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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 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) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
311	Coro::cede or Event::one_event;	452	Event::one_event;
312	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
313		462
314	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
315	} else {	464	} else {
316	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
317		466
…		…
337	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
338		487
339	$coro	488	$coro
340	}	489	}
341		490
342	sub write_runtime {	491	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		492
345	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
346		497
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
348	or return;
349		499
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	500	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	501	my ($cb, @args) = @_;
352	and return;
353		502
354	aio_fsync $fh	503	# we seemingly have to make a local copy of the whole thing,
355	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
356		506
357	close $fh	507	my @res = Coro::Util::fork_eval {
358	or return;	508	reset_signals;
		509	&$cb
		510	}, @args;
359		511
360	aio_rename "$runtime~", $runtime	512	wantarray ? @res : $res[-1]
361	and return;	513	}
362		514
		515	=item $value = cf::db_get $family => $key
		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
363	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
		640	}
		641
		642	=item cf::datalog type => key => value, ...
		643
		644	Log a datalog packet of the given type with the given key-value pairs.
		645
		646	=cut
		647
		648	sub datalog($@) {
		649	my ($type, %kv) = @_;
		650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	651	}
365		652
366	=back	653	=back
367		654
368	=cut	655	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
377		664
378	In the following description, CLASS can be any of C<global>, C<object>	665	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	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	667	Crossfire TRT).
381		668
382	=over 4	669	=over 4
383		670
384	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
385		672
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	786	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	787	our @CB_MAP = ();
501		788
502	my %attachment;	789	my %attachment;
503		790
		791	sub cf::attachable::thawer_merge {
		792	# simply override everything except _meta
		793	local $_[0]{_meta};
		794	%{$_[0]} = %{$_[1]};
		795	}
		796
504	sub _attach_cb($$$$) {	797	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	798	my ($registry, $event, $prio, $cb) = @_;
506		799
507	use sort 'stable';	800	use sort 'stable';
508		801
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
543		836
544	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		841
549	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	843	my $pkg = shift @arg;
551		844
552	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
582	}	875	}
583		876
584	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
585	} else {	878	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	880	}
588		881
589	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
590	}	883	}
591		884
…		…
593	if (ref $_[0]) {	886	if (ref $_[0]) {
594	_object_attach @_;	887	_object_attach @_;
595	} else {	888	} else {
596	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
597	}	890	}
		891	_recalc_want;
598	};	892	};
599		893
600	# all those should be optimised	894	# all those should be optimised
601	sub cf::attachable::detach {	895	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
606	reattach ($obj);	900	reattach ($obj);
607	} else {	901	} else {
608	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
609	}	903	}
		904	_recalc_want;
610	};	905	};
611		906
612	sub cf::attachable::attached {	907	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
614		909
…		…
629	";	924	";
630	die if $@;	925	die if $@;
631	}	926	}
632		927
633	our $override;	928	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		930
636	sub override {	931	sub override {
637	$override = 1;	932	$override = 1;
638	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
639	}	934	}
640		935
641	sub do_invoke {	936	sub do_invoke {
642	my $event = shift;	937	my $event = shift;
643	my $callbacks = shift;	938	my $callbacks = shift;
644		939
645	@invoke_results = ();	940	@INVOKE_RESULTS = ();
646		941
647	local $override;	942	local $override;
648		943
649	for (@$callbacks) {	944	for (@$callbacks) {
650	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
667		962
668	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
669		964
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	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	966	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		968
674	=back	969	=back
675		970
676	=cut	971	=cut
677		972
678	#############################################################################	973	#############################################################################
679	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
680		1017
681	sub reattach {	1018	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1020	my ($obj) = @_;
		1021
		1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1023
685	my $registry = $obj->registry;	1024	my $registry = $obj->registry;
686		1025
687	@$registry = ();	1026	@$registry = ();
688		1027
…		…
729	sub object_freezer_save {	1068	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
731		1070
732	sync_job {	1071	sync_job {
733	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
736		1076
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1080	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1081	close $fh;
742		1082
743	if (@$objs) {	1083	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1088	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1089	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
751	}	1091	}
752	} else {	1092	} else {
753	aio_unlink "$filename.pst";	1093	aio_unlink "$filename.pst";
…		…
759	}	1099	}
760	} else {	1100	} else {
761	aio_unlink $filename;	1101	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
763	}	1103	}
764	}	1104	};
765	}	1105	}
766		1106
767	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
769		1109
…		…
781	or return;	1121	or return;
782		1122
783	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
785	or return;	1125	or return;
		1126
786	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
787	}	1129	}
788		1130
		1131	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
791	return ($data, $av);	1135	($data, $av)
792	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
793		1143
794	#############################################################################	1144	#############################################################################
795	# command handling &c	1145	# command handling &c
796		1146
797	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1161	}
812		1162
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1164
815	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
816		1170
817	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
818	called.	1172	called.
819		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
820	=cut	1185	=cut
821		1186
822	sub register_extcmd {	1187	sub register_extcmd {
823	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
824		1189
825	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
826	}	1197	}
827		1198
828	cf::player->attach (	1199	cf::player->attach (
829	on_command => sub {	1200	on_command => sub {
830	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1210	cf::override;
840	},	1211	},
841	on_extcmd => sub {	1212	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
843		1214
844	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1216
846	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
852	} else {	1232	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1234	}
855		1235
856	cf::override;	1236	cf::override;
857	},	1237	},
858	);	1238	);
859		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
895	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1245	next unless -r $path;
897	eval {	1246
898	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
899	1	1304	}
900	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
901	}	1310	};
902	}	1311	}
903		1312
904	#############################################################################	1313	#############################################################################
905		1314
		1315	=back
		1316
906	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
907		1318
908	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
909		1320
910	=cut	1321	=cut
…		…
915		1326
916	=head3 cf::player	1327	=head3 cf::player
917		1328
918	=over 4	1329	=over 4
919		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
920	=item cf::player::find $login	1345	=item cf::player::find $login
921		1346
922	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
923		1348
924	=cut	1349	=cut
925		1350
926	sub playerdir($) {	1351	sub playerdir($) {
927	cf::localdir	1352	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1354	}
933		1355
934	sub path($) {	1356	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1358
937	(playerdir $login) . "/$login.pl"	1359	(playerdir $login) . "/playerdata"
938	}	1360	}
939		1361
940	sub find_active($) {	1362	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1363	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1364	and $cf::PLAYER{$_[0]}->active
…		…
945		1367
946	sub exists($) {	1368	sub exists($) {
947	my ($login) = @_;	1369	my ($login) = @_;
948		1370
949	$cf::PLAYER{$login}	1371	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1372	or cf::sync_job { !aio_stat path $login }
951	}	1373	}
952		1374
953	sub find($) {	1375	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1376	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1377	my $login = $_[0];
956		1378
957	my $guard = cf::lock_acquire "user_find:$login";	1379	my $guard = cf::lock_acquire "user_find:$login";
958		1380
959	$cf::PLAYER{$_[0]} || do {	1381	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1382	# rename old playerfiles to new ones
		1383	#TODO: remove when no longer required
		1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1387	aio_unlink +(playerdir $login) . "/$login.pl";
		1388
		1389	my $f = new_from_file cf::object::thawer path $login
961	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
963	}	1397	}
964	}	1398	}
965	}	1399	}
966		1400
…		…
976		1410
977	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
979		1413
980	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
981	Coro::cede;	1415	cf::cede_to_tick;
982	}	1416	}
983		1417
984	sub new($) {	1418	sub new($) {
985	my ($login) = @_;	1419	my ($login) = @_;
986		1420
…		…
992	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
993		1427
994	$self	1428	$self
995	}	1429	}
996		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
		1439	}
		1440
997	=item $pl->quit_character	1441	=item $pl->quit_character
998		1442
999	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1444	be destroyed. May block for a long time.
1001		1445
1002	=cut	1446	=cut
1003		1447
1004	sub quit_character {	1448	sub quit_character {
1005	my ($pl) = @_;	1449	my ($pl) = @_;
		1450
		1451	my $name = $pl->ob->name;
1006		1452
1007	$pl->{deny_save} = 1;	1453	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1454	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1455
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1461	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1462	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1463	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1464	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1465	$pl->destroy;
		1466
		1467	my $prefix = qr<^~\Q$name\E/>;
		1468
		1469	# nuke player maps
		1470	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1471
1020	IO::AIO::aio_rmtree $temp;	1472	IO::AIO::aio_rmtree $temp;
		1473	}
		1474
		1475	=item $pl->kick
		1476
		1477	Kicks a player out of the game. This destroys the connection.
		1478
		1479	=cut
		1480
		1481	sub kick {
		1482	my ($pl, $kicker) = @_;
		1483
		1484	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1485	$pl->killer ("kicked");
		1486	$pl->ns->destroy;
1021	}	1487	}
1022		1488
1023	=item cf::player::list_logins	1489	=item cf::player::list_logins
1024		1490
1025	Returns am arrayref of all valid playernames in the system, can take a	1491	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1027		1493
1028	=cut	1494	=cut
1029		1495
1030	sub list_logins {	1496	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1498	or return [];
1033		1499
1034	my @logins;	1500	my @logins;
1035		1501
1036	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1040		1511
1041	utf8::decode $login;	1512	utf8::decode $login;
1042	push @logins, $login;	1513	push @logins, $login;
1043	}	1514	}
1044		1515
…		…
1052		1523
1053	=cut	1524	=cut
1054		1525
1055	sub maps($) {	1526	sub maps($) {
1056	my ($pl) = @_;	1527	my ($pl) = @_;
		1528
		1529	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1530
1058	my $files = aio_readdir playerdir $pl	1531	my $files = aio_readdir playerdir $pl
1059	or return;	1532	or return;
1060		1533
1061	my @paths;	1534	my @paths;
…		…
1063	for (@$files) {	1536	for (@$files) {
1064	utf8::decode $_;	1537	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1538	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1539	next unless /^$PATH_SEP/o;
1067		1540
1068	s/\.map$//;	1541	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1542	}
1071		1543
1072	\@paths	1544	\@paths
1073	}	1545	}
1074		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1076		1599
1077	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1078		1601
1079	=cut	1602	=cut
1080		1603
1081	sub ext_reply($$$%) {	1604	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1083		1606
1084	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1608	}
1088		1609
1089	package cf;	1610	=item $player->ext_msg ($type, @msg)
		1611
		1612	Sends an ext event to the client.
		1613
		1614	=cut
		1615
		1616	sub ext_msg($$@) {
		1617	my ($self, $type, @msg) = @_;
		1618
		1619	$self->ns->ext_msg ($type, @msg);
		1620	}
		1621
		1622	=head3 cf::region
		1623
		1624	=over 4
		1625
		1626	=cut
		1627
		1628	package cf::region;
		1629
		1630	=item cf::region::find_by_path $path
		1631
		1632	Tries to decuce the likely region for a map knowing only its path.
		1633
		1634	=cut
		1635
		1636	sub find_by_path($) {
		1637	my ($path) = @_;
		1638
		1639	my ($match, $specificity);
		1640
		1641	for my $region (list) {
		1642	if ($region->{match} && $path =~ $region->{match}) {
		1643	($match, $specificity) = ($region, $region->specificity)
		1644	if $region->specificity > $specificity;
		1645	}
		1646	}
		1647
		1648	$match
		1649	}
1090		1650
1091	=back	1651	=back
1092
1093		1652
1094	=head3 cf::map	1653	=head3 cf::map
1095		1654
1096	=over 4	1655	=over 4
1097		1656
…		…
1101		1660
1102	use Fcntl;	1661	use Fcntl;
1103	use Coro::AIO;	1662	use Coro::AIO;
1104		1663
1105	use overload	1664	use overload
1106	'""' => \&as_string;	1665	'""' => \&as_string,
		1666	fallback => 1;
1107		1667
1108	our $MAX_RESET = 3600;	1668	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1669	our $DEFAULT_RESET = 3000;
1110		1670
1111	sub generate_random_map {	1671	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1672	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1673	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1674	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1686	)
1128	}	1687	}
1129		1688
		1689	=item cf::map->register ($regex, $prio)
		1690
		1691	Register a handler for the map path matching the given regex at the
		1692	givne priority (higher is better, built-in handlers have priority 0, the
		1693	default).
		1694
		1695	=cut
		1696
1130	sub register {	1697	sub register {
1131	my (undef, $regex) = @_;	1698	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1699	my $pkg = caller;
1133		1700
1134	no strict;	1701	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1702	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1703
1137	$EXT_MAP{$pkg} = qr<$regex>;	1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1705	}
1139		1706
1140	# also paths starting with '/'	1707	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1709
		1710	sub thawer_merge {
		1711	my ($self, $merge) = @_;
		1712
		1713	# we have to keep some variables in memory intact
		1714	local $self->{path};
		1715	local $self->{load_path};
		1716
		1717	$self->SUPER::thawer_merge ($merge);
		1718	}
1142		1719
1143	sub normalise {	1720	sub normalise {
1144	my ($path, $base) = @_;	1721	my ($path, $base) = @_;
		1722
		1723	$path = "$path"; # make sure its a string
		1724
		1725	$path =~ s/\.map$//;
1145		1726
1146	# map plan:	1727	# map plan:
1147	#	1728	#
1148	# /! non-realised random map exit (special hack!)	1729	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1730	# {... are special paths that are not being touched
…		…
1177		1758
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1759	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1760
1180	$path = normalise $path, $base;	1761	$path = normalise $path, $base;
1181		1762
1182	for my $pkg (keys %EXT_MAP) {	1763	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1764	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1765	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1766	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1187	return $self;	1768	return $self;
1188	}	1769	}
1189	}	1770	}
1190		1771
1191	Carp::carp "unable to resolve path '$path'.";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1773	()
1193	}	1774	}
1194		1775
1195	sub init {	1776	sub init {
1196	my ($self) = @_;	1777	my ($self) = @_;
…		…
1211		1792
1212	# the original (read-only) location	1793	# the original (read-only) location
1213	sub load_path {	1794	sub load_path {
1214	my ($self) = @_;	1795	my ($self) = @_;
1215		1796
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1217	}	1798	}
1218		1799
1219	# the temporary/swap location	1800	# the temporary/swap location
1220	sub save_path {	1801	sub save_path {
1221	my ($self) = @_;	1802	my ($self) = @_;
1222		1803
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1225	}	1806	}
1226		1807
1227	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1228	sub uniq_path {	1809	sub uniq_path {
1229	my ($self) = @_;	1810	my ($self) = @_;
1230		1811
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1233	}	1814	}
1234		1815
1235	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1236	# all maps in C++...	1817	# all maps in C++...
1237	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1239		1820
1240	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1242	}	1823	}
1243		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1244	sub unlink_save {	1833	sub unlink_save {
1245	my ($self) = @_;	1834	my ($self) = @_;
1246		1835
1247	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1839	}
1251		1840
1252	sub load_header_from($) {	1841	sub load_header_from($) {
1253	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1254		1843
1255	utf8::encode $path;	1844	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1257	or return;	1846	or return;
1258		1847
1259	$self->_load_header ($path)	1848	$self->_load_header ($f)
1260	or return;	1849	or return;
1261		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
		1853
1262	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1263		1855
1264	1	1856	1
1265	}	1857	}
1266		1858
1267	sub load_orig {	1859	sub load_header_orig {
1268	my ($self) = @_;	1860	my ($self) = @_;
1269		1861
1270	$self->load_header_from ($self->load_path)	1862	$self->load_header_from ($self->load_path)
1271	}	1863	}
1272		1864
1273	sub load_temp {	1865	sub load_header_temp {
1274	my ($self) = @_;	1866	my ($self) = @_;
1275		1867
1276	$self->load_header_from ($self->save_path)	1868	$self->load_header_from ($self->save_path)
		1869	}
		1870
		1871	sub prepare_temp {
		1872	my ($self) = @_;
		1873
		1874	$self->last_access ((delete $self->{last_access})
		1875	|| $cf::RUNTIME); #d#
		1876	# safety
		1877	$self->{instantiate_time} = $cf::RUNTIME
		1878	if $self->{instantiate_time} > $cf::RUNTIME;
		1879	}
		1880
		1881	sub prepare_orig {
		1882	my ($self) = @_;
		1883
		1884	$self->{load_original} = 1;
		1885	$self->{instantiate_time} = $cf::RUNTIME;
		1886	$self->last_access ($cf::RUNTIME);
		1887	$self->instantiate;
1277	}	1888	}
1278		1889
1279	sub load_header {	1890	sub load_header {
1280	my ($self) = @_;	1891	my ($self) = @_;
1281		1892
1282	if ($self->load_temp) {	1893	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1894	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1895	} else {
1289	$self->load_orig	1896	$self->load_header_orig
1290	or return;	1897	or return;
1291		1898	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1899	}
		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
		1904	$self->default_region (cf::region::find_by_path $self->{path})
		1905	unless $self->default_region;
1297		1906
1298	1	1907	1
1299	}	1908	}
1300		1909
1301	sub find;	1910	sub find;
1302	sub find {	1911	sub find {
1303	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1304		1913
1305	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1306		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1308		1918
1309	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1311	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1312	or return;	1924	or return;
1313		1925
1314	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1315		1927
1316	$map->load_header	1928	$map->load_header
1317	or return;	1929	or return;
1318		1930
1319	if ($map->should_reset) {	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1932	# doing this can freeze the server in a sync job, obviously
		1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1320	$map->reset;	1936	$map->reset;
1321	undef $guard;
1322	$map = find $path	1937	return find $path;
1323	or return;
1324	}	1938	}
1325		1939
1326	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1327	}	1941	}
1328	}	1942	}
		1943
		1944	sub pre_load { }
		1945	sub post_load { }
1329		1946
1330	sub load {	1947	sub load {
1331	my ($self) = @_;	1948	my ($self) = @_;
1332		1949
		1950	local $self->{deny_reset} = 1; # loading can take a long time
		1951
1333	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1335		1956
		1957	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1959
1338	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1339		1961
1340	$self->alloc;	1962	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1963
		1964	$self->pre_load;
		1965	cf::cede_to_tick;
		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1342	or return;	1970	or return;
1343		1971
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1973	if delete $self->{load_original};
1346		1974
1347	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1976	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1979	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1352	}	1983	}
1353	}	1984	}
1354		1985
1355	Coro::cede;	1986	$f->resolve_delayed_derefs;
1356		1987
		1988	cf::cede_to_tick;
1357	# now do the right thing for maps	1989	# now do the right thing for maps
1358	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1359
1360	unless ($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)	1991	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1992	unless $self->difficulty;
1368	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1369	$self->activate;	2002	$self->activate;
1370	}	2003	}
1371		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
1372	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
		2009	}
		2010
		2011	$self->post_load;
1373	}	2012	}
1374		2013
1375	sub customise_for {	2014	sub customise_for {
1376	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1377		2016
1378	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	2018	if $self->per_player;
1380		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1381	$self	2023	$self
1382	}	2024	}
1383		2025
1384	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	2027	sub load_neighbours {
1386	my ($map) = @_;	2028	my ($map) = @_;
1387		2029
1388	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1389		2031
1390	for (0 .. 3) {	2032	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1392	or next;	2034	or next;
1393	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1394	or next;	2036	or next;
1395	$neigh->load;	2037	$neigh->load;
1396		2038
		2039	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2042	}
1400		2043
1401	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1403	or next;	2047	or next;
1404	$neigh->load;	2048	$neigh->load;
1405	}	2049	}
1406	}	2050	}
1407		2051
…		…
1412	}	2056	}
1413		2057
1414	sub do_load_sync {	2058	sub do_load_sync {
1415	my ($map) = @_;	2059	my ($map) = @_;
1416		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1417	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1418	}	2065	}
1419		2066
1420	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2068	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		2069
1434	sub find_async {	2070	sub find_async {
1435	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1436		2072
1437	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1438		2074
1439	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2077	}
		2078
		2079	$MAP_PREFETCH{$path} |= $load;
		2080
		2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
		2084	while (%MAP_PREFETCH) {
		2085	while (my ($k, $v) = each %MAP_PREFETCH) {
		2086	if (my $map = find $k) {
		2087	$map->load if $v;
		2088	}
		2089
		2090	delete $MAP_PREFETCH{$k};
		2091	}
		2092	}
		2093	undef $MAP_PREFETCHER;
1441	}	2094	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2095	$MAP_PREFETCHER->prio (6);
1445		2096
1446	()	2097	()
1447	}	2098	}
1448		2099
1449	sub save {	2100	sub save {
1450	my ($self) = @_;	2101	my ($self) = @_;
1451		2102
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2104
1454	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1455		2106
1456	return unless $self->dirty;	2107	return unless $self->dirty;
1457		2108
…		…
1463	return if $self->{deny_save};	2114	return if $self->{deny_save};
1464		2115
1465	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1466		2117
1467	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1468	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1469	};	2121	};
1470		2122
1471	if ($uniq) {	2123	if ($uniq) {
1472	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1480	my ($self) = @_;	2132	my ($self) = @_;
1481		2133
1482	# save first because save cedes	2134	# save first because save cedes
1483	$self->save;	2135	$self->save;
1484		2136
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2138
1487	return if $self->players;	2139	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2141	return if $self->{deny_save};
1490		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2147	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2148	}
1494		2149
1495	sub reset_at {	2150	sub reset_at {
1496	my ($self) = @_;	2151	my ($self) = @_;
1497		2152
1498	# TODO: safety, remove and allow resettable per-player maps	2153	# 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};	2154	return 1e99 if $self->{deny_reset};
1501		2155
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2158
…		…
1509	my ($self) = @_;	2163	my ($self) = @_;
1510		2164
1511	$self->reset_at <= $cf::RUNTIME	2165	$self->reset_at <= $cf::RUNTIME
1512	}	2166	}
1513		2167
1514	sub rename {
1515	my ($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	$self->save;
1526	}
1527
1528	sub reset {	2168	sub reset {
1529	my ($self) = @_;	2169	my ($self) = @_;
1530		2170
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2172
1533	return if $self->players;	2173	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2174
1536	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
		2176
		2177	$self->in_memory (cf::MAP_SWAPPED);
		2178
		2179	# need to save uniques path
		2180	unless ($self->{deny_save}) {
		2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2182
		2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2184	if $uniq;
		2185	}
1537		2186
1538	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1539		2188
1540	$self->in_memory (cf::MAP_SWAPPED);	2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2191	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2192
1545	$self->unlink_save;	2193	$self->unlink_save;
1546	$self->destroy;	2194	$self->destroy;
1547	}	2195	}
1548		2196
1549	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1550		2198
1551	sub nuke {	2199	sub nuke {
1552	my ($self) = @_;	2200	my ($self) = @_;
1553		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
		2205	delete $cf::MAP{$self->path};
		2206
		2207	$self->unlink_save;
		2208
		2209	bless $self, "cf::map";
		2210	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2214
		2215	$cf::MAP{$self->path} = $self;
		2216	}
		2217
1557	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1558	}	2255	}
1559		2256
1560	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1561		2258
1562	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2260	instantiated unique items. May block.
1564		2261
1565	=cut	2262	=cut
1566		2263
1567	sub unique_maps() {	2264	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1569	or return;	2266	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2267	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2268	/\.map$/
1579	push @paths, $_;	2269	? normalise $_
		2270	: ()
		2271	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2272	]
1581
1582	\@paths
1583	}	2273	}
1584		2274
1585	package cf;	2275	package cf;
1586		2276
1587	=back	2277	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1606	}	2296	}
1607		2297
1608	sub inv_recursive {	2298	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1610	}	2328	}
1611		2329
1612	package cf;	2330	package cf;
1613		2331
1614	=back	2332	=back
…		…
1633		2351
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2353
1636	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1638	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1641	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1642	}	2379	}
1643		2380
1644	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1645		2382
1646	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2415	=cut
1679		2416
1680	sub link_map {	2417	sub link_map {
1681	unless ($LINK_MAP) {	2418	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2419	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2420	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2421	$LINK_MAP->load;
1685	}	2422	}
1686		2423
1687	$LINK_MAP	2424	$LINK_MAP
1688	}	2425	}
…		…
1693	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1694		2431
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2433
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1699		2436
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2438	}
1702		2439
1703	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1705		2444
1706	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1707		2446
1708	unless ($map) {	2447	unless ($map) {
1709	# restore original map position	2448	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1726		2465
1727	$map->load;	2466	$map->load;
1728	$map->load_diag;	2467	$map->load_neighbours;
1729		2468
1730	return unless $self->contr->active;	2469	return unless $self->contr->active;
1731	$self->activate_recursive;	2470	$self->activate_recursive;
		2471
		2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1733	}	2474	}
1734		2475
1735	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2477
1739	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1743	};	2482	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2483
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	2484	=cut
		2485
		2486	our $GOTOGEN;
1770		2487
1771	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2493
1774	$self->enter_link;	2494	$self->enter_link;
1775		2495
1776	(async {	2496	(async {
1777	my $map = cf::map::find $path;	2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
		2518	my $map = eval {
		2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
1779		2523	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2524	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
1784		2527
		2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
		2534	}
		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1786	})->prio (1);	2542	})->prio (1);
1787	}	2543	}
1788		2544
1789	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1790		2546
…		…
1792		2548
1793	sub parse_random_map_params {	2549	sub parse_random_map_params {
1794	my ($spec) = @_;	2550	my ($spec) = @_;
1795		2551
1796	my $rmp = { # defaults	2552	my $rmp = { # defaults
1797	xsize => 10,	2553	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2554	ysize => (cf::rndm 15, 40),
		2555	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2556	#layout => string,
1799	};	2557	};
1800		2558
1801	for (split /\n/, $spec) {	2559	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2560	my ($k, $v) = split /\s+/, $_, 2;
1803		2561
…		…
1807	$rmp	2565	$rmp
1808	}	2566	}
1809		2567
1810	sub prepare_random_map {	2568	sub prepare_random_map {
1811	my ($exit) = @_;	2569	my ($exit) = @_;
		2570
		2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2572
1813	# all this does is basically replace the /! path by	2573	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2574	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2575	# that depends on the exit object
1816		2576
1817	my $rmp = parse_random_map_params $exit->msg;	2577	my $rmp = parse_random_map_params $exit->msg;
1818		2578
1819	if ($exit->map) {	2579	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2580	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2581	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2582	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2583	$rmp->{origin_y} = $exit->y;
1824	}	2584	}
1825		2585
1826	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1827		2587
1828	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
		2590	my $meta = "$RANDOMDIR/$md5.meta";
1830		2591
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
		2594	undef $fh;
		2595	aio_rename "$meta~", $meta;
1833		2596
1834	$exit->slaying ("?random/$md5");	2597	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2598	$exit->msg (undef);
1836	}	2599	}
1837	}	2600	}
…		…
1839	sub cf::object::player::enter_exit {	2602	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2603	my ($self, $exit) = @_;
1841		2604
1842	return unless $self->type == cf::PLAYER;	2605	return unless $self->type == cf::PLAYER;
1843		2606
		2607	if ($exit->slaying eq "/!") {
		2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2609	# the problem is that $exit might not survive long enough
		2610	# so it needs to be done right now, right here
		2611	cf::sync_job { prepare_random_map $exit };
		2612	}
		2613
		2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2615	my $hp = $exit->stats->hp;
		2616	my $sp = $exit->stats->sp;
		2617
1844	$self->enter_link;	2618	$self->enter_link;
1845		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
1846	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
1847	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2628	unless (eval {
1849	prepare_random_map $exit	2629	$self->goto ($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		2630
1855	1;	2631	1;
1856	}) {	2632	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2633	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2634	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2635	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2636	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2637
1862	warn "ERROR in enter_exit: $@";	2638	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2639	$self->leave_link;
1864	}	2640	}
1865	})->prio (1);	2641	})->prio (1);
…		…
1878		2654
1879	sub cf::client::send_drawinfo {	2655	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2656	my ($self, $text, $flags) = @_;
1881		2657
1882	utf8::encode $text;	2658	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2660	}
1885		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
		2755	=item $client->ext_msg ($type, @msg)
		2756
		2757	Sends an ext event to the client.
		2758
		2759	=cut
		2760
		2761	sub cf::client::ext_msg($$@) {
		2762	my ($self, $type, @msg) = @_;
		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
		2767	push @msg, msgtype => "event_$type";
		2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
		2788	}
1886		2789
1887	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
1888		2791
1889	Queues a query to the client, calling the given callback with	2792	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>,	2793	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>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2795
1893	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2797	become reliable at some point in the future.
1895		2798
1896	=cut	2799	=cut
1897		2800
1898	sub cf::client::query {	2801	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2810	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2812
1910	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
1912	}	2817	}
1913		2818
1914	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
1915	on_reply => sub {	2825	on_reply => sub {
1916	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
1917		2827
1918	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
1919	# get handled first	2829	# get handled first
1920	my $queue = delete $ns->{query_queue}	2830	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2831	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2832
1923	(shift @$queue)->[1]->($msg);	2833	(shift @$queue)->[1]->($msg);
		2834	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2835
1925	push @{ $ns->{query_queue} }, @$queue;	2836	push @{ $ns->{query_queue} }, @$queue;
1926		2837
1927	if (@{ $ns->{query_queue} } == @$queue) {	2838	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2839	if (@$queue) {
…		…
1930	} else {	2841	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2843	}
1933	}	2844	}
1934	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
1935	);	2872	);
1936		2873
1937	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
1938		2875
1939	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
1982		2919
1983	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
1984		2921
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
1986		2927
1987	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
1988		2929
1989	=pod	2930	=pod
1990		2931
1991	The following fucntions and emthods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
1992		2933
1993	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
1994	cf::object::player player	2938	cf::object::player
1995	cf::player peaceful	2939	player
1996	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
1997		2946
1998	=cut	2947	=cut
1999		2948
2000	for (	2949	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2002	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2005	) {	2956	) {
2006	no strict 'refs';	2957	no strict 'refs';
…		…
2077	=back	3028	=back
2078		3029
2079	=cut	3030	=cut
2080		3031
2081	#############################################################################	3032	#############################################################################
		3033	# the server's init and main functions
2082		3034
2083	=head2 EXTENSION DATABASE SUPPORT	3035	sub load_facedata($) {
		3036	my ($path) = @_;
2084		3037
2085	Crossfire maintains a very simple database for extension use. It can	3038	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	3039	# for this (global event?)
2087	excludes objects.	3040	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		3041
2089	The parameter C<$family> should best start with the name of the extension	3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		3043
2092	=over 4	3044	warn "loading facedata from $path\n";
2093		3045
2094	=item $hashref = cf::db_get $family	3046	my $facedata;
		3047	0 < aio_load $path, $facedata
		3048	or die "$path: $!";
2095		3049
2096	Return a hashref for use by the extension C<$family>, which can be	3050	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3051
2100	=item $value = cf::db_get $family => $key	3052	$facedata->{version} == 2
		3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3054
2102	Returns a single value from the database	3055	# patch in the exptable
2103		3056	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3057	type => FT_RSRC,
2105		3058	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	});	3059	};
		3060	cf::cede_to_tick;
2155		3061
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3062	{
		3063	my $faces = $facedata->{faceinfo};
2160		3064
2161	sub db_get($;$) {	3065	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	3067	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	3068	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		3071
2167	sub db_put($$;$) {	3072	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	},	3073	}
2181	);
2182	}
2183		3074
2184	#############################################################################	3075	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3076	next unless $info->{smooth};
		3077	my $idx = cf::face::find $face
		3078	or next;
		3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
		3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3082	} else {
		3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3084	}
2186		3085
2187	sub cfg_load {	3086	cf::cede_to_tick;
		3087	}
		3088	}
		3089
		3090	{
		3091	my $anims = $facedata->{animinfo};
		3092
		3093	while (my ($anim, $info) = each %$anims) {
		3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3095	cf::cede_to_tick;
		3096	}
		3097
		3098	cf::anim::invalidate_all; # d'oh
		3099	}
		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
		3150	1
		3151	}
		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
		3175	sub reload_facedata {
		3176	load_facedata "$DATADIR/facedata"
		3177	or die "unable to load facedata\n";
		3178	}
		3179
		3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
		3188	}
		3189
		3190	sub reload_treasures {
		3191	load_resource_file "$DATADIR/treasures"
		3192	or die "unable to load treasurelists\n";
		3193	}
		3194
		3195	sub reload_resources {
		3196	warn "reloading resource files...\n";
		3197
		3198	reload_regions;
		3199	reload_facedata;
		3200	#reload_archetypes;#d#
		3201	reload_archetypes;
		3202	reload_treasures;
		3203
		3204	warn "finished reloading resource files\n";
		3205	}
		3206
		3207	sub init {
		3208	reload_resources;
		3209	}
		3210
		3211	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3213	or return;
2190		3214
2191	local $/;	3215	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2193		3217
…		…
2207		3231
2208	sub main {	3232	sub main {
2209	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2212	async { Event::one_event };	3238	Event::one_event;
		3239	})->prio (Coro::PRIO_MAX);
2213	};	3240	};
2214		3241
2215	cfg_load;	3242	reload_config;
2216	db_load;	3243	db_init;
2217	load_extensions;	3244	load_extensions;
		3245
		3246	$TICK_WATCHER->start;
2218	Event::loop;	3247	Event::loop;
2219	}	3248	}
2220		3249
2221	#############################################################################	3250	#############################################################################
2222	# initialisation and cleanup	3251	# initialisation and cleanup
2223		3252
2224	# install some emergency cleanup handlers	3253	# install some emergency cleanup handlers
2225	BEGIN {	3254	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3255	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3256	Event->signal (
		3257	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3258	data => WF_AUTOCANCEL,
2229	signal => $signal,	3259	signal => $signal,
		3260	prio => 0,
2230	cb => sub {	3261	cb => sub {
2231	cf::cleanup "SIG$signal";	3262	cf::cleanup "SIG$signal";
2232	},	3263	},
2233	);	3264	);
2234	}	3265	}
		3266	}
		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
2235	}	3304	}
2236		3305
2237	sub emergency_save() {	3306	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2239		3308
…		…
2245	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2246	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2247	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2248	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2249	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2250	$pl->save;	3320	$pl->save;
2251	}	3321	}
2252	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2253		3323
2254	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2256	my $map = $cf::MAP{$path} or next;	3326	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3327	$map->valid or next;
2258	$map->save;	3328	$map->save;
2259	}	3329	}
2260	warn "end emergency map save\n";	3330	warn "end emergency map save\n";
		3331
		3332	warn "begin emergency database checkpoint\n";
		3333	BDB::db_env_txn_checkpoint $DB_ENV;
		3334	warn "end emergency database checkpoint\n";
2261	};	3335	};
2262		3336
2263	warn "leave emergency perl save\n";	3337	warn "leave emergency perl save\n";
2264	}	3338	}
2265		3339
		3340	sub post_cleanup {
		3341	my ($make_core) = @_;
		3342
		3343	warn Carp::longmess "post_cleanup backtrace"
		3344	if $make_core;
		3345	}
		3346
2266	sub reload() {	3347	sub do_reload_perl() {
2267	# can/must only be called in main	3348	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3349	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3350	warn "can only reload from main coroutine";
2270	return;	3351	return;
2271	}	3352	}
2272		3353
2273	warn "reloading...";	3354	warn "reloading...";
2274		3355
2275	warn "freezing server";	3356	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3357
		3358	cf::sync_job {
		3359	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3360	cf::emergency_save;
		3361	cf::write_runtime; # external watchdog should not bark
2278		3362
2279	warn "sync database to disk";	3363	warn "syncing database to disk";
2280	cf::db_sync;	3364	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3365
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3366	# if anything goes wrong in here, we should simply crash as we already saved
2285		3367
2286	warn "cancel all watchers";	3368	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3369	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3370	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3371	}
2290		3372
		3373	warn "flushing outstanding aio requests";
		3374	for (;;) {
		3375	BDB::flush;
		3376	IO::AIO::flush;
		3377	Coro::cede_notself;
		3378	last unless IO::AIO::nreqs || BDB::nreqs;
		3379	warn "iterate...";
		3380	}
		3381
		3382	++$RELOAD;
		3383
2291	warn "cancel all extension coros";	3384	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3385	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3386	%EXT_CORO = ();
2294		3387
2295	warn "remove commands";	3388	warn "removing commands";
2296	%COMMAND = ();	3389	%COMMAND = ();
2297		3390
2298	warn "remove ext commands";	3391	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2300		3394
2301	warn "unload/nuke all extensions";	3395	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2304		3398
2305	if (my $cb = $pkg->can ("unload")) {	3399	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3400	eval {
…		…
2311		3405
2312	warn "... nuking $pkg";	3406	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3407	Symbol::delete_package $pkg;
2314	}	3408	}
2315		3409
2316	warn "unload all perl modules loaded from $LIBDIR";	3410	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3411	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3412	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3413
2320	warn "removing <$k>";	3414	warn "... unloading $k";
2321	delete $INC{$k};	3415	delete $INC{$k};
2322		3416
2323	$k =~ s/\.pm$//;	3417	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3418	$k =~ s/\//::/g;
2325		3419
…		…
2328	}	3422	}
2329		3423
2330	Symbol::delete_package $k;	3424	Symbol::delete_package $k;
2331	}	3425	}
2332		3426
2333	warn "get rid of safe::, as good as possible";	3427	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3430
2337	warn "unload cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2339		3434
2340	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3436	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2343		3438
		3439	warn "unload completed, starting to reload now";
		3440
2344	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2345	require cf;	3442	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3444
2348	warn "load config and database again";	3445	warn "loading config and database again";
2349	cf::cfg_load;	3446	cf::reload_config;
2350	cf::db_load;
2351		3447
2352	warn "load extensions";	3448	warn "loading extensions";
2353	cf::load_extensions;	3449	cf::load_extensions;
2354		3450
2355	warn "reattach attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3452	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3453	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3454	reattach $_ for values %MAP;
2359	};	3455	warn "reattaching attachments to players";
		3456	reattach $_ for values %PLAYER;
2360		3457
2361	if ($@) {	3458	warn "leaving sync_job";
		3459
		3460	1
		3461	} or do {
2362	warn $@;	3462	warn $@;
2363	warn "error while reloading, exiting.";	3463	warn "error while reloading, exiting.";
2364	exit 1;	3464	exit 1;
2365	}	3465	};
2366		3466
2367	warn "reloaded";	3467	warn "reloaded";
2368	};	3468	};
2369		3469
		3470	our $RELOAD_WATCHER; # used only during reload
		3471
		3472	sub reload_perl() {
		3473	# doing reload synchronously and two reloads happen back-to-back,
		3474	# coro crashes during coro_state_free->destroy here.
		3475
		3476	$RELOAD_WATCHER ||= Event->timer (
		3477	reentrant => 0,
		3478	after => 0,
		3479	data => WF_AUTOCANCEL,
		3480	cb => sub {
		3481	do_reload_perl;
		3482	undef $RELOAD_WATCHER;
		3483	},
		3484	);
		3485	}
		3486
2370	register_command "reload" => sub {	3487	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2372		3489
2373	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
		3494	reload_perl;
		3495	};
2377	}	3496	}
2378	};	3497	};
2379		3498
2380	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
		3500
		3501	my $bug_warning = 0;
		3502
		3503	our @WAIT_FOR_TICK;
		3504	our @WAIT_FOR_TICK_BEGIN;
		3505
		3506	sub wait_for_tick {
		3507	return unless $TICK_WATCHER->is_active;
		3508	return if $Coro::current == $Coro::main;
		3509
		3510	my $signal = new Coro::Signal;
		3511	push @WAIT_FOR_TICK, $signal;
		3512	$signal->wait;
		3513	}
		3514
		3515	sub wait_for_tick_begin {
		3516	return unless $TICK_WATCHER->is_active;
		3517	return if $Coro::current == $Coro::main;
		3518
		3519	my $signal = new Coro::Signal;
		3520	push @WAIT_FOR_TICK_BEGIN, $signal;
		3521	$signal->wait;
		3522	}
2381		3523
2382	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3525	reentrant => 0,
		3526	parked => 1,
2384	prio => 0,	3527	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3528	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3529	data => WF_AUTOCANCEL,
2387	cb => sub {	3530	cb => sub {
		3531	if ($Coro::current != $Coro::main) {
		3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3533	unless ++$bug_warning > 10;
		3534	return;
		3535	}
		3536
2388	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2389		3538
2390	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
		3540
2391	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2393		3543
2394	$WAIT_FOR_TICK->broadcast;	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
		3548	write_runtime
		3549	or warn "ERROR: unable to write runtime file: $!";
		3550	};
		3551	}
		3552
		3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2396		3561
2397	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3564
2400	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
		3567
		3568	$LOAD = ($NOW - $tick_start) / $TICK;
		3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3570
		3571	_post_tick;
2402	},	3572	},
2403	);	3573	);
2404		3574
		3575	{
		3576	BDB::min_parallel 8;
2405	IO::AIO::max_poll_time $TICK * 0.2;	3577	BDB::max_poll_time $TICK * 0.1;
2406		3578	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3579	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3580	fd => BDB::poll_fileno,
2409	poll => 'r',	3581	poll => 'r',
2410	prio => 5,	3582	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
		3584	cb => \&BDB::poll_cb,
		3585	);
		3586
		3587	BDB::set_sync_prepare {
		3588	my $status;
		3589	my $current = $Coro::current;
		3590	(
		3591	sub {
		3592	$status = $!;
		3593	$current->ready; undef $current;
		3594	},
		3595	sub {
		3596	Coro::schedule while defined $current;
		3597	$! = $status;
		3598	},
		3599	)
		3600	};
		3601
		3602	unless ($DB_ENV) {
		3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3608
		3609	cf::sync_job {
		3610	eval {
		3611	BDB::db_env_open
		3612	$DB_ENV,
		3613	$BDBDIR,
		3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3616	0666;
		3617
		3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3619	};
		3620
		3621	cf::cleanup "db_env_open(db): $@" if $@;
		3622	};
		3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
2417	after => 0,	3626	after => 3,
2418	interval => 10,	3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
2419	cb => sub {	3631	cb => sub {
2420	(Coro::unblock_sub {	3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2421	write_runtime	3633	},
2422	or warn "ERROR: unable to write runtime file: $!";	3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
		3655	}
		3656
		3657	{
		3658	IO::AIO::min_parallel 8;
		3659
		3660	undef $Coro::AIO::WATCHER;
		3661	IO::AIO::max_poll_time $TICK * 0.1;
		3662	$AIO_POLL_WATCHER = Event->io (
		3663	reentrant => 0,
		3664	data => WF_AUTOCANCEL,
		3665	fd => IO::AIO::poll_fileno,
		3666	poll => 'r',
		3667	prio => 0,
		3668	cb => \&IO::AIO::poll_cb,
		3669	);
		3670	}
		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
2423	})->();	3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
2424	},	3709	}
2425	);	3710	}
		3711
		3712	# load additional modules
		3713	use cf::pod;
2426		3714
2427	END { cf::emergency_save }	3715	END { cf::emergency_save }
2428		3716
2429	1	3717	1
2430		3718

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