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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

…		…
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 Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		45
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		47
49	our %COMMAND = ();	48	our %COMMAND = ();
50	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
51		50
52	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
56		56
57	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
58	our @EVENT;	58	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	69	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
71		72
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	74	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	77	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		79
80	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	84	our $DB_ENV;
82		85
83	our %CFG;	86	our %CFG;
84		87
85	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
87		91
88	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
…		…
155		159
156	The raw value load value from the last tick.	160	The raw value load value from the last tick.
157		161
158	=item %cf::CFG	162	=item %cf::CFG
159		163
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	165	from wherever your confdir points to.
162		166
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		168
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		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.
		178
169	=back	179	=back
170		180
171	=cut	181	=cut
172		182
173	BEGIN {	183	BEGIN {
…		…
177	$msg .= "\n"	187	$msg .= "\n"
178	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
179		189
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		191
182	utf8::encode $msg;
183	LOG llevError, $msg;	192	LOG llevError, $msg;
184	};	193	};
185	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	return unless $^S eq 0; # "eq", not "=="
		198
		199	if ($Coro::current == $Coro::main) {#d#
		200	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		201	return;#d#
		202	}#d#
		203
		204	# kill coroutine otherwise
		205	warn Carp::longmess $_[0];
		206	Coro::terminate
		207	};
		208
		209	$SIG{__DIE__} = sub { }; #d#?
186		210
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
203	)) {	227	)) {
204	no strict 'refs';	228	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	230	}
207		231
208	$Event::DIED = sub {	232	$EV::DIED = sub {
209	warn "error in event callback: @_";	233	warn "error in event callback: @_";
210	};	234	};
		235
		236	#############################################################################
211		237
212	=head2 UTILITY FUNCTIONS	238	=head2 UTILITY FUNCTIONS
213		239
214	=over 4	240	=over 4
215		241
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	260	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	261	$d
236	} || "[unable to dump $_[0]: '$@']";	262	} || "[unable to dump $_[0]: '$@']";
237	}	263	}
238		264
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	265	=item $ref = cf::decode_json $json
242		266
243	Converts a JSON string into the corresponding perl data structure.	267	Converts a JSON string into the corresponding perl data structure.
244		268
245	=item $json = cf::to_json $ref	269	=item $json = cf::encode_json $ref
246		270
247	Converts a perl data structure into its JSON representation.	271	Converts a perl data structure into its JSON representation.
		272
		273	=cut
		274
		275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		276
		277	sub encode_json($) { $json_coder->encode ($_[0]) }
		278	sub decode_json($) { $json_coder->decode ($_[0]) }
248		279
249	=item cf::lock_wait $string	280	=item cf::lock_wait $string
250		281
251	Wait until the given lock is available. See cf::lock_acquire.	282	Wait until the given lock is available. See cf::lock_acquire.
252		283
…		…
255	Wait until the given lock is available and then acquires it and returns	286	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	288	for example when the coroutine gets canceled), the lock is automatically
258	returned.	289	returned.
259		290
		291	Locks are *not* recursive, locking from the same coro twice results in a
		292	deadlocked coro.
		293
260	Lock names should begin with a unique identifier (for example, cf::map::find	294	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	295	uses map_find and cf::map::load uses map_load).
262		296
263	=item $locked = cf::lock_active $string	297	=item $locked = cf::lock_active $string
264		298
265	Return true if the lock is currently active, i.e. somebody has locked it.	299	Return true if the lock is currently active, i.e. somebody has locked it.
266		300
267	=cut	301	=cut
268		302
269	our %LOCK;	303	our %LOCK;
		304	our %LOCKER;#d#
270		305
271	sub lock_wait($) {	306	sub lock_wait($) {
272	my ($key) = @_;	307	my ($key) = @_;
		308
		309	if ($LOCKER{$key} == $Coro::current) {#d#
		310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		311	return;#d#
		312	}#d#
273		313
274	# wait for lock, if any	314	# wait for lock, if any
275	while ($LOCK{$key}) {	315	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	316	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	317	Coro::schedule;
…		…
283		323
284	# wait, to be sure we are not locked	324	# wait, to be sure we are not locked
285	lock_wait $key;	325	lock_wait $key;
286		326
287	$LOCK{$key} = [];	327	$LOCK{$key} = [];
		328	$LOCKER{$key} = $Coro::current;#d#
288		329
289	Coro::guard {	330	Coro::guard {
		331	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	332	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	333	$_->ready for @{ delete $LOCK{$key} };
292	}	334	}
293	}	335	}
294		336
…		…
306	};	348	};
307	$TICK_WATCHER->stop;	349	$TICK_WATCHER->stop;
308	$guard	350	$guard
309	}	351	}
310		352
		353	=item cf::periodic $interval, $cb
		354
		355	Like EV::periodic, but randomly selects a starting point so that the actions
		356	get spread over timer.
		357
		358	=cut
		359
		360	sub periodic($$) {
		361	my ($interval, $cb) = @_;
		362
		363	my $start = rand List::Util::min 180, $interval;
		364
		365	EV::periodic $start, $interval, 0, $cb
		366	}
		367
		368	=item cf::get_slot $time[, $priority[, $name]]
		369
		370	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		371	This call blocks and returns only when you have at least C<$time> seconds
		372	of cpu time till the next tick. The slot is only valid till the next cede.
		373
		374	The optional C<$name> can be used to identify the job to run. It might be
		375	used for statistical purposes and should identify the same time-class.
		376
		377	Useful for short background jobs.
		378
		379	=cut
		380
		381	our @SLOT_QUEUE;
		382	our $SLOT_QUEUE;
		383
		384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		385	$SLOT_QUEUE = Coro::async {
		386	$Coro::current->desc ("timeslot manager");
		387
		388	my $signal = new Coro::Signal;
		389
		390	while () {
		391	next_job:
		392	my $avail = cf::till_tick;
		393	if ($avail > 0.01) {
		394	for (0 .. $#SLOT_QUEUE) {
		395	if ($SLOT_QUEUE[$_][0] < $avail) {
		396	my $job = splice @SLOT_QUEUE, $_, 1, ();
		397	$job->[2]->send;
		398	Coro::cede;
		399	goto next_job;
		400	}
		401	}
		402	}
		403
		404	if (@SLOT_QUEUE) {
		405	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		406	push @cf::WAIT_FOR_TICK, $signal;
		407	$signal->wait;
		408	} else {
		409	Coro::schedule;
		410	}
		411	}
		412	};
		413
		414	sub get_slot($;$$) {
		415	my ($time, $pri, $name) = @_;
		416
		417	$time = $TICK * .6 if $time > $TICK * .6;
		418	my $sig = new Coro::Signal;
		419
		420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		422	$SLOT_QUEUE->ready;
		423	$sig->wait;
		424	}
		425
311	=item cf::async { BLOCK }	426	=item cf::async { BLOCK }
312		427
313	Currently the same as Coro::async_pool, meaning you cannot use	428	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	429	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	430	thing you are allowed to do is call C<prio> on it.
…		…
318		433
319	BEGIN { *async = \&Coro::async_pool }	434	BEGIN { *async = \&Coro::async_pool }
320		435
321	=item cf::sync_job { BLOCK }	436	=item cf::sync_job { BLOCK }
322		437
323	The design of crossfire+ requires that the main coro ($Coro::main) is	438	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	439	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	440	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		441	acceptable.
326		442
327	If it must be done, put the blocking parts into C<sync_job>. This will run	443	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	444	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	445	server will be frozen during this time, so the block should either finish
330	fast or be very important.	446	fast or be very important.
…		…
333		449
334	sub sync_job(&) {	450	sub sync_job(&) {
335	my ($job) = @_;	451	my ($job) = @_;
336		452
337	if ($Coro::current == $Coro::main) {	453	if ($Coro::current == $Coro::main) {
338	my $time = Event::time;	454	my $time = EV::time;
339		455
340	# this is the main coro, too bad, we have to block	456	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	457	# till the operation succeeds, freezing the server :/
342		458
		459	LOG llevError, Carp::longmess "sync job";#d#
		460
343	# TODO: use suspend/resume instead	461	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	462	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	463	my $freeze_guard = freeze_mainloop;
346		464
347	my $busy = 1;	465	my $busy = 1;
348	my @res;	466	my @res;
349		467
350	(async {	468	(async {
		469	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	470	@res = eval { $job->() };
352	warn $@ if $@;	471	warn $@ if $@;
353	undef $busy;	472	undef $busy;
354	})->prio (Coro::PRIO_MAX);	473	})->prio (Coro::PRIO_MAX);
355		474
356	while ($busy) {	475	while ($busy) {
357	Coro::cede or Event::one_event;	476	if (Coro::nready) {
		477	Coro::cede_notself;
		478	} else {
		479	EV::loop EV::LOOP_ONESHOT;
358	}	480	}
		481	}
359		482
360	$time = Event::time - $time;	483	$time = EV::time - $time;
361		484
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364		487
365	$tick_start += $time; # do not account sync jobs to server load	488	$tick_start += $time; # do not account sync jobs to server load
…		…
390	$EXT_CORO{$coro+0} = $coro;	513	$EXT_CORO{$coro+0} = $coro;
391		514
392	$coro	515	$coro
393	}	516	}
394		517
395	sub write_runtime {	518	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		519
398	# first touch the runtime file to show we are still running:	520	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	521	process, returning the results. Everything must be serialisable with
		522	Coro::Storable. May, of course, block. Note that the executed sub may
		523	never block itself or use any form of event handling.
400		524
401	IO::AIO::aio_utime $runtime, undef, undef;	525	=cut
402		526
403	my $guard = cf::lock_acquire "write_runtime";	527	sub fork_call(&@) {
		528	my ($cb, @args) = @_;
404		529
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	530	# we seemingly have to make a local copy of the whole thing,
406	or return;	531	# otherwise perl prematurely frees the stuff :/
		532	# TODO: investigate and fix (likely this will be rather laborious)
407		533
408	my $value = $cf::RUNTIME + 90 + 10;	534	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	535	reset_signals;
410	# 60 allows for the watchdog to kill the server.	536	&$cb
		537	}, @args;
411		538
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	wantarray ? @res : $res[-1]
413	and return;	540	}
414		541
415	# always fsync - this file is important	542	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		543
419	# touch it again to show we are up-to-date	544	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		545
422	close $fh	546	=item cf::db_put $family => $key => $value
423	or return;
424		547
425	aio_rename "$runtime~", $runtime	548	Stores the given C<$value> in the family. It can currently store binary
426	and return;	549	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		550
428	warn "runtime file written.\n";	551	=item $db = cf::db_table "name"
429		552
		553	Create and/or open a new database table. The string must not be "db" and must be unique
		554	within each server.
		555
		556	=cut
		557
		558	sub db_table($) {
		559	my ($name) = @_;
		560	my $db = BDB::db_create $DB_ENV;
		561
		562	eval {
		563	$db->set_flags (BDB::CHKSUM);
		564
		565	utf8::encode $name;
		566	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		567	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		568	cf::cleanup "db_open(db): $!" if $!;
		569	};
		570	cf::cleanup "db_open(db): $@" if $@;
		571
		572	$db
		573	}
		574
		575	our $DB;
		576
		577	sub db_init {
		578	cf::sync_job {
		579	$DB ||= db_table "db";
		580	};
		581	}
		582
		583	sub db_get($$) {
		584	my $key = "$_[0]/$_[1]";
		585
		586	cf::sync_job {
		587	BDB::db_get $DB, undef, $key, my $data;
		588
		589	$! ? ()
		590	: $data
430	1	591	}
		592	}
		593
		594	sub db_put($$$) {
		595	BDB::dbreq_pri 4;
		596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		597	}
		598
		599	=item cf::cache $id => [$paths...], $processversion => $process
		600
		601	Generic caching function that returns the value of the resource $id,
		602	caching and regenerating as required.
		603
		604	This function can block.
		605
		606	=cut
		607
		608	sub cache {
		609	my ($id, $src, $processversion, $process) = @_;
		610
		611	my $meta =
		612	join "\x00",
		613	$processversion,
		614	map {
		615	aio_stat $_
		616	and Carp::croak "$_: $!";
		617
		618	($_, (stat _)[7,9])
		619	} @$src;
		620
		621	my $dbmeta = db_get cache => "$id/meta";
		622	if ($dbmeta ne $meta) {
		623	# changed, we may need to process
		624
		625	my @data;
		626	my $md5;
		627
		628	for (0 .. $#$src) {
		629	0 <= aio_load $src->[$_], $data[$_]
		630	or Carp::croak "$src->[$_]: $!";
		631	}
		632
		633	# if processing is expensive, check
		634	# checksum first
		635	if (1) {
		636	$md5 =
		637	join "\x00",
		638	$processversion,
		639	map {
		640	cf::cede_to_tick;
		641	($src->[$_], Digest::MD5::md5_hex $data[$_])
		642	} 0.. $#$src;
		643
		644
		645	my $dbmd5 = db_get cache => "$id/md5";
		646	if ($dbmd5 eq $md5) {
		647	db_put cache => "$id/meta", $meta;
		648
		649	return db_get cache => "$id/data";
		650	}
		651	}
		652
		653	my $t1 = Time::HiRes::time;
		654	my $data = $process->(\@data);
		655	my $t2 = Time::HiRes::time;
		656
		657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		658
		659	db_put cache => "$id/data", $data;
		660	db_put cache => "$id/md5" , $md5;
		661	db_put cache => "$id/meta", $meta;
		662
		663	return $data;
		664	}
		665
		666	db_get cache => "$id/data"
431	}	667	}
432		668
433	=item cf::datalog type => key => value, ...	669	=item cf::datalog type => key => value, ...
434		670
435	Log a datalog packet of the given type with the given key-value pairs.	671	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	689	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	690	to it. All such attachable objects support the following methods.
455		691
456	In the following description, CLASS can be any of C<global>, C<object>	692	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	693	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	694	Deliantra).
459		695
460	=over 4	696	=over 4
461		697
462	=item $attachable->attach ($attachment, key => $value...)	698	=item $attachable->attach ($attachment, key => $value...)
463		699
…		…
665	_attach $registry, $klass, @attach;	901	_attach $registry, $klass, @attach;
666	}	902	}
667		903
668	$obj->{$name} = \%arg;	904	$obj->{$name} = \%arg;
669	} else {	905	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	906	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	907	}
672		908
673	$obj->{_attachment}{$name} = undef;	909	$obj->{_attachment}{$name} = undef;
674	}	910	}
675		911
…		…
715	";	951	";
716	die if $@;	952	die if $@;
717	}	953	}
718		954
719	our $override;	955	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	956	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		957
722	sub override {	958	sub override {
723	$override = 1;	959	$override = 1;
724	@invoke_results = ();	960	@INVOKE_RESULTS = (@_);
725	}	961	}
726		962
727	sub do_invoke {	963	sub do_invoke {
728	my $event = shift;	964	my $event = shift;
729	my $callbacks = shift;	965	my $callbacks = shift;
730		966
731	@invoke_results = ();	967	@INVOKE_RESULTS = ();
732		968
733	local $override;	969	local $override;
734		970
735	for (@$callbacks) {	971	for (@$callbacks) {
736	eval { &{$_->[1]} };	972	eval { &{$_->[1]} };
…		…
745	}	981	}
746		982
747	0	983	0
748	}	984	}
749		985
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	986	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		987
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	988	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		989
754	Generate an object-specific event with the given arguments.	990	Generate an object-specific event with the given arguments.
755		991
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	992	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	993	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	994	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		995
760	=back	996	=back
761		997
762	=cut	998	=cut
763		999
764	#############################################################################	1000	#############################################################################
765	# object support	1001	# object support
		1002
		1003	sub _object_equal($$);
		1004	sub _object_equal($$) {
		1005	my ($a, $b) = @_;
		1006
		1007	return 0 unless (ref $a) eq (ref $b);
		1008
		1009	if ("HASH" eq ref $a) {
		1010	my @ka = keys %$a;
		1011	my @kb = keys %$b;
		1012
		1013	return 0 if @ka != @kb;
		1014
		1015	for (0 .. $#ka) {
		1016	return 0 unless $ka[$_] eq $kb[$_];
		1017	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1018	}
		1019
		1020	} elsif ("ARRAY" eq ref $a) {
		1021
		1022	return 0 if @$a != @$b;
		1023
		1024	for (0 .. $#$a) {
		1025	return 0 unless _object_equal $a->[$_], $b->[$_];
		1026	}
		1027
		1028	} elsif ($a ne $b) {
		1029	return 0;
		1030	}
		1031
		1032	1
		1033	}
		1034
		1035	our $SLOW_MERGES;#d#
		1036	sub _can_merge {
		1037	my ($ob1, $ob2) = @_;
		1038
		1039	++$SLOW_MERGES;#d#
		1040
		1041	# we do the slow way here
		1042	return _object_equal $ob1, $ob2
		1043	}
766		1044
767	sub reattach {	1045	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1046	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1047	my ($obj) = @_;
770		1048
…		…
791	cf::attachable->attach (	1069	cf::attachable->attach (
792	prio => -1000000,	1070	prio => -1000000,
793	on_instantiate => sub {	1071	on_instantiate => sub {
794	my ($obj, $data) = @_;	1072	my ($obj, $data) = @_;
795		1073
796	$data = from_json $data;	1074	$data = decode_json $data;
797		1075
798	for (@$data) {	1076	for (@$data) {
799	my ($name, $args) = @$_;	1077	my ($name, $args) = @$_;
800		1078
801	$obj->attach ($name, %{$args || {} });	1079	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1095	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1096	my ($filename, $rdata, $objs) = @_;
819		1097
820	sync_job {	1098	sync_job {
821	if (length $$rdata) {	1099	if (length $$rdata) {
		1100	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1101	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1102	$decname, length $$rdata, scalar @$objs;
824		1103
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1107	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1108	close $fh;
830		1109
831	if (@$objs) {	1110	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1112	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1114	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1115	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1116	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1117	aio_rename "$filename.pst~", "$filename.pst";
839	}	1118	}
…		…
847	}	1126	}
848	} else {	1127	} else {
849	aio_unlink $filename;	1128	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1129	aio_unlink "$filename.pst";
851	}	1130	}
852	}	1131	};
853	}	1132	}
854		1133
855	sub object_freezer_as_string {	1134	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1135	my ($rdata, $objs) = @_;
857		1136
…		…
869	or return;	1148	or return;
870		1149
871	unless (aio_stat "$filename.pst") {	1150	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1151	(aio_load "$filename.pst", $av) >= 0
873	or return;	1152	or return;
		1153
874	$av = eval { (Storable::thaw $av)->{objs} };	1154	my $st = eval { Coro::Storable::thaw $av };
		1155	$av = $st->{objs};
875	}	1156	}
876		1157
		1158	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1159	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1160	$decname, length $data, scalar @{$av || []};
		1161
879	return ($data, $av);	1162	($data, $av)
880	}	1163	}
		1164
		1165	=head2 COMMAND CALLBACKS
		1166
		1167	=over 4
		1168
		1169	=cut
881		1170
882	#############################################################################	1171	#############################################################################
883	# command handling &c	1172	# command handling &c
884		1173
885	=item cf::register_command $name => \&callback($ob,$args);	1174	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1187	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1188	}
900		1189
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1190	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1191
903	Register a callbackf ro execution when the client sends an extcmd packet.	1192	Register a callback for execution when the client sends an (synchronous)
		1193	extcmd packet. Ext commands will be processed in the order they are
		1194	received by the server, like other user commands. The first argument is
		1195	the logged-in player. Ext commands can only be processed after a player
		1196	has logged in successfully.
904		1197
905	If the callback returns something, it is sent back as if reply was being	1198	If the callback returns something, it is sent back as if reply was being
906	called.	1199	called.
907		1200
		1201	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1202
		1203	Register a callback for execution when the client sends an (asynchronous)
		1204	exticmd packet. Exti commands are processed by the server as soon as they
		1205	are received, i.e. out of order w.r.t. other commands. The first argument
		1206	is a client socket. Exti commands can be received anytime, even before
		1207	log-in.
		1208
		1209	If the callback returns something, it is sent back as if reply was being
		1210	called.
		1211
908	=cut	1212	=cut
909		1213
910	sub register_extcmd {	1214	sub register_extcmd {
911	my ($name, $cb) = @_;	1215	my ($name, $cb) = @_;
912		1216
913	$EXTCMD{$name} = $cb;	1217	$EXTCMD{$name} = $cb;
		1218	}
		1219
		1220	sub register_exticmd {
		1221	my ($name, $cb) = @_;
		1222
		1223	$EXTICMD{$name} = $cb;
914	}	1224	}
915		1225
916	cf::player->attach (	1226	cf::player->attach (
917	on_command => sub {	1227	on_command => sub {
918	my ($pl, $name, $params) = @_;	1228	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1237	cf::override;
928	},	1238	},
929	on_extcmd => sub {	1239	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1240	my ($pl, $buf) = @_;
931		1241
932	my $msg = eval { from_json $buf };	1242	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1243
934	if (ref $msg) {	1244	if (ref $msg) {
		1245	my ($type, $reply, @payload) =
		1246	"ARRAY" eq ref $msg
		1247	? @$msg
		1248	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1249
		1250	my @reply;
		1251
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1252	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1253	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1254	}
		1255
		1256	$pl->ext_reply ($reply, @reply)
		1257	if $reply;
		1258
940	} else {	1259	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1261	}
943		1262
944	cf::override;	1263	cf::override;
945	},	1264	},
946	);	1265	);
947		1266
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1267	sub load_extensions {
		1268	cf::sync_job {
		1269	my %todo;
		1270
983	for my $ext (<$LIBDIR/*.ext>) {	1271	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1272	next unless -r $path;
985	eval {	1273
986	load_extension $ext;	1274	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1275	my $base = $1;
		1276	my $pkg = $1;
		1277	$pkg =~ s/[^[:word:]]/_/g;
		1278	$pkg = "ext::$pkg";
		1279
		1280	open my $fh, "<:utf8", $path
		1281	or die "$path: $!";
		1282
		1283	my $source = do { local $/; <$fh> };
		1284
		1285	my %ext = (
		1286	path => $path,
		1287	base => $base,
		1288	pkg => $pkg,
		1289	);
		1290
		1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1293
		1294	$ext{source} =
		1295	"package $pkg; use strict; use utf8;\n"
		1296	. "#line 1 \"$path\"\n{\n"
		1297	. $source
		1298	. "\n};\n1";
		1299
		1300	$todo{$base} = \%ext;
		1301	}
		1302
		1303	my %done;
		1304	while (%todo) {
		1305	my $progress;
		1306
		1307	while (my ($k, $v) = each %todo) {
		1308	for (split /,\s*/, $v->{meta}{depends}) {
		1309	goto skip
		1310	unless exists $done{$_};
		1311	}
		1312
		1313	warn "... loading '$k' into '$v->{pkg}'\n";
		1314
		1315	unless (eval $v->{source}) {
		1316	my $msg = $@ ? "$v->{path}: $@\n"
		1317	: "$v->{base}: extension inactive.\n";
		1318
		1319	if (exists $v->{meta}{mandatory}) {
		1320	warn $msg;
		1321	warn "mandatory extension failed to load, exiting.\n";
		1322	exit 1;
		1323	}
		1324
		1325	warn $msg;
		1326	}
		1327
		1328	$done{$k} = delete $todo{$k};
		1329	push @EXTS, $v->{pkg};
		1330	$progress = 1;
987	1	1331	}
988	} or warn "$ext not loaded: $@";	1332
		1333	skip:
		1334	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1335	unless $progress;
		1336	}
989	}	1337	};
990	}	1338	}
991		1339
992	#############################################################################	1340	#############################################################################
993		1341
		1342	=back
		1343
994	=head2 CORE EXTENSIONS	1344	=head2 CORE EXTENSIONS
995		1345
996	Functions and methods that extend core crossfire objects.	1346	Functions and methods that extend core crossfire objects.
997		1347
998	=cut	1348	=cut
…		…
1002	use Coro::AIO;	1352	use Coro::AIO;
1003		1353
1004	=head3 cf::player	1354	=head3 cf::player
1005		1355
1006	=over 4	1356	=over 4
		1357
		1358	=item cf::player::num_playing
		1359
		1360	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1361
		1362	=cut
		1363
		1364	sub num_playing {
		1365	scalar grep
		1366	$_->ob->map
		1367	&& !$_->hidden
		1368	&& !$_->ob->flag (cf::FLAG_WIZ),
		1369	cf::player::list
		1370	}
1007		1371
1008	=item cf::player::find $login	1372	=item cf::player::find $login
1009		1373
1010	Returns the given player object, loading it if necessary (might block).	1374	Returns the given player object, loading it if necessary (might block).
1011		1375
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1411	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1412	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1413	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1414	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1415
1052	my $pl = load_pl path $login	1416	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1417	or return;
		1418
		1419	my $pl = cf::player::load_pl $f
		1420	or return;
		1421	local $cf::PLAYER_LOADING{$login} = $pl;
		1422	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1423	$cf::PLAYER{$login} = $pl
1055	}	1424	}
1056	}	1425	}
1057	}	1426	}
1058		1427
…		…
1068		1437
1069	aio_mkdir playerdir $pl, 0770;	1438	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1439	$pl->{last_save} = $cf::RUNTIME;
1071		1440
1072	$pl->save_pl ($path);	1441	$pl->save_pl ($path);
1073	Coro::cede;	1442	cf::cede_to_tick;
1074	}	1443	}
1075		1444
1076	sub new($) {	1445	sub new($) {
1077	my ($login) = @_;	1446	my ($login) = @_;
1078		1447
…		…
1082	$self->{deny_save} = 1;	1451	$self->{deny_save} = 1;
1083		1452
1084	$cf::PLAYER{$login} = $self;	1453	$cf::PLAYER{$login} = $self;
1085		1454
1086	$self	1455	$self
		1456	}
		1457
		1458	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1459
		1460	=cut
		1461
		1462	sub send_msg {
		1463	my $ns = shift->ns
		1464	or return;
		1465	$ns->send_msg (@_);
1087	}	1466	}
1088		1467
1089	=item $pl->quit_character	1468	=item $pl->quit_character
1090		1469
1091	Nukes the player without looking back. If logged in, the connection will	1470	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1525	or return [];
1147		1526
1148	my @logins;	1527	my @logins;
1149		1528
1150	for my $login (@$dirs) {	1529	for my $login (@$dirs) {
		1530	my $path = path $login;
		1531
		1532	# a .pst is a dead give-away for a valid player
		1533	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1535	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1536	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1537	}
1154		1538
1155	utf8::decode $login;	1539	utf8::decode $login;
1156	push @logins, $login;	1540	push @logins, $login;
1157	}	1541	}
1158		1542
…		…
1185	}	1569	}
1186		1570
1187	\@paths	1571	\@paths
1188	}	1572	}
1189		1573
		1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1575
		1576	Expand crossfire pod fragments into protocol xml.
		1577
		1578	=cut
		1579
		1580	use re 'eval';
		1581
		1582	my $group;
		1583	my $interior; $interior = qr{
		1584	# match a pod interior sequence sans C<< >>
		1585	(?:
		1586	\ (.*?)\ (?{ $group = $^N })
		1587	| < (??{$interior}) >
		1588	)
		1589	}x;
		1590
		1591	sub expand_cfpod {
		1592	my ($self, $pod) = @_;
		1593
		1594	my $xml;
		1595
		1596	while () {
		1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1598	$group = $1;
		1599
		1600	$group =~ s/&/&amp;/g;
		1601	$group =~ s/</&lt;/g;
		1602
		1603	$xml .= $group;
		1604	} elsif ($pod =~ m%\G
		1605	([BCGHITU])
		1606	<
		1607	(?:
		1608	([^<>]*) (?{ $group = $^N })
		1609	| < $interior >
		1610	)
		1611	>
		1612	%gcsx
		1613	) {
		1614	my ($code, $data) = ($1, $group);
		1615
		1616	if ($code eq "B") {
		1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1618	} elsif ($code eq "I") {
		1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1620	} elsif ($code eq "U") {
		1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1622	} elsif ($code eq "C") {
		1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1624	} elsif ($code eq "T") {
		1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1626	} elsif ($code eq "G") {
		1627	my ($male, $female) = split /\|/, $data;
		1628	$data = $self->gender ? $female : $male;
		1629	$xml .= expand_cfpod ($self, $data);
		1630	} elsif ($code eq "H") {
		1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1633	"")
		1634	[$self->{hintmode}];
		1635	} else {
		1636	$xml .= "error processing '$code($data)' directive";
		1637	}
		1638	} else {
		1639	if ($pod =~ /\G(.+)/) {
		1640	warn "parse error while expanding $pod (at $1)";
		1641	}
		1642	last;
		1643	}
		1644	}
		1645
		1646	for ($xml) {
		1647	# create single paragraphs (very hackish)
		1648	s/(?<=\S)\n(?=\w)/ /g;
		1649
		1650	# compress some whitespace
		1651	s/\s+\n/\n/g; # ws line-ends
		1652	s/\n\n+/\n/g; # double lines
		1653	s/^\n+//; # beginning lines
		1654	s/\n+$//; # ending lines
		1655	}
		1656
		1657	$xml
		1658	}
		1659
		1660	no re 'eval';
		1661
		1662	sub hintmode {
		1663	$_[0]{hintmode} = $_[1] if @_ > 1;
		1664	$_[0]{hintmode}
		1665	}
		1666
1190	=item $player->ext_reply ($msgid, %msg)	1667	=item $player->ext_reply ($msgid, @msg)
1191		1668
1192	Sends an ext reply to the player.	1669	Sends an ext reply to the player.
1193		1670
1194	=cut	1671	=cut
1195		1672
1196	sub ext_reply($$%) {	1673	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1674	my ($self, $id, @msg) = @_;
1198		1675
1199	$msg{msgid} = $id;	1676	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1677	}
1203		1678
1204	=item $player->ext_event ($type, %msg)	1679	=item $player->ext_msg ($type, @msg)
1205		1680
1206	Sends an ext event to the client.	1681	Sends an ext event to the client.
1207		1682
1208	=cut	1683	=cut
1209		1684
1210	sub ext_event($$%) {	1685	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1686	my ($self, $type, @msg) = @_;
1212		1687
1213	$self->ns->ext_event ($type, %msg);	1688	$self->ns->ext_msg ($type, @msg);
1214	}	1689	}
1215		1690
1216	=head3 cf::region	1691	=head3 cf::region
1217		1692
1218	=over 4	1693	=over 4
…		…
1221		1696
1222	package cf::region;	1697	package cf::region;
1223		1698
1224	=item cf::region::find_by_path $path	1699	=item cf::region::find_by_path $path
1225		1700
1226	Tries to decuce the probable region for a map knowing only its path.	1701	Tries to decuce the likely region for a map knowing only its path.
1227		1702
1228	=cut	1703	=cut
1229		1704
1230	sub find_by_path($) {	1705	sub find_by_path($) {
1231	my ($path) = @_;	1706	my ($path) = @_;
1232		1707
1233	my ($match, $specificity);	1708	my ($match, $specificity);
1234		1709
1235	for my $region (list) {	1710	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1711	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1712	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1713	if $region->specificity > $specificity;
1239	}	1714	}
1240	}	1715	}
1241		1716
…		…
1361	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1362	return $self;	1837	return $self;
1363	}	1838	}
1364	}	1839	}
1365		1840
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1842	()
1368	}	1843	}
1369		1844
1370	sub init {	1845	sub init {
1371	my ($self) = @_;	1846	my ($self) = @_;
…		…
1434		1909
1435	sub load_header_from($) {	1910	sub load_header_from($) {
1436	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1437		1912
1438	utf8::encode $path;	1913	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1915	or return;
		1916
		1917	$self->_load_header ($f)
		1918	or return;
		1919
		1920	local $MAP_LOADING{$self->{path}} = $self;
		1921	$f->resolve_delayed_derefs;
1444		1922
1445	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1446		1924
1447	1	1925	1
1448	}	1926	}
…		…
1502	sub find {	1980	sub find {
1503	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1504		1982
1505	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1506		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1508		1987
1509	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1989	my $guard1 = cf::lock_acquire "map_find:$path";
		1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1991
1511	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1512	or return;	1993	or return;
1513		1994
1514	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1515		1996
…		…
1517	or return;	1998	or return;
1518		1999
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1522	$map->reset;	2005	$map->reset;
1523	undef $guard;
1524	return find $path;	2006	return find $path;
1525	}	2007	}
1526		2008
1527	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1528	}	2010	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1538		2020
1539	my $path = $self->{path};	2021	my $path = $self->{path};
1540		2022
1541	{	2023	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1543		2025
		2026	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		2028
1546	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1547		2030
1548	$self->alloc;	2031	$self->alloc;
1549		2032
1550	$self->pre_load;	2033	$self->pre_load;
1551	Coro::cede;	2034	cf::cede_to_tick;
1552		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	2038	$self->_load_objects ($f)
1554	or return;	2039	or return;
1555		2040
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	2042	if delete $self->{load_original};
1558		2043
1559	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2045	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2048	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1564	}	2052	}
1565	}	2053	}
1566		2054
1567	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1568	# now do the right thing for maps	2058	# now do the right thing for maps
1569	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2061	unless $self->difficulty;
1572	Coro::cede;	2062	cf::cede_to_tick;
1573		2063
1574	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2065	$self->decay_objects;
1576	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1577	$self->update_buttons;	2067	$self->update_buttons;
1578	Coro::cede;	2068	cf::cede_to_tick;
1579	$self->set_darkness_map;	2069	$self->set_darkness_map;
1580	Coro::cede;	2070	cf::cede_to_tick;
1581	$self->activate;	2071	$self->activate;
1582	}	2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
1583		2076
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	2078	}
1586		2079
1587	$self->post_load;	2080	$self->post_load;
…		…
1598		2091
1599	$self	2092	$self
1600	}	2093	}
1601		2094
1602	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	2096	sub load_neighbours {
1604	my ($map) = @_;	2097	my ($map) = @_;
1605		2098
1606	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1607		2100
1608	for (0 .. 3) {	2101	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1610	or next;	2103	or next;
1611	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1612	or next;	2105	or next;
1613	$neigh->load;	2106	$neigh->load;
1614		2107
		2108	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2111	}
1618		2112
1619	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1621	or next;	2116	or next;
1622	$neigh->load;	2117	$neigh->load;
1623	}	2118	}
1624	}	2119	}
1625		2120
…		…
1630	}	2125	}
1631		2126
1632	sub do_load_sync {	2127	sub do_load_sync {
1633	my ($map) = @_;	2128	my ($map) = @_;
1634		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1635	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1636	}	2134	}
1637		2135
1638	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1640		2138
1641	sub find_async {	2139	sub find_async {
1642	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1643		2141
1644	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1645		2143
1646	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2146	}
1649		2147
1650	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1651	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1652	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2155	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2156	$map->load if $v;
		2157	}
1657		2158
1658	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1659	}	2160	}
1660	}	2161	}
1661	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1662	};	2163	};
1663	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2167	}
1667		2168
1668	sub save {	2169	sub save {
1669	my ($self) = @_;	2170	my ($self) = @_;
1670		2171
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2173
1673	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1674		2175
1675	return unless $self->dirty;	2176	return unless $self->dirty;
1676		2177
…		…
1682	return if $self->{deny_save};	2183	return if $self->{deny_save};
1683		2184
1684	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1685		2186
1686	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1688	};	2190	};
1689		2191
1690	if ($uniq) {	2192	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2201	my ($self) = @_;
1700		2202
1701	# save first because save cedes	2203	# save first because save cedes
1702	$self->save;	2204	$self->save;
1703		2205
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2207
1706	return if $self->players;	2208	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2210	return if $self->{deny_save};
1709		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2216	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2217	}
1713		2218
1714	sub reset_at {	2219	sub reset_at {
1715	my ($self) = @_;	2220	my ($self) = @_;
1716		2221
…		…
1748	if $uniq;	2253	if $uniq;
1749	}	2254	}
1750		2255
1751	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1752		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2260	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2261
1757	$self->unlink_save;	2262	$self->unlink_save;
1758	$self->destroy;	2263	$self->destroy;
1759	}	2264	}
1760		2265
1761	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1762		2267
1763	sub nuke {	2268	sub nuke {
1764	my ($self) = @_;	2269	my ($self) = @_;
1765		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1766	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1767		2275
1768	$self->unlink_save;	2276	$self->unlink_save;
1769		2277
1770	bless $self, "cf::map";	2278	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2283
1776	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1777		2286
1778	$self->reset; # polite request, might not happen	2287	$self->reset; # polite request, might not happen
		2288	}
		2289
		2290	=item $maps = cf::map::tmp_maps
		2291
		2292	Returns an arrayref with all map paths of currently instantiated and saved
		2293	maps. May block.
		2294
		2295	=cut
		2296
		2297	sub tmp_maps() {
		2298	[
		2299	map {
		2300	utf8::decode $_;
		2301	/\.map$/
		2302	? normalise $_
		2303	: ()
		2304	} @{ aio_readdir $TMPDIR or [] }
		2305	]
		2306	}
		2307
		2308	=item $maps = cf::map::random_maps
		2309
		2310	Returns an arrayref with all map paths of currently instantiated and saved
		2311	random maps. May block.
		2312
		2313	=cut
		2314
		2315	sub random_maps() {
		2316	[
		2317	map {
		2318	utf8::decode $_;
		2319	/\.map$/
		2320	? normalise "?random/$_"
		2321	: ()
		2322	} @{ aio_readdir $RANDOMDIR or [] }
		2323	]
1779	}	2324	}
1780		2325
1781	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1782		2327
1783	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2329	instantiated unique items. May block.
1785		2330
1786	=cut	2331	=cut
1787		2332
1788	sub unique_maps() {	2333	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2334	[
1790	or return;	2335	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2336	utf8::decode $_;
1796	next if /\.pst$/;	2337	/\.map$/
1797	next unless /^$PATH_SEP/o;	2338	? normalise $_
1798		2339	: ()
1799	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2341	]
1801
1802	\@paths
1803	}	2342	}
1804		2343
1805	package cf;	2344	package cf;
1806		2345
1807	=back	2346	=back
…		…
1825	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1826	}	2365	}
1827		2366
1828	sub inv_recursive {	2367	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2368	inv_recursive_ inv $_[0]
		2369	}
		2370
		2371	=item $ref = $ob->ref
		2372
		2373	creates and returns a persistent reference to an objetc that can be stored as a string.
		2374
		2375	=item $ob = cf::object::deref ($refstring)
		2376
		2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2378	even if the object actually exists. May block.
		2379
		2380	=cut
		2381
		2382	sub deref {
		2383	my ($ref) = @_;
		2384
		2385	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2386	my ($uuid, $name) = ($1, $2);
		2387	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2388	or return;
		2389	$pl->ob->uuid eq $uuid
		2390	or return;
		2391
		2392	$pl->ob
		2393	} else {
		2394	warn "$ref: cannot resolve object reference\n";
		2395	undef
		2396	}
1830	}	2397	}
1831		2398
1832	package cf;	2399	package cf;
1833		2400
1834	=back	2401	=back
…		…
1853		2420
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2422
1856	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1858	} else {	2426	} else {
		2427	my $pl = $self->contr;
		2428
		2429	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2430	my $dialog = $pl->{npc_dialog};
		2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2432
		2433	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1861	}	2437	}
		2438	}
		2439
		2440	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2441
		2442	=cut
		2443
		2444	sub cf::object::send_msg {
		2445	my $pl = shift->contr
		2446	or return;
		2447	$pl->send_msg (@_);
1862	}	2448	}
1863		2449
1864	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1865		2451
1866	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1948		2534
1949	$map->load;	2535	$map->load;
1950	$map->load_diag;	2536	$map->load_neighbours;
1951		2537
1952	return unless $self->contr->active;	2538	return unless $self->contr->active;
1953	$self->activate_recursive;	2539	$self->activate_recursive;
1954		2540
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1957	}	2543	}
1958		2544
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2546
1961	Moves the player to the given map-path and coordinates by first freezing	2547	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2548	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2549	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2550	the new (success) or old (failed) map position. In either case, $done will
		2551	be called at the end of this process.
1965		2552
1966	=cut	2553	=cut
1967		2554
1968	our $GOTOGEN;	2555	our $GOTOGEN;
1969		2556
1970	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2559
1973	# do generation counting so two concurrent goto's will be executed in-order	2560	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2562
1976	$self->enter_link;	2563	$self->enter_link;
1977		2564
1978	(async {	2565	(async {
		2566	$Coro::current->{desc} = "player::goto $path $x $y";
		2567
		2568	# *tag paths override both path and x|y
		2569	if ($path =~ /^\*(.*)$/) {
		2570	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2571	my $ob = $obs[rand @obs];
		2572
		2573	# see if we actually can go there
		2574	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2575	$ob = $obs[rand @obs];
		2576	} else {
		2577	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2578	}
		2579	# else put us there anyways for now #d#
		2580
		2581	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2582	} else {
		2583	($path, $x, $y) = (undef, undef, undef);
		2584	}
		2585	}
		2586
1979	my $map = eval {	2587	my $map = eval {
1980	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
1981		2589
1982	if ($map) {	2590	if ($map) {
1983	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
1985	} else {	2593	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2595	}
1988		2596
1989	$map	2597	$map
1990	};	2598	};
1991		2599
…		…
1996		2604
1997	if ($gen == $self->{_goto_generation}) {	2605	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2606	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
2000	}	2608	}
		2609
		2610	$done->() if $done;
2001	})->prio (1);	2611	})->prio (1);
2002	}	2612	}
2003		2613
2004	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
2005		2615
…		…
2042	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
2043	}	2653	}
2044		2654
2045	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2046		2656
2047	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
2048	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2050		2660
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
…		…
2074	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
2076		2686
2077	$self->enter_link;	2687	$self->enter_link;
2078		2688
		2689	# if exit is damned, update players death & WoR home-position
		2690	$self->contr->savebed ($slaying, $hp, $sp)
		2691	if $exit->flag (FLAG_DAMNED);
		2692
2079	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
2080	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2697	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
2083		2699
2084	1;	2700	1;
…		…
2110		2726
2111	utf8::encode $text;	2727	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2728	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2729	}
2114		2730
		2731	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2732
		2733	Send a drawinfo or msg packet to the client, formatting the msg for the
		2734	client if neccessary. C<$type> should be a string identifying the type of
		2735	the message, with C<log> being the default. If C<$color> is negative, suppress
		2736	the message unless the client supports the msg packet.
		2737
		2738	=cut
		2739
		2740	# non-persistent channels (usually the info channel)
		2741	our %CHANNEL = (
		2742	"c/identify" => {
		2743	id => "infobox",
		2744	title => "Identify",
		2745	reply => undef,
		2746	tooltip => "Items recently identified",
		2747	},
		2748	"c/examine" => {
		2749	id => "infobox",
		2750	title => "Examine",
		2751	reply => undef,
		2752	tooltip => "Signs and other items you examined",
		2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
		2760	"c/lookat" => {
		2761	id => "infobox",
		2762	title => "Look",
		2763	reply => undef,
		2764	tooltip => "What you saw there",
		2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/uptime" => {
		2779	id => "infobox",
		2780	title => "Uptime",
		2781	reply => undef,
		2782	tooltip => "How long the server has been running since last restart",
		2783	},
		2784	"c/mapinfo" => {
		2785	id => "infobox",
		2786	title => "Map Info",
		2787	reply => undef,
		2788	tooltip => "Information related to the maps",
		2789	},
		2790	);
		2791
		2792	sub cf::client::send_msg {
		2793	my ($self, $channel, $msg, $color, @extra) = @_;
		2794
		2795	$msg = $self->pl->expand_cfpod ($msg);
		2796
		2797	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2798
		2799	# check predefined channels, for the benefit of C
		2800	if ($CHANNEL{$channel}) {
		2801	$channel = $CHANNEL{$channel};
		2802
		2803	$self->ext_msg (channel_info => $channel)
		2804	if $self->can_msg;
		2805
		2806	$channel = $channel->{id};
		2807
		2808	} elsif (ref $channel) {
		2809	# send meta info to client, if not yet sent
		2810	unless (exists $self->{channel}{$channel->{id}}) {
		2811	$self->{channel}{$channel->{id}} = $channel;
		2812	$self->ext_msg (channel_info => $channel)
		2813	if $self->can_msg;
		2814	}
		2815
		2816	$channel = $channel->{id};
		2817	}
		2818
		2819	return unless @extra || length $msg;
		2820
		2821	if ($self->can_msg) {
		2822	# default colour, mask it out
		2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2824	if $color & cf::NDI_DEF;
		2825
		2826	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2828	} else {
		2829	if ($color >= 0) {
		2830	# replace some tags by gcfclient-compatible ones
		2831	for ($msg) {
		2832	1 while
		2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2838	}
		2839
		2840	$color &= cf::NDI_COLOR_MASK;
		2841
		2842	utf8::encode $msg;
		2843
		2844	if (0 && $msg =~ /\[/) {
		2845	# COMMAND/INFO
		2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2847	} else {
		2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2849	$self->send_packet ("drawinfo $color $msg")
		2850	}
		2851	}
		2852	}
		2853	}
		2854
2115	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2116		2856
2117	Sends an exti event to the client.	2857	Sends an ext event to the client.
2118		2858
2119	=cut	2859	=cut
2120		2860
2121	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2123		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2868	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2869	}
		2870	}
		2871
		2872	=item $client->ext_reply ($msgid, @msg)
		2873
		2874	Sends an ext reply to the client.
		2875
		2876	=cut
		2877
		2878	sub cf::client::ext_reply($$@) {
		2879	my ($self, $id, @msg) = @_;
		2880
		2881	if ($self->extcmd == 2) {
		2882	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2883	} elsif ($self->extcmd == 1) {
		2884	#TODO: version 1, remove
		2885	unshift @msg, msgtype => "reply", msgid => $id;
		2886	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2887	}
2126	}	2888	}
2127		2889
2128	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2129		2891
2130	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2893	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2894	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2895
2134	Queries can fail, so check the return code. Or don't, as queries will become	2896	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2897	become reliable at some point in the future.
2136		2898
2137	=cut	2899	=cut
2138		2900
2139	sub cf::client::query {	2901	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2910	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2912
2151	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2153	}	2917	}
2154		2918
2155	cf::client->attach (	2919	cf::client->attach (
		2920	on_connect => sub {
		2921	my ($ns) = @_;
		2922
		2923	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2924	},
2156	on_reply => sub {	2925	on_reply => sub {
2157	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2158		2927
2159	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2160	# get handled first	2929	# get handled first
…		…
2172	} else {	2941	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2943	}
2175	}	2944	}
2176	},	2945	},
		2946	on_exticmd => sub {
		2947	my ($ns, $buf) = @_;
		2948
		2949	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2950
		2951	if (ref $msg) {
		2952	my ($type, $reply, @payload) =
		2953	"ARRAY" eq ref $msg
		2954	? @$msg
		2955	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2956
		2957	my @reply;
		2958
		2959	if (my $cb = $EXTICMD{$type}) {
		2960	@reply = $cb->($ns, @payload);
		2961	}
		2962
		2963	$ns->ext_reply ($reply, @reply)
		2964	if $reply;
		2965
		2966	} else {
		2967	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2968	}
		2969
		2970	cf::override;
		2971	},
2177	);	2972	);
2178		2973
2179	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2180		2975
2181	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2224		3019
2225	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2226		3021
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3022	$safe->permit_only (Opcode::opset qw(
		3023	:base_core :base_mem :base_orig :base_math
		3024	grepstart grepwhile mapstart mapwhile
		3025	sort time
		3026	));
2228		3027
2229	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2230		3029
2231	=pod	3030	=pod
2232		3031
2233	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2234		3033
2235	cf::object contr pay_amount pay_player map	3034	cf::object
		3035	contr pay_amount pay_player map x y force_find force_add destroy
		3036	insert remove name archname title slaying race decrease_ob_nr
		3037
2236	cf::object::player player	3038	cf::object::player
2237	cf::player peaceful	3039	player
2238	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2239		3046
2240	=cut	3047	=cut
2241		3048
2242	for (	3049	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3051	insert remove inv name archname title slaying race
		3052	decrease_ob_nr destroy)],
2244	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2247	) {	3056	) {
2248	no strict 'refs';	3057	no strict 'refs';
…		…
2319	=back	3128	=back
2320		3129
2321	=cut	3130	=cut
2322		3131
2323	#############################################################################	3132	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	3133	# the server's init and main functions
2497		3134
2498	sub load_facedata($) {	3135	sub load_facedata($) {
2499	my ($path) = @_;	3136	my ($path) = @_;
		3137
		3138	# HACK to clear player env face cache, we need some signal framework
		3139	# for this (global event?)
		3140	%ext::player_env::MUSIC_FACE_CACHE = ();
		3141
		3142	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		3143
2501	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2502		3145
2503	my $facedata;	3146	my $facedata;
2504	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2508		3151
2509	$facedata->{version} == 2	3152	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3154
		3155	# patch in the exptable
		3156	$facedata->{resource}{"res/exp_table"} = {
		3157	type => FT_RSRC,
		3158	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3159	};
		3160	cf::cede_to_tick;
		3161
2512	{	3162	{
2513	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2514		3164
2515	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3172
		3173	cf::cede_to_tick;
2521	}	3174	}
2522		3175
2523	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2525	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2526	or next;	3180	or next;
		3181
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3185	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3187	}
2532	Coro::cede;	3188
		3189	cf::cede_to_tick;
2533	}	3190	}
2534	}	3191	}
2535		3192
2536	{	3193	{
2537	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2538		3195
2539	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3198	cf::cede_to_tick;
2542	}	3199	}
2543		3200
2544	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2545	}	3202	}
2546		3203
		3204	{
		3205	# TODO: for gcfclient pleasure, we should give resources
		3206	# that gcfclient doesn't grok a >10000 face index.
		3207	my $res = $facedata->{resource};
		3208
		3209	while (my ($name, $info) = each %$res) {
		3210	if (defined $info->{type}) {
		3211	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3212	my $data;
		3213
		3214	if ($info->{type} & 1) {
		3215	# prepend meta info
		3216
		3217	my $meta = $enc->encode ({
		3218	name => $name,
		3219	%{ $info->{meta} || {} },
		3220	});
		3221
		3222	$data = pack "(w/a*)*", $meta, $info->{data};
		3223	} else {
		3224	$data = $info->{data};
		3225	}
		3226
		3227	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3228	cf::face::set_type $idx, $info->{type};
		3229	} else {
		3230	$RESOURCE{$name} = $info;
		3231	}
		3232
		3233	cf::cede_to_tick;
		3234	}
		3235	}
		3236
		3237	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3238
2547	1	3239	1
2548	}	3240	}
2549		3241
		3242	cf::global->attach (on_resource_update => sub {
		3243	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3244	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3245
		3246	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3247	my $sound = $soundconf->{compat}[$_]
		3248	or next;
		3249
		3250	my $face = cf::face::find "sound/$sound->[1]";
		3251	cf::sound::set $sound->[0] => $face;
		3252	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3253	}
		3254
		3255	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3256	my $face = cf::face::find "sound/$v";
		3257	cf::sound::set $k => $face;
		3258	}
		3259	}
		3260	});
		3261
		3262	register_exticmd fx_want => sub {
		3263	my ($ns, $want) = @_;
		3264
		3265	while (my ($k, $v) = each %$want) {
		3266	$ns->fx_want ($k, $v);
		3267	}
		3268	};
		3269
2550	sub reload_regions {	3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
2551	load_resource_file "$MAPDIR/regions"	3275	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3276	or die "unable to load regions file\n";
		3277
		3278	for (cf::region::list) {
		3279	$_->{match} = qr/$_->{match}/
		3280	if exists $_->{match};
		3281	}
2553	}	3282	}
2554		3283
2555	sub reload_facedata {	3284	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3285	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3286	or die "unable to load facedata\n";
2558	}	3287	}
2559		3288
2560	sub reload_archetypes {	3289	sub reload_archetypes {
		3290	load_resource_file "$DATADIR/archetypes"
		3291	or die "unable to load archetypes\n";
		3292	#d# NEED to laod twice to resolve forward references
		3293	# this really needs to be done in an extra post-pass
		3294	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3295	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3296	or die "unable to load archetypes\n";
2563	}	3297	}
2564		3298
2565	sub reload_treasures {	3299	sub reload_treasures {
…		…
2581		3315
2582	sub init {	3316	sub init {
2583	reload_resources;	3317	reload_resources;
2584	}	3318	}
2585		3319
2586	sub cfg_load {	3320	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3322	or return;
2589		3323
2590	local $/;	3324	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2592		3326
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594		3328
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3329	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3330	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2607	sub main {	3341	sub main {
2608	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3345	(async {
2612	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2614	};	3349	};
2615		3350
2616	cfg_load;	3351	reload_config;
2617	db_init;	3352	db_init;
2618	load_extensions;	3353	load_extensions;
2619		3354
2620	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2621	Event::loop;	3357	EV::loop;
2622	}	3358	}
2623		3359
2624	#############################################################################	3360	#############################################################################
2625	# initialisation and cleanup	3361	# initialisation and cleanup
2626		3362
2627	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2628	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2637	},
2638	);	3369	};
		3370	}
		3371	}
		3372
		3373	sub write_runtime {
		3374	my $runtime = "$LOCALDIR/runtime";
		3375
		3376	# first touch the runtime file to show we are still running:
		3377	# the fsync below can take a very very long time.
		3378
		3379	IO::AIO::aio_utime $runtime, undef, undef;
		3380
		3381	my $guard = cf::lock_acquire "write_runtime";
		3382
		3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3384	or return;
		3385
		3386	my $value = $cf::RUNTIME + 90 + 10;
		3387	# 10 is the runtime save interval, for a monotonic clock
		3388	# 60 allows for the watchdog to kill the server.
		3389
		3390	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3391	and return;
		3392
		3393	# always fsync - this file is important
		3394	aio_fsync $fh
		3395	and return;
		3396
		3397	# touch it again to show we are up-to-date
		3398	aio_utime $fh, undef, undef;
		3399
		3400	close $fh
		3401	or return;
		3402
		3403	aio_rename "$runtime~", $runtime
		3404	and return;
		3405
		3406	warn "runtime file written.\n";
		3407
2639	}	3408	1
2640	}	3409	}
2641		3410
2642	sub emergency_save() {	3411	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2644		3413
…		…
2650	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2652	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3425	$pl->save;
2656	}	3426	}
2657	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2658		3428
2659	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2698	warn "syncing database to disk";	3468	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2700		3470
2701	# if anything goes wrong in here, we should simply crash as we already saved	3471	# if anything goes wrong in here, we should simply crash as we already saved
2702		3472
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2709	for (;;) {	3474	for (;;) {
2710	BDB::flush;	3475	BDB::flush;
2711	IO::AIO::flush;	3476	IO::AIO::flush;
2712	Coro::cede;	3477	Coro::cede_notself;
2713	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";	3479	warn "iterate...";
2715	}	3480	}
2716		3481
2717	++$RELOAD;	3482	++$RELOAD;
…		…
2721	%EXT_CORO = ();	3486	%EXT_CORO = ();
2722		3487
2723	warn "removing commands";	3488	warn "removing commands";
2724	%COMMAND = ();	3489	%COMMAND = ();
2725		3490
2726	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2728		3494
2729	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2732		3498
…		…
2775	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2776	require cf;	3542	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3544
2779	warn "loading config and database again";	3545	warn "loading config and database again";
2780	cf::cfg_load;	3546	cf::reload_config;
2781		3547
2782	warn "loading extensions";	3548	warn "loading extensions";
2783	cf::load_extensions;	3549	cf::load_extensions;
2784		3550
2785	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2805		3571
2806	sub reload_perl() {	3572	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	3573	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	3574	# coro crashes during coro_state_free->destroy here.
2809		3575
2810	$RELOAD_WATCHER ||= Event->timer (	3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811	reentrant => 0,
2812	after => 0,
2813	data => WF_AUTOCANCEL,
2814	cb => sub {
2815	do_reload_perl;	3577	do_reload_perl;
2816	undef $RELOAD_WATCHER;	3578	undef $RELOAD_WATCHER;
2817	},
2818	);	3579	};
2819	}	3580	}
2820		3581
2821	register_command "reload" => sub {	3582	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2823		3584
2824	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
		3587	async {
		3588	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	3589	reload_perl;
		3590	};
2827	}	3591	}
2828	};	3592	};
2829		3593
2830	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2831		3595
…		…
2850	my $signal = new Coro::Signal;	3614	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	3615	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	3616	$signal->wait;
2853	}	3617	}
2854		3618
2855	my $min = 1e6;#d#	3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2867	return;	3623	return;
2868	}	3624	}
2869		3625
2870	$NOW = $tick_start = Event::time;	3626	$NOW = $tick_start = EV::now;
2871		3627
2872	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
2873		3629
2874	0 && sync_job {#d#	3630	$RUNTIME += $TICK;
2875	for(1..10) {	3631	$NEXT_TICK = $_[0]->at;
2876	my $t = Event::time;
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2878	or die;
2879		3632
2880	$map->width (50);	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2881	$map->height (50);	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2882	$map->alloc;	3635	Coro::async_pool {
2883	$map->_load_objects ("/tmp/x.map", 1);	3636	$Coro::current->{desc} = "runtime saver";
2884	my $t = Event::time - $t;	3637	write_runtime
2885		3638	or warn "ERROR: unable to write runtime file: $!";
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	3639	};
		3640	}
2896		3641
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	3643	$sig->send;
2913	}	3644	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	3645	while (my $sig = shift @WAIT_FOR_TICK) {
2915	$sig->send;	3646	$sig->send;
2916	}	3647	}
2917		3648
2918	$NOW = Event::time;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;	3649	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		3651
2929	_post_tick;	3652	_post_tick;
2930		3653	};
2931		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2932	},
2933	);
2934		3655
2935	{	3656	{
2936	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	3658
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2946		3660	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		3662
2962	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	3664	$DB_ENV = BDB::db_env_create;
		3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3666	| BDB::LOG_AUTOREMOVE, 1);
		3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		3669
2965	cf::sync_job {	3670	cf::sync_job {
2966	eval {	3671	eval {
2967	BDB::db_env_open	3672	BDB::db_env_open
2968	$DB_ENV,	3673	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3677	0666;
2973		3678
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	3680	};
2979		3681
2980	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3683	};
2982	}	3684	}
		3685
		3686	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3687	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3688	};
		3689	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3690	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3691	};
		3692	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3693	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3694	};
2983	}	3695	}
2984		3696
2985	{	3697	{
		3698	# configure IO::AIO
		3699
2986	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	3703	}
2999		3704
3000	my $_log_backtrace;	3705	my $_log_backtrace;
3001		3706
3002	sub _log_backtrace {	3707	sub _log_backtrace {
…		…
3006		3711
3007	# limit the # of concurrent backtraces	3712	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	3713	if ($_log_backtrace < 2) {
3009	++$_log_backtrace;	3714	++$_log_backtrace;
3010	async {	3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
3011	my @bt = fork_call {	3718	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	3719	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3721	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	3722	or die "addr2line: $!";

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