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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.402 by root, Mon Dec 17 07:03:32 2007 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;
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::Syck ();
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?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	76	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	79	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		81
80	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	86	our $DB_ENV;
82		87
83	our %CFG;	88	our %CFG;
84		89
85	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		100
…		…
155		161
156	The raw value load value from the last tick.	162	The raw value load value from the last tick.
157		163
158	=item %cf::CFG	164	=item %cf::CFG
159		165
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	167	from wherever your confdir points to.
162		168
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		170
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	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	172	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.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
169	=back	181	=back
170		182
171	=cut	183	=cut
172		184
173	BEGIN {	185	BEGIN {
…		…
177	$msg .= "\n"	189	$msg .= "\n"
178	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
179		191
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		193
182	utf8::encode $msg;
183	LOG llevError, $msg;	194	LOG llevError, $msg;
184	};	195	};
185	}	196	}
186		197
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		205
194	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	207	# within the Safe compartment.
196	for my $pkg (qw(	208	for my $pkg (qw(
197	cf::global cf::attachable	209	cf::global cf::attachable
…		…
202	)) {	214	)) {
203	no strict 'refs';	215	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	217	}
206		218
207	$Event::DIED = sub {	219	$EV::DIED = sub {
208	warn "error in event callback: @_";	220	warn "error in event callback: @_";
209	};	221	};
		222
		223	#############################################################################
210		224
211	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
212		226
213	=over 4	227	=over 4
214		228
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	248	$d
235	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
236	}	250	}
237		251
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
241		253
242	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
243		255
244	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
245		257
246	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub encode_json($) { $json_coder->encode ($_[0]) }
		265	sub decode_json($) { $json_coder->decode ($_[0]) }
247		266
248	=item cf::lock_wait $string	267	=item cf::lock_wait $string
249		268
250	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
251		270
…		…
254	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
257	returned.	276	returned.
258		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
259	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
261		283
262	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
263		285
264	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
265		287
266	=cut	288	=cut
267		289
268	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
269		292
270	sub lock_wait($) {	293	sub lock_wait($) {
271	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
272		300
273	# wait for lock, if any	301	# wait for lock, if any
274	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	304	Coro::schedule;
…		…
282		310
283	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
284	lock_wait $key;	312	lock_wait $key;
285		313
286	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
287		316
288	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
291	}	321	}
292	}	322	}
293		323
…		…
305	};	335	};
306	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
307	$guard	337	$guard
308	}	338	}
309		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
		411	}
		412
310	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
311		414
312	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
317		420
318	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
319		422
320	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
321		424
322	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
325		429
326	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
329	fast or be very important.	433	fast or be very important.
…		…
332		436
333	sub sync_job(&) {	437	sub sync_job(&) {
334	my ($job) = @_;	438	my ($job) = @_;
335		439
336	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
337	my $time = Event::time;	441	my $time = EV::time;
338		442
339	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
341		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
342	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	449	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
345		451
346	my $busy = 1;	452	my $busy = 1;
347	my @res;	453	my @res;
348		454
349	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	457	@res = eval { $job->() };
351	warn $@ if $@;	458	warn $@ if $@;
352	undef $busy;	459	undef $busy;
353	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
354		461
355	while ($busy) {	462	while ($busy) {
356	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
357	}	467	}
		468	}
358		469
359	$time = Event::time - $time;	470	$time = EV::time - $time;
360		471
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		474
364	$tick_start += $time; # do not account sync jobs to server load	475	$tick_start += $time; # do not account sync jobs to server load
…		…
389	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
390		501
391	$coro	502	$coro
392	}	503	}
393		504
394	sub write_runtime {	505	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		506
397	# first touch the runtime file to show we are still running:	507	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
399		511
400	IO::AIO::aio_utime $runtime, undef, undef;	512	=cut
401		513
402	my $guard = cf::lock_acquire "write_runtime";	514	sub fork_call(&@) {
		515	my ($cb, @args) = @_;
403		516
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	517	# we seemingly have to make a local copy of the whole thing,
405	or return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
406		520
407	my $value = $cf::RUNTIME + 90 + 10;	521	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	522	reset_signals;
409	# 60 allows for the watchdog to kill the server.	523	&$cb
		524	}, @args;
410		525
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	526	wantarray ? @res : $res[-1]
412	and return;	527	}
413		528
414	# always fsync - this file is important	529	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		530
418	# touch it again to show we are up-to-date	531	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		532
421	close $fh	533	=item cf::db_put $family => $key => $value
422	or return;
423		534
424	aio_rename "$runtime~", $runtime	535	Stores the given C<$value> in the family. It can currently store binary
425	and return;	536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		537
427	warn "runtime file written.\n";#d#	538	=item $db = cf::db_table "name"
428		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
429	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
430	}	654	}
431		655
432	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
433		657
434	Log a datalog packet of the given type with the given key-value pairs.	658	Log a datalog packet of the given type with the given key-value pairs.
…		…
452	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
454		678
455	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	681	Deliantra).
458		682
459	=over 4	683	=over 4
460		684
461	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
462		686
…		…
664	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
665	}	889	}
666		890
667	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
668	} else {	892	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	894	}
671		895
672	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
673	}	897	}
674		898
…		…
714	";	938	";
715	die if $@;	939	die if $@;
716	}	940	}
717		941
718	our $override;	942	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		944
721	sub override {	945	sub override {
722	$override = 1;	946	$override = 1;
723	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
724	}	948	}
725		949
726	sub do_invoke {	950	sub do_invoke {
727	my $event = shift;	951	my $event = shift;
728	my $callbacks = shift;	952	my $callbacks = shift;
729		953
730	@invoke_results = ();	954	@INVOKE_RESULTS = ();
731		955
732	local $override;	956	local $override;
733		957
734	for (@$callbacks) {	958	for (@$callbacks) {
735	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
752		976
753	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
754		978
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		982
759	=back	983	=back
760		984
761	=cut	985	=cut
762		986
763	#############################################################################	987	#############################################################################
764	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
765		1031
766	sub reattach {	1032	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1034	my ($obj) = @_;
769		1035
…		…
790	cf::attachable->attach (	1056	cf::attachable->attach (
791	prio => -1000000,	1057	prio => -1000000,
792	on_instantiate => sub {	1058	on_instantiate => sub {
793	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
794		1060
795	$data = from_json $data;	1061	$data = decode_json $data;
796		1062
797	for (@$data) {	1063	for (@$data) {
798	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
799		1065
800	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1082	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
818		1084
819	sync_job {	1085	sync_job {
820	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
823		1090
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1095	close $fh;
829		1096
830	if (@$objs) {	1097	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1103	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
838	}	1105	}
…		…
846	}	1113	}
847	} else {	1114	} else {
848	aio_unlink $filename;	1115	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
850	}	1117	}
851	}	1118	};
852	}	1119	}
853		1120
854	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
856		1123
…		…
868	or return;	1135	or return;
869		1136
870	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
872	or return;	1139	or return;
		1140
873	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
874	}	1143	}
875		1144
		1145	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
878	return ($data, $av);	1149	($data, $av)
879	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
880		1157
881	#############################################################################	1158	#############################################################################
882	# command handling &c	1159	# command handling &c
883		1160
884	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1175	}
899		1176
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1178
902	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
903		1184
904	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
905	called.	1186	called.
906		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
907	=cut	1199	=cut
908		1200
909	sub register_extcmd {	1201	sub register_extcmd {
910	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
911		1203
912	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
913	}	1211	}
914		1212
915	cf::player->attach (	1213	cf::player->attach (
916	on_command => sub {	1214	on_command => sub {
917	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1224	cf::override;
927	},	1225	},
928	on_extcmd => sub {	1226	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
930		1228
931	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1230
933	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
939	} else {	1246	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1248	}
942		1249
943	cf::override;	1250	cf::override;
944	},	1251	},
945	);	1252	);
946		1253
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
982	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1259	next unless -r $path;
984	eval {	1260
985	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
986	1	1318	}
987	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
988	}	1324	};
989	}	1325	}
990		1326
991	#############################################################################	1327	#############################################################################
992		1328
		1329	=back
		1330
993	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
994		1332
995	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
996		1334
997	=cut	1335	=cut
…		…
1001	use Coro::AIO;	1339	use Coro::AIO;
1002		1340
1003	=head3 cf::player	1341	=head3 cf::player
1004		1342
1005	=over 4	1343	=over 4
		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
1006		1358
1007	=item cf::player::find $login	1359	=item cf::player::find $login
1008		1360
1009	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
1010		1362
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1402
1051	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1054	}	1411	}
1055	}	1412	}
1056	}	1413	}
1057		1414
…		…
1067		1424
1068	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1070		1427
1071	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1072	Coro::cede;	1429	cf::cede_to_tick;
1073	}	1430	}
1074		1431
1075	sub new($) {	1432	sub new($) {
1076	my ($login) = @_;	1433	my ($login) = @_;
1077		1434
…		…
1081	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1082		1439
1083	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1084		1441
1085	$self	1442	$self
		1443	}
		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
1086	}	1453	}
1087		1454
1088	=item $pl->quit_character	1455	=item $pl->quit_character
1089		1456
1090	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1512	or return [];
1146		1513
1147	my @logins;	1514	my @logins;
1148		1515
1149	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1153		1525
1154	utf8::decode $login;	1526	utf8::decode $login;
1155	push @logins, $login;	1527	push @logins, $login;
1156	}	1528	}
1157		1529
…		…
1184	}	1556	}
1185		1557
1186	\@paths	1558	\@paths
1187	}	1559	}
1188		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1189	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1190		1655
1191	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1192		1657
1193	=cut	1658	=cut
1194		1659
1195	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1197		1662
1198	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1664	}
1202		1665
1203	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1204		1667
1205	Sends an ext event to the client.	1668	Sends an ext event to the client.
1206		1669
1207	=cut	1670	=cut
1208		1671
1209	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1211		1674
1212	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1213	}	1676	}
1214		1677
1215	=head3 cf::region	1678	=head3 cf::region
1216		1679
1217	=over 4	1680	=over 4
…		…
1220		1683
1221	package cf::region;	1684	package cf::region;
1222		1685
1223	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1224		1687
1225	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1226		1689
1227	=cut	1690	=cut
1228		1691
1229	sub find_by_path($) {	1692	sub find_by_path($) {
1230	my ($path) = @_;	1693	my ($path) = @_;
1231		1694
1232	my ($match, $specificity);	1695	my ($match, $specificity);
1233		1696
1234	for my $region (list) {	1697	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1238	}	1701	}
1239	}	1702	}
1240		1703
…		…
1304	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1305		1768
1306	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1307	local $self->{path};	1770	local $self->{path};
1308	local $self->{load_path};	1771	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1772
1312	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1313	}	1774	}
1314		1775
1315	sub normalise {	1776	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1363	return $self;	1824	return $self;
1364	}	1825	}
1365	}	1826	}
1366		1827
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1829	()
1369	}	1830	}
1370		1831
1371	sub init {	1832	sub init {
1372	my ($self) = @_;	1833	my ($self) = @_;
…		…
1415		1876
1416	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1418	}	1879	}
1419		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1420	sub unlink_save {	1889	sub unlink_save {
1421	my ($self) = @_;	1890	my ($self) = @_;
1422		1891
1423	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1896
1428	sub load_header_from($) {	1897	sub load_header_from($) {
1429	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1430		1899
1431	utf8::encode $path;	1900	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1437		1909
1438	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1439		1911
1440	1	1912	1
1441	}	1913	}
…		…
1480	$self->load_header_orig	1952	$self->load_header_orig
1481	or return;	1953	or return;
1482	$self->prepare_orig;	1954	$self->prepare_orig;
1483	}	1955	}
1484		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1485	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1961	unless $self->default_region;
1487		1962
1488	1	1963	1
1489	}	1964	}
…		…
1492	sub find {	1967	sub find {
1493	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1494		1969
1495	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1496		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1498		1974
1499	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1501	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1502	or return;	1980	or return;
1503		1981
1504	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1505		1983
1506	$map->load_header	1984	$map->load_header
1507	or return;	1985	or return;
1508		1986
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1512	$map->reset;	1992	$map->reset;
1513	undef $guard;
1514	return find $path;	1993	return find $path;
1515	}	1994	}
1516		1995
1517	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1518	}	1997	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1528		2007
1529	my $path = $self->{path};	2008	my $path = $self->{path};
1530		2009
1531	{	2010	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1533		2012
		2013	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		2015
1536	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1537		2017
1538	$self->alloc;	2018	$self->alloc;
1539		2019
1540	$self->pre_load;	2020	$self->pre_load;
1541	Coro::cede;	2021	cf::cede_to_tick;
1542		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1544	or return;	2026	or return;
1545		2027
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2029	if delete $self->{load_original};
1548		2030
1549	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2032	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2035	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1554	}	2039	}
1555	}	2040	}
1556		2041
1557	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1558	# now do the right thing for maps	2045	# now do the right thing for maps
1559	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2048	unless $self->difficulty;
1562	Coro::cede;	2049	cf::cede_to_tick;
1563		2050
1564	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2052	$self->decay_objects;
1566	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1567	$self->update_buttons;	2054	$self->update_buttons;
1568	Coro::cede;	2055	cf::cede_to_tick;
1569	$self->set_darkness_map;	2056	$self->set_darkness_map;
1570	Coro::cede;	2057	cf::cede_to_tick;
1571	$self->activate;	2058	$self->activate;
1572	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1573		2063
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2065	}
1576		2066
1577	$self->post_load;	2067	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1582		2072
1583	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2074	if $self->per_player;
1585		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1586	$self	2079	$self
1587	}	2080	}
1588		2081
1589	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2083	sub load_neighbours {
1591	my ($map) = @_;	2084	my ($map) = @_;
1592		2085
1593	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1594		2087
1595	for (0 .. 3) {	2088	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1597	or next;	2090	or next;
1598	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1599	or next;	2092	or next;
1600	$neigh->load;	2093	$neigh->load;
1601		2094
		2095	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2098	}
1605		2099
1606	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1608	or next;	2103	or next;
1609	$neigh->load;	2104	$neigh->load;
1610	}	2105	}
1611	}	2106	}
1612		2107
…		…
1617	}	2112	}
1618		2113
1619	sub do_load_sync {	2114	sub do_load_sync {
1620	my ($map) = @_;	2115	my ($map) = @_;
1621		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1622	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1623	}	2121	}
1624		2122
1625	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1627		2125
1628	sub find_async {	2126	sub find_async {
1629	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1630		2128
1631	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1632		2130
1633	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2133	}
1636		2134
1637	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1638	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1639	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2142	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2143	$map->load if $v;
		2144	}
1644		2145
1645	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1646	}	2147	}
1647	}	2148	}
1648	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1649	};	2150	};
1650	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2154	}
1654		2155
1655	sub save {	2156	sub save {
1656	my ($self) = @_;	2157	my ($self) = @_;
1657		2158
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2160
1660	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1661		2162
1662	return unless $self->dirty;	2163	return unless $self->dirty;
1663		2164
…		…
1669	return if $self->{deny_save};	2170	return if $self->{deny_save};
1670		2171
1671	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1672		2173
1673	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1675	};	2177	};
1676		2178
1677	if ($uniq) {	2179	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2188	my ($self) = @_;
1687		2189
1688	# save first because save cedes	2190	# save first because save cedes
1689	$self->save;	2191	$self->save;
1690		2192
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2194
1693	return if $self->players;	2195	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2197	return if $self->{deny_save};
1696		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2203	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2204	}
1700		2205
1701	sub reset_at {	2206	sub reset_at {
1702	my ($self) = @_;	2207	my ($self) = @_;
1703		2208
1704	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1707		2211
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2214
…		…
1721	my ($self) = @_;	2225	my ($self) = @_;
1722		2226
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2228
1725	return if $self->players;	2229	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2230
1728	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1729		2232
1730	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1731		2234
1732	# need to save uniques path	2235	# need to save uniques path
1733	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2240	if $uniq;
1738	}	2241	}
1739		2242
1740	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1741		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2247	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2248
1746	$self->unlink_save;	2249	$self->unlink_save;
1747	$self->destroy;	2250	$self->destroy;
1748	}	2251	}
1749		2252
1750	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1751		2254
1752	sub nuke {	2255	sub nuke {
1753	my ($self) = @_;	2256	my ($self) = @_;
1754		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1755	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1756		2262
1757	$self->unlink_save;	2263	$self->unlink_save;
1758		2264
1759	bless $self, "cf::map";	2265	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2270
1765	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1766		2273
1767	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1768	}	2311	}
1769		2312
1770	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1771		2314
1772	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2316	instantiated unique items. May block.
1774		2317
1775	=cut	2318	=cut
1776		2319
1777	sub unique_maps() {	2320	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2321	[
1779	or return;	2322	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2323	utf8::decode $_;
1785	next if /\.pst$/;	2324	/\.map$/
1786	next unless /^$PATH_SEP/o;	2325	? normalise $_
1787		2326	: ()
1788	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2328	]
1790
1791	\@paths
1792	}	2329	}
1793		2330
1794	package cf;	2331	package cf;
1795		2332
1796	=back	2333	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1815	}	2352	}
1816		2353
1817	sub inv_recursive {	2354	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1819	}	2384	}
1820		2385
1821	package cf;	2386	package cf;
1822		2387
1823	=back	2388	=back
…		…
1842		2407
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2409
1845	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1847	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1850	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1851	}	2435	}
1852		2436
1853	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1854		2438
1855	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1937		2521
1938	$map->load;	2522	$map->load;
1939	$map->load_diag;	2523	$map->load_neighbours;
1940		2524
1941	return unless $self->contr->active;	2525	return unless $self->contr->active;
1942	$self->activate_recursive;	2526	$self->activate_recursive;
1943		2527
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1946	}	2530	}
1947		2531
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2533
1950	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2537	the new (success) or old (failed) map position. In either case, $done will
		2538	be called at the end of this process.
1954		2539
1955	=cut	2540	=cut
1956		2541
1957	our $GOTOGEN;	2542	our $GOTOGEN;
1958		2543
1959	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2546
1962	# do generation counting so two concurrent goto's will be executed in-order	2547	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2549
1965	$self->enter_link;	2550	$self->enter_link;
1966		2551
1967	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
1968	my $map = eval {	2574	my $map = eval {
1969	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
1970		2576
1971	if ($map) {	2577	if ($map) {
1972	$map = $map->customise_for ($self);	2578	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2579	$map = $check->($map) if $check && $map;
1974	} else {	2580	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2582	}
1977		2583
1978	$map	2584	$map
1979	};	2585	};
1980		2586
…		…
1985		2591
1986	if ($gen == $self->{_goto_generation}) {	2592	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2593	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
1989	}	2595	}
		2596
		2597	$done->() if $done;
1990	})->prio (1);	2598	})->prio (1);
1991	}	2599	}
1992		2600
1993	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1994		2602
…		…
2031	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2032	}	2640	}
2033		2641
2034	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2035		2643
2036	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2037	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2039		2647
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2063	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2065		2673
2066	$self->enter_link;	2674	$self->enter_link;
2067		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
2068	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2069	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2684	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2072		2686
2073	1;	2687	1;
…		…
2099		2713
2100	utf8::encode $text;	2714	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2716	}
2103		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
2104	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2105		2843
2106	Sends an exti event to the client.	2844	Sends an ext event to the client.
2107		2845
2108	=cut	2846	=cut
2109		2847
2110	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2112		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
2115	}	2875	}
2116		2876
2117	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2118		2878
2119	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2882
2123	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2884	become reliable at some point in the future.
2125		2885
2126	=cut	2886	=cut
2127		2887
2128	sub cf::client::query {	2888	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2897	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2899
2140	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2142	}	2904	}
2143		2905
2144	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2145	on_reply => sub {	2912	on_reply => sub {
2146	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2147		2914
2148	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2149	# get handled first	2916	# get handled first
…		…
2161	} else {	2928	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2930	}
2164	}	2931	}
2165	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2166	);	2959	);
2167		2960
2168	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2169		2962
2170	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2213		3006
2214	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2215		3008
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2217		3014
2218	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2219		3016
2220	=pod	3017	=pod
2221		3018
2222	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2223		3020
2224	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2225	cf::object::player player	3025	cf::object::player
2226	cf::player peaceful	3026	player
2227	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2228		3033
2229	=cut	3034	=cut
2230		3035
2231	for (	3036	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2233	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2236	) {	3043	) {
2237	no strict 'refs';	3044	no strict 'refs';
…		…
2308	=back	3115	=back
2309		3116
2310	=cut	3117	=cut
2311		3118
2312	#############################################################################	3119	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3120	# the server's init and main functions
2486		3121
2487	sub load_facedata($) {	3122	sub load_facedata($) {
2488	my ($path) = @_;	3123	my ($path) = @_;
		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3130
2490	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2491		3132
2492	my $facedata;	3133	my $facedata;
2493	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2497		3138
2498	$facedata->{version} == 2	3139	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
2501	{	3149	{
2502	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2503		3151
2504	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3158
		3159	cf::cede_to_tick;
2510	}	3160	}
2511		3161
2512	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3163	next unless $info->{smooth};
2514	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2515	or next;	3165	or next;
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3169	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3171	}
2521	Coro::cede;	3172
		3173	cf::cede_to_tick;
2522	}	3174	}
2523	}	3175	}
2524		3176
2525	{	3177	{
2526	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2527		3179
2528	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3182	cf::cede_to_tick;
2531	}	3183	}
2532		3184
2533	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2534	}	3186	}
2535		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
2536	1	3237	1
2537	}	3238	}
2538		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2539	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2540	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3254	or die "unable to load regions file\n";
		3255
		3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
2542	}	3260	}
2543		3261
2544	sub reload_facedata {	3262	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2547	}	3265	}
2548		3266
2549	sub reload_archetypes {	3267	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3268	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
2552	}	3275	}
2553		3276
2554	sub reload_treasures {	3277	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3278	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3279	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	3282	sub reload_resources {
2560	warn "reloading resource files...\n";	3283	warn "reloading resource files...\n";
2561		3284
2562	reload_regions;	3285	reload_regions;
2563	reload_facedata;	3286	reload_facedata;
		3287	#reload_archetypes;#d#
2564	reload_archetypes;	3288	reload_archetypes;
2565	reload_treasures;	3289	reload_treasures;
2566		3290
2567	warn "finished reloading resource files\n";	3291	warn "finished reloading resource files\n";
2568	}	3292	}
2569		3293
2570	sub init {	3294	sub init {
2571	reload_resources;	3295	reload_resources;
2572	}	3296	}
2573		3297
2574	sub cfg_load {	3298	sub reload_config {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3300	or return;
2577		3301
2578	local $/;	3302	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2595	sub main {	3319	sub main {
2596	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3323	(async {
2600	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2602	};	3327	};
2603		3328
2604	cfg_load;	3329	reload_config;
2605	db_init;	3330	db_init;
2606	load_extensions;	3331	load_extensions;
2607		3332
2608	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2609	Event::loop;	3335	EV::loop;
2610	}	3336	}
2611		3337
2612	#############################################################################	3338	#############################################################################
2613	# initialisation and cleanup	3339	# initialisation and cleanup
2614		3340
2615	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2616	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2625	},
2626	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2627	}	3386	1
2628	}	3387	}
2629		3388
2630	sub emergency_save() {	3389	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2632		3391
…		…
2638	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2640	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3403	$pl->save;
2644	}	3404	}
2645	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2646		3406
2647	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2686	warn "syncing database to disk";	3446	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2688		3448
2689	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2690		3450
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2697	for (;;) {	3452	for (;;) {
2698	BDB::flush;	3453	BDB::flush;
2699	IO::AIO::flush;	3454	IO::AIO::flush;
2700	Coro::cede;	3455	Coro::cede_notself;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";	3457	warn "iterate...";
2703	}	3458	}
2704		3459
2705	++$RELOAD;	3460	++$RELOAD;
…		…
2709	%EXT_CORO = ();	3464	%EXT_CORO = ();
2710		3465
2711	warn "removing commands";	3466	warn "removing commands";
2712	%COMMAND = ();	3467	%COMMAND = ();
2713		3468
2714	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2715	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2716		3472
2717	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2720		3476
…		…
2763	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2764	require cf;	3520	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3522
2767	warn "loading config and database again";	3523	warn "loading config and database again";
2768	cf::cfg_load;	3524	cf::reload_config;
2769		3525
2770	warn "loading extensions";	3526	warn "loading extensions";
2771	cf::load_extensions;	3527	cf::load_extensions;
2772		3528
2773	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2793		3549
2794	sub reload_perl() {	3550	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2797		3553
2798	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799	reentrant => 0,
2800	after => 0,
2801	data => WF_AUTOCANCEL,
2802	cb => sub {
2803	do_reload_perl;
2804	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2805	},	3556	do_reload_perl;
2806	);	3557	};
2807	}	3558	}
2808		3559
2809	register_command "reload" => sub {	3560	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2811		3562
2812	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3567	reload_perl;
		3568	};
2815	}	3569	}
2816	};	3570	};
2817		3571
2818	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2819		3573
…		…
2838	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3594	$signal->wait;
2841	}	3595	}
2842		3596
2843	my $min = 1e6;#d#	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2855	return;	3601	return;
2856	}	3602	}
2857		3603
2858	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
2859		3605
2860	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2861		3607
2862	0 && sync_job {#d#	3608	$RUNTIME += $TICK;
2863	for(1..10) {	3609	$NEXT_TICK += $TICK;
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867		3610
2868	$map->width (50);	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869	$map->height (50);	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870	$map->alloc;	3613	Coro::async_pool {
2871	$map->_load_objects ("/tmp/x.map", 1);	3614	$Coro::current->{desc} = "runtime saver";
2872	my $t = Event::time - $t;	3615	write_runtime
2873		3616	or warn "ERROR: unable to write runtime file: $!";
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	3617	};
		3618	}
2884		3619
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3621	$sig->send;
2901	}	3622	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3624	$sig->send;
2904	}	3625	}
2905		3626
2906	$NOW = Event::time;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3629
2917	_post_tick;	3630	_post_tick;
2918		3631	};
2919		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2920	},
2921	);
2922		3633
2923	{	3634	{
2924	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	3636
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2934		3638	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		3639
2950	unless ($DB_ENV) {	3640	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3641	$DB_ENV = BDB::db_env_create;
		3642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3643	| BDB::LOG_AUTOREMOVE, 1);
		3644	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3645	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3646
2953	cf::sync_job {	3647	cf::sync_job {
2954	eval {	3648	eval {
2955	BDB::db_env_open	3649	BDB::db_env_open
2956	$DB_ENV,	3650	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3654	0666;
2961		3655
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	3657	};
2967		3658
2968	cf::cleanup "db_env_open(db): $@" if $@;	3659	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3660	};
2970	}	3661	}
		3662
		3663	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3664	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3665	};
		3666	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3667	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3668	};
		3669	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3670	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3671	};
2971	}	3672	}
2972		3673
2973	{	3674	{
		3675	# configure IO::AIO
		3676
2974	IO::AIO::min_parallel 8;	3677	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	3678	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	3679	}
2987		3680
2988	my $_log_backtrace;	3681	my $_log_backtrace;
2989		3682
2990	sub _log_backtrace {	3683	sub _log_backtrace {
…		…
2994		3687
2995	# limit the # of concurrent backtraces	3688	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	3689	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	3690	++$_log_backtrace;
2998	async {	3691	async {
		3692	$Coro::current->{desc} = "abt $msg";
		3693
2999	my @bt = fork_call {	3694	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	3695	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3696	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3697	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	3698	or die "addr2line: $!";

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