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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 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	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	512	=cut
401	utime undef, undef, $fh;	513
		514	sub fork_call(&@) {
		515	my ($cb, @args) = @_;
		516
		517	# we seemingly have to make a local copy of the whole thing,
		518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
		520
		521	my @res = Coro::Util::fork_eval {
		522	reset_signals;
		523	&$cb
		524	}, @args;
		525
		526	wantarray ? @res : $res[-1]
		527	}
		528
		529	=item $value = cf::db_get $family => $key
		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		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 $!;
402	}	556	};
		557	cf::cleanup "db_open(db): $@" if $@;
403		558
404	my $guard = cf::lock_acquire "write_runtime";	559	$db
		560	}
405		561
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	our $DB;
407	or return;
408		563
409	my $value = $cf::RUNTIME + 90 + 10;	564	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	565	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	566	$DB ||= db_table "db";
		567	};
		568	}
412		569
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	sub db_get($$) {
414	and return;	571	my $key = "$_[0]/$_[1]";
415		572
416	# always fsync - this file is important	573	cf::sync_job {
417	aio_fsync $fh	574	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		575
420	# touch it again to show we are up-to-date	576	$! ? ()
421	utime undef, undef, $fh;	577	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		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"
432	}	654	}
433		655
434	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
435		657
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
456		678
457	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>
458	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
459	crossfire+).	681	Deliantra).
460		682
461	=over 4	683	=over 4
462		684
463	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
464		686
…		…
666	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
667	}	889	}
668		890
669	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
670	} else {	892	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	894	}
673		895
674	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
675	}	897	}
676		898
…		…
716	";	938	";
717	die if $@;	939	die if $@;
718	}	940	}
719		941
720	our $override;	942	our $override;
721	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?
722		944
723	sub override {	945	sub override {
724	$override = 1;	946	$override = 1;
725	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
726	}	948	}
727		949
728	sub do_invoke {	950	sub do_invoke {
729	my $event = shift;	951	my $event = shift;
730	my $callbacks = shift;	952	my $callbacks = shift;
731		953
732	@invoke_results = ();	954	@INVOKE_RESULTS = ();
733		955
734	local $override;	956	local $override;
735		957
736	for (@$callbacks) {	958	for (@$callbacks) {
737	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
754		976
755	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
756		978
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		982
761	=back	983	=back
762		984
763	=cut	985	=cut
764		986
765	#############################################################################	987	#############################################################################
766	# 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, $ob2
		1030	}
767		1031
768	sub reattach {	1032	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1034	my ($obj) = @_;
771		1035
…		…
792	cf::attachable->attach (	1056	cf::attachable->attach (
793	prio => -1000000,	1057	prio => -1000000,
794	on_instantiate => sub {	1058	on_instantiate => sub {
795	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
796		1060
797	$data = from_json $data;	1061	$data = decode_json $data;
798		1062
799	for (@$data) {	1063	for (@$data) {
800	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
801		1065
802	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1082	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
820		1084
821	sync_job {	1085	sync_job {
822	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
825		1090
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1095	close $fh;
831		1096
832	if (@$objs) {	1097	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1103	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
840	}	1105	}
…		…
848	}	1113	}
849	} else {	1114	} else {
850	aio_unlink $filename;	1115	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
852	}	1117	}
853	}	1118	};
854	}	1119	}
855		1120
856	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
858		1123
…		…
870	or return;	1135	or return;
871		1136
872	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
874	or return;	1139	or return;
		1140
875	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
876	}	1143	}
877		1144
		1145	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
880	return ($data, $av);	1149	($data, $av)
881	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
882		1157
883	#############################################################################	1158	#############################################################################
884	# command handling &c	1159	# command handling &c
885		1160
886	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1175	}
901		1176
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1178
904	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.
905		1184
906	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
907	called.	1186	called.
908		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
909	=cut	1199	=cut
910		1200
911	sub register_extcmd {	1201	sub register_extcmd {
912	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
913		1203
914	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
915	}	1211	}
916		1212
917	cf::player->attach (	1213	cf::player->attach (
918	on_command => sub {	1214	on_command => sub {
919	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1224	cf::override;
929	},	1225	},
930	on_extcmd => sub {	1226	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
932		1228
933	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1230
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
941	} else {	1246	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1248	}
944		1249
945	cf::override;	1250	cf::override;
946	},	1251	},
947	);	1252	);
948		1253
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
984	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1259	next unless -r $path;
986	eval {	1260
987	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	$progress = 1;
988	1	1318	}
989	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
990	}	1324	};
991	}	1325	}
992		1326
993	#############################################################################	1327	#############################################################################
994		1328
		1329	=back
		1330
995	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
996		1332
997	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
998		1334
999	=cut	1335	=cut
…		…
1003	use Coro::AIO;	1339	use Coro::AIO;
1004		1340
1005	=head3 cf::player	1341	=head3 cf::player
1006		1342
1007	=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	}
1008		1358
1009	=item cf::player::find $login	1359	=item cf::player::find $login
1010		1360
1011	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
1012		1362
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1402
1053	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1056	}	1411	}
1057	}	1412	}
1058	}	1413	}
1059		1414
…		…
1069		1424
1070	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1072		1427
1073	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1074	Coro::cede;	1429	cf::cede_to_tick;
1075	}	1430	}
1076		1431
1077	sub new($) {	1432	sub new($) {
1078	my ($login) = @_;	1433	my ($login) = @_;
1079		1434
…		…
1083	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1084		1439
1085	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1086		1441
1087	$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 (@_);
1088	}	1453	}
1089		1454
1090	=item $pl->quit_character	1455	=item $pl->quit_character
1091		1456
1092	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
…		…
1147	or return [];	1512	or return [];
1148		1513
1149	my @logins;	1514	my @logins;
1150		1515
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1155		1525
1156	utf8::decode $login;	1526	utf8::decode $login;
1157	push @logins, $login;	1527	push @logins, $login;
1158	}	1528	}
1159		1529
…		…
1186	}	1556	}
1187		1557
1188	\@paths	1558	\@paths
1189	}	1559	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1192		1655
1193	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1194		1657
1195	=cut	1658	=cut
1196		1659
1197	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1199		1662
1200	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1664	}
1204		1665
1205	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1206		1667
1207	Sends an ext event to the client.	1668	Sends an ext event to the client.
1208		1669
1209	=cut	1670	=cut
1210		1671
1211	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1213		1674
1214	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1215	}	1676	}
1216		1677
1217	=head3 cf::region	1678	=head3 cf::region
1218		1679
1219	=over 4	1680	=over 4
…		…
1222		1683
1223	package cf::region;	1684	package cf::region;
1224		1685
1225	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1226		1687
1227	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1228		1689
1229	=cut	1690	=cut
1230		1691
1231	sub find_by_path($) {	1692	sub find_by_path($) {
1232	my ($path) = @_;	1693	my ($path) = @_;
1233		1694
1234	my ($match, $specificity);	1695	my ($match, $specificity);
1235		1696
1236	for my $region (list) {	1697	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1240	}	1701	}
1241	}	1702	}
1242		1703
…		…
1306	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1307		1768
1308	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1309	local $self->{path};	1770	local $self->{path};
1310	local $self->{load_path};	1771	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1772
1314	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1315	}	1774	}
1316		1775
1317	sub normalise {	1776	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1365	return $self;	1824	return $self;
1366	}	1825	}
1367	}	1826	}
1368		1827
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1829	()
1371	}	1830	}
1372		1831
1373	sub init {	1832	sub init {
1374	my ($self) = @_;	1833	my ($self) = @_;
…		…
1417		1876
1418	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1420	}	1879	}
1421		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1422	sub unlink_save {	1889	sub unlink_save {
1423	my ($self) = @_;	1890	my ($self) = @_;
1424		1891
1425	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1896
1430	sub load_header_from($) {	1897	sub load_header_from($) {
1431	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1432		1899
1433	utf8::encode $path;	1900	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1909
1440	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1441		1911
1442	1	1912	1
1443	}	1913	}
…		…
1482	$self->load_header_orig	1952	$self->load_header_orig
1483	or return;	1953	or return;
1484	$self->prepare_orig;	1954	$self->prepare_orig;
1485	}	1955	}
1486		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
1487	$self->default_region (cf::region::find_by_path $self->{path})	1960	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1961	unless $self->default_region;
1489		1962
1490	1	1963	1
1491	}	1964	}
…		…
1494	sub find {	1967	sub find {
1495	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1496		1969
1497	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1498		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1500		1974
1501	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1504	or return;	1980	or return;
1505		1981
1506	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1507		1983
1508	$map->load_header	1984	$map->load_header
1509	or return;	1985	or return;
1510		1986
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1514	$map->reset;	1992	$map->reset;
1515	undef $guard;
1516	return find $path;	1993	return find $path;
1517	}	1994	}
1518		1995
1519	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1520	}	1997	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1530		2007
1531	my $path = $self->{path};	2008	my $path = $self->{path};
1532		2009
1533	{	2010	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1535		2012
		2013	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		2015
1538	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1539		2017
1540	$self->alloc;	2018	$self->alloc;
1541		2019
1542	$self->pre_load;	2020	$self->pre_load;
1543	Coro::cede;	2021	cf::cede_to_tick;
1544		2022
		2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	2025	$self->_load_objects ($f)
1546	or return;	2026	or return;
1547		2027
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	2029	if delete $self->{load_original};
1550		2030
1551	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2032	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2035	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1556	}	2039	}
1557	}	2040	}
1558		2041
1559	Coro::cede;	2042	$f->resolve_delayed_derefs;
		2043
		2044	cf::cede_to_tick;
1560	# now do the right thing for maps	2045	# now do the right thing for maps
1561	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2048	unless $self->difficulty;
1564	Coro::cede;	2049	cf::cede_to_tick;
1565		2050
1566	unless ($self->{deny_activate}) {	2051	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2052	$self->decay_objects;
1568	$self->fix_auto_apply;	2053	$self->fix_auto_apply;
1569	$self->update_buttons;	2054	$self->update_buttons;
1570	Coro::cede;	2055	cf::cede_to_tick;
1571	$self->set_darkness_map;	2056	$self->set_darkness_map;
1572	Coro::cede;	2057	cf::cede_to_tick;
1573	$self->activate;	2058	$self->activate;
1574	}	2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
1575		2063
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2064	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	2065	}
1578		2066
1579	$self->post_load;	2067	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1584		2072
1585	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2074	if $self->per_player;
1587		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1588	$self	2079	$self
1589	}	2080	}
1590		2081
1591	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	2083	sub load_neighbours {
1593	my ($map) = @_;	2084	my ($map) = @_;
1594		2085
1595	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1596		2087
1597	for (0 .. 3) {	2088	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1599	or next;	2090	or next;
1600	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1601	or next;	2092	or next;
1602	$neigh->load;	2093	$neigh->load;
1603		2094
		2095	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2098	}
1607		2099
1608	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1610	or next;	2103	or next;
1611	$neigh->load;	2104	$neigh->load;
1612	}	2105	}
1613	}	2106	}
1614		2107
…		…
1619	}	2112	}
1620		2113
1621	sub do_load_sync {	2114	sub do_load_sync {
1622	my ($map) = @_;	2115	my ($map) = @_;
1623		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1624	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1625	}	2121	}
1626		2122
1627	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1629		2125
1630	sub find_async {	2126	sub find_async {
1631	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1632		2128
1633	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1634		2130
1635	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2133	}
1638		2134
1639	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1640	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1641	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2142	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2143	$map->load if $v;
		2144	}
1646		2145
1647	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1648	}	2147	}
1649	}	2148	}
1650	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1651	};	2150	};
1652	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2154	}
1656		2155
1657	sub save {	2156	sub save {
1658	my ($self) = @_;	2157	my ($self) = @_;
1659		2158
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2160
1662	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1663		2162
1664	return unless $self->dirty;	2163	return unless $self->dirty;
1665		2164
…		…
1671	return if $self->{deny_save};	2170	return if $self->{deny_save};
1672		2171
1673	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1674		2173
1675	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1677	};	2177	};
1678		2178
1679	if ($uniq) {	2179	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2188	my ($self) = @_;
1689		2189
1690	# save first because save cedes	2190	# save first because save cedes
1691	$self->save;	2191	$self->save;
1692		2192
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2194
1695	return if $self->players;	2195	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2197	return if $self->{deny_save};
1698		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2203	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2204	}
1702		2205
1703	sub reset_at {	2206	sub reset_at {
1704	my ($self) = @_;	2207	my ($self) = @_;
1705		2208
1706	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1709		2211
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2214
…		…
1723	my ($self) = @_;	2225	my ($self) = @_;
1724		2226
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2228
1727	return if $self->players;	2229	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2230
1730	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1731		2232
1732	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1733		2234
1734	# need to save uniques path	2235	# need to save uniques path
1735	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2240	if $uniq;
1740	}	2241	}
1741		2242
1742	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1743		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2247	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2248
1748	$self->unlink_save;	2249	$self->unlink_save;
1749	$self->destroy;	2250	$self->destroy;
1750	}	2251	}
1751		2252
1752	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1753		2254
1754	sub nuke {	2255	sub nuke {
1755	my ($self) = @_;	2256	my ($self) = @_;
1756		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1757	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1758		2262
1759	$self->unlink_save;	2263	$self->unlink_save;
1760		2264
1761	bless $self, "cf::map";	2265	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2270
1767	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1768		2273
1769	$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	]
1770	}	2311	}
1771		2312
1772	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1773		2314
1774	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2316	instantiated unique items. May block.
1776		2317
1777	=cut	2318	=cut
1778		2319
1779	sub unique_maps() {	2320	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2321	[
1781	or return;	2322	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2323	utf8::decode $_;
1787	next if /\.pst$/;	2324	/\.map$/
1788	next unless /^$PATH_SEP/o;	2325	? normalise $_
1789		2326	: ()
1790	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2328	]
1792
1793	\@paths
1794	}	2329	}
1795		2330
1796	package cf;	2331	package cf;
1797		2332
1798	=back	2333	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1817	}	2352	}
1818		2353
1819	sub inv_recursive {	2354	sub inv_recursive {
1820	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	}
1821	}	2384	}
1822		2385
1823	package cf;	2386	package cf;
1824		2387
1825	=back	2388	=back
…		…
1844		2407
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2409
1847	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1852	}	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 (@_);
1853	}	2435	}
1854		2436
1855	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1856		2438
1857	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1905		2487
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2489
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1910		2492
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2494	}
1913		2495
1914	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1916		2500
1917	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1918		2502
1919	unless ($map) {	2503	unless ($map) {
1920	# restore original map position	2504	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1935	($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, $y);
1946	}	2530	}
1947		2531
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2533
1982	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
1983	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
1984	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
1985	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.
1986		2539
1987	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1988		2543
1989	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
1991		2546
1992	#d# #TODO#	2547	# do generation counting so two concurrent goto's will be executed in-order
1993	if ($check && !ref $check) {	2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1994	warn Carp::longmess "goto called with non-ref check argument";#d#
1995	undef $check;
1996	}
1997		2549
1998	$self->enter_link;	2550	$self->enter_link;
1999		2551
2000	(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
2001	my $map = eval {	2574	my $map = eval {
2002	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
2003		2576
2004	if ($map) {	2577	if ($map) {
2005	$map = $map->customise_for ($self);	2578	$map = $map->customise_for ($self);
2006	$map = $check->($map) if $check && $map;	2579	$map = $check->($map) if $check && $map;
2007	} else {	2580	} else {
2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009	}	2582	}
2010		2583
2011	$map	2584	$map
2012	};	2585	};
2013		2586
2014	if ($@) {	2587	if ($@) {
2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016	LOG llevError | logBacktrace, Carp::longmess $@;	2589	LOG llevError | logBacktrace, Carp::longmess $@;
2017	}	2590	}
2018		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
2019	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
2020	})->prio (1);	2598	})->prio (1);
2021	}	2599	}
2022		2600
2023	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
2024		2602
…		…
2061	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
2062	}	2640	}
2063		2641
2064	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
2065		2643
2066	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
2067	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
2068	my $meta = "$RANDOMDIR/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
2069		2647
2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
…		…
2093	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
2094	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
2095		2673
2096	$self->enter_link;	2674	$self->enter_link;
2097		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
2098	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
2099	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
2100	unless (eval {	2684	unless (eval {
2101	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
2102		2686
2103	1;	2687	1;
…		…
2129		2713
2130	utf8::encode $text;	2714	utf8::encode $text;
2131	$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);
2132	}	2716	}
2133		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
2134	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2135		2843
2136	Sends an exti event to the client.	2844	Sends an ext event to the client.
2137		2845
2138	=cut	2846	=cut
2139		2847
2140	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2141	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2142		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2143	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2144	$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	}
2145	}	2875	}
2146		2876
2147	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2148		2878
2149	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2150	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>,
2151	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>.
2152		2882
2153	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
2154	reliable at some point in the future.	2884	become reliable at some point in the future.
2155		2885
2156	=cut	2886	=cut
2157		2887
2158	sub cf::client::query {	2888	sub cf::client::query {
2159	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2167	utf8::encode $text;	2897	utf8::encode $text;
2168	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169		2899
2170	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2171	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2172	}	2904	}
2173		2905
2174	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	},
2175	on_reply => sub {	2912	on_reply => sub {
2176	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2177		2914
2178	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2179	# get handled first	2916	# get handled first
…		…
2191	} else {	2928	} else {
2192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193	}	2930	}
2194	}	2931	}
2195	},	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	},
2196	);	2959	);
2197		2960
2198	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2199		2962
2200	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2241	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2242	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2243		3006
2244	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2245		3008
2246	$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	));
2247		3014
2248	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2249		3016
2250	=pod	3017	=pod
2251		3018
2252	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2253		3020
2254	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
2255	cf::object::player player	3025	cf::object::player
2256	cf::player peaceful	3026	player
2257	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2258		3033
2259	=cut	3034	=cut
2260		3035
2261	for (	3036	for (
2262	["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)],
2263	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2264	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2265	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2266	) {	3043	) {
2267	no strict 'refs';	3044	no strict 'refs';
…		…
2338	=back	3115	=back
2339		3116
2340	=cut	3117	=cut
2341		3118
2342	#############################################################################	3119	#############################################################################
2343
2344	=head2 EXTENSION DATABASE SUPPORT
2345
2346	Crossfire maintains a very simple database for extension use. It can
2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348	convert to/from binary).
2349
2350	The parameter C<$family> should best start with the name of the extension
2351	using it, it should be unique.
2352
2353	=over 4
2354
2355	=item $value = cf::db_get $family => $key
2356
2357	Returns a single value from the database.
2358
2359	=item cf::db_put $family => $key => $value
2360
2361	Stores the given C<$value> in the family.
2362
2363	=cut
2364
2365	our $DB;
2366
2367	sub db_init {
2368	unless ($DB) {
2369	$DB = BDB::db_create $DB_ENV;
2370
2371	cf::sync_job {
2372	eval {
2373	$DB->set_flags (BDB::CHKSUM);
2374
2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377	cf::cleanup "db_open(db): $!" if $!;
2378	};
2379	cf::cleanup "db_open(db): $@" if $@;
2380	};
2381	}
2382	}
2383
2384	sub db_get($$) {
2385	my $key = "$_[0]/$_[1]";
2386
2387	cf::sync_job {
2388	BDB::db_get $DB, undef, $key, my $data;
2389
2390	$! ? ()
2391	: $data
2392	}
2393	}
2394
2395	sub db_put($$$) {
2396	BDB::dbreq_pri 4;
2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398	}
2399
2400	=item cf::cache $id => [$paths...], $processversion => $process
2401
2402	Generic caching function that returns the value of the resource $id,
2403	caching and regenerating as required.
2404
2405	This function can block.
2406
2407	=cut
2408
2409	sub cache {
2410	my ($id, $src, $processversion, $process) = @_;
2411
2412	my $meta =
2413	join "\x00",
2414	$processversion,
2415	map {
2416	aio_stat $_
2417	and Carp::croak "$_: $!";
2418
2419	($_, (stat _)[7,9])
2420	} @$src;
2421
2422	my $dbmeta = db_get cache => "$id/meta";
2423	if ($dbmeta ne $meta) {
2424	# changed, we may need to process
2425
2426	my @data;
2427	my $md5;
2428
2429	for (0 .. $#$src) {
2430	0 <= aio_load $src->[$_], $data[$_]
2431	or Carp::croak "$src->[$_]: $!";
2432	}
2433
2434	# if processing is expensive, check
2435	# checksum first
2436	if (1) {
2437	$md5 =
2438	join "\x00",
2439	$processversion,
2440	map {
2441	Coro::cede;
2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
2443	} 0.. $#$src;
2444
2445
2446	my $dbmd5 = db_get cache => "$id/md5";
2447	if ($dbmd5 eq $md5) {
2448	db_put cache => "$id/meta", $meta;
2449
2450	return db_get cache => "$id/data";
2451	}
2452	}
2453
2454	my $t1 = Time::HiRes::time;
2455	my $data = $process->(\@data);
2456	my $t2 = Time::HiRes::time;
2457
2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460	db_put cache => "$id/data", $data;
2461	db_put cache => "$id/md5" , $md5;
2462	db_put cache => "$id/meta", $meta;
2463
2464	return $data;
2465	}
2466
2467	db_get cache => "$id/data"
2468	}
2469
2470	=item fork_call { }, $args
2471
2472	Executes the given code block with the given arguments in a seperate
2473	process, returning the results. Everything must be serialisable with
2474	Coro::Storable. May, of course, block. Note that the executed sub may
2475	never block itself or use any form of Event handling.
2476
2477	=cut
2478
2479	sub fork_call(&@) {
2480	my ($cb, @args) = @_;
2481
2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483	# or die "socketpair: $!";
2484	pipe my $fh1, my $fh2
2485	or die "pipe: $!";
2486
2487	if (my $pid = fork) {
2488	close $fh2;
2489
2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491	$res = Coro::Storable::thaw $res;
2492
2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495	die $$res unless "ARRAY" eq ref $res;
2496
2497	return wantarray ? @$res : $res->[-1];
2498	} else {
2499	reset_signals;
2500	local $SIG{__WARN__};
2501	local $SIG{__DIE__};
2502	eval {
2503	close $fh1;
2504
2505	my @res = eval { $cb->(@args) };
2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507	};
2508
2509	warn $@ if $@;
2510	_exit 0;
2511	}
2512	}
2513
2514
2515
2516	#############################################################################
2517	# the server's init and main functions	3120	# the server's init and main functions
2518		3121
2519	sub load_facedata($) {	3122	sub load_facedata($) {
2520	my ($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;
2521		3130
2522	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2523		3132
2524	my $facedata;	3133	my $facedata;
2525	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2528	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2529		3138
2530	$facedata->{version} == 2	3139	$facedata->{version} == 2
2531	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2532		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
2533	{	3149	{
2534	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2535		3151
2536	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2541	Coro::cede;	3158
		3159	cf::cede_to_tick;
2542	}	3160	}
2543		3161
2544	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2545	next unless $info->{smooth};	3163	next unless $info->{smooth};
2546	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2547	or next;	3165	or next;
2548	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550	} else {	3169	} else {
2551	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2552	}	3171	}
2553	Coro::cede;	3172
		3173	cf::cede_to_tick;
2554	}	3174	}
2555	}	3175	}
2556		3176
2557	{	3177	{
2558	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2559		3179
2560	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2561	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2562	Coro::cede;	3182	cf::cede_to_tick;
2563	}	3183	}
2564		3184
2565	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2566	}	3186	}
2567		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 => $face;
		3233	}
		3234	}
		3235	}
		3236
2568	1	3237	1
2569	}	3238	}
2570		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
2571	sub reload_regions {	3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
2572	load_resource_file "$MAPDIR/regions"	3253	load_resource_file "$MAPDIR/regions"
2573	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 $_->{match};
		3259	}
2574	}	3260	}
2575		3261
2576	sub reload_facedata {	3262	sub reload_facedata {
2577	load_facedata "$DATADIR/facedata"	3263	load_facedata "$DATADIR/facedata"
2578	or die "unable to load facedata\n";	3264	or die "unable to load facedata\n";
2579	}	3265	}
2580		3266
2581	sub reload_archetypes {	3267	sub reload_archetypes {
2582	load_resource_file "$DATADIR/archetypes"	3268	load_resource_file "$DATADIR/archetypes"
2583	or die "unable to load archetypes\n";	3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
2584	}	3275	}
2585		3276
2586	sub reload_treasures {	3277	sub reload_treasures {
2587	load_resource_file "$DATADIR/treasures"	3278	load_resource_file "$DATADIR/treasures"
2588	or die "unable to load treasurelists\n";	3279	or die "unable to load treasurelists\n";
…		…
2591	sub reload_resources {	3282	sub reload_resources {
2592	warn "reloading resource files...\n";	3283	warn "reloading resource files...\n";
2593		3284
2594	reload_regions;	3285	reload_regions;
2595	reload_facedata;	3286	reload_facedata;
		3287	#reload_archetypes;#d#
2596	reload_archetypes;	3288	reload_archetypes;
2597	reload_treasures;	3289	reload_treasures;
2598		3290
2599	warn "finished reloading resource files\n";	3291	warn "finished reloading resource files\n";
2600	}	3292	}
2601		3293
2602	sub init {	3294	sub init {
2603	reload_resources;	3295	reload_resources;
2604	}	3296	}
2605		3297
2606	sub cfg_load {	3298	sub reload_config {
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2608	or return;	3300	or return;
2609		3301
2610	local $/;	3302	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
…		…
2627	sub main {	3319	sub main {
2628	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2630	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#
2631	(async {	3323	(async {
2632	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2634	};	3327	};
2635		3328
2636	cfg_load;	3329	reload_config;
2637	db_init;	3330	db_init;
2638	load_extensions;	3331	load_extensions;
2639		3332
2640	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2641	Event::loop;	3335	EV::loop;
2642	}	3336	}
2643		3337
2644	#############################################################################	3338	#############################################################################
2645	# initialisation and cleanup	3339	# initialisation and cleanup
2646		3340
2647	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2648	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2657	},
2658	);	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
2659	}	3386	1
2660	}	3387	}
2661		3388
2662	sub emergency_save() {	3389	sub emergency_save() {
2663	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2664		3391
…		…
2670	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2671	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2672	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2673	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2674	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675	$pl->save;	3403	$pl->save;
2676	}	3404	}
2677	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2678		3406
2679	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2718	warn "syncing database to disk";	3446	warn "syncing database to disk";
2719	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2720		3448
2721	# 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
2722		3450
2723	warn "cancelling all WF_AUTOCANCEL watchers";
2724	for (Event::all_watchers) {
2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2726	}
2727
2728	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2729	for (;;) {	3452	for (;;) {
2730	BDB::flush;	3453	BDB::flush;
2731	IO::AIO::flush;	3454	IO::AIO::flush;
2732	Coro::cede;	3455	Coro::cede_notself;
2733	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2734	warn "iterate...";	3457	warn "iterate...";
2735	}	3458	}
2736		3459
2737	++$RELOAD;	3460	++$RELOAD;
…		…
2741	%EXT_CORO = ();	3464	%EXT_CORO = ();
2742		3465
2743	warn "removing commands";	3466	warn "removing commands";
2744	%COMMAND = ();	3467	%COMMAND = ();
2745		3468
2746	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2747	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2748		3472
2749	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2750	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2751	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2752		3476
…		…
2795	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2796	require cf;	3520	require cf;
2797	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2798		3522
2799	warn "loading config and database again";	3523	warn "loading config and database again";
2800	cf::cfg_load;	3524	cf::reload_config;
2801		3525
2802	warn "loading extensions";	3526	warn "loading extensions";
2803	cf::load_extensions;	3527	cf::load_extensions;
2804		3528
2805	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2825		3549
2826	sub reload_perl() {	3550	sub reload_perl() {
2827	# doing reload synchronously and two reloads happen back-to-back,	3551	# doing reload synchronously and two reloads happen back-to-back,
2828	# coro crashes during coro_state_free->destroy here.	3552	# coro crashes during coro_state_free->destroy here.
2829		3553
2830	$RELOAD_WATCHER ||= Event->timer (	3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2831	reentrant => 0,
2832	after => 0,
2833	data => WF_AUTOCANCEL,
2834	cb => sub {
2835	do_reload_perl;
2836	undef $RELOAD_WATCHER;	3555	undef $RELOAD_WATCHER;
2837	},	3556	do_reload_perl;
2838	);	3557	};
2839	}	3558	}
2840		3559
2841	register_command "reload" => sub {	3560	register_command "reload" => sub {
2842	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2843		3562
2844	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2845	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
		3565	async {
		3566	$Coro::current->{desc} = "perl_reload";
2846	async { reload_perl };	3567	reload_perl;
		3568	};
2847	}	3569	}
2848	};	3570	};
2849		3571
2850	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2851		3573
…		…
2870	my $signal = new Coro::Signal;	3592	my $signal = new Coro::Signal;
2871	push @WAIT_FOR_TICK_BEGIN, $signal;	3593	push @WAIT_FOR_TICK_BEGIN, $signal;
2872	$signal->wait;	3594	$signal->wait;
2873	}	3595	}
2874		3596
2875	my $min = 1e6;#d#	3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2876	my $avg = 10;
2877	$TICK_WATCHER = Event->timer (
2878	reentrant => 0,
2879	parked => 1,
2880	prio => 0,
2881	at => $NEXT_TICK || $TICK,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2885	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2887	return;	3601	return;
2888	}	3602	}
2889		3603
2890	$NOW = $tick_start = Event::time;	3604	$NOW = $tick_start = EV::now;
2891		3605
2892	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
2893		3607
2894	0 && sync_job {#d#	3608	$RUNTIME += $TICK;
2895	for(1..10) {	3609	$NEXT_TICK += $TICK;
2896	my $t = Event::time;
2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2898	or die;
2899		3610
2900	$map->width (50);	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$map->height (50);	3612	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2902	$map->alloc;	3613	Coro::async_pool {
2903	$map->_load_objects ("/tmp/x.map", 1);	3614	$Coro::current->{desc} = "runtime saver";
2904	my $t = Event::time - $t;	3615	write_runtime
2905		3616	or warn "ERROR: unable to write runtime file: $!";
2906	#next unless $t < 0.0013;#d#
2907	if ($t < $min) {
2908	$min = $t;
2909	}
2910	$avg = $avg * 0.99 + $t * 0.01;
2911	}
2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913	exit 0;
2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915	};	3617	};
		3618	}
2916		3619
2917	$RUNTIME += $TICK;
2918	$NEXT_TICK += $TICK;
2919
2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2922	Coro::async_pool {
2923	write_runtime
2924	or warn "ERROR: unable to write runtime file: $!";
2925	};
2926	}
2927
2928	# my $AFTER = Event::time;
2929	# warn $AFTER - $NOW;#d#
2930
2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932	$sig->send;	3621	$sig->send;
2933	}	3622	}
2934	while (my $sig = shift @WAIT_FOR_TICK) {	3623	while (my $sig = shift @WAIT_FOR_TICK) {
2935	$sig->send;	3624	$sig->send;
2936	}	3625	}
2937		3626
2938	$NOW = Event::time;
2939
2940	# if we are delayed by four ticks or more, skip them all
2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943	$TICK_WATCHER->at ($NEXT_TICK);
2944	$TICK_WATCHER->start;
2945
2946	$LOAD = ($NOW - $tick_start) / $TICK;	3627	$LOAD = ($NOW - $tick_start) / $TICK;
2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948		3629
2949	_post_tick;	3630	_post_tick;
2950		3631	};
2951		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2952	},
2953	);
2954		3633
2955	{	3634	{
2956	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2957	$BDB_POLL_WATCHER = Event->io (	3636
2958	reentrant => 0,
2959	fd => BDB::poll_fileno,
2960	poll => 'r',
2961	prio => 0,
2962	data => WF_AUTOCANCEL,
2963	cb => \&BDB::poll_cb,
2964	);
2965	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2966		3638	BDB::max_poll_reqs $TICK * 0.1;
2967	BDB::set_sync_prepare {	3639	$Coro::BDB::WATCHER->priority (1);
2968	my $status;
2969	my $current = $Coro::current;
2970	(
2971	sub {
2972	$status = $!;
2973	$current->ready; undef $current;
2974	},
2975	sub {
2976	Coro::schedule while defined $current;
2977	$! = $status;
2978	},
2979	)
2980	};
2981		3640
2982	unless ($DB_ENV) {	3641	unless ($DB_ENV) {
2983	$DB_ENV = BDB::db_env_create;	3642	$DB_ENV = BDB::db_env_create;
		3643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3644	| BDB::LOG_AUTOREMOVE, 1);
		3645	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3646	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984		3647
2985	cf::sync_job {	3648	cf::sync_job {
2986	eval {	3649	eval {
2987	BDB::db_env_open	3650	BDB::db_env_open
2988	$DB_ENV,	3651	$DB_ENV,
…		…
2990	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3653	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3654	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992	0666;	3655	0666;
2993		3656
2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3657	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997	$DB_ENV->set_lk_detect;
2998	};	3658	};
2999		3659
3000	cf::cleanup "db_env_open(db): $@" if $@;	3660	cf::cleanup "db_env_open(db): $@" if $@;
3001	};	3661	};
3002	}	3662	}
		3663
		3664	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3665	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3666	};
		3667	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3668	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3669	};
		3670	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3671	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3672	};
3003	}	3673	}
3004		3674
3005	{	3675	{
		3676	# configure IO::AIO
		3677
3006	IO::AIO::min_parallel 8;	3678	IO::AIO::min_parallel 8;
3007
3008	undef $Coro::AIO::WATCHER;
3009	IO::AIO::max_poll_time $TICK * 0.1;	3679	IO::AIO::max_poll_time $TICK * 0.1;
3010	$AIO_POLL_WATCHER = Event->io (	3680	$Coro::AIO::WATCHER->priority (1);
3011	reentrant => 0,
3012	data => WF_AUTOCANCEL,
3013	fd => IO::AIO::poll_fileno,
3014	poll => 'r',
3015	prio => 6,
3016	cb => \&IO::AIO::poll_cb,
3017	);
3018	}	3681	}
3019		3682
3020	my $_log_backtrace;	3683	my $_log_backtrace;
3021		3684
3022	sub _log_backtrace {	3685	sub _log_backtrace {
…		…
3026		3689
3027	# limit the # of concurrent backtraces	3690	# limit the # of concurrent backtraces
3028	if ($_log_backtrace < 2) {	3691	if ($_log_backtrace < 2) {
3029	++$_log_backtrace;	3692	++$_log_backtrace;
3030	async {	3693	async {
		3694	$Coro::current->{desc} = "abt $msg";
		3695
3031	my @bt = fork_call {	3696	my @bt = fork_call {
3032	@addr = map { sprintf "%x", $_ } @addr;	3697	@addr = map { sprintf "%x", $_ } @addr;
3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3698	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3699	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035	or die "addr2line: $!";	3700	or die "addr2line: $!";

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