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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 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 > $specificity;
1239	}	1714	}
1240	}	1715	}
1241		1716
…		…
1305	my ($self, $merge) = @_;	1780	my ($self, $merge) = @_;
1306		1781
1307	# we have to keep some variables in memory intact	1782	# we have to keep some variables in memory intact
1308	local $self->{path};	1783	local $self->{path};
1309	local $self->{load_path};	1784	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1785
1313	$self->SUPER::thawer_merge ($merge);	1786	$self->SUPER::thawer_merge ($merge);
1314	}	1787	}
1315		1788
1316	sub normalise {	1789	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1836	$self->init; # pass $1 etc.
1364	return $self;	1837	return $self;
1365	}	1838	}
1366	}	1839	}
1367		1840
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1841	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1842	()
1370	}	1843	}
1371		1844
1372	sub init {	1845	sub init {
1373	my ($self) = @_;	1846	my ($self) = @_;
…		…
1416		1889
1417	$_->change_map_light ($change)	1890	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1891	for grep $_->outdoor, values %cf::MAP;
1419	}	1892	}
1420		1893
		1894	sub decay_objects {
		1895	my ($self) = @_;
		1896
		1897	return if $self->{deny_reset};
		1898
		1899	$self->do_decay_objects;
		1900	}
		1901
1421	sub unlink_save {	1902	sub unlink_save {
1422	my ($self) = @_;	1903	my ($self) = @_;
1423		1904
1424	utf8::encode (my $save = $self->save_path);	1905	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1906	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1909
1429	sub load_header_from($) {	1910	sub load_header_from($) {
1430	my ($self, $path) = @_;	1911	my ($self, $path) = @_;
1431		1912
1432	utf8::encode $path;	1913	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1914	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	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;
1438		1922
1439	$self->{load_path} = $path;	1923	$self->{load_path} = $path;
1440		1924
1441	1	1925	1
1442	}	1926	}
…		…
1481	$self->load_header_orig	1965	$self->load_header_orig
1482	or return;	1966	or return;
1483	$self->prepare_orig;	1967	$self->prepare_orig;
1484	}	1968	}
1485		1969
		1970	$self->{deny_reset} = 1
		1971	if $self->no_reset;
		1972
1486	$self->default_region (cf::region::find_by_path $self->{path})	1973	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1974	unless $self->default_region;
1488		1975
1489	1	1976	1
1490	}	1977	}
…		…
1493	sub find {	1980	sub find {
1494	my ($path, $origin) = @_;	1981	my ($path, $origin) = @_;
1495		1982
1496	$path = normalise $path, $origin && $origin->path;	1983	$path = normalise $path, $origin && $origin->path;
1497		1984
		1985	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1986	cf::lock_wait "map_find:$path";
1499		1987
1500	$cf::MAP{$path} || do {	1988	$cf::MAP{$path} || do {
1501	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
1502	my $map = new_from_path cf::map $path	1992	my $map = new_from_path cf::map $path
1503	or return;	1993	or return;
1504		1994
1505	$map->{last_save} = $cf::RUNTIME;	1995	$map->{last_save} = $cf::RUNTIME;
1506		1996
1507	$map->load_header	1997	$map->load_header
1508	or return;	1998	or return;
1509		1999
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2001	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2002	#$cf::WAIT_FOR_TICK->wait;
		2003	undef $guard1;
		2004	undef $guard2;
1513	$map->reset;	2005	$map->reset;
1514	undef $guard;
1515	return find $path;	2006	return find $path;
1516	}	2007	}
1517		2008
1518	$cf::MAP{$path} = $map	2009	$cf::MAP{$path} = $map
1519	}	2010	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	2019	local $self->{deny_reset} = 1; # loading can take a long time
1529		2020
1530	my $path = $self->{path};	2021	my $path = $self->{path};
1531		2022
1532	{	2023	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2024	my $guard = cf::lock_acquire "map_data:$path";
1534		2025
		2026	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2027	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		2028
1537	$self->in_memory (cf::MAP_LOADING);	2029	$self->in_memory (cf::MAP_LOADING);
1538		2030
1539	$self->alloc;	2031	$self->alloc;
1540		2032
1541	$self->pre_load;	2033	$self->pre_load;
1542	Coro::cede;	2034	cf::cede_to_tick;
1543		2035
		2036	my $f = new_from_file cf::object::thawer $self->{load_path};
		2037	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	2038	$self->_load_objects ($f)
1545	or return;	2039	or return;
1546		2040
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	2042	if delete $self->{load_original};
1549		2043
1550	if (my $uniq = $self->uniq_path) {	2044	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2045	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2046	unless (aio_stat $uniq) {
		2047	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2048	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2049	$self->_load_objects ($f);
		2050	$f->resolve_delayed_derefs;
		2051	}
1555	}	2052	}
1556	}	2053	}
1557		2054
1558	Coro::cede;	2055	$f->resolve_delayed_derefs;
		2056
		2057	cf::cede_to_tick;
1559	# now do the right thing for maps	2058	# now do the right thing for maps
1560	$self->link_multipart_objects;	2059	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2060	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2061	unless $self->difficulty;
1563	Coro::cede;	2062	cf::cede_to_tick;
1564		2063
1565	unless ($self->{deny_activate}) {	2064	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2065	$self->decay_objects;
1567	$self->fix_auto_apply;	2066	$self->fix_auto_apply;
1568	$self->update_buttons;	2067	$self->update_buttons;
1569	Coro::cede;	2068	cf::cede_to_tick;
1570	$self->set_darkness_map;	2069	$self->set_darkness_map;
1571	Coro::cede;	2070	cf::cede_to_tick;
1572	$self->activate;	2071	$self->activate;
1573	}	2072	}
		2073
		2074	$self->{last_save} = $cf::RUNTIME;
		2075	$self->last_access ($cf::RUNTIME);
1574		2076
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2077	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	2078	}
1577		2079
1578	$self->post_load;	2080	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	2084	my ($self, $ob) = @_;
1583		2085
1584	return find "~" . $ob->name . "/" . $self->{path}	2086	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2087	if $self->per_player;
1586		2088
		2089	# return find "?party/" . $ob->name . "/" . $self->{path}
		2090	# if $self->per_party;
		2091
1587	$self	2092	$self
1588	}	2093	}
1589		2094
1590	# find and load all maps in the 3x3 area around a map	2095	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2096	sub load_neighbours {
1592	my ($map) = @_;	2097	my ($map) = @_;
1593		2098
1594	my @diag; # diagonal neighbours	2099	my @neigh; # diagonal neighbours
1595		2100
1596	for (0 .. 3) {	2101	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2102	my $neigh = $map->tile_path ($_)
1598	or next;	2103	or next;
1599	$neigh = find $neigh, $map	2104	$neigh = find $neigh, $map
1600	or next;	2105	or next;
1601	$neigh->load;	2106	$neigh->load;
1602		2107
		2108	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2109	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2110	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2111	}
1606		2112
1607	for (@diag) {	2113	for (grep defined $_->[0], @neigh) {
		2114	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2115	my $neigh = find $path, $origin
1609	or next;	2116	or next;
1610	$neigh->load;	2117	$neigh->load;
1611	}	2118	}
1612	}	2119	}
1613		2120
…		…
1618	}	2125	}
1619		2126
1620	sub do_load_sync {	2127	sub do_load_sync {
1621	my ($map) = @_;	2128	my ($map) = @_;
1622		2129
		2130	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2131	if $Coro::current == $Coro::main;
		2132
1623	cf::sync_job { $map->load };	2133	cf::sync_job { $map->load };
1624	}	2134	}
1625		2135
1626	our %MAP_PREFETCH;	2136	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2137	our $MAP_PREFETCHER = undef;
1628		2138
1629	sub find_async {	2139	sub find_async {
1630	my ($path, $origin) = @_;	2140	my ($path, $origin, $load) = @_;
1631		2141
1632	$path = normalise $path, $origin && $origin->{path};	2142	$path = normalise $path, $origin && $origin->{path};
1633		2143
1634	if (my $map = $cf::MAP{$path}) {	2144	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2146	}
1637		2147
1638	undef $MAP_PREFETCH{$path};	2148	$MAP_PREFETCH{$path} |= $load;
		2149
1639	$MAP_PREFETCHER ||= cf::async {	2150	$MAP_PREFETCHER ||= cf::async {
		2151	$Coro::current->{desc} = "map prefetcher";
		2152
1640	while (%MAP_PREFETCH) {	2153	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2154	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2155	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2156	$map->load if $v;
		2157	}
1645		2158
1646	delete $MAP_PREFETCH{$path};	2159	delete $MAP_PREFETCH{$k};
1647	}	2160	}
1648	}	2161	}
1649	undef $MAP_PREFETCHER;	2162	undef $MAP_PREFETCHER;
1650	};	2163	};
1651	$MAP_PREFETCHER->prio (6);	2164	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2167	}
1655		2168
1656	sub save {	2169	sub save {
1657	my ($self) = @_;	2170	my ($self) = @_;
1658		2171
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2173
1661	$self->{last_save} = $cf::RUNTIME;	2174	$self->{last_save} = $cf::RUNTIME;
1662		2175
1663	return unless $self->dirty;	2176	return unless $self->dirty;
1664		2177
…		…
1670	return if $self->{deny_save};	2183	return if $self->{deny_save};
1671		2184
1672	local $self->{last_access} = $self->last_access;#d#	2185	local $self->{last_access} = $self->last_access;#d#
1673		2186
1674	cf::async {	2187	cf::async {
		2188	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2189	$_->contr->save for $self->players;
1676	};	2190	};
1677		2191
1678	if ($uniq) {	2192	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2201	my ($self) = @_;
1688		2202
1689	# save first because save cedes	2203	# save first because save cedes
1690	$self->save;	2204	$self->save;
1691		2205
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2207
1694	return if $self->players;	2208	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2209	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2210	return if $self->{deny_save};
1697		2211
		2212	$self->in_memory (cf::MAP_SWAPPED);
		2213
		2214	$self->deactivate;
		2215	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2216	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2217	}
1701		2218
1702	sub reset_at {	2219	sub reset_at {
1703	my ($self) = @_;	2220	my ($self) = @_;
1704		2221
1705	# TODO: safety, remove and allow resettable per-player maps	2222	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2223	return 1e99 if $self->{deny_reset};
1708		2224
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2225	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2226	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2227
…		…
1722	my ($self) = @_;	2238	my ($self) = @_;
1723		2239
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2240	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2241
1726	return if $self->players;	2242	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2243
1729	warn "resetting map ", $self->path;	2244	warn "resetting map ", $self->path;
1730		2245
1731	$self->in_memory (cf::MAP_SWAPPED);	2246	$self->in_memory (cf::MAP_SWAPPED);
1732		2247
…		…
1738	if $uniq;	2253	if $uniq;
1739	}	2254	}
1740		2255
1741	delete $cf::MAP{$self->path};	2256	delete $cf::MAP{$self->path};
1742		2257
		2258	$self->deactivate;
		2259	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2260	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2261
1747	$self->unlink_save;	2262	$self->unlink_save;
1748	$self->destroy;	2263	$self->destroy;
1749	}	2264	}
1750		2265
1751	my $nuke_counter = "aaaa";	2266	my $nuke_counter = "aaaa";
1752		2267
1753	sub nuke {	2268	sub nuke {
1754	my ($self) = @_;	2269	my ($self) = @_;
1755		2270
		2271	{
		2272	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2273
1756	delete $cf::MAP{$self->path};	2274	delete $cf::MAP{$self->path};
1757		2275
1758	$self->unlink_save;	2276	$self->unlink_save;
1759		2277
1760	bless $self, "cf::map";	2278	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2279	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2280	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2281	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2282	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2283
1766	$cf::MAP{$self->path} = $self;	2284	$cf::MAP{$self->path} = $self;
		2285	}
1767		2286
1768	$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	]
1769	}	2324	}
1770		2325
1771	=item cf::map::unique_maps	2326	=item cf::map::unique_maps
1772		2327
1773	Returns an arrayref of paths of all shared maps that have	2328	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2329	instantiated unique items. May block.
1775		2330
1776	=cut	2331	=cut
1777		2332
1778	sub unique_maps() {	2333	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2334	[
1780	or return;	2335	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2336	utf8::decode $_;
1786	next if /\.pst$/;	2337	/\.map$/
1787	next unless /^$PATH_SEP/o;	2338	? normalise $_
1788		2339	: ()
1789	push @paths, cf::map::normalise $_;	2340	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2341	]
1791
1792	\@paths
1793	}	2342	}
1794		2343
1795	package cf;	2344	package cf;
1796		2345
1797	=back	2346	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2364	map { $_, inv_recursive_ $_->inv } @_
1816	}	2365	}
1817		2366
1818	sub inv_recursive {	2367	sub inv_recursive {
1819	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	}
1820	}	2397	}
1821		2398
1822	package cf;	2399	package cf;
1823		2400
1824	=back	2401	=back
…		…
1843		2420
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2421	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2422
1846	if ($self->{record_replies}) {	2423	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2424	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2425
1848	} 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 {
1849	$msg = $npc->name . " says: $msg" if $npc;	2434	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2435	$self->message ($msg, $flags);
		2436	}
1851	}	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 (@_);
1852	}	2448	}
1853		2449
1854	=item $player_object->may ("access")	2450	=item $player_object->may ("access")
1855		2451
1856	Returns wether the given player is authorized to access resource "access"	2452	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2531	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2532	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2533	if $x <=0 && $y <= 0;
1938		2534
1939	$map->load;	2535	$map->load;
1940	$map->load_diag;	2536	$map->load_neighbours;
1941		2537
1942	return unless $self->contr->active;	2538	return unless $self->contr->active;
1943	$self->activate_recursive;	2539	$self->activate_recursive;
1944		2540
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2542	$self->enter_map ($map, $x, $y);
1947	}	2543	}
1948		2544
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2545	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2546
1951	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
1952	her, loading and preparing them map, calling the provided $check callback	2548	her, loading and preparing them map, calling the provided $check callback
1953	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
1954	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.
1955		2552
1956	=cut	2553	=cut
1957		2554
1958	our $GOTOGEN;	2555	our $GOTOGEN;
1959		2556
1960	sub cf::object::player::goto {	2557	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2558	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2559
1963	# 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
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2561	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2562
1966	$self->enter_link;	2563	$self->enter_link;
1967		2564
1968	(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
1969	my $map = eval {	2587	my $map = eval {
1970	my $map = cf::map::find $path;	2588	my $map = defined $path ? cf::map::find $path : undef;
1971		2589
1972	if ($map) {	2590	if ($map) {
1973	$map = $map->customise_for ($self);	2591	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2592	$map = $check->($map) if $check && $map;
1975	} else {	2593	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2594	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2595	}
1978		2596
1979	$map	2597	$map
1980	};	2598	};
1981		2599
…		…
1986		2604
1987	if ($gen == $self->{_goto_generation}) {	2605	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2606	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2607	$self->leave_link ($map, $x, $y);
1990	}	2608	}
		2609
		2610	$done->() if $done;
1991	})->prio (1);	2611	})->prio (1);
1992	}	2612	}
1993		2613
1994	=item $player_object->enter_exit ($exit_object)	2614	=item $player_object->enter_exit ($exit_object)
1995		2615
…		…
2032	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
2033	}	2653	}
2034		2654
2035	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2036		2656
2037	my $data = cf::to_json $rmp;	2657	my $data = cf::encode_json $rmp;
2038	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2040		2660
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
…		…
2064	my $hp = $exit->stats->hp;	2684	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2685	my $sp = $exit->stats->sp;
2066		2686
2067	$self->enter_link;	2687	$self->enter_link;
2068		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
2069	(async {	2693	(async {
		2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2695
2070	$self->deactivate_recursive; # just to be sure	2696	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2697	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2698	$self->goto ($slaying, $hp, $sp);
2073		2699
2074	1;	2700	1;
…		…
2100		2726
2101	utf8::encode $text;	2727	utf8::encode $text;
2102	$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);
2103	}	2729	}
2104		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
2105	=item $client->ext_event ($type, %msg)	2855	=item $client->ext_msg ($type, @msg)
2106		2856
2107	Sends an exti event to the client.	2857	Sends an ext event to the client.
2108		2858
2109	=cut	2859	=cut
2110		2860
2111	sub cf::client::ext_event($$%) {	2861	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2862	my ($self, $type, @msg) = @_;
2113		2863
		2864	if ($self->extcmd == 2) {
		2865	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2866	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2867	push @msg, msgtype => "event_$type";
2115	$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	}
2116	}	2888	}
2117		2889
2118	=item $success = $client->query ($flags, "text", \&cb)	2890	=item $success = $client->query ($flags, "text", \&cb)
2119		2891
2120	Queues a query to the client, calling the given callback with	2892	Queues a query to the client, calling the given callback with
2121	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>,
2122	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>.
2123		2895
2124	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
2125	reliable at some point in the future.	2897	become reliable at some point in the future.
2126		2898
2127	=cut	2899	=cut
2128		2900
2129	sub cf::client::query {	2901	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2902	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2910	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2911	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2912
2141	$self->send_packet ($self->{query_queue}[0][0])	2913	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2914	if @{ $self->{query_queue} } == 1;
		2915
		2916	1
2143	}	2917	}
2144		2918
2145	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	},
2146	on_reply => sub {	2925	on_reply => sub {
2147	my ($ns, $msg) = @_;	2926	my ($ns, $msg) = @_;
2148		2927
2149	# this weird shuffling is so that direct followup queries	2928	# this weird shuffling is so that direct followup queries
2150	# get handled first	2929	# get handled first
…		…
2162	} else {	2941	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2942	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2943	}
2165	}	2944	}
2166	},	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	},
2167	);	2972	);
2168		2973
2169	=item $client->async (\&cb)	2974	=item $client->async (\&cb)
2170		2975
2171	Create a new coroutine, running the specified callback. The coroutine will	2976	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	3017	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3018	our $safe_hole = new Safe::Hole;
2214		3019
2215	$SIG{FPE} = 'IGNORE';	3020	$SIG{FPE} = 'IGNORE';
2216		3021
2217	$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	));
2218		3027
2219	# here we export the classes and methods available to script code	3028	# here we export the classes and methods available to script code
2220		3029
2221	=pod	3030	=pod
2222		3031
2223	The following functions and methods are available within a safe environment:	3032	The following functions and methods are available within a safe environment:
2224		3033
2225	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
2226	cf::object::player player	3038	cf::object::player
2227	cf::player peaceful	3039	player
2228	cf::map trigger	3040
		3041	cf::player
		3042	peaceful
		3043
		3044	cf::map
		3045	trigger
2229		3046
2230	=cut	3047	=cut
2231		3048
2232	for (	3049	for (
2233	["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)],
2234	["cf::object::player" => qw(player)],	3053	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3054	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	3055	["cf::map" => qw(trigger)],
2237	) {	3056	) {
2238	no strict 'refs';	3057	no strict 'refs';
…		…
2309	=back	3128	=back
2310		3129
2311	=cut	3130	=cut
2312		3131
2313	#############################################################################	3132	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3133	# the server's init and main functions
2487		3134
2488	sub load_facedata($) {	3135	sub load_facedata($) {
2489	my ($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;
2490		3143
2491	warn "loading facedata from $path\n";	3144	warn "loading facedata from $path\n";
2492		3145
2493	my $facedata;	3146	my $facedata;
2494	0 < aio_load $path, $facedata	3147	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3150	$facedata = Coro::Storable::thaw $facedata;
2498		3151
2499	$facedata->{version} == 2	3152	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3153	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		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
2502	{	3162	{
2503	my $faces = $facedata->{faceinfo};	3163	my $faces = $facedata->{faceinfo};
2504		3164
2505	while (my ($face, $info) = each %$faces) {	3165	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3166	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3167
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3168	cf::face::set_visibility $idx, $info->{visibility};
		3169	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3170	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3171	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3172
		3173	cf::cede_to_tick;
2511	}	3174	}
2512		3175
2513	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3177	next unless $info->{smooth};
		3178
2515	my $idx = cf::face::find $face	3179	my $idx = cf::face::find $face
2516	or next;	3180	or next;
		3181
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3182	if (my $smooth = cf::face::find $info->{smooth}) {
		3183	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3184	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3185	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3186	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3187	}
2522	Coro::cede;	3188
		3189	cf::cede_to_tick;
2523	}	3190	}
2524	}	3191	}
2525		3192
2526	{	3193	{
2527	my $anims = $facedata->{animinfo};	3194	my $anims = $facedata->{animinfo};
2528		3195
2529	while (my ($anim, $info) = each %$anims) {	3196	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3197	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3198	cf::cede_to_tick;
2532	}	3199	}
2533		3200
2534	cf::anim::invalidate_all; # d'oh	3201	cf::anim::invalidate_all; # d'oh
2535	}	3202	}
2536		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
2537	1	3239	1
2538	}	3240	}
2539		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, $v);
		3267	}
		3268	};
		3269
2540	sub reload_regions {	3270	sub reload_regions {
		3271	# HACK to clear player env face cache, we need some signal framework
		3272	# for this (global event?)
		3273	%ext::player_env::MUSIC_FACE_CACHE = ();
		3274
2541	load_resource_file "$MAPDIR/regions"	3275	load_resource_file "$MAPDIR/regions"
2542	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 $_->{match};
		3281	}
2543	}	3282	}
2544		3283
2545	sub reload_facedata {	3284	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3285	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3286	or die "unable to load facedata\n";
2548	}	3287	}
2549		3288
2550	sub reload_archetypes {	3289	sub reload_archetypes {
		3290	load_resource_file "$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)
2551	load_resource_file "$DATADIR/archetypes"	3295	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3296	or die "unable to load archetypes\n";
2553	}	3297	}
2554		3298
2555	sub reload_treasures {	3299	sub reload_treasures {
…		…
2571		3315
2572	sub init {	3316	sub init {
2573	reload_resources;	3317	reload_resources;
2574	}	3318	}
2575		3319
2576	sub cfg_load {	3320	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3321	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3322	or return;
2579		3323
2580	local $/;	3324	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3325	*CFG = YAML::Load <$fh>;
2582		3326
2583	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3327	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584		3328
2585	$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};
2586	$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};
…		…
2597	sub main {	3341	sub main {
2598	# we must not ever block the main coroutine	3342	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3343	local $Coro::idle = sub {
2600	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#
2601	(async {	3345	(async {
2602	Event::one_event;	3346	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3347	EV::loop EV::LOOP_ONESHOT;
2603	})->prio (Coro::PRIO_MAX);	3348	})->prio (Coro::PRIO_MAX);
2604	};	3349	};
2605		3350
2606	cfg_load;	3351	reload_config;
2607	db_init;	3352	db_init;
2608	load_extensions;	3353	load_extensions;
2609		3354
2610	$TICK_WATCHER->start;	3355	$TICK_WATCHER->start;
		3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2611	Event::loop;	3357	EV::loop;
2612	}	3358	}
2613		3359
2614	#############################################################################	3360	#############################################################################
2615	# initialisation and cleanup	3361	# initialisation and cleanup
2616		3362
2617	# install some emergency cleanup handlers	3363	# install some emergency cleanup handlers
2618	BEGIN {	3364	BEGIN {
		3365	our %SIGWATCHER = ();
2619	for my $signal (qw(INT HUP TERM)) {	3366	for my $signal (qw(INT HUP TERM)) {
2620	Event->signal (	3367	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2621	reentrant => 0,
2622	data => WF_AUTOCANCEL,
2623	signal => $signal,
2624	prio => 0,
2625	cb => sub {
2626	cf::cleanup "SIG$signal";	3368	cf::cleanup "SIG$signal";
2627	},
2628	);	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
2629	}	3408	1
2630	}	3409	}
2631		3410
2632	sub emergency_save() {	3411	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3412	my $freeze_guard = cf::freeze_mainloop;
2634		3413
…		…
2640	# and maps saved/destroyed asynchronously.	3419	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3420	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3421	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3422	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3423	$pl->valid or next;
		3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3425	$pl->save;
2646	}	3426	}
2647	warn "end emergency player save\n";	3427	warn "end emergency player save\n";
2648		3428
2649	warn "begin emergency map save\n";	3429	warn "begin emergency map save\n";
…		…
2688	warn "syncing database to disk";	3468	warn "syncing database to disk";
2689	BDB::db_env_txn_checkpoint $DB_ENV;	3469	BDB::db_env_txn_checkpoint $DB_ENV;
2690		3470
2691	# 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
2692		3472
2693	warn "cancelling all WF_AUTOCANCEL watchers";
2694	for (Event::all_watchers) {
2695	$_->cancel if $_->data & WF_AUTOCANCEL;
2696	}
2697
2698	warn "flushing outstanding aio requests";	3473	warn "flushing outstanding aio requests";
2699	for (;;) {	3474	for (;;) {
2700	BDB::flush;	3475	BDB::flush;
2701	IO::AIO::flush;	3476	IO::AIO::flush;
2702	Coro::cede;	3477	Coro::cede_notself;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3478	last unless IO::AIO::nreqs || BDB::nreqs;
2704	warn "iterate...";	3479	warn "iterate...";
2705	}	3480	}
2706		3481
2707	++$RELOAD;	3482	++$RELOAD;
…		…
2711	%EXT_CORO = ();	3486	%EXT_CORO = ();
2712		3487
2713	warn "removing commands";	3488	warn "removing commands";
2714	%COMMAND = ();	3489	%COMMAND = ();
2715		3490
2716	warn "removing ext commands";	3491	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3492	%EXTCMD = ();
		3493	%EXTICMD = ();
2718		3494
2719	warn "unloading/nuking all extensions";	3495	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3496	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3497	warn "... unloading $pkg";
2722		3498
…		…
2765	warn "reloading cf.pm";	3541	warn "reloading cf.pm";
2766	require cf;	3542	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3544
2769	warn "loading config and database again";	3545	warn "loading config and database again";
2770	cf::cfg_load;	3546	cf::reload_config;
2771		3547
2772	warn "loading extensions";	3548	warn "loading extensions";
2773	cf::load_extensions;	3549	cf::load_extensions;
2774		3550
2775	warn "reattaching attachments to objects/players";	3551	warn "reattaching attachments to objects/players";
…		…
2795		3571
2796	sub reload_perl() {	3572	sub reload_perl() {
2797	# doing reload synchronously and two reloads happen back-to-back,	3573	# doing reload synchronously and two reloads happen back-to-back,
2798	# coro crashes during coro_state_free->destroy here.	3574	# coro crashes during coro_state_free->destroy here.
2799		3575
2800	$RELOAD_WATCHER ||= Event->timer (	3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801	reentrant => 0,
2802	after => 0,
2803	data => WF_AUTOCANCEL,
2804	cb => sub {
2805	do_reload_perl;	3577	do_reload_perl;
2806	undef $RELOAD_WATCHER;	3578	undef $RELOAD_WATCHER;
2807	},
2808	);	3579	};
2809	}	3580	}
2810		3581
2811	register_command "reload" => sub {	3582	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3583	my ($who, $arg) = @_;
2813		3584
2814	if ($who->flag (FLAG_WIZ)) {	3585	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3586	$who->message ("reloading server.");
		3587	async {
		3588	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3589	reload_perl;
		3590	};
2817	}	3591	}
2818	};	3592	};
2819		3593
2820	unshift @INC, $LIBDIR;	3594	unshift @INC, $LIBDIR;
2821		3595
…		…
2840	my $signal = new Coro::Signal;	3614	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3615	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3616	$signal->wait;
2843	}	3617	}
2844		3618
2845	my $min = 1e6;#d#	3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,
2849	parked => 1,
2850	prio => 0,
2851	at => $NEXT_TICK || $TICK,
2852	data => WF_AUTOCANCEL,
2853	cb => sub {
2854	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
2855	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856	unless ++$bug_warning > 10;	3622	unless ++$bug_warning > 10;
2857	return;	3623	return;
2858	}	3624	}
2859		3625
2860	$NOW = $tick_start = Event::time;	3626	$NOW = $tick_start = EV::now;
2861		3627
2862	cf::server_tick; # one server iteration	3628	cf::server_tick; # one server iteration
2863		3629
2864	0 && sync_job {#d#	3630	$RUNTIME += $TICK;
2865	for(1..10) {	3631	$NEXT_TICK = $_[0]->at;
2866	my $t = Event::time;
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868	or die;
2869		3632
2870	$map->width (50);	3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2871	$map->height (50);	3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2872	$map->alloc;	3635	Coro::async_pool {
2873	$map->_load_objects ("/tmp/x.map", 1);	3636	$Coro::current->{desc} = "runtime saver";
2874	my $t = Event::time - $t;	3637	write_runtime
2875		3638	or warn "ERROR: unable to write runtime file: $!";
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};	3639	};
		3640	}
2886		3641
2887	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;
2889
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {
2893	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";
2895	};
2896	}
2897
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3643	$sig->send;
2903	}	3644	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3645	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3646	$sig->send;
2906	}	3647	}
2907		3648
2908	$NOW = Event::time;
2909
2910	# if we are delayed by four ticks or more, skip them all
2911	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913	$TICK_WATCHER->at ($NEXT_TICK);
2914	$TICK_WATCHER->start;
2915
2916	$LOAD = ($NOW - $tick_start) / $TICK;	3649	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3651
2919	_post_tick;	3652	_post_tick;
2920		3653	};
2921		3654	$TICK_WATCHER->priority (EV::MAXPRI);
2922	},
2923	);
2924		3655
2925	{	3656	{
2926	BDB::max_poll_time $TICK * 0.1;	3657	# configure BDB
2927	$BDB_POLL_WATCHER = Event->io (	3658
2928	reentrant => 0,
2929	fd => BDB::poll_fileno,
2930	poll => 'r',
2931	prio => 0,
2932	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,
2934	);
2935	BDB::min_parallel 8;	3659	BDB::min_parallel 8;
2936		3660	BDB::max_poll_reqs $TICK * 0.1;
2937	BDB::set_sync_prepare {	3661	$Coro::BDB::WATCHER->priority (1);
2938	my $status;
2939	my $current = $Coro::current;
2940	(
2941	sub {
2942	$status = $!;
2943	$current->ready; undef $current;
2944	},
2945	sub {
2946	Coro::schedule while defined $current;
2947	$! = $status;
2948	},
2949	)
2950	};
2951		3662
2952	unless ($DB_ENV) {	3663	unless ($DB_ENV) {
2953	$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);
2954		3669
2955	cf::sync_job {	3670	cf::sync_job {
2956	eval {	3671	eval {
2957	BDB::db_env_open	3672	BDB::db_env_open
2958	$DB_ENV,	3673	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3675	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3676	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3677	0666;
2963		3678
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3679	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3680	};
2969		3681
2970	cf::cleanup "db_env_open(db): $@" if $@;	3682	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3683	};
2972	}	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	};
2973	}	3695	}
2974		3696
2975	{	3697	{
		3698	# configure IO::AIO
		3699
2976	IO::AIO::min_parallel 8;	3700	IO::AIO::min_parallel 8;
2977
2978	undef $Coro::AIO::WATCHER;
2979	IO::AIO::max_poll_time $TICK * 0.1;	3701	IO::AIO::max_poll_time $TICK * 0.1;
2980	$AIO_POLL_WATCHER = Event->io (	3702	$Coro::AIO::WATCHER->priority (1);
2981	reentrant => 0,
2982	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,
2984	poll => 'r',
2985	prio => 6,
2986	cb => \&IO::AIO::poll_cb,
2987	);
2988	}	3703	}
2989		3704
2990	my $_log_backtrace;	3705	my $_log_backtrace;
2991		3706
2992	sub _log_backtrace {	3707	sub _log_backtrace {
…		…
2996		3711
2997	# limit the # of concurrent backtraces	3712	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3713	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3714	++$_log_backtrace;
3000	async {	3715	async {
		3716	$Coro::current->{desc} = "abt $msg";
		3717
3001	my @bt = fork_call {	3718	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3719	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3720	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	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 |"
3005	or die "addr2line: $!";	3722	or die "addr2line: $!";

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