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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.333 by root, Sun Aug 19 09:14:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	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 $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
228	returned.	275	returned.
229		276
230	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
288		400
289	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
353		475
354	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		477
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
362	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	close $fh	485	my @res = Coro::Util::fork_eval {
365	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
367	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
368	and return;	491	}
369		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
370	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	618	}
372		619
373	=back	620	=back
374		621
375	=cut	622	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
384		631
385	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	634	Crossfire TRT).
388		635
389	=over 4	636	=over 4
390		637
391	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
392		639
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
556		803
557	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		808
562	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	810	my $pkg = shift @arg;
564		811
565	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
595	}	842	}
596		843
597	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
598	} else {	845	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	847	}
601		848
602	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
603	}	850	}
604		851
…		…
606	if (ref $_[0]) {	853	if (ref $_[0]) {
607	_object_attach @_;	854	_object_attach @_;
608	} else {	855	} else {
609	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
610	}	857	}
		858	_recalc_want;
611	};	859	};
612		860
613	# all those should be optimised	861	# all those should be optimised
614	sub cf::attachable::detach {	862	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
619	reattach ($obj);	867	reattach ($obj);
620	} else {	868	} else {
621	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
622	}	870	}
		871	_recalc_want;
623	};	872	};
624		873
625	sub cf::attachable::attached {	874	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
627		876
…		…
642	";	891	";
643	die if $@;	892	die if $@;
644	}	893	}
645		894
646	our $override;	895	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		897
649	sub override {	898	sub override {
650	$override = 1;	899	$override = 1;
651	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
652	}	901	}
653		902
654	sub do_invoke {	903	sub do_invoke {
655	my $event = shift;	904	my $event = shift;
656	my $callbacks = shift;	905	my $callbacks = shift;
657		906
658	@invoke_results = ();	907	@INVOKE_RESULTS = ();
659		908
660	local $override;	909	local $override;
661		910
662	for (@$callbacks) {	911	for (@$callbacks) {
663	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
680		929
681	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
682		931
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		935
687	=back	936	=back
688		937
689	=cut	938	=cut
690		939
691	#############################################################################	940	#############################################################################
692	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
693		953
694	sub reattach {	954	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	956	my ($obj) = @_;
697		957
…		…
750	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
751		1011
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1016	close $fh;
757		1017
758	if (@$objs) {	1018	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1024	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
766	}	1026	}
767	} else {	1027	} else {
768	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
800	or return;	1060	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1062	}
803		1063
804	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1066	return ($data, $av);
807	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
808		1074
809	#############################################################################	1075	#############################################################################
810	# command handling &c	1076	# command handling &c
811		1077
812	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1092	}
827		1093
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1095
830	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
831		1101
832	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
833	called.	1103	called.
834		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
835	=cut	1116	=cut
836		1117
837	sub register_extcmd {	1118	sub register_extcmd {
838	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
839		1120
840	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
841	}	1128	}
842		1129
843	cf::player->attach (	1130	cf::player->attach (
844	on_command => sub {	1131	on_command => sub {
845	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1141	cf::override;
855	},	1142	},
856	on_extcmd => sub {	1143	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
858		1145
859	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1147
861	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
864	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
865	}	1158	if $reply;
866	}	1159	}
867	} else {	1160	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1162	}
870		1163
871	cf::override;	1164	cf::override;
872	},	1165	},
873	);	1166	);
874		1167
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
910	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1173	next unless -r $path;
912	eval {	1174
913	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
914	1	1232	}
915	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
916	}	1238	};
917	}	1239	}
918		1240
919	#############################################################################	1241	#############################################################################
920		1242
		1243	=back
		1244
921	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
922		1246
923	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
924		1248
925	=cut	1249	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
938		1262
939	=cut	1263	=cut
940		1264
941	sub playerdir($) {	1265	sub playerdir($) {
942	cf::localdir	1266	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1268	}
948		1269
949	sub path($) {	1270	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1272
952	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
953	}	1274	}
954		1275
955	sub find_active($) {	1276	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1291	my $login = $_[0];
971		1292
972	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
973		1294
974	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
975	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
976	or return;	1304	or return;
977	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
978	}	1306	}
979	}	1307	}
…		…
1007	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1008		1336
1009	$self	1337	$self
1010	}	1338	}
1011		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1012	=item $pl->quit_character	1350	=item $pl->quit_character
1013		1351
1014	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1016		1354
1017	=cut	1355	=cut
1018		1356
1019	sub quit_character {	1357	sub quit_character {
1020	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1021		1361
1022	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1364
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1035	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1036	}	1396	}
1037		1397
1038	=item cf::player::list_logins	1398	=item cf::player::list_logins
1039		1399
1040	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1042		1402
1043	=cut	1403	=cut
1044		1404
1045	sub list_logins {	1405	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1407	or return [];
1048		1408
1049	my @logins;	1409	my @logins;
1050		1410
1051	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1068	=cut	1428	=cut
1069		1429
1070	sub maps($) {	1430	sub maps($) {
1071	my ($pl) = @_;	1431	my ($pl) = @_;
1072		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1073	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1074	or return;	1436	or return;
1075		1437
1076	my @paths;	1438	my @paths;
1077		1439
1078	for (@$files) {	1440	for (@$files) {
1079	utf8::decode $_;	1441	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1082		1444
1083	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1446	}
1086		1447
1087	\@paths	1448	\@paths
1088	}	1449	}
1089		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1091		1502
1092	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1093		1504
1094	=cut	1505	=cut
1095		1506
1096	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1098		1509
1099	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1100		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1101	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1102	}	1517	}
1103		1518
1104	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1105		1559
1106	=back	1560	=back
1107
1108		1561
1109	=head3 cf::map	1562	=head3 cf::map
1110		1563
1111	=over 4	1564	=over 4
1112		1565
…		…
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)	1595	)
1143	}	1596	}
1144		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1145	sub register {	1606	sub register {
1146	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1608	my $pkg = caller;
1148		1609
1149	no strict;	1610	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1612
1152	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1614	}
1154		1615
1155	# also paths starting with '/'	1616	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157		1618
1158	sub thawer_merge {	1619	sub thawer_merge {
1159	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1160		1621
1161	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1162	local $self->{path};	1623	local $self->{path};
1163	local $self->{load_path};	1624	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1625
1167	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1168	}	1627	}
1169		1628
1170	sub normalise {	1629	sub normalise {
1171	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1172		1635
1173	# map plan:	1636	# map plan:
1174	#	1637	#
1175	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1204		1667
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1669
1207	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1208		1671
1209	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1214	return $self;	1677	return $self;
1215	}	1678	}
1216	}	1679	}
1217		1680
1218	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1219	()	1682	()
1220	}	1683	}
1221		1684
1222	sub init {	1685	sub init {
1223	my ($self) = @_;	1686	my ($self) = @_;
…		…
1238		1701
1239	# the original (read-only) location	1702	# the original (read-only) location
1240	sub load_path {	1703	sub load_path {
1241	my ($self) = @_;	1704	my ($self) = @_;
1242		1705
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1244	}	1707	}
1245		1708
1246	# the temporary/swap location	1709	# the temporary/swap location
1247	sub save_path {	1710	sub save_path {
1248	my ($self) = @_;	1711	my ($self) = @_;
1249		1712
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1252	}	1715	}
1253		1716
1254	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1255	sub uniq_path {	1718	sub uniq_path {
1256	my ($self) = @_;	1719	my ($self) = @_;
1257		1720
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1260	}	1723	}
1261		1724
1262	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1263	# all maps in C++...	1726	# all maps in C++...
1264	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1266		1729
1267	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1268	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1269	}	1732	}
1270		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1271	sub unlink_save {	1742	sub unlink_save {
1272	my ($self) = @_;	1743	my ($self) = @_;
1273		1744
1274	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1278		1749
1279	sub load_header_from($) {	1750	sub load_header_from($) {
1280	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1281		1752
1282	utf8::encode $path;	1753	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1284	or return;	1755	# or return;
1285		1756
1286	$self->_load_header ($path)	1757	$self->_load_header ($path)
1287	or return;	1758	or return;
1288		1759
1289	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1290		1761
1291	1	1762	1
1292	}	1763	}
1293		1764
1294	sub load_orig {	1765	sub load_header_orig {
1295	my ($self) = @_;	1766	my ($self) = @_;
1296		1767
1297	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1298	}	1769	}
1299		1770
1300	sub load_temp {	1771	sub load_header_temp {
1301	my ($self) = @_;	1772	my ($self) = @_;
1302		1773
1303	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1304	}	1794	}
1305		1795
1306	sub load_header {	1796	sub load_header {
1307	my ($self) = @_;	1797	my ($self) = @_;
1308		1798
1309	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	1801	} else {
1316	$self->load_orig	1802	$self->load_header_orig
1317	or return;	1803	or return;
1318		1804	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1324		1812
1325	1	1813	1
1326	}	1814	}
1327		1815
1328	sub find;	1816	sub find;
…		…
1341	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1342		1830
1343	$map->load_header	1831	$map->load_header
1344	or return;	1832	or return;
1345		1833
1346	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1349	$map->reset;	1837	$map->reset;
1350	undef $guard;	1838	undef $guard;
1351	$map = find $path	1839	return find $path;
1352	or return;
1353	}	1840	}
1354		1841
1355	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1356	}	1843	}
1357	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1358		1848
1359	sub load {	1849	sub load {
1360	my ($self) = @_;	1850	my ($self) = @_;
1361		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1362	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1363	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1364		1858
1365	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1366		1860
1367	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1368		1862
1369	$self->alloc;	1863	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)
1371	or return;
1372		1864
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->pre_load;
1374	if delete $self->{load_original};
1375
1376	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {
1379	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);
1381	}
1382	}
1383
1384	Coro::cede;
1385
1386	# now do the right thing for maps
1387	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;	1866	Coro::cede;
1394	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1395	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	1886	unless $self->difficulty;
1397	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1398	$self->activate;	1896	$self->activate;
1399	}	1897	}
1400		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1401	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
1402	}	1906	}
1403		1907
1404	sub customise_for {	1908	sub customise_for {
1405	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1406		1910
1407	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	1912	if $self->per_player;
1409		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1410	$self	1917	$self
1411	}	1918	}
1412		1919
1413	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	1921	sub load_neighbours {
1415	my ($map) = @_;	1922	my ($map) = @_;
1416		1923
1417	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1418		1925
1419	for (0 .. 3) {	1926	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1421	or next;	1928	or next;
1422	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1423	or next;	1930	or next;
1424	$neigh->load;	1931	$neigh->load;
1425		1932
		1933	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	1936	}
1429		1937
1430	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1432	or next;	1941	or next;
1433	$neigh->load;	1942	$neigh->load;
1434	}	1943	}
1435	}	1944	}
1436		1945
…		…
1460		1969
1461	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1462	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1463	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1465	my $map = find $path	1974	if (my $map = find $path) {
1466	or next;
1467	$map->load;	1975	$map->load;
		1976	}
1468		1977
1469	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1470	}	1979	}
1471	}	1980	}
1472	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
1473	};	1982	};
		1983	$MAP_PREFETCHER->prio (6);
1474		1984
1475	()	1985	()
1476	}	1986	}
1477		1987
1478	sub save {	1988	sub save {
…		…
1523		2033
1524	sub reset_at {	2034	sub reset_at {
1525	my ($self) = @_;	2035	my ($self) = @_;
1526		2036
1527	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1530		2039
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2042
…		…
1544	my ($self) = @_;	2053	my ($self) = @_;
1545		2054
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2056
1548	return if $self->players;	2057	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2058
1551	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1552		2070
1553	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1554		2072
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	$self->clear;	2073	$self->clear;
1557		2074
1558	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1559		2076
1560	$self->unlink_save;	2077	$self->unlink_save;
…		…
1579	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1580		2097
1581	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1582	}	2099	}
1583		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1584	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1585		2138
1586	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2140	instantiated unique items. May block.
1588		2141
1589	=cut	2142	=cut
1590		2143
1591	sub unique_maps() {	2144	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1593	or return;	2146	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2147	utf8::decode $_;
1599	next if /\.pst$/;
1600	next unless /^$PATH_SEP/o;
1601
1602	s/\.map$//;	2148	/\.map$/
1603	push @paths, $_;	2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
1604	}	2152	]
1605
1606	\@paths
1607	}	2153	}
1608		2154
1609	package cf;	2155	package cf;
1610		2156
1611	=back	2157	=back
…		…
1657		2203
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2205
1660	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1662	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1665	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1666	}	2231	}
1667		2232
1668	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1669		2234
1670	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1702	=cut	2267	=cut
1703		2268
1704	sub link_map {	2269	sub link_map {
1705	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2273	$LINK_MAP->load;
1709	}	2274	}
1710		2275
1711	$LINK_MAP	2276	$LINK_MAP
1712	}	2277	}
…		…
1717	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1718		2283
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2285
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1723		2288
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1725	}	2290	}
1726		2291
1727	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1729		2296
1730	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1731		2298
1732	unless ($map) {	2299	unless ($map) {
1733	# restore original map position	2300	# restore original map position
…		…
1747	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1750		2317
1751	$map->load;	2318	$map->load;
1752	$map->load_diag;	2319	$map->load_neighbours;
1753		2320
1754	return unless $self->contr->active;	2321	return unless $self->contr->active;
1755	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1757	}	2326	}
1758		2327
1759	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760	on_logout => sub {
1761	my ($pl) = @_;
1762		2329
1763	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1764	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1765	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1766	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1767	};	2334	be called at the end of this process.
1768	}
1769	},
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2335
1773	# try to abort aborted map switching on player login :)
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790
1791	=item $player_object->goto ($path, $x, $y)
1792
1793	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1794		2339
1795	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2345
1798	$self->enter_link;	2346	$self->enter_link;
1799		2347
1800	(async {	2348	(async {
		2349	my $map = eval {
1801	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1803		2354	$map = $check->($map) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1808		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1810	})->prio (1);	2373	})->prio (1);
1811	}	2374	}
1812		2375
1813	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1814		2377
…		…
1843	# that depends on the exit object	2406	# that depends on the exit object
1844		2407
1845	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1846		2409
1847	if ($exit->map) {	2410	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1852	}	2415	}
1853		2416
1854	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1855		2418
1856	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1857	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1859		2422
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2425	undef $fh;
1863	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1870	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1872		2435
1873	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1874		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1875	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1876		2454
1877	(async {	2455	(async {
1878	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1879	unless (eval {	2457	unless (eval {
1880	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1881	if $exit->slaying eq "/!";
1882
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1885		2459
1886	1;	2460	1;
1887	}) {	2461	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1889	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2466
1893	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1894	$self->leave_link;	2468	$self->leave_link;
1895	}	2469	}
1896	})->prio (1);	2470	})->prio (1);
…		…
1909		2483
1910	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1912		2486
1913	utf8::encode $text;	2487	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2489	}
1916		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1917		2571
1918	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1919		2573
1920	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		2577
1924	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	2579	become reliable at some point in the future.
1926		2580
1927	=cut	2581	=cut
1928		2582
1929	sub cf::client::query {	2583	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	2592	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		2594
1941	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1943	}	2599	}
1944		2600
1945	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1946	on_reply => sub {	2607	on_reply => sub {
1947	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1948		2609
1949	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1950	# get handled first	2611	# get handled first
1951	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		2614
1954	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		2617
1956	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1957		2619
1958	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	2621	if (@$queue) {
…		…
1961	} else {	2623	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	2625	}
1964	}	2626	}
1965	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1966	);	2651	);
1967		2652
1968	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1969		2654
1970	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2011	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2013		2698
2014	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2015		2700
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2017		2706
2018	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2019		2708
2020	=pod	2709	=pod
2021		2710
2022	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2023		2712
2024	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2025	cf::object::player player	2717	cf::object::player
2026	cf::player peaceful	2718	player
2027	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2028		2725
2029	=cut	2726	=cut
2030		2727
2031	for (	2728	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2033	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2035	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2036	) {	2734	) {
2037	no strict 'refs';	2735	no strict 'refs';
…		…
2108	=back	2806	=back
2109		2807
2110	=cut	2808	=cut
2111		2809
2112	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2113		2812
2114	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2115		2815
2116	Crossfire maintains a very simple database for extension use. It can	2816	warn "loading facedata from $path\n";
2117	currently store anything that can be serialised using Storable, which
2118	excludes objects.
2119		2817
2120	The parameter C<$family> should best start with the name of the extension	2818	my $facedata;
2121	using it, it should be unique.	2819	0 < aio_load $path, $facedata
		2820	or die "$path: $!";
2122		2821
2123	=over 4	2822	$facedata = Coro::Storable::thaw $facedata;
2124		2823
2125	=item $hashref = cf::db_get $family	2824	$facedata->{version} == 2
		2825	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		2826
2127	Return a hashref for use by the extension C<$family>, which can be
2128	modified. After modifications, you have to call C<cf::db_dirty> or
2129	C<cf::db_sync>.
2130
2131	=item $value = cf::db_get $family => $key
2132
2133	Returns a single value from the database
2134
2135	=item cf::db_put $family => $hashref
2136
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}	2827	{
		2828	my $faces = $facedata->{faceinfo};
2163		2829
2164	my $pid;	2830	while (my ($face, $info) = each %$faces) {
		2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2832	cf::face::set_visibility $idx, $info->{visibility};
		2833	cf::face::set_magicmap $idx, $info->{magicmap};
		2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2165		2836
2166	sub db_save() {	2837	cf::cede_to_tick;
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});
2186
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}
2191
2192	sub db_get($;$) {
2193	@_ >= 2
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197
2198	sub db_put($$;$) {
2199	if (@_ >= 3) {
2200	$DB->{$_[0]}{$_[1]} = $_[2];
2201	} else {
2202	$DB->{$_[0]} = $_[1];
2203	}
2204	db_dirty;
2205	}
2206
2207	cf::global->attach (
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	2838	}
2212	);
2213	}
2214		2839
2215	#############################################################################	2840	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	2841	next unless $info->{smooth};
		2842	my $idx = cf::face::find $face
		2843	or next;
		2844	if (my $smooth = cf::face::find $info->{smooth}) {
		2845	cf::face::set_smooth $idx, $smooth;
		2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2847	} else {
		2848	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2849	}
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853	}
		2854
		2855	{
		2856	my $anims = $facedata->{animinfo};
		2857
		2858	while (my ($anim, $info) = each %$anims) {
		2859	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2860	cf::cede_to_tick;
		2861	}
		2862
		2863	cf::anim::invalidate_all; # d'oh
		2864	}
		2865
		2866	{
		2867	# TODO: for gcfclient pleasure, we should give resources
		2868	# that gcfclient doesn't grok a >10000 face index.
		2869	my $res = $facedata->{resource};
		2870	my $enc = JSON::XS->new->utf8->canonical;
		2871
		2872	my $soundconf = delete $res->{"res/sound.conf"};
		2873
		2874	while (my ($name, $info) = each %$res) {
		2875	my $meta = $enc->encode ({
		2876	name => $name,
		2877	%{ $info->{meta} || {} },
		2878	});
		2879
		2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2881
		2882	if ($info->{type} & 1) {
		2883	# prepend meta info
		2884
		2885	my $data = pack "(w/a*)*", $meta, $info->{data};
		2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2887
		2888	cf::face::set_data $idx, 0, $data, $chk;
		2889	} else {
		2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2891	}
		2892
		2893	cf::face::set_type $idx, $info->{type};
		2894
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	if ($soundconf) {
		2899	$soundconf = $enc->decode (delete $soundconf->{data});
		2900
		2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2902	my $sound = $soundconf->{compat}[$_]
		2903	or next;
		2904
		2905	my $face = cf::face::find "sound/$sound->[1]";
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2911	my $face = cf::face::find "sound/$v";
		2912	cf::sound::set $k => $face;
		2913	}
		2914	}
		2915	}
		2916
		2917	1
		2918	}
		2919
		2920	register_exticmd fx_want => sub {
		2921	my ($ns, $want) = @_;
		2922
		2923	while (my ($k, $v) = each %$want) {
		2924	$ns->fx_want ($k, $v);
		2925	}
		2926	};
		2927
		2928	sub reload_regions {
		2929	load_resource_file "$MAPDIR/regions"
		2930	or die "unable to load regions file\n";
		2931
		2932	for (cf::region::list) {
		2933	$_->{match} = qr/$_->{match}/
		2934	if exists $_->{match};
		2935	}
		2936	}
		2937
		2938	sub reload_facedata {
		2939	load_facedata "$DATADIR/facedata"
		2940	or die "unable to load facedata\n";
		2941	}
		2942
		2943	sub reload_archetypes {
		2944	load_resource_file "$DATADIR/archetypes"
		2945	or die "unable to load archetypes\n";
		2946	#d# NEED to laod twice to resolve forward references
		2947	# this really needs to be done in an extra post-pass
		2948	# (which needs to be synchronous, so solve it differently)
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	}
		2952
		2953	sub reload_treasures {
		2954	load_resource_file "$DATADIR/treasures"
		2955	or die "unable to load treasurelists\n";
		2956	}
		2957
		2958	sub reload_resources {
		2959	warn "reloading resource files...\n";
		2960
		2961	reload_regions;
		2962	reload_facedata;
		2963	#reload_archetypes;#d#
		2964	reload_archetypes;
		2965	reload_treasures;
		2966
		2967	warn "finished reloading resource files\n";
		2968	}
		2969
		2970	sub init {
		2971	reload_resources;
		2972	}
2217		2973
2218	sub cfg_load {	2974	sub cfg_load {
2219	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
2220	or return;	2976	or return;
2221		2977
2222	local $/;	2978	local $/;
2223	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
2224		2980
…		…
2244	Event::one_event;	3000	Event::one_event;
2245	})->prio (Coro::PRIO_MAX);	3001	})->prio (Coro::PRIO_MAX);
2246	};	3002	};
2247		3003
2248	cfg_load;	3004	cfg_load;
2249	db_load;	3005	db_init;
2250	load_extensions;	3006	load_extensions;
2251		3007
2252	$TICK_WATCHER->start;	3008	$TICK_WATCHER->start;
2253	Event::loop;	3009	Event::loop;
2254	}	3010	}
…		…
2258		3014
2259	# install some emergency cleanup handlers	3015	# install some emergency cleanup handlers
2260	BEGIN {	3016	BEGIN {
2261	for my $signal (qw(INT HUP TERM)) {	3017	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3018	Event->signal (
		3019	reentrant => 0,
2263	data => WF_AUTOCANCEL,	3020	data => WF_AUTOCANCEL,
2264	signal => $signal,	3021	signal => $signal,
		3022	prio => 0,
2265	cb => sub {	3023	cb => sub {
2266	cf::cleanup "SIG$signal";	3024	cf::cleanup "SIG$signal";
2267	},	3025	},
2268	);	3026	);
2269	}	3027	}
		3028	}
		3029
		3030	sub write_runtime {
		3031	my $runtime = "$LOCALDIR/runtime";
		3032
		3033	# first touch the runtime file to show we are still running:
		3034	# the fsync below can take a very very long time.
		3035
		3036	IO::AIO::aio_utime $runtime, undef, undef;
		3037
		3038	my $guard = cf::lock_acquire "write_runtime";
		3039
		3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3041	or return;
		3042
		3043	my $value = $cf::RUNTIME + 90 + 10;
		3044	# 10 is the runtime save interval, for a monotonic clock
		3045	# 60 allows for the watchdog to kill the server.
		3046
		3047	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3048	and return;
		3049
		3050	# always fsync - this file is important
		3051	aio_fsync $fh
		3052	and return;
		3053
		3054	# touch it again to show we are up-to-date
		3055	aio_utime $fh, undef, undef;
		3056
		3057	close $fh
		3058	or return;
		3059
		3060	aio_rename "$runtime~", $runtime
		3061	and return;
		3062
		3063	warn "runtime file written.\n";
		3064
		3065	1
2270	}	3066	}
2271		3067
2272	sub emergency_save() {	3068	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3069	my $freeze_guard = cf::freeze_mainloop;
2274		3070
…		…
2291	my $map = $cf::MAP{$path} or next;	3087	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3088	$map->valid or next;
2293	$map->save;	3089	$map->save;
2294	}	3090	}
2295	warn "end emergency map save\n";	3091	warn "end emergency map save\n";
		3092
		3093	warn "begin emergency database checkpoint\n";
		3094	BDB::db_env_txn_checkpoint $DB_ENV;
		3095	warn "end emergency database checkpoint\n";
2296	};	3096	};
2297		3097
2298	warn "leave emergency perl save\n";	3098	warn "leave emergency perl save\n";
2299	}	3099	}
2300		3100
		3101	sub post_cleanup {
		3102	my ($make_core) = @_;
		3103
		3104	warn Carp::longmess "post_cleanup backtrace"
		3105	if $make_core;
		3106	}
		3107
2301	sub reload() {	3108	sub do_reload_perl() {
2302	# can/must only be called in main	3109	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3110	if ($Coro::current != $Coro::main) {
2304	warn "can only reload from main coroutine";	3111	warn "can only reload from main coroutine";
2305	return;	3112	return;
2306	}	3113	}
2307		3114
2308	warn "reloading...";	3115	warn "reloading...";
2309		3116
2310	warn "cancelling server ticker";	3117	warn "entering sync_job";
2311	$TICK_WATCHER->cancel;
2312		3118
		3119	cf::sync_job {
		3120	cf::write_runtime; # external watchdog should not bark
2313	cf::emergency_save;	3121	cf::emergency_save;
		3122	cf::write_runtime; # external watchdog should not bark
2314		3123
2315	eval {	3124	warn "syncing database to disk";
		3125	BDB::db_env_txn_checkpoint $DB_ENV;
		3126
2316	# if anything goes wrong in here, we should simply crash as we already saved	3127	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320		3128
2321	warn "cancelling all WF_AUTOCANCEL watchers";	3129	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {	3130	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;	3131	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}	3132	}
2325		3133
2326	warn "flushing outstanding aio requests";	3134	warn "flushing outstanding aio requests";
2327	for (;;) {	3135	for (;;) {
		3136	BDB::flush;
2328	IO::AIO::flush;	3137	IO::AIO::flush;
2329	Coro::cede;	3138	Coro::cede;
2330	last unless IO::AIO::nreqs;	3139	last unless IO::AIO::nreqs || BDB::nreqs;
2331	warn "iterate...";	3140	warn "iterate...";
2332	}	3141	}
		3142
		3143	++$RELOAD;
2333		3144
2334	warn "cancelling all extension coros";	3145	warn "cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3147	%EXT_CORO = ();
2337		3148
2338	warn "removing commands";	3149	warn "removing commands";
2339	%COMMAND = ();	3150	%COMMAND = ();
2340		3151
2341	warn "removing ext commands";	3152	warn "removing ext/exti commands";
2342	%EXTCMD = ();	3153	%EXTCMD = ();
		3154	%EXTICMD = ();
2343		3155
2344	warn "unloading/nuking all extensions";	3156	warn "unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3157	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3158	warn "... unloading $pkg";
2347		3159
…		…
2377	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3191
2380	warn "unloading cf.pm \"a bit\"";	3192	warn "unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
2382		3195
2383	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
2384	# and global variables created in xs	3197	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
2386		3199
…		…
2390	require cf;	3203	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392		3205
2393	warn "loading config and database again";	3206	warn "loading config and database again";
2394	cf::cfg_load;	3207	cf::cfg_load;
2395	cf::db_load;
2396		3208
2397	warn "loading extensions";	3209	warn "loading extensions";
2398	cf::load_extensions;	3210	cf::load_extensions;
2399		3211
2400	warn "reattaching attachments to objects/players";	3212	warn "reattaching attachments to objects/players";
2401	_global_reattach;	3213	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	3214	warn "reattaching attachments to maps";
2403	reattach $_ for values %MAP;	3215	reattach $_ for values %MAP;
		3216	warn "reattaching attachments to players";
		3217	reattach $_ for values %PLAYER;
2404		3218
2405	warn "restarting server ticker";	3219	warn "leaving sync_job";
2406		3220
2407	$TICK_WATCHER->start;	3221	1
2408	};	3222	} or do {
2409
2410	if ($@) {
2411	warn $@;	3223	warn $@;
2412	warn "error while reloading, exiting.";	3224	warn "error while reloading, exiting.";
2413	exit 1;	3225	exit 1;
2414	}	3226	};
2415		3227
2416	warn "reloaded";	3228	warn "reloaded";
2417	};	3229	};
2418		3230
2419	our $RELOAD_WATCHER; # used only during reload	3231	our $RELOAD_WATCHER; # used only during reload
2420		3232
		3233	sub reload_perl() {
		3234	# doing reload synchronously and two reloads happen back-to-back,
		3235	# coro crashes during coro_state_free->destroy here.
		3236
		3237	$RELOAD_WATCHER ||= Event->timer (
		3238	reentrant => 0,
		3239	after => 0,
		3240	data => WF_AUTOCANCEL,
		3241	cb => sub {
		3242	do_reload_perl;
		3243	undef $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
2421	register_command "reload" => sub {	3248	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
2423		3250
2424	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	3252	$who->message ("reloading server.");
2426		3253	async { reload_perl };
2427	# doing reload synchronously and two reloads happen back-to-back,
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;
2432	undef $RELOAD_WATCHER;
2433	});
2434	}	3254	}
2435	};	3255	};
2436		3256
2437	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
2438		3258
2439	my $bug_warning = 0;	3259	my $bug_warning = 0;
2440		3260
		3261	our @WAIT_FOR_TICK;
		3262	our @WAIT_FOR_TICK_BEGIN;
		3263
		3264	sub wait_for_tick {
		3265	return unless $TICK_WATCHER->is_active;
		3266	return if $Coro::current == $Coro::main;
		3267
		3268	my $signal = new Coro::Signal;
		3269	push @WAIT_FOR_TICK, $signal;
		3270	$signal->wait;
		3271	}
		3272
		3273	sub wait_for_tick_begin {
		3274	return unless $TICK_WATCHER->is_active;
		3275	return if $Coro::current == $Coro::main;
		3276
		3277	my $signal = new Coro::Signal;
		3278	push @WAIT_FOR_TICK_BEGIN, $signal;
		3279	$signal->wait;
		3280	}
		3281
		3282	my $min = 1e6;#d#
		3283	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3285	reentrant => 0,
2443	parked => 1,	3286	parked => 1,
2444	prio => 0,	3287	prio => 0,
2445	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
…		…
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	3293	unless ++$bug_warning > 10;
2451	return;	3294	return;
2452	}	3295	}
2453		3296
2454	$NOW = Event::time;	3297	$NOW = $tick_start = Event::time;
2455		3298
2456	cf::server_tick; # one server iteration	3299	cf::server_tick; # one server iteration
		3300
		3301	0 && sync_job {#d#
		3302	for(1..10) {
		3303	my $t = Event::time;
		3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3305	or die;
		3306
		3307	$map->width (50);
		3308	$map->height (50);
		3309	$map->alloc;
		3310	$map->_load_objects ("/tmp/x.map", 1);
		3311	my $t = Event::time - $t;
		3312
		3313	#next unless $t < 0.0013;#d#
		3314	if ($t < $min) {
		3315	$min = $t;
		3316	}
		3317	$avg = $avg * 0.99 + $t * 0.01;
		3318	}
		3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3320	exit 0;
		3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3322	};
		3323
2457	$RUNTIME += $TICK;	3324	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
2459		3326
2460	$WAIT_FOR_TICK->broadcast;	3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3329	Coro::async_pool {
		3330	write_runtime
		3331	or warn "ERROR: unable to write runtime file: $!";
		3332	};
		3333	}
		3334
		3335	# my $AFTER = Event::time;
		3336	# warn $AFTER - $NOW;#d#
		3337
		3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3339	$sig->send;
		3340	}
		3341	while (my $sig = shift @WAIT_FOR_TICK) {
		3342	$sig->send;
		3343	}
		3344
		3345	$NOW = Event::time;
2462		3346
2463	# if we are delayed by four ticks or more, skip them all	3347	# if we are delayed by four ticks or more, skip them all
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2465		3349
2466	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
2467	$TICK_WATCHER->start;	3351	$TICK_WATCHER->start;
		3352
		3353	$LOAD = ($NOW - $tick_start) / $TICK;
		3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3355
		3356	_post_tick;
		3357
		3358
2468	},	3359	},
2469	);	3360	);
2470		3361
		3362	{
		3363	BDB::max_poll_time $TICK * 0.1;
		3364	$BDB_POLL_WATCHER = Event->io (
		3365	reentrant => 0,
		3366	fd => BDB::poll_fileno,
		3367	poll => 'r',
		3368	prio => 0,
		3369	data => WF_AUTOCANCEL,
		3370	cb => \&BDB::poll_cb,
		3371	);
		3372	BDB::min_parallel 8;
		3373
		3374	BDB::set_sync_prepare {
		3375	my $status;
		3376	my $current = $Coro::current;
		3377	(
		3378	sub {
		3379	$status = $!;
		3380	$current->ready; undef $current;
		3381	},
		3382	sub {
		3383	Coro::schedule while defined $current;
		3384	$! = $status;
		3385	},
		3386	)
		3387	};
		3388
		3389	unless ($DB_ENV) {
		3390	$DB_ENV = BDB::db_env_create;
		3391
		3392	cf::sync_job {
		3393	eval {
		3394	BDB::db_env_open
		3395	$DB_ENV,
		3396	$BDBDIR,
		3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3399	0666;
		3400
		3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3402
		3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3404	$DB_ENV->set_lk_detect;
		3405	};
		3406
		3407	cf::cleanup "db_env_open(db): $@" if $@;
		3408	};
		3409	}
		3410	}
		3411
		3412	{
		3413	IO::AIO::min_parallel 8;
		3414
		3415	undef $Coro::AIO::WATCHER;
2471	IO::AIO::max_poll_time $TICK * 0.2;	3416	IO::AIO::max_poll_time $TICK * 0.1;
2472
2473	$AIO_POLL_WATCHER = Event->io (	3417	$AIO_POLL_WATCHER = Event->io (
2474	fd => IO::AIO::poll_fileno,	3418	reentrant => 0,
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480
2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2482	data => WF_AUTOCANCEL,	3419	data => WF_AUTOCANCEL,
2483	after => 1,	3420	fd => IO::AIO::poll_fileno,
2484	interval => 10,	3421	poll => 'r',
2485	prio => 6, # keep it lowest so it acts like a watchdog	3422	prio => 6,
2486	cb => Coro::unblock_sub {	3423	cb => \&IO::AIO::poll_cb,
2487	write_runtime	3424	);
2488	or warn "ERROR: unable to write runtime file: $!";	3425	}
		3426
		3427	my $_log_backtrace;
		3428
		3429	sub _log_backtrace {
		3430	my ($msg, @addr) = @_;
		3431
		3432	$msg =~ s/\n//;
		3433
		3434	# limit the # of concurrent backtraces
		3435	if ($_log_backtrace < 2) {
		3436	++$_log_backtrace;
		3437	async {
		3438	my @bt = fork_call {
		3439	@addr = map { sprintf "%x", $_ } @addr;
		3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3442	or die "addr2line: $!";
		3443
		3444	my @funcs;
		3445	my @res = <$fh>;
		3446	chomp for @res;
		3447	while (@res) {
		3448	my ($func, $line) = splice @res, 0, 2, ();
		3449	push @funcs, "[$func] $line";
		3450	}
		3451
		3452	@funcs
		3453	};
		3454
		3455	LOG llevInfo, "[ABT] $msg\n";
		3456	LOG llevInfo, "[ABT] $_\n" for @bt;
		3457	--$_log_backtrace;
		3458	};
		3459	} else {
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] [suppressed]\n";
2489	},	3462	}
2490	);	3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
2491		3467
2492	END { cf::emergency_save }	3468	END { cf::emergency_save }
2493		3469
2494	1	3470	1
2495		3471

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