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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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 Storable;	8	use Socket;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
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, 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	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
680		1013
681	sub reattach {	1014	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1016	my ($obj) = @_;
		1017
		1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1019
685	my $registry = $obj->registry;	1020	my $registry = $obj->registry;
686		1021
687	@$registry = ();	1022	@$registry = ();
688		1023
…		…
729	sub object_freezer_save {	1064	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
731		1066
732	sync_job {	1067	sync_job {
733	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
736		1072
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1076	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1077	close $fh;
742		1078
743	if (@$objs) {	1079	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1084	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1085	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
751	}	1087	}
752	} else {	1088	} else {
753	aio_unlink "$filename.pst";	1089	aio_unlink "$filename.pst";
…		…
759	}	1095	}
760	} else {	1096	} else {
761	aio_unlink $filename;	1097	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
763	}	1099	}
764	}	1100	};
765	}	1101	}
766		1102
767	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
769		1105
…		…
781	or return;	1117	or return;
782		1118
783	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
785	or return;	1121	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };
787	}
788		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
791	return ($data, $av);	1132	($data, $av)
792	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
793		1140
794	#############################################################################	1141	#############################################################################
795	# command handling &c	1142	# command handling &c
796		1143
797	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1158	}
812		1159
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1161
815	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
816		1167
817	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
818	called.	1169	called.
819		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
820	=cut	1182	=cut
821		1183
822	sub register_extcmd {	1184	sub register_extcmd {
823	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
824		1186
825	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
826	}	1194	}
827		1195
828	cf::player->attach (	1196	cf::player->attach (
829	on_command => sub {	1197	on_command => sub {
830	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1207	cf::override;
840	},	1208	},
841	on_extcmd => sub {	1209	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
843		1211
844	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1213
846	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
852	} else {	1229	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1231	}
855		1232
856	cf::override;	1233	cf::override;
857	},	1234	},
858	);	1235	);
859		1236
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 {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
895	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1242	next unless -r $path;
897	eval {	1243
898	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
899	1	1301	}
900	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
901	}	1307	};
902	}	1308	}
903		1309
904	#############################################################################	1310	#############################################################################
905		1311
		1312	=back
		1313
906	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
907		1315
908	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
909		1317
910	=cut	1318	=cut
…		…
915		1323
916	=head3 cf::player	1324	=head3 cf::player
917		1325
918	=over 4	1326	=over 4
919		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
920	=item cf::player::find $login	1342	=item cf::player::find $login
921		1343
922	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
923		1345
924	=cut	1346	=cut
925		1347
926	sub playerdir($) {	1348	sub playerdir($) {
927	cf::localdir	1349	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1351	}
933		1352
934	sub path($) {	1353	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1355
937	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
938	}	1357	}
939		1358
940	sub find_active($) {	1359	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
945		1364
946	sub exists($) {	1365	sub exists($) {
947	my ($login) = @_;	1366	my ($login) = @_;
948		1367
949	$cf::PLAYER{$login}	1368	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1369	or cf::sync_job { !aio_stat path $login }
951	}	1370	}
952		1371
953	sub find($) {	1372	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1373	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1374	my $login = $_[0];
956		1375
957	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
958		1377
959	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
961	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
963	}	1394	}
964	}	1395	}
965	}	1396	}
966		1397
…		…
976		1407
977	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
979		1410
980	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
981	Coro::cede;	1412	cf::cede_to_tick;
982	}	1413	}
983		1414
984	sub new($) {	1415	sub new($) {
985	my ($login) = @_;	1416	my ($login) = @_;
986		1417
…		…
992	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
993		1424
994	$self	1425	$self
995	}	1426	}
996		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
		1436	}
		1437
997	=item $pl->quit_character	1438	=item $pl->quit_character
998		1439
999	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1441	be destroyed. May block for a long time.
1001		1442
1002	=cut	1443	=cut
1003		1444
1004	sub quit_character {	1445	sub quit_character {
1005	my ($pl) = @_;	1446	my ($pl) = @_;
		1447
		1448	my $name = $pl->ob->name;
1006		1449
1007	$pl->{deny_save} = 1;	1450	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1451	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1452
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1458	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1459	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1460	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1461	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1462	$pl->destroy;
		1463
		1464	my $prefix = qr<^~\Q$name\E/>;
		1465
		1466	# nuke player maps
		1467	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1468
1020	IO::AIO::aio_rmtree $temp;	1469	IO::AIO::aio_rmtree $temp;
		1470	}
		1471
		1472	=item $pl->kick
		1473
		1474	Kicks a player out of the game. This destroys the connection.
		1475
		1476	=cut
		1477
		1478	sub kick {
		1479	my ($pl, $kicker) = @_;
		1480
		1481	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1482	$pl->killer ("kicked");
		1483	$pl->ns->destroy;
1021	}	1484	}
1022		1485
1023	=item cf::player::list_logins	1486	=item cf::player::list_logins
1024		1487
1025	Returns am arrayref of all valid playernames in the system, can take a	1488	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1027		1490
1028	=cut	1491	=cut
1029		1492
1030	sub list_logins {	1493	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1495	or return [];
1033		1496
1034	my @logins;	1497	my @logins;
1035		1498
1036	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1040		1508
1041	utf8::decode $login;	1509	utf8::decode $login;
1042	push @logins, $login;	1510	push @logins, $login;
1043	}	1511	}
1044		1512
…		…
1052		1520
1053	=cut	1521	=cut
1054		1522
1055	sub maps($) {	1523	sub maps($) {
1056	my ($pl) = @_;	1524	my ($pl) = @_;
		1525
		1526	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1527
1058	my $files = aio_readdir playerdir $pl	1528	my $files = aio_readdir playerdir $pl
1059	or return;	1529	or return;
1060		1530
1061	my @paths;	1531	my @paths;
…		…
1063	for (@$files) {	1533	for (@$files) {
1064	utf8::decode $_;	1534	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1535	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1536	next unless /^$PATH_SEP/o;
1067		1537
1068	s/\.map$//;	1538	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1539	}
1071		1540
1072	\@paths	1541	\@paths
1073	}	1542	}
1074		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1076		1596
1077	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1078		1598
1079	=cut	1599	=cut
1080		1600
1081	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1083		1603
1084	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1605	}
1088		1606
1089	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1090		1647
1091	=back	1648	=back
1092
1093		1649
1094	=head3 cf::map	1650	=head3 cf::map
1095		1651
1096	=over 4	1652	=over 4
1097		1653
…		…
1101		1657
1102	use Fcntl;	1658	use Fcntl;
1103	use Coro::AIO;	1659	use Coro::AIO;
1104		1660
1105	use overload	1661	use overload
1106	'""' => \&as_string;	1662	'""' => \&as_string,
		1663	fallback => 1;
1107		1664
1108	our $MAX_RESET = 3600;	1665	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1666	our $DEFAULT_RESET = 3000;
1110		1667
1111	sub generate_random_map {	1668	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1669	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1670	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1671	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1681	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1682	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1683	)
1128	}	1684	}
1129		1685
		1686	=item cf::map->register ($regex, $prio)
		1687
		1688	Register a handler for the map path matching the given regex at the
		1689	givne priority (higher is better, built-in handlers have priority 0, the
		1690	default).
		1691
		1692	=cut
		1693
1130	sub register {	1694	sub register {
1131	my (undef, $regex) = @_;	1695	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1696	my $pkg = caller;
1133		1697
1134	no strict;	1698	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1699	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1700
1137	$EXT_MAP{$pkg} = qr<$regex>;	1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1702	}
1139		1703
1140	# also paths starting with '/'	1704	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1706
		1707	sub thawer_merge {
		1708	my ($self, $merge) = @_;
		1709
		1710	# we have to keep some variables in memory intact
		1711	local $self->{path};
		1712	local $self->{load_path};
		1713
		1714	$self->SUPER::thawer_merge ($merge);
		1715	}
1142		1716
1143	sub normalise {	1717	sub normalise {
1144	my ($path, $base) = @_;	1718	my ($path, $base) = @_;
		1719
		1720	$path = "$path"; # make sure its a string
		1721
		1722	$path =~ s/\.map$//;
1145		1723
1146	# map plan:	1724	# map plan:
1147	#	1725	#
1148	# /! non-realised random map exit (special hack!)	1726	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1727	# {... are special paths that are not being touched
…		…
1177		1755
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1756	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1757
1180	$path = normalise $path, $base;	1758	$path = normalise $path, $base;
1181		1759
1182	for my $pkg (keys %EXT_MAP) {	1760	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1761	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1762	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1763	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1187	return $self;	1765	return $self;
1188	}	1766	}
1189	}	1767	}
1190		1768
1191	Carp::carp "unable to resolve path '$path'.";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1770	()
1193	}	1771	}
1194		1772
1195	sub init {	1773	sub init {
1196	my ($self) = @_;	1774	my ($self) = @_;
…		…
1211		1789
1212	# the original (read-only) location	1790	# the original (read-only) location
1213	sub load_path {	1791	sub load_path {
1214	my ($self) = @_;	1792	my ($self) = @_;
1215		1793
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1217	}	1795	}
1218		1796
1219	# the temporary/swap location	1797	# the temporary/swap location
1220	sub save_path {	1798	sub save_path {
1221	my ($self) = @_;	1799	my ($self) = @_;
1222		1800
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1225	}	1803	}
1226		1804
1227	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1228	sub uniq_path {	1806	sub uniq_path {
1229	my ($self) = @_;	1807	my ($self) = @_;
1230		1808
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1233	}	1811	}
1234		1812
1235	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1236	# all maps in C++...	1814	# all maps in C++...
1237	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1239		1817
1240	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1242	}	1820	}
1243		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1244	sub unlink_save {	1830	sub unlink_save {
1245	my ($self) = @_;	1831	my ($self) = @_;
1246		1832
1247	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1835	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1836	}
1251		1837
1252	sub load_header_from($) {	1838	sub load_header_from($) {
1253	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1254		1840
1255	utf8::encode $path;	1841	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1257	or return;	1843	or return;
1258		1844
1259	$self->_load_header ($path)	1845	$self->_load_header ($f)
1260	or return;	1846	or return;
1261		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
		1850
1262	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1263		1852
1264	1	1853	1
1265	}	1854	}
1266		1855
1267	sub load_orig {	1856	sub load_header_orig {
1268	my ($self) = @_;	1857	my ($self) = @_;
1269		1858
1270	$self->load_header_from ($self->load_path)	1859	$self->load_header_from ($self->load_path)
1271	}	1860	}
1272		1861
1273	sub load_temp {	1862	sub load_header_temp {
1274	my ($self) = @_;	1863	my ($self) = @_;
1275		1864
1276	$self->load_header_from ($self->save_path)	1865	$self->load_header_from ($self->save_path)
		1866	}
		1867
		1868	sub prepare_temp {
		1869	my ($self) = @_;
		1870
		1871	$self->last_access ((delete $self->{last_access})
		1872	|| $cf::RUNTIME); #d#
		1873	# safety
		1874	$self->{instantiate_time} = $cf::RUNTIME
		1875	if $self->{instantiate_time} > $cf::RUNTIME;
		1876	}
		1877
		1878	sub prepare_orig {
		1879	my ($self) = @_;
		1880
		1881	$self->{load_original} = 1;
		1882	$self->{instantiate_time} = $cf::RUNTIME;
		1883	$self->last_access ($cf::RUNTIME);
		1884	$self->instantiate;
1277	}	1885	}
1278		1886
1279	sub load_header {	1887	sub load_header {
1280	my ($self) = @_;	1888	my ($self) = @_;
1281		1889
1282	if ($self->load_temp) {	1890	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1891	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1892	} else {
1289	$self->load_orig	1893	$self->load_header_orig
1290	or return;	1894	or return;
1291		1895	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1896	}
		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
1297		1903
1298	1	1904	1
1299	}	1905	}
1300		1906
1301	sub find;	1907	sub find;
1302	sub find {	1908	sub find {
1303	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1304		1910
1305	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1306		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1308		1915
1309	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1311	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1312	or return;	1921	or return;
1313		1922
1314	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1315		1924
1316	$map->load_header	1925	$map->load_header
1317	or return;	1926	or return;
1318		1927
1319	if ($map->should_reset) {	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1929	# doing this can freeze the server in a sync job, obviously
		1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1320	$map->reset;	1933	$map->reset;
1321	undef $guard;
1322	$map = find $path	1934	return find $path;
1323	or return;
1324	}	1935	}
1325		1936
1326	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1327	}	1938	}
1328	}	1939	}
		1940
		1941	sub pre_load { }
		1942	sub post_load { }
1329		1943
1330	sub load {	1944	sub load {
1331	my ($self) = @_;	1945	my ($self) = @_;
1332		1946
		1947	local $self->{deny_reset} = 1; # loading can take a long time
		1948
1333	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1335		1953
		1954	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1956
1338	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1339		1958
1340	$self->alloc;	1959	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1960
		1961	$self->pre_load;
		1962	cf::cede_to_tick;
		1963
		1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1342	or return;	1967	or return;
1343		1968
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1970	if delete $self->{load_original};
1346		1971
1347	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1973	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1976	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1352	}	1980	}
1353	}	1981	}
1354		1982
1355	Coro::cede;	1983	$f->resolve_delayed_derefs;
1356		1984
		1985	cf::cede_to_tick;
1357	# now do the right thing for maps	1986	# now do the right thing for maps
1358	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1989	unless $self->difficulty;
1368	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1369	$self->activate;	1999	$self->activate;
1370	}	2000	}
1371		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2005	$self->in_memory (cf::MAP_IN_MEMORY);
		2006	}
		2007
		2008	$self->post_load;
1373	}	2009	}
1374		2010
1375	sub customise_for {	2011	sub customise_for {
1376	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1377		2013
1378	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2015	if $self->per_player;
1380		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1381	$self	2020	$self
1382	}	2021	}
1383		2022
1384	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2024	sub load_neighbours {
1386	my ($map) = @_;	2025	my ($map) = @_;
1387		2026
1388	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1389		2028
1390	for (0 .. 3) {	2029	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1392	or next;	2031	or next;
1393	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1394	or next;	2033	or next;
1395	$neigh->load;	2034	$neigh->load;
1396		2035
		2036	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2039	}
1400		2040
1401	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1403	or next;	2044	or next;
1404	$neigh->load;	2045	$neigh->load;
1405	}	2046	}
1406	}	2047	}
1407		2048
…		…
1412	}	2053	}
1413		2054
1414	sub do_load_sync {	2055	sub do_load_sync {
1415	my ($map) = @_;	2056	my ($map) = @_;
1416		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1417	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1418	}	2062	}
1419		2063
1420	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2065	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2066
1434	sub find_async {	2067	sub find_async {
1435	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1436		2069
1437	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1438		2071
1439	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2074	}
		2075
		2076	$MAP_PREFETCH{$path} |= $load;
		2077
		2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
		2081	while (%MAP_PREFETCH) {
		2082	while (my ($k, $v) = each %MAP_PREFETCH) {
		2083	if (my $map = find $k) {
		2084	$map->load if $v;
		2085	}
		2086
		2087	delete $MAP_PREFETCH{$k};
		2088	}
		2089	}
		2090	undef $MAP_PREFETCHER;
1441	}	2091	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2092	$MAP_PREFETCHER->prio (6);
1445		2093
1446	()	2094	()
1447	}	2095	}
1448		2096
1449	sub save {	2097	sub save {
1450	my ($self) = @_;	2098	my ($self) = @_;
1451		2099
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2101
1454	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1455		2103
1456	return unless $self->dirty;	2104	return unless $self->dirty;
1457		2105
…		…
1463	return if $self->{deny_save};	2111	return if $self->{deny_save};
1464		2112
1465	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1466		2114
1467	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1469	};	2118	};
1470		2119
1471	if ($uniq) {	2120	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1480	my ($self) = @_;	2129	my ($self) = @_;
1481		2130
1482	# save first because save cedes	2131	# save first because save cedes
1483	$self->save;	2132	$self->save;
1484		2133
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2135
1487	return if $self->players;	2136	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2138	return if $self->{deny_save};
1490		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2144	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2145	}
1494		2146
1495	sub reset_at {	2147	sub reset_at {
1496	my ($self) = @_;	2148	my ($self) = @_;
1497		2149
1498	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1501		2152
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2155
…		…
1509	my ($self) = @_;	2160	my ($self) = @_;
1510		2161
1511	$self->reset_at <= $cf::RUNTIME	2162	$self->reset_at <= $cf::RUNTIME
1512	}	2163	}
1513		2164
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2165	sub reset {
1529	my ($self) = @_;	2166	my ($self) = @_;
1530		2167
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2169
1533	return if $self->players;	2170	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2171
1536	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
		2173
		2174	$self->in_memory (cf::MAP_SWAPPED);
		2175
		2176	# need to save uniques path
		2177	unless ($self->{deny_save}) {
		2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2179
		2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2181	if $uniq;
		2182	}
1537		2183
1538	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1539		2185
1540	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2188	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2189
1545	$self->unlink_save;	2190	$self->unlink_save;
1546	$self->destroy;	2191	$self->destroy;
1547	}	2192	}
1548		2193
1549	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1550		2195
1551	sub nuke {	2196	sub nuke {
1552	my ($self) = @_;	2197	my ($self) = @_;
1553		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
		2202	delete $cf::MAP{$self->path};
		2203
		2204	$self->unlink_save;
		2205
		2206	bless $self, "cf::map";
		2207	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2211
		2212	$cf::MAP{$self->path} = $self;
		2213	}
		2214
1557	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1558	}	2252	}
1559		2253
1560	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1561		2255
1562	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2257	instantiated unique items. May block.
1564		2258
1565	=cut	2259	=cut
1566		2260
1567	sub unique_maps() {	2261	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1569	or return;	2263	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2264	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2265	/\.map$/
1579	push @paths, $_;	2266	? normalise $_
		2267	: ()
		2268	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2269	]
1581
1582	\@paths
1583	}	2270	}
1584		2271
1585	package cf;	2272	package cf;
1586		2273
1587	=back	2274	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1606	}	2293	}
1607		2294
1608	sub inv_recursive {	2295	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1610	}	2325	}
1611		2326
1612	package cf;	2327	package cf;
1613		2328
1614	=back	2329	=back
…		…
1633		2348
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2350
1636	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1638	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1641	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1642	}	2376	}
1643		2377
1644	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1645		2379
1646	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2412	=cut
1679		2413
1680	sub link_map {	2414	sub link_map {
1681	unless ($LINK_MAP) {	2415	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2416	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2417	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2418	$LINK_MAP->load;
1685	}	2419	}
1686		2420
1687	$LINK_MAP	2421	$LINK_MAP
1688	}	2422	}
…		…
1693	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1694		2428
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2430
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1699		2433
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2435	}
1702		2436
1703	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1705		2441
1706	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1707		2443
1708	unless ($map) {	2444	unless ($map) {
1709	# restore original map position	2445	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1726		2462
1727	$map->load;	2463	$map->load;
1728	$map->load_diag;	2464	$map->load_neighbours;
1729		2465
1730	return unless $self->contr->active;	2466	return unless $self->contr->active;
1731	$self->activate_recursive;	2467	$self->activate_recursive;
		2468
		2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1733	}	2471	}
1734		2472
1735	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2474
1739	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1743	};	2479	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2480
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1770		2484
1771	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2490
1774	$self->enter_link;	2491	$self->enter_link;
1775		2492
1776	(async {	2493	(async {
1777	my $map = cf::map::find $path;	2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
		2515	my $map = eval {
		2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
1779		2520	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2521	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
1784		2524
		2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
		2531	}
		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1786	})->prio (1);	2539	})->prio (1);
1787	}	2540	}
1788		2541
1789	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1790		2543
…		…
1792		2545
1793	sub parse_random_map_params {	2546	sub parse_random_map_params {
1794	my ($spec) = @_;	2547	my ($spec) = @_;
1795		2548
1796	my $rmp = { # defaults	2549	my $rmp = { # defaults
1797	xsize => 10,	2550	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2551	ysize => (cf::rndm 15, 40),
		2552	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2553	#layout => string,
1799	};	2554	};
1800		2555
1801	for (split /\n/, $spec) {	2556	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2557	my ($k, $v) = split /\s+/, $_, 2;
1803		2558
…		…
1807	$rmp	2562	$rmp
1808	}	2563	}
1809		2564
1810	sub prepare_random_map {	2565	sub prepare_random_map {
1811	my ($exit) = @_;	2566	my ($exit) = @_;
		2567
		2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2569
1813	# all this does is basically replace the /! path by	2570	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2571	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2572	# that depends on the exit object
1816		2573
1817	my $rmp = parse_random_map_params $exit->msg;	2574	my $rmp = parse_random_map_params $exit->msg;
1818		2575
1819	if ($exit->map) {	2576	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2577	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2578	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2579	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2580	$rmp->{origin_y} = $exit->y;
1824	}	2581	}
1825		2582
1826	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1827		2584
1828	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
		2587	my $meta = "$RANDOMDIR/$md5.meta";
1830		2588
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
		2591	undef $fh;
		2592	aio_rename "$meta~", $meta;
1833		2593
1834	$exit->slaying ("?random/$md5");	2594	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2595	$exit->msg (undef);
1836	}	2596	}
1837	}	2597	}
…		…
1839	sub cf::object::player::enter_exit {	2599	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2600	my ($self, $exit) = @_;
1841		2601
1842	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1843		2603
		2604	if ($exit->slaying eq "/!") {
		2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
		2608	cf::sync_job { prepare_random_map $exit };
		2609	}
		2610
		2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2612	my $hp = $exit->stats->hp;
		2613	my $sp = $exit->stats->sp;
		2614
1844	$self->enter_link;	2615	$self->enter_link;
1845		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
1846	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1847	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2625	unless (eval {
1849	prepare_random_map $exit	2626	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2627
1855	1;	2628	1;
1856	}) {	2629	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2634
1862	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2636	$self->leave_link;
1864	}	2637	}
1865	})->prio (1);	2638	})->prio (1);
…		…
1878		2651
1879	sub cf::client::send_drawinfo {	2652	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2653	my ($self, $text, $flags) = @_;
1881		2654
1882	utf8::encode $text;	2655	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2657	}
1885		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
		2785	}
1886		2786
1887	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
1888		2788
1889	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2792
1893	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2794	become reliable at some point in the future.
1895		2795
1896	=cut	2796	=cut
1897		2797
1898	sub cf::client::query {	2798	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2807	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2809
1910	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
1912	}	2814	}
1913		2815
1914	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
1915	on_reply => sub {	2822	on_reply => sub {
1916	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
1917		2824
1918	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
1919	# get handled first	2826	# get handled first
1920	my $queue = delete $ns->{query_queue}	2827	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2828	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2829
1923	(shift @$queue)->[1]->($msg);	2830	(shift @$queue)->[1]->($msg);
		2831	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2832
1925	push @{ $ns->{query_queue} }, @$queue;	2833	push @{ $ns->{query_queue} }, @$queue;
1926		2834
1927	if (@{ $ns->{query_queue} } == @$queue) {	2835	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2836	if (@$queue) {
…		…
1930	} else {	2838	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2840	}
1933	}	2841	}
1934	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
1935	);	2869	);
1936		2870
1937	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
1938		2872
1939	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
1982		2916
1983	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
1984		2918
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
1986		2924
1987	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
1988		2926
1989	=pod	2927	=pod
1990		2928
1991	The following fucntions and emthods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
1992		2930
1993	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
1994	cf::object::player player	2935	cf::object::player
1995	cf::player peaceful	2936	player
1996	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
1997		2943
1998	=cut	2944	=cut
1999		2945
2000	for (	2946	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2005	) {	2953	) {
2006	no strict 'refs';	2954	no strict 'refs';
…		…
2077	=back	3025	=back
2078		3026
2079	=cut	3027	=cut
2080		3028
2081	#############################################################################	3029	#############################################################################
		3030	# the server's init and main functions
2082		3031
2083	=head2 EXTENSION DATABASE SUPPORT	3032	sub load_facedata($) {
		3033	my ($path) = @_;
2084		3034
2085	Crossfire maintains a very simple database for extension use. It can	3035	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3036	# for this (global event?)
2087	excludes objects.	3037	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3038
2089	The parameter C<$family> should best start with the name of the extension	3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3040
2092	=over 4	3041	warn "loading facedata from $path\n";
2093		3042
2094	=item $hashref = cf::db_get $family	3043	my $facedata;
		3044	0 < aio_load $path, $facedata
		3045	or die "$path: $!";
2095		3046
2096	Return a hashref for use by the extension C<$family>, which can be	3047	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3048
2100	=item $value = cf::db_get $family => $key	3049	$facedata->{version} == 2
		3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3051
2102	Returns a single value from the database	3052	# patch in the exptable
2103		3053	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3054	type => FT_RSRC,
2105		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3056	};
		3057	cf::cede_to_tick;
2155		3058
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3059	{
		3060	my $faces = $facedata->{faceinfo};
2160		3061
2161	sub db_get($;$) {	3062	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	3064	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	3065	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		3068
2167	sub db_put($$;$) {	3069	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3070	}
2181	);
2182	}
2183		3071
2184	#############################################################################	3072	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3073	next unless $info->{smooth};
		3074	my $idx = cf::face::find $face
		3075	or next;
		3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3079	} else {
		3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3081	}
2186		3082
2187	sub cfg_load {	3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
		3147	1
		3148	}
		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
		3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
		3192	sub reload_resources {
		3193	warn "reloading resource files...\n";
		3194
		3195	reload_regions;
		3196	reload_facedata;
		3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
		3202	}
		3203
		3204	sub init {
		3205	reload_resources;
		3206	}
		3207
		3208	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3210	or return;
2190		3211
2191	local $/;	3212	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2193		3214
…		…
2207		3228
2208	sub main {	3229	sub main {
2209	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2212	async { Event::one_event };	3235	Event::one_event;
		3236	})->prio (Coro::PRIO_MAX);
2213	};	3237	};
2214		3238
2215	cfg_load;	3239	reload_config;
2216	db_load;	3240	db_init;
2217	load_extensions;	3241	load_extensions;
		3242
		3243	$TICK_WATCHER->start;
2218	Event::loop;	3244	Event::loop;
2219	}	3245	}
2220		3246
2221	#############################################################################	3247	#############################################################################
2222	# initialisation and cleanup	3248	# initialisation and cleanup
2223		3249
2224	# install some emergency cleanup handlers	3250	# install some emergency cleanup handlers
2225	BEGIN {	3251	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3252	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3253	Event->signal (
		3254	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3255	data => WF_AUTOCANCEL,
2229	signal => $signal,	3256	signal => $signal,
		3257	prio => 0,
2230	cb => sub {	3258	cb => sub {
2231	cf::cleanup "SIG$signal";	3259	cf::cleanup "SIG$signal";
2232	},	3260	},
2233	);	3261	);
2234	}	3262	}
		3263	}
		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
2235	}	3301	}
2236		3302
2237	sub emergency_save() {	3303	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2239		3305
…		…
2245	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3317	$pl->save;
2251	}	3318	}
2252	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2253		3320
2254	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3323	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3324	$map->valid or next;
2258	$map->save;	3325	$map->save;
2259	}	3326	}
2260	warn "end emergency map save\n";	3327	warn "end emergency map save\n";
		3328
		3329	warn "begin emergency database checkpoint\n";
		3330	BDB::db_env_txn_checkpoint $DB_ENV;
		3331	warn "end emergency database checkpoint\n";
2261	};	3332	};
2262		3333
2263	warn "leave emergency perl save\n";	3334	warn "leave emergency perl save\n";
2264	}	3335	}
2265		3336
		3337	sub post_cleanup {
		3338	my ($make_core) = @_;
		3339
		3340	warn Carp::longmess "post_cleanup backtrace"
		3341	if $make_core;
		3342	}
		3343
2266	sub reload() {	3344	sub do_reload_perl() {
2267	# can/must only be called in main	3345	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3347	warn "can only reload from main coroutine";
2270	return;	3348	return;
2271	}	3349	}
2272		3350
2273	warn "reloading...";	3351	warn "reloading...";
2274		3352
2275	warn "freezing server";	3353	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3354
		3355	cf::sync_job {
		3356	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3357	cf::emergency_save;
		3358	cf::write_runtime; # external watchdog should not bark
2278		3359
2279	warn "sync database to disk";	3360	warn "syncing database to disk";
2280	cf::db_sync;	3361	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3362
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3363	# if anything goes wrong in here, we should simply crash as we already saved
2285		3364
2286	warn "cancel all watchers";	3365	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3366	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3367	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3368	}
2290		3369
		3370	warn "flushing outstanding aio requests";
		3371	for (;;) {
		3372	BDB::flush;
		3373	IO::AIO::flush;
		3374	Coro::cede;
		3375	last unless IO::AIO::nreqs || BDB::nreqs;
		3376	warn "iterate...";
		3377	}
		3378
		3379	++$RELOAD;
		3380
2291	warn "cancel all extension coros";	3381	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3382	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3383	%EXT_CORO = ();
2294		3384
2295	warn "remove commands";	3385	warn "removing commands";
2296	%COMMAND = ();	3386	%COMMAND = ();
2297		3387
2298	warn "remove ext commands";	3388	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2300		3391
2301	warn "unload/nuke all extensions";	3392	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2304		3395
2305	if (my $cb = $pkg->can ("unload")) {	3396	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3397	eval {
…		…
2311		3402
2312	warn "... nuking $pkg";	3403	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3404	Symbol::delete_package $pkg;
2314	}	3405	}
2315		3406
2316	warn "unload all perl modules loaded from $LIBDIR";	3407	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3408	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3410
2320	warn "removing <$k>";	3411	warn "... unloading $k";
2321	delete $INC{$k};	3412	delete $INC{$k};
2322		3413
2323	$k =~ s/\.pm$//;	3414	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3415	$k =~ s/\//::/g;
2325		3416
…		…
2328	}	3419	}
2329		3420
2330	Symbol::delete_package $k;	3421	Symbol::delete_package $k;
2331	}	3422	}
2332		3423
2333	warn "get rid of safe::, as good as possible";	3424	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3427
2337	warn "unload cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2339		3431
2340	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3433	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2343		3435
		3436	warn "unload completed, starting to reload now";
		3437
2344	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2345	require cf;	3439	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3441
2348	warn "load config and database again";	3442	warn "loading config and database again";
2349	cf::cfg_load;	3443	cf::reload_config;
2350	cf::db_load;
2351		3444
2352	warn "load extensions";	3445	warn "loading extensions";
2353	cf::load_extensions;	3446	cf::load_extensions;
2354		3447
2355	warn "reattach attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3449	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3450	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
2359	};	3452	warn "reattaching attachments to players";
		3453	reattach $_ for values %PLAYER;
2360		3454
2361	if ($@) {	3455	warn "leaving sync_job";
		3456
		3457	1
		3458	} or do {
2362	warn $@;	3459	warn $@;
2363	warn "error while reloading, exiting.";	3460	warn "error while reloading, exiting.";
2364	exit 1;	3461	exit 1;
2365	}	3462	};
2366		3463
2367	warn "reloaded";	3464	warn "reloaded";
2368	};	3465	};
2369		3466
		3467	our $RELOAD_WATCHER; # used only during reload
		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2370	register_command "reload" => sub {	3484	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2372		3486
2373	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
		3491	reload_perl;
		3492	};
2377	}	3493	}
2378	};	3494	};
2379		3495
2380	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
		3497
		3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2381		3520
2382	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3522	reentrant => 0,
		3523	parked => 1,
2384	prio => 0,	3524	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3525	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3526	data => WF_AUTOCANCEL,
2387	cb => sub {	3527	cb => sub {
		3528	if ($Coro::current != $Coro::main) {
		3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3530	unless ++$bug_warning > 10;
		3531	return;
		3532	}
		3533
2388	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2389		3535
2390	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2391	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2393		3540
2394	$WAIT_FOR_TICK->broadcast;	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
		3545	write_runtime
		3546	or warn "ERROR: unable to write runtime file: $!";
		3547	};
		3548	}
		3549
		3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2396		3558
2397	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3561
2400	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2402	},	3569	},
2403	);	3570	);
2404		3571
		3572	{
		3573	BDB::min_parallel 8;
2405	IO::AIO::max_poll_time $TICK * 0.2;	3574	BDB::max_poll_time $TICK * 0.1;
2406		3575	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3576	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3577	fd => BDB::poll_fileno,
2409	poll => 'r',	3578	poll => 'r',
2410	prio => 5,	3579	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
		3581	cb => \&BDB::poll_cb,
		3582	);
		3583
		3584	BDB::set_sync_prepare {
		3585	my $status;
		3586	my $current = $Coro::current;
		3587	(
		3588	sub {
		3589	$status = $!;
		3590	$current->ready; undef $current;
		3591	},
		3592	sub {
		3593	Coro::schedule while defined $current;
		3594	$! = $status;
		3595	},
		3596	)
		3597	};
		3598
		3599	unless ($DB_ENV) {
		3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3605
		3606	cf::sync_job {
		3607	eval {
		3608	BDB::db_env_open
		3609	$DB_ENV,
		3610	$BDBDIR,
		3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3613	0666;
		3614
		3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3616	};
		3617
		3618	cf::cleanup "db_env_open(db): $@" if $@;
		3619	};
		3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
2417	after => 0,	3623	after => 3,
2418	interval => 10,	3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
2419	cb => sub {	3628	cb => sub {
2420	(Coro::unblock_sub {	3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2421	write_runtime	3630	},
2422	or warn "ERROR: unable to write runtime file: $!";	3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
		3652	}
		3653
		3654	{
		3655	IO::AIO::min_parallel 8;
		3656
		3657	undef $Coro::AIO::WATCHER;
		3658	IO::AIO::max_poll_time $TICK * 0.1;
		3659	$AIO_POLL_WATCHER = Event->io (
		3660	reentrant => 0,
		3661	data => WF_AUTOCANCEL,
		3662	fd => IO::AIO::poll_fileno,
		3663	poll => 'r',
		3664	prio => 0,
		3665	cb => \&IO::AIO::poll_cb,
		3666	);
		3667	}
		3668
		3669	my $_log_backtrace;
		3670
		3671	sub _log_backtrace {
		3672	my ($msg, @addr) = @_;
		3673
		3674	$msg =~ s/\n//;
		3675
		3676	# limit the # of concurrent backtraces
		3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
2423	})->();	3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
2424	},	3706	}
2425	);	3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
2426		3711
2427	END { cf::emergency_save }	3712	END { cf::emergency_save }
2428		3713
2429	1	3714	1
2430		3715

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