
630	die if $@;	921	die if $@;
631	}	922	}
632		923
633	our $override;	924	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		926
636	sub override {	927	sub override {
637	$override = 1;	928	$override = 1;
638	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
639	}	930	}
640		931
641	sub do_invoke {	932	sub do_invoke {
642	my $event = shift;	933	my $event = shift;
643	my $callbacks = shift;	934	my $callbacks = shift;
644		935
645	@invoke_results = ();	936	@INVOKE_RESULTS = ();
646		937
647	local $override;	938	local $override;
648		939
649	for (@$callbacks) {	940	for (@$callbacks) {
650	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
667		958
668	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
669		960
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		964
674	=back	965	=back
675		966
676	=cut	967	=cut
677		968
678	#############################################################################	969	#############################################################################
679	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
680		982
681	sub reattach {	983	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	985	my ($obj) = @_;
		986
		987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		988
685	my $registry = $obj->registry;	989	my $registry = $obj->registry;
686		990
687	@$registry = ();	991	@$registry = ();
688		992
…		…
729	sub object_freezer_save {	1033	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
731		1035
732	sync_job {	1036	sync_job {
733	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
736		1041
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1046	close $fh;
742		1047
743	if (@$objs) {	1048	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1054	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
751	}	1056	}
752	} else {	1057	} else {
753	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
759	}	1064	}
760	} else {	1065	} else {
761	aio_unlink $filename;	1066	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
763	}	1068	}
764	}	1069	};
765	}	1070	}
766		1071
767	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
769		1074
…		…
781	or return;	1086	or return;
782		1087
783	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
785	or return;	1090	or return;
		1091
786	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1093	}
788		1094
		1095	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
791	return ($data, $av);	1099	($data, $av)
792	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
793		1107
794	#############################################################################	1108	#############################################################################
795	# command handling &c	1109	# command handling &c
796		1110
797	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1125	}
812		1126
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1128
815	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
816		1134
817	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
818	called.	1136	called.
819		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
820	=cut	1149	=cut
821		1150
822	sub register_extcmd {	1151	sub register_extcmd {
823	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
824		1153
825	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
826	}	1161	}
827		1162
828	cf::player->attach (	1163	cf::player->attach (
829	on_command => sub {	1164	on_command => sub {
830	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1174	cf::override;
840	},	1175	},
841	on_extcmd => sub {	1176	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
843		1178
844	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1180
846	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
852	} else {	1196	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1198	}
855		1199
856	cf::override;	1200	cf::override;
857	},	1201	},
858	);	1202	);
859		1203
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
895	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1209	next unless -r $path;
897	eval {	1210
898	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
899	1	1268	}
900	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
901	}	1274	};
902	}	1275	}
903		1276
904	#############################################################################	1277	#############################################################################
905	# load/save/clean perl data associated with a map
906		1278
907	*cf::mapsupport::on_clean = sub {	1279	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1280
920	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
921		1282
922	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
923		1284
…		…
929		1290
930	=head3 cf::player	1291	=head3 cf::player
931		1292
932	=over 4	1293	=over 4
933		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
		1308
934	=item cf::player::find $login	1309	=item cf::player::find $login
935		1310
936	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
937		1312
938	=cut	1313	=cut
939		1314
940	sub playerdir($) {	1315	sub playerdir($) {
941	cf::localdir	1316	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1317	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1318	}
947		1319
948	sub path($) {	1320	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1321	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1322
951	(playerdir $login) . "/$login.pl"	1323	(playerdir $login) . "/playerdata"
952	}	1324	}
953		1325
954	sub find_active($) {	1326	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1327	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1328	and $cf::PLAYER{$_[0]}->active
…		…
959		1331
960	sub exists($) {	1332	sub exists($) {
961	my ($login) = @_;	1333	my ($login) = @_;
962		1334
963	$cf::PLAYER{$login}	1335	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1336	or cf::sync_job { !aio_stat path $login }
965	}	1337	}
966		1338
967	sub find($) {	1339	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1340	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1341	my $login = $_[0];
970		1342
971	my $guard = cf::lock_acquire "user_find:$login";	1343	my $guard = cf::lock_acquire "user_find:$login";
972		1344
973	$cf::PLAYER{$_[0]} || do {	1345	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1346	# rename old playerfiles to new ones
		1347	#TODO: remove when no longer required
		1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1351	aio_unlink +(playerdir $login) . "/$login.pl";
		1352
		1353	my $f = new_from_file cf::object::thawer path $login
975	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
977	}	1361	}
978	}	1362	}
979	}	1363	}
980		1364
…		…
990		1374
991	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
993		1377
994	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
995	Coro::cede;	1379	cf::cede_to_tick;
996	}	1380	}
997		1381
998	sub new($) {	1382	sub new($) {
999	my ($login) = @_;	1383	my ($login) = @_;
1000		1384
…		…
1006	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1007		1391
1008	$self	1392	$self
1009	}	1393	}
1010		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
		1403	}
		1404
1011	=item $pl->quit_character	1405	=item $pl->quit_character
1012		1406
1013	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1408	be destroyed. May block for a long time.
1015		1409
1016	=cut	1410	=cut
1017		1411
1018	sub quit_character {	1412	sub quit_character {
1019	my ($pl) = @_;	1413	my ($pl) = @_;
		1414
		1415	my $name = $pl->ob->name;
1020		1416
1021	$pl->{deny_save} = 1;	1417	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1418	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1419
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1420	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1425	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1426	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1427	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1428	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1429	$pl->destroy;
		1430
		1431	my $prefix = qr<^~\Q$name\E/>;
		1432
		1433	# nuke player maps
		1434	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1435
1034	IO::AIO::aio_rmtree $temp;	1436	IO::AIO::aio_rmtree $temp;
		1437	}
		1438
		1439	=item $pl->kick
		1440
		1441	Kicks a player out of the game. This destroys the connection.
		1442
		1443	=cut
		1444
		1445	sub kick {
		1446	my ($pl, $kicker) = @_;
		1447
		1448	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1449	$pl->killer ("kicked");
		1450	$pl->ns->destroy;
1035	}	1451	}
1036		1452
1037	=item cf::player::list_logins	1453	=item cf::player::list_logins
1038		1454
1039	Returns am arrayref of all valid playernames in the system, can take a	1455	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1456	while and may block, so not sync_job-capable, ever.
1041		1457
1042	=cut	1458	=cut
1043		1459
1044	sub list_logins {	1460	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1461	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1462	or return [];
1047		1463
1048	my @logins;	1464	my @logins;
1049		1465
1050	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1054		1475
1055	utf8::decode $login;	1476	utf8::decode $login;
1056	push @logins, $login;	1477	push @logins, $login;
1057	}	1478	}
1058		1479
…		…
1066		1487
1067	=cut	1488	=cut
1068		1489
1069	sub maps($) {	1490	sub maps($) {
1070	my ($pl) = @_;	1491	my ($pl) = @_;
		1492
		1493	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1494
1072	my $files = aio_readdir playerdir $pl	1495	my $files = aio_readdir playerdir $pl
1073	or return;	1496	or return;
1074		1497
1075	my @paths;	1498	my @paths;
…		…
1077	for (@$files) {	1500	for (@$files) {
1078	utf8::decode $_;	1501	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1502	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1503	next unless /^$PATH_SEP/o;
1081		1504
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1505	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1506	}
1084		1507
1085	\@paths	1508	\@paths
1086	}	1509	}
1087		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1089		1563
1090	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1091		1565
1092	=cut	1566	=cut
1093		1567
1094	sub ext_reply($$$%) {	1568	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1096		1570
1097	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1572	}
1101		1573
1102	package cf;	1574	=item $player->ext_msg ($type, @msg)
		1575
		1576	Sends an ext event to the client.
		1577
		1578	=cut
		1579
		1580	sub ext_msg($$@) {
		1581	my ($self, $type, @msg) = @_;
		1582
		1583	$self->ns->ext_msg ($type, @msg);
		1584	}
		1585
		1586	=head3 cf::region
		1587
		1588	=over 4
		1589
		1590	=cut
		1591
		1592	package cf::region;
		1593
		1594	=item cf::region::find_by_path $path
		1595
		1596	Tries to decuce the likely region for a map knowing only its path.
		1597
		1598	=cut
		1599
		1600	sub find_by_path($) {
		1601	my ($path) = @_;
		1602
		1603	my ($match, $specificity);
		1604
		1605	for my $region (list) {
		1606	if ($region->{match} && $path =~ $region->{match}) {
		1607	($match, $specificity) = ($region, $region->specificity)
		1608	if $region->specificity > $specificity;
		1609	}
		1610	}
		1611
		1612	$match
		1613	}
1103		1614
1104	=back	1615	=back
1105
1106		1616
1107	=head3 cf::map	1617	=head3 cf::map
1108		1618
1109	=over 4	1619	=over 4
1110		1620
…		…
1114		1624
1115	use Fcntl;	1625	use Fcntl;
1116	use Coro::AIO;	1626	use Coro::AIO;
1117		1627
1118	use overload	1628	use overload
1119	'""' => \&as_string;	1629	'""' => \&as_string,
		1630	fallback => 1;
1120		1631
1121	our $MAX_RESET = 3600;	1632	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1633	our $DEFAULT_RESET = 3000;
1123		1634
1124	sub generate_random_map {	1635	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1636	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1637	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1638	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1639	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1640	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1641	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1648	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1649	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1650	)
1141	}	1651	}
1142		1652
		1653	=item cf::map->register ($regex, $prio)
		1654
		1655	Register a handler for the map path matching the given regex at the
		1656	givne priority (higher is better, built-in handlers have priority 0, the
		1657	default).
		1658
		1659	=cut
		1660
1143	sub register {	1661	sub register {
1144	my (undef, $regex) = @_;	1662	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1663	my $pkg = caller;
1146		1664
1147	no strict;	1665	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1666	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1667
1150	$EXT_MAP{$pkg} = qr<$regex>;	1668	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1669	}
1152		1670
1153	# also paths starting with '/'	1671	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1672	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1673
		1674	sub thawer_merge {
		1675	my ($self, $merge) = @_;
		1676
		1677	# we have to keep some variables in memory intact
		1678	local $self->{path};
		1679	local $self->{load_path};
		1680
		1681	$self->SUPER::thawer_merge ($merge);
		1682	}
1155		1683
1156	sub normalise {	1684	sub normalise {
1157	my ($path, $base) = @_;	1685	my ($path, $base) = @_;
		1686
		1687	$path = "$path"; # make sure its a string
		1688
		1689	$path =~ s/\.map$//;
1158		1690
1159	# map plan:	1691	# map plan:
1160	#	1692	#
1161	# /! non-realised random map exit (special hack!)	1693	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1694	# {... are special paths that are not being touched
…		…
1190		1722
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1723	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1724
1193	$path = normalise $path, $base;	1725	$path = normalise $path, $base;
1194		1726
1195	for my $pkg (keys %EXT_MAP) {	1727	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1728	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1729	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1730	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1200	return $self;	1732	return $self;
1201	}	1733	}
1202	}	1734	}
1203		1735
1204	Carp::carp "unable to resolve path '$path'.";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1737	()
1206	}	1738	}
1207		1739
1208	sub init {	1740	sub init {
1209	my ($self) = @_;	1741	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1752	# the displayed name, this is a one way mapping
1221	sub visible_name {	1753	sub visible_name {
1222	&as_string	1754	&as_string
1223	}	1755	}
1224		1756
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1757	# the original (read-only) location
1233	sub load_path {	1758	sub load_path {
1234	my ($self) = @_;	1759	my ($self) = @_;
1235		1760
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1761	"$MAPDIR/$self->{path}.map"
1237	}	1762	}
1238		1763
1239	# the temporary/swap location	1764	# the temporary/swap location
1240	sub save_path {	1765	sub save_path {
1241	my ($self) = @_;	1766	my ($self) = @_;
1242		1767
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1768	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1769	"$TMPDIR/$path.map"
1244	}	1770	}
1245		1771
1246	# the unique path, undef == no special unique path	1772	# the unique path, undef == no special unique path
1247	sub uniq_path {	1773	sub uniq_path {
1248	my ($self) = @_;	1774	my ($self) = @_;
1249		1775
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1776	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1777	"$UNIQUEDIR/$path"
1251	}	1778	}
1252		1779
1253	# and all this just because we cannot iterate over	1780	# and all this just because we cannot iterate over
1254	# all maps in C++...	1781	# all maps in C++...
1255	sub change_all_map_light {	1782	sub change_all_map_light {
…		…
1257		1784
1258	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1260	}	1787	}
1261		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1262	sub unlink_save {	1797	sub unlink_save {
1263	my ($self) = @_;	1798	my ($self) = @_;
1264		1799
1265	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1802	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1803	}
1269		1804
1270	sub load_header_from($) {	1805	sub load_header_from($) {
1271	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1272		1807
1273	utf8::encode $path;	1808	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1275	or return;	1810	or return;
1276		1811
1277	$self->_load_header ($path)	1812	$self->_load_header ($f)
1278	or return;	1813	or return;
1279		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
		1817
1280	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1281		1819
1282	1	1820	1
1283	}	1821	}
1284		1822
1285	sub load_orig {	1823	sub load_header_orig {
1286	my ($self) = @_;	1824	my ($self) = @_;
1287		1825
1288	$self->load_header_from ($self->load_path)	1826	$self->load_header_from ($self->load_path)
1289	}	1827	}
1290		1828
1291	sub load_temp {	1829	sub load_header_temp {
1292	my ($self) = @_;	1830	my ($self) = @_;
1293		1831
1294	$self->load_header_from ($self->save_path)	1832	$self->load_header_from ($self->save_path)
		1833	}
		1834
		1835	sub prepare_temp {
		1836	my ($self) = @_;
		1837
		1838	$self->last_access ((delete $self->{last_access})
		1839	|| $cf::RUNTIME); #d#
		1840	# safety
		1841	$self->{instantiate_time} = $cf::RUNTIME
		1842	if $self->{instantiate_time} > $cf::RUNTIME;
		1843	}
		1844
		1845	sub prepare_orig {
		1846	my ($self) = @_;
		1847
		1848	$self->{load_original} = 1;
		1849	$self->{instantiate_time} = $cf::RUNTIME;
		1850	$self->last_access ($cf::RUNTIME);
		1851	$self->instantiate;
1295	}	1852	}
1296		1853
1297	sub load_header {	1854	sub load_header {
1298	my ($self) = @_;	1855	my ($self) = @_;
1299		1856
1300	if ($self->load_temp) {	1857	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1858	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1859	} else {
1307	$self->load_orig	1860	$self->load_header_orig
1308	or return;	1861	or return;
1309		1862	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1863	}
		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
		1868	$self->default_region (cf::region::find_by_path $self->{path})
		1869	unless $self->default_region;
1315		1870
1316	1	1871	1
1317	}	1872	}
1318		1873
1319	sub find;	1874	sub find;
1320	sub find {	1875	sub find {
1321	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1322		1877
1323	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1324		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1326		1882
1327	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1329	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1330	or return;	1888	or return;
1331		1889
1332	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1333		1891
1334	$map->load_header	1892	$map->load_header
1335	or return;	1893	or return;
1336		1894
1337	if ($map->should_reset) {	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1896	# doing this can freeze the server in a sync job, obviously
		1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1338	$map->reset;	1900	$map->reset;
1339	undef $guard;
1340	$map = find $path	1901	return find $path;
1341	or return;
1342	}	1902	}
1343		1903
1344	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1345	}	1905	}
1346	}	1906	}
		1907
		1908	sub pre_load { }
		1909	sub post_load { }
1347		1910
1348	sub load {	1911	sub load {
1349	my ($self) = @_;	1912	my ($self) = @_;
1350		1913
		1914	local $self->{deny_reset} = 1; # loading can take a long time
		1915
1351	my $path = $self->{path};	1916	my $path = $self->{path};
		1917
		1918	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1353		1920
		1921	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		1923
1356	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1357		1925
1358	$self->alloc;	1926	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1927
		1928	$self->pre_load;
		1929	cf::cede_to_tick;
		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
		1933	$self->_load_objects ($f)
1360	or return;	1934	or return;
1361		1935
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1937	if delete $self->{load_original};
1364		1938
1365	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1940	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1943	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1370	}	1947	}
1371	}	1948	}
1372		1949
1373	Coro::cede;	1950	$f->resolve_delayed_derefs;
1374		1951
		1952	cf::cede_to_tick;
1375	# now do the right thing for maps	1953	# now do the right thing for maps
1376	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1956	unless $self->difficulty;
1386	Coro::cede;	1957	cf::cede_to_tick;
		1958
		1959	unless ($self->{deny_activate}) {
		1960	$self->decay_objects;
		1961	$self->fix_auto_apply;
		1962	$self->update_buttons;
		1963	cf::cede_to_tick;
		1964	$self->set_darkness_map;
		1965	cf::cede_to_tick;
1387	$self->activate;	1966	$self->activate;
1388	}	1967	}
1389		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
		1971
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
		1973	}
		1974
		1975	$self->post_load;
1391	}	1976	}
1392		1977
1393	sub customise_for {	1978	sub customise_for {
1394	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1395		1980
1396	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1982	if $self->per_player;
1398		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1399	$self	1987	$self
1400	}	1988	}
1401		1989
1402	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1991	sub load_neighbours {
1404	my ($map) = @_;	1992	my ($map) = @_;
1405		1993
1406	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1407		1995
1408	for (0 .. 3) {	1996	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1410	or next;	1998	or next;
1411	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1412	or next;	2000	or next;
1413	$neigh->load;	2001	$neigh->load;
1414		2002
		2003	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2006	}
1418		2007
1419	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1421	or next;	2011	or next;
1422	$neigh->load;	2012	$neigh->load;
1423	}	2013	}
1424	}	2014	}
1425		2015
…		…
1430	}	2020	}
1431		2021
1432	sub do_load_sync {	2022	sub do_load_sync {
1433	my ($map) = @_;	2023	my ($map) = @_;
1434		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1435	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1436	}	2029	}
1437		2030
1438	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2032	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2033
1452	sub find_async {	2034	sub find_async {
1453	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1454		2036
1455	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1456		2038
1457	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2041	}
		2042
		2043	$MAP_PREFETCH{$path} |= $load;
		2044
		2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
		2048	while (%MAP_PREFETCH) {
		2049	while (my ($k, $v) = each %MAP_PREFETCH) {
		2050	if (my $map = find $k) {
		2051	$map->load if $v;
		2052	}
		2053
		2054	delete $MAP_PREFETCH{$k};
		2055	}
		2056	}
		2057	undef $MAP_PREFETCHER;
1459	}	2058	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2059	$MAP_PREFETCHER->prio (6);
1463		2060
1464	()	2061	()
1465	}	2062	}
1466		2063
1467	sub save {	2064	sub save {
1468	my ($self) = @_;	2065	my ($self) = @_;
1469		2066
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2068
1472	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1473		2070
1474	return unless $self->dirty;	2071	return unless $self->dirty;
1475		2072
…		…
1481	return if $self->{deny_save};	2078	return if $self->{deny_save};
1482		2079
1483	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1484		2081
1485	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1487	};	2085	};
1488		2086
1489	if ($uniq) {	2087	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2096	my ($self) = @_;
1499		2097
1500	# save first because save cedes	2098	# save first because save cedes
1501	$self->save;	2099	$self->save;
1502		2100
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2102
1505	return if $self->players;	2103	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2105	return if $self->{deny_save};
1508		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2111	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2112	}
1512		2113
1513	sub reset_at {	2114	sub reset_at {
1514	my ($self) = @_;	2115	my ($self) = @_;
1515		2116
1516	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1519		2119
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2122
…		…
1527	my ($self) = @_;	2127	my ($self) = @_;
1528		2128
1529	$self->reset_at <= $cf::RUNTIME	2129	$self->reset_at <= $cf::RUNTIME
1530	}	2130	}
1531		2131
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2132	sub reset {
1547	my ($self) = @_;	2133	my ($self) = @_;
1548		2134
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2136
1551	return if $self->players;	2137	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2138
1554	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
		2140
		2141	$self->in_memory (cf::MAP_SWAPPED);
		2142
		2143	# need to save uniques path
		2144	unless ($self->{deny_save}) {
		2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2146
		2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2148	if $uniq;
		2149	}
1555		2150
1556	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1557		2152
		2153	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2154	$_->clear_links_to ($self) for values %cf::MAP;
		2155	$self->clear;
1559		2156
1560	$self->unlink_save;	2157	$self->unlink_save;
1561	$self->destroy;	2158	$self->destroy;
1562	}	2159	}
1563		2160
1564	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1565		2162
1566	sub nuke {	2163	sub nuke {
1567	my ($self) = @_;	2164	my ($self) = @_;
1568		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
		2169	delete $cf::MAP{$self->path};
		2170
		2171	$self->unlink_save;
		2172
		2173	bless $self, "cf::map";
		2174	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2178
		2179	$cf::MAP{$self->path} = $self;
		2180	}
		2181
1572	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1573	}	2219	}
1574		2220
1575	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1576		2222
1577	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2224	instantiated unique items. May block.
1579		2225
1580	=cut	2226	=cut
1581		2227
1582	sub unique_maps() {	2228	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1584	or return;	2230	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2231	utf8::decode $_;
1590	next if /\.pst$/;	2232	/\.map$/
1591	next unless /^$PATH_SEP/o;	2233	? normalise $_
1592		2234	: ()
1593	push @paths, $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2236	]
1595
1596	\@paths
1597	}	2237	}
1598		2238
1599	package cf;	2239	package cf;
1600		2240
1601	=back	2241	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1620	}	2260	}
1621		2261
1622	sub inv_recursive {	2262	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1624	}	2292	}
1625		2293
1626	package cf;	2294	package cf;
1627		2295
1628	=back	2296	=back
…		…
1647		2315
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2317
1650	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1652	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1655	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1656	}	2343	}
1657		2344
1658	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1659		2346
1660	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2379	=cut
1693		2380
1694	sub link_map {	2381	sub link_map {
1695	unless ($LINK_MAP) {	2382	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2383	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2384	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2385	$LINK_MAP->load;
1699	}	2386	}
1700		2387
1701	$LINK_MAP	2388	$LINK_MAP
1702	}	2389	}
…		…
1707	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1708		2395
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2397
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1713		2400
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2402	}
1716		2403
1717	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1719		2408
1720	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1721		2410
1722	unless ($map) {	2411	unless ($map) {
1723	# restore original map position	2412	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1740		2429
1741	$map->load;	2430	$map->load;
1742	$map->load_diag;	2431	$map->load_neighbours;
1743		2432
1744	return unless $self->contr->active;	2433	return unless $self->contr->active;
1745	$self->activate_recursive;	2434	$self->activate_recursive;
		2435
		2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1747	}	2438	}
1748		2439
1749	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2441
1753	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1757	};	2446	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2447
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1784		2451
1785	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2457
1788	$self->enter_link;	2458	$self->enter_link;
1789		2459
1790	(async {	2460	(async {
1791	my $map = cf::map::find $path;	2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
		2482	my $map = eval {
		2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
1793		2487	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2488	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
1798		2491
		2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
		2498	}
		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1800	})->prio (1);	2506	})->prio (1);
1801	}	2507	}
1802		2508
1803	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1804		2510
…		…
1806		2512
1807	sub parse_random_map_params {	2513	sub parse_random_map_params {
1808	my ($spec) = @_;	2514	my ($spec) = @_;
1809		2515
1810	my $rmp = { # defaults	2516	my $rmp = { # defaults
1811	xsize => 10,	2517	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2518	ysize => (cf::rndm 15, 40),
		2519	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2520	#layout => string,
1813	};	2521	};
1814		2522
1815	for (split /\n/, $spec) {	2523	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2524	my ($k, $v) = split /\s+/, $_, 2;
1817		2525
…		…
1821	$rmp	2529	$rmp
1822	}	2530	}
1823		2531
1824	sub prepare_random_map {	2532	sub prepare_random_map {
1825	my ($exit) = @_;	2533	my ($exit) = @_;
		2534
		2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2536
1827	# all this does is basically replace the /! path by	2537	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2538	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2539	# that depends on the exit object
1830		2540
1831	my $rmp = parse_random_map_params $exit->msg;	2541	my $rmp = parse_random_map_params $exit->msg;
1832		2542
1833	if ($exit->map) {	2543	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2544	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2545	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2546	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2547	$rmp->{origin_y} = $exit->y;
1838	}	2548	}
1839		2549
1840	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1841		2551
1842	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
		2554	my $meta = "$RANDOMDIR/$md5.meta";
1844		2555
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
		2558	undef $fh;
		2559	aio_rename "$meta~", $meta;
1847		2560
1848	$exit->slaying ("?random/$md5");	2561	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2562	$exit->msg (undef);
1850	}	2563	}
1851	}	2564	}
…		…
1853	sub cf::object::player::enter_exit {	2566	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2567	my ($self, $exit) = @_;
1855		2568
1856	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1857		2570
		2571	if ($exit->slaying eq "/!") {
		2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
		2575	cf::sync_job { prepare_random_map $exit };
		2576	}
		2577
		2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2579	my $hp = $exit->stats->hp;
		2580	my $sp = $exit->stats->sp;
		2581
1858	$self->enter_link;	2582	$self->enter_link;
1859		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
1860	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
1861	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2592	unless (eval {
1863	prepare_random_map $exit	2593	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2594
1869	1;	2595	1;
1870	}) {	2596	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2597	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2598	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2599	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2600	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2601
1876	warn "ERROR in enter_exit: $@";	2602	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2603	$self->leave_link;
1878	}	2604	}
1879	})->prio (1);	2605	})->prio (1);
…		…
1892		2618
1893	sub cf::client::send_drawinfo {	2619	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2620	my ($self, $text, $flags) = @_;
1895		2621
1896	utf8::encode $text;	2622	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2624	}
1899		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
		2719	=item $client->ext_msg ($type, @msg)
		2720
		2721	Sends an ext event to the client.
		2722
		2723	=cut
		2724
		2725	sub cf::client::ext_msg($$@) {
		2726	my ($self, $type, @msg) = @_;
		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
		2731	push @msg, msgtype => "event_$type";
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
		2752	}
1900		2753
1901	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
1902		2755
1903	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2759
1907	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2761	become reliable at some point in the future.
1909		2762
1910	=cut	2763	=cut
1911		2764
1912	sub cf::client::query {	2765	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2774	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2776
1924	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
1926	}	2781	}
1927		2782
1928	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
1929	on_reply => sub {	2789	on_reply => sub {
1930	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
1931		2791
1932	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
1933	# get handled first	2793	# get handled first
1934	my $queue = delete $ns->{query_queue}	2794	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2795	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2796
1937	(shift @$queue)->[1]->($msg);	2797	(shift @$queue)->[1]->($msg);
		2798	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2799
1939	push @{ $ns->{query_queue} }, @$queue;	2800	push @{ $ns->{query_queue} }, @$queue;
1940		2801
1941	if (@{ $ns->{query_queue} } == @$queue) {	2802	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2803	if (@$queue) {
…		…
1944	} else {	2805	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2807	}
1947	}	2808	}
1948	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
1949	);	2836	);
1950		2837
1951	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
1952		2839
1953	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
1996		2883
1997	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
1998		2885
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2000		2891
2001	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2002		2893
2003	=pod	2894	=pod
2004		2895
2005	The following fucntions and emthods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2006		2897
2007	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2008	cf::object::player player	2902	cf::object::player
2009	cf::player peaceful	2903	player
2010	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2011		2910
2012	=cut	2911	=cut
2013		2912
2014	for (	2913	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2019	) {	2920	) {
2020	no strict 'refs';	2921	no strict 'refs';
…		…
2091	=back	2992	=back
2092		2993
2093	=cut	2994	=cut
2094		2995
2095	#############################################################################	2996	#############################################################################
		2997	# the server's init and main functions
2096		2998
2097	=head2 EXTENSION DATABASE SUPPORT	2999	sub load_facedata($) {
		3000	my ($path) = @_;
2098		3001
2099	Crossfire maintains a very simple database for extension use. It can	3002	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3003	# for this (global event?)
2101	excludes objects.	3004	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3005
2103	The parameter C<$family> should best start with the name of the extension	3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3007
2106	=over 4	3008	warn "loading facedata from $path\n";
2107		3009
2108	=item $hashref = cf::db_get $family	3010	my $facedata;
		3011	0 < aio_load $path, $facedata
		3012	or die "$path: $!";
2109		3013
2110	Return a hashref for use by the extension C<$family>, which can be	3014	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3015
2114	=item $value = cf::db_get $family => $key	3016	$facedata->{version} == 2
		3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3018
2116	Returns a single value from the database	3019	# patch in the exptable
2117		3020	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3021	type => FT_RSRC,
2119		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3023	};
		3024	cf::cede_to_tick;
2169		3025
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3026	{
		3027	my $faces = $facedata->{faceinfo};
2174		3028
2175	sub db_get($;$) {	3029	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3031	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3032	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3035
2181	sub db_put($$;$) {	3036	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3037	}
2195	);
2196	}
2197		3038
2198	#############################################################################	3039	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3040	next unless $info->{smooth};
		3041	my $idx = cf::face::find $face
		3042	or next;
		3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
		3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3046	} else {
		3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3048	}
2200		3049
2201	sub cfg_load {	3050	cf::cede_to_tick;
		3051	}
		3052	}
		3053
		3054	{
		3055	my $anims = $facedata->{animinfo};
		3056
		3057	while (my ($anim, $info) = each %$anims) {
		3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	cf::anim::invalidate_all; # d'oh
		3063	}
		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
		3114	1
		3115	}
		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
		3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	load_resource_file "$MAPDIR/regions"
		3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
		3137	}
		3138
		3139	sub reload_facedata {
		3140	load_facedata "$DATADIR/facedata"
		3141	or die "unable to load facedata\n";
		3142	}
		3143
		3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
		3152	}
		3153
		3154	sub reload_treasures {
		3155	load_resource_file "$DATADIR/treasures"
		3156	or die "unable to load treasurelists\n";
		3157	}
		3158
		3159	sub reload_resources {
		3160	warn "reloading resource files...\n";
		3161
		3162	reload_regions;
		3163	reload_facedata;
		3164	#reload_archetypes;#d#
		3165	reload_archetypes;
		3166	reload_treasures;
		3167
		3168	warn "finished reloading resource files\n";
		3169	}
		3170
		3171	sub init {
		3172	reload_resources;
		3173	}
		3174
		3175	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3177	or return;
2204		3178
2205	local $/;	3179	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
2207		3181
…		…
2221		3195
2222	sub main {	3196	sub main {
2223	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2226	async { Event::one_event };	3202	Event::one_event;
		3203	})->prio (Coro::PRIO_MAX);
2227	};	3204	};
2228		3205
2229	cfg_load;	3206	reload_config;
2230	db_load;	3207	db_init;
2231	load_extensions;	3208	load_extensions;
		3209
		3210	$TICK_WATCHER->start;
2232	Event::loop;	3211	Event::loop;
2233	}	3212	}
2234		3213
2235	#############################################################################	3214	#############################################################################
2236	# initialisation and cleanup	3215	# initialisation and cleanup
2237		3216
2238	# install some emergency cleanup handlers	3217	# install some emergency cleanup handlers
2239	BEGIN {	3218	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3219	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3220	Event->signal (
		3221	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3222	data => WF_AUTOCANCEL,
2243	signal => $signal,	3223	signal => $signal,
		3224	prio => 0,
2244	cb => sub {	3225	cb => sub {
2245	cf::cleanup "SIG$signal";	3226	cf::cleanup "SIG$signal";
2246	},	3227	},
2247	);	3228	);
2248	}	3229	}
2249	}	3230	}
2250		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2251	sub emergency_save() {	3270	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2253		3272
2254	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2255		3274
2256	cf::sync_job {	3275	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3276	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3277	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3278	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3279	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3280	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3281	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3282	$pl->valid or next;
2264	$pl->save;	3283	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3289	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3290	$map->valid or next;
2272	$map->save;	3291	$map->save;
2273	}	3292	}
2274	warn "end emergency map save\n";	3293	warn "end emergency map save\n";
		3294
		3295	warn "begin emergency database checkpoint\n";
		3296	BDB::db_env_txn_checkpoint $DB_ENV;
		3297	warn "end emergency database checkpoint\n";
2275	};	3298	};
2276		3299
2277	warn "leave emergency perl save\n";	3300	warn "leave emergency perl save\n";
2278	}	3301	}
2279		3302
		3303	sub post_cleanup {
		3304	my ($make_core) = @_;
		3305
		3306	warn Carp::longmess "post_cleanup backtrace"
		3307	if $make_core;
		3308	}
		3309
2280	sub reload() {	3310	sub do_reload_perl() {
2281	# can/must only be called in main	3311	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3312	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3313	warn "can only reload from main coroutine";
2284	return;	3314	return;
2285	}	3315	}
2286		3316
2287	warn "reloading...";	3317	warn "reloading...";
2288		3318
2289	warn "freezing server";	3319	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3320
		3321	cf::sync_job {
		3322	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3323	cf::emergency_save;
		3324	cf::write_runtime; # external watchdog should not bark
2292		3325
2293	warn "sync database to disk";	3326	warn "syncing database to disk";
2294	cf::db_sync;	3327	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3328
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3329	# if anything goes wrong in here, we should simply crash as we already saved
2299		3330
2300	warn "cancel all watchers";	3331	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3332	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3333	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3334	}
2304		3335
		3336	warn "flushing outstanding aio requests";
		3337	for (;;) {
		3338	BDB::flush;
		3339	IO::AIO::flush;
		3340	Coro::cede;
		3341	last unless IO::AIO::nreqs || BDB::nreqs;
		3342	warn "iterate...";
		3343	}
		3344
		3345	++$RELOAD;
		3346
2305	warn "cancel all extension coros";	3347	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3348	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3349	%EXT_CORO = ();
2308		3350
2309	warn "remove commands";	3351	warn "removing commands";
2310	%COMMAND = ();	3352	%COMMAND = ();
2311		3353
2312	warn "remove ext commands";	3354	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2314		3357
2315	warn "unload/nuke all extensions";	3358	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2318		3361
2319	if (my $cb = $pkg->can ("unload")) {	3362	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3363	eval {
…		…
2325		3368
2326	warn "... nuking $pkg";	3369	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3370	Symbol::delete_package $pkg;
2328	}	3371	}
2329		3372
2330	warn "unload all perl modules loaded from $LIBDIR";	3373	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3374	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3375	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3376
2334	warn "removing <$k>";	3377	warn "... unloading $k";
2335	delete $INC{$k};	3378	delete $INC{$k};
2336		3379
2337	$k =~ s/\.pm$//;	3380	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3381	$k =~ s/\//::/g;
2339		3382
…		…
2342	}	3385	}
2343		3386
2344	Symbol::delete_package $k;	3387	Symbol::delete_package $k;
2345	}	3388	}
2346		3389
2347	warn "get rid of safe::, as good as possible";	3390	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3391	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3392	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3393
2351	warn "unload cf.pm \"a bit\"";	3394	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3395	delete $INC{"cf.pm"};
		3396	delete $INC{"cf/pod.pm"};
2353		3397
2354	# don't, removes xs symbols, too,	3398	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3399	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3400	#Symbol::delete_package __PACKAGE__;
2357		3401
		3402	warn "unload completed, starting to reload now";
		3403
2358	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2359	require cf;	3405	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3407
2362	warn "load config and database again";	3408	warn "loading config and database again";
2363	cf::cfg_load;	3409	cf::reload_config;
2364	cf::db_load;
2365		3410
2366	warn "load extensions";	3411	warn "loading extensions";
2367	cf::load_extensions;	3412	cf::load_extensions;
2368		3413
2369	warn "reattach attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3415	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3416	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3417	reattach $_ for values %MAP;
2373	};	3418	warn "reattaching attachments to players";
		3419	reattach $_ for values %PLAYER;
2374		3420
2375	if ($@) {	3421	warn "leaving sync_job";
		3422
		3423	1
		3424	} or do {
2376	warn $@;	3425	warn $@;
2377	warn "error while reloading, exiting.";	3426	warn "error while reloading, exiting.";
2378	exit 1;	3427	exit 1;
2379	}	3428	};
2380		3429
2381	warn "reloaded";	3430	warn "reloaded";
2382	};	3431	};
2383		3432
		3433	our $RELOAD_WATCHER; # used only during reload
		3434
		3435	sub reload_perl() {
		3436	# doing reload synchronously and two reloads happen back-to-back,
		3437	# coro crashes during coro_state_free->destroy here.
		3438
		3439	$RELOAD_WATCHER ||= Event->timer (
		3440	reentrant => 0,
		3441	after => 0,
		3442	data => WF_AUTOCANCEL,
		3443	cb => sub {
		3444	do_reload_perl;
		3445	undef $RELOAD_WATCHER;
		3446	},
		3447	);
		3448	}
		3449
2384	register_command "reload" => sub {	3450	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2386		3452
2387	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
		3457	reload_perl;
		3458	};
2391	}	3459	}
2392	};	3460	};
2393		3461
2394	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
		3463
		3464	my $bug_warning = 0;
		3465
		3466	our @WAIT_FOR_TICK;
		3467	our @WAIT_FOR_TICK_BEGIN;
		3468
		3469	sub wait_for_tick {
		3470	return unless $TICK_WATCHER->is_active;
		3471	return if $Coro::current == $Coro::main;
		3472
		3473	my $signal = new Coro::Signal;
		3474	push @WAIT_FOR_TICK, $signal;
		3475	$signal->wait;
		3476	}
		3477
		3478	sub wait_for_tick_begin {
		3479	return unless $TICK_WATCHER->is_active;
		3480	return if $Coro::current == $Coro::main;
		3481
		3482	my $signal = new Coro::Signal;
		3483	push @WAIT_FOR_TICK_BEGIN, $signal;
		3484	$signal->wait;
		3485	}
2395		3486
2396	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3488	reentrant => 0,
		3489	parked => 1,
2398	prio => 0,	3490	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3491	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3492	data => WF_AUTOCANCEL,
2401	cb => sub {	3493	cb => sub {
		3494	if ($Coro::current != $Coro::main) {
		3495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3496	unless ++$bug_warning > 10;
		3497	return;
		3498	}
		3499
2402	$NOW = Event::time;	3500	$NOW = $tick_start = Event::time;
2403		3501
2404	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
		3503
2405	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2407		3506
2408	$WAIT_FOR_TICK->broadcast;	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
		3511	write_runtime
		3512	or warn "ERROR: unable to write runtime file: $!";
		3513	};
		3514	}
		3515
		3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3517	$sig->send;
		3518	}
		3519	while (my $sig = shift @WAIT_FOR_TICK) {
		3520	$sig->send;
		3521	}
		3522
		3523	$NOW = Event::time;
2410		3524
2411	# if we are delayed by four ticks or more, skip them all	3525	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3526	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3527
2414	$TICK_WATCHER->at ($NEXT_TICK);	3528	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3529	$TICK_WATCHER->start;
		3530
		3531	$LOAD = ($NOW - $tick_start) / $TICK;
		3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3533
		3534	_post_tick;
2416	},	3535	},
2417	);	3536	);
2418		3537
		3538	{
		3539	BDB::min_parallel 8;
2419	IO::AIO::max_poll_time $TICK * 0.2;	3540	BDB::max_poll_time $TICK * 0.1;
2420		3541	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3542	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3543	fd => BDB::poll_fileno,
2423	poll => 'r',	3544	poll => 'r',
2424	prio => 5,	3545	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
		3547	cb => \&BDB::poll_cb,
		3548	);
		3549
		3550	BDB::set_sync_prepare {
		3551	my $status;
		3552	my $current = $Coro::current;
		3553	(
		3554	sub {
		3555	$status = $!;
		3556	$current->ready; undef $current;
		3557	},
		3558	sub {
		3559	Coro::schedule while defined $current;
		3560	$! = $status;
		3561	},
		3562	)
		3563	};
		3564
		3565	unless ($DB_ENV) {
		3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3571
		3572	cf::sync_job {
		3573	eval {
		3574	BDB::db_env_open
		3575	$DB_ENV,
		3576	$BDBDIR,
		3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3579	0666;
		3580
		3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3582	};
		3583
		3584	cf::cleanup "db_env_open(db): $@" if $@;
		3585	};
		3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
2431	after => 0,	3589	after => 3,
2432	interval => 10,	3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
2433	cb => sub {	3594	cb => sub {
2434	(Coro::unblock_sub {	3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2435	write_runtime	3596	},
2436	or warn "ERROR: unable to write runtime file: $!";	3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
		3618	}
		3619
		3620	{
		3621	IO::AIO::min_parallel 8;
		3622
		3623	undef $Coro::AIO::WATCHER;
		3624	IO::AIO::max_poll_time $TICK * 0.1;
		3625	$AIO_POLL_WATCHER = Event->io (
		3626	reentrant => 0,
		3627	data => WF_AUTOCANCEL,
		3628	fd => IO::AIO::poll_fileno,
		3629	poll => 'r',
		3630	prio => 0,
		3631	cb => \&IO::AIO::poll_cb,
		3632	);
		3633	}
		3634
		3635	my $_log_backtrace;
		3636
		3637	sub _log_backtrace {
		3638	my ($msg, @addr) = @_;
		3639
		3640	$msg =~ s/\n//;
		3641
		3642	# limit the # of concurrent backtraces
		3643	if ($_log_backtrace < 2) {
		3644	++$_log_backtrace;
		3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
		3648	my @bt = fork_call {
		3649	@addr = map { sprintf "%x", $_ } @addr;
		3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3652	or die "addr2line: $!";
		3653
		3654	my @funcs;
		3655	my @res = <$fh>;
		3656	chomp for @res;
		3657	while (@res) {
		3658	my ($func, $line) = splice @res, 0, 2, ();
		3659	push @funcs, "[$func] $line";
		3660	}
		3661
		3662	@funcs
		3663	};
		3664
		3665	LOG llevInfo, "[ABT] $msg\n";
		3666	LOG llevInfo, "[ABT] $_\n" for @bt;
		3667	--$_log_backtrace;
2437	})->();	3668	};
		3669	} else {
		3670	LOG llevInfo, "[ABT] $msg\n";
		3671	LOG llevInfo, "[ABT] [suppressed]\n";
2438	},	3672	}
2439	);	3673	}
		3674
		3675	# load additional modules
		3676	use cf::pod;
2440		3677
2441	END { cf::emergency_save }	3678	END { cf::emergency_save }
2442		3679
2443	1	3680	1
2444		3681

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