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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.385 by root, Fri Oct 12 19:13:26 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;
10	use Event;	9	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 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
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::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	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	173	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.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
…		…
390	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
391		483
392	$coro	484	$coro
393	}	485	}
394		486
395	sub write_runtime {	487	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		488
398	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
400		493
401	IO::AIO::aio_utime $runtime, undef, undef;	494	=cut
402		495
403	my $guard = cf::lock_acquire "write_runtime";	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
404		498
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	499	# we seemingly have to make a local copy of the whole thing,
406	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
407		502
408	my $value = $cf::RUNTIME + 90 + 10;	503	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	504	reset_signals;
410	# 60 allows for the watchdog to kill the server.	505	&$cb
		506	}, @args;
411		507
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	508	wantarray ? @res : $res[-1]
413	and return;	509	}
414		510
415	# always fsync - this file is important	511	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		512
419	# touch it again to show we are up-to-date	513	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		514
422	close $fh	515	=item cf::db_put $family => $key => $value
423	or return;
424		516
425	aio_rename "$runtime~", $runtime	517	Stores the given C<$value> in the family. It can currently store binary
426	and return;	518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		519
428	warn "runtime file written.\n";	520	=item $db = cf::db_table "name"
429		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
430	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
431	}	636	}
432		637
433	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
434		639
435	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
455		660
456	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	663	Crossfire TRT).
459		664
460	=over 4	665	=over 4
461		666
462	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
463		668
…		…
715	";	920	";
716	die if $@;	921	die if $@;
717	}	922	}
718		923
719	our $override;	924	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		926
722	sub override {	927	sub override {
723	$override = 1;	928	$override = 1;
724	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
725	}	930	}
726		931
727	sub do_invoke {	932	sub do_invoke {
728	my $event = shift;	933	my $event = shift;
729	my $callbacks = shift;	934	my $callbacks = shift;
730		935
731	@invoke_results = ();	936	@INVOKE_RESULTS = ();
732		937
733	local $override;	938	local $override;
734		939
735	for (@$callbacks) {	940	for (@$callbacks) {
736	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
753		958
754	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
755		960
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		964
760	=back	965	=back
761		966
762	=cut	967	=cut
763		968
764	#############################################################################	969	#############################################################################
765	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	return 1;#d#
		977
		978	#todo#d# kill yourself and do some recursive checking manually without storable
		979	sync_job {
		980	my $guard = Coro::Storable::guard;
		981	local $Storable::canonical = 1;
		982	my $fob1 = Storable::freeze $ob1;
		983	my $fob2 = Storable::freeze $ob2;
		984	$fob1 eq $fob2
		985	}
		986	}
766		987
767	sub reattach {	988	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	989	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	990	my ($obj) = @_;
770		991
…		…
817	sub object_freezer_save {	1038	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1039	my ($filename, $rdata, $objs) = @_;
819		1040
820	sync_job {	1041	sync_job {
821	if (length $$rdata) {	1042	if (length $$rdata) {
		1043	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1044	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1045	$decname, length $$rdata, scalar @$objs;
824		1046
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1047	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1048	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1049	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1050	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1051	close $fh;
830		1052
831	if (@$objs) {	1053	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1054	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1055	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1056	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1057	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1058	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1059	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1060	aio_rename "$filename.pst~", "$filename.pst";
839	}	1061	}
…		…
847	}	1069	}
848	} else {	1070	} else {
849	aio_unlink $filename;	1071	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1072	aio_unlink "$filename.pst";
851	}	1073	}
852	}	1074	};
853	}	1075	}
854		1076
855	sub object_freezer_as_string {	1077	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1078	my ($rdata, $objs) = @_;
857		1079
…		…
869	or return;	1091	or return;
870		1092
871	unless (aio_stat "$filename.pst") {	1093	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1094	(aio_load "$filename.pst", $av) >= 0
873	or return;	1095	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };
875	}
876		1096
		1097	my $st = eval { Coro::Storable::thaw $av }
		1098	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1099	$av = $st->{objs};
		1100	}
		1101
		1102	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1103	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1104	$decname, length $data, scalar @{$av || []};
		1105
879	return ($data, $av);	1106	($data, $av)
880	}	1107	}
		1108
		1109	=head2 COMMAND CALLBACKS
		1110
		1111	=over 4
		1112
		1113	=cut
881		1114
882	#############################################################################	1115	#############################################################################
883	# command handling &c	1116	# command handling &c
884		1117
885	=item cf::register_command $name => \&callback($ob,$args);	1118	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1131	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1132	}
900		1133
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1134	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1135
903	Register a callbackf ro execution when the client sends an extcmd packet.	1136	Register a callback for execution when the client sends an (synchronous)
		1137	extcmd packet. Ext commands will be processed in the order they are
		1138	received by the server, like other user commands. The first argument is
		1139	the logged-in player. Ext commands can only be processed after a player
		1140	has logged in successfully.
904		1141
905	If the callback returns something, it is sent back as if reply was being	1142	If the callback returns something, it is sent back as if reply was being
906	called.	1143	called.
907		1144
		1145	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1146
		1147	Register a callback for execution when the client sends an (asynchronous)
		1148	exticmd packet. Exti commands are processed by the server as soon as they
		1149	are received, i.e. out of order w.r.t. other commands. The first argument
		1150	is a client socket. Exti commands can be received anytime, even before
		1151	log-in.
		1152
		1153	If the callback returns something, it is sent back as if reply was being
		1154	called.
		1155
908	=cut	1156	=cut
909		1157
910	sub register_extcmd {	1158	sub register_extcmd {
911	my ($name, $cb) = @_;	1159	my ($name, $cb) = @_;
912		1160
913	$EXTCMD{$name} = $cb;	1161	$EXTCMD{$name} = $cb;
		1162	}
		1163
		1164	sub register_exticmd {
		1165	my ($name, $cb) = @_;
		1166
		1167	$EXTICMD{$name} = $cb;
914	}	1168	}
915		1169
916	cf::player->attach (	1170	cf::player->attach (
917	on_command => sub {	1171	on_command => sub {
918	my ($pl, $name, $params) = @_;	1172	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1181	cf::override;
928	},	1182	},
929	on_extcmd => sub {	1183	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1184	my ($pl, $buf) = @_;
931		1185
932	my $msg = eval { from_json $buf };	1186	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1187
934	if (ref $msg) {	1188	if (ref $msg) {
		1189	my ($type, $reply, @payload) =
		1190	"ARRAY" eq ref $msg
		1191	? @$msg
		1192	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1193
		1194	my @reply;
		1195
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1196	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1197	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1198	}
		1199
		1200	$pl->ext_reply ($reply, @reply)
		1201	if $reply;
		1202
940	} else {	1203	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1204	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1205	}
943		1206
944	cf::override;	1207	cf::override;
…		…
1018	};	1281	};
1019	}	1282	}
1020		1283
1021	#############################################################################	1284	#############################################################################
1022		1285
		1286	=back
		1287
1023	=head2 CORE EXTENSIONS	1288	=head2 CORE EXTENSIONS
1024		1289
1025	Functions and methods that extend core crossfire objects.	1290	Functions and methods that extend core crossfire objects.
1026		1291
1027	=cut	1292	=cut
…		…
1031	use Coro::AIO;	1296	use Coro::AIO;
1032		1297
1033	=head3 cf::player	1298	=head3 cf::player
1034		1299
1035	=over 4	1300	=over 4
		1301
		1302	=item cf::player::num_playing
		1303
		1304	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1305
		1306	=cut
		1307
		1308	sub num_playing {
		1309	scalar grep
		1310	$_->ob->map
		1311	&& !$_->hidden
		1312	&& !$_->ob->flag (cf::FLAG_WIZ),
		1313	cf::player::list
		1314	}
1036		1315
1037	=item cf::player::find $login	1316	=item cf::player::find $login
1038		1317
1039	Returns the given player object, loading it if necessary (might block).	1318	Returns the given player object, loading it if necessary (might block).
1040		1319
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1355	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1356	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1357	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1358	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1359
1081	my $pl = load_pl path $login	1360	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1361	or return;
		1362
		1363	my $pl = cf::player::load_pl $f
		1364	or return;
		1365	local $cf::PLAYER_LOADING{$login} = $pl;
		1366	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1367	$cf::PLAYER{$login} = $pl
1084	}	1368	}
1085	}	1369	}
1086	}	1370	}
1087		1371
…		…
1097		1381
1098	aio_mkdir playerdir $pl, 0770;	1382	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1383	$pl->{last_save} = $cf::RUNTIME;
1100		1384
1101	$pl->save_pl ($path);	1385	$pl->save_pl ($path);
1102	Coro::cede;	1386	cf::cede_to_tick;
1103	}	1387	}
1104		1388
1105	sub new($) {	1389	sub new($) {
1106	my ($login) = @_;	1390	my ($login) = @_;
1107		1391
…		…
1111	$self->{deny_save} = 1;	1395	$self->{deny_save} = 1;
1112		1396
1113	$cf::PLAYER{$login} = $self;	1397	$cf::PLAYER{$login} = $self;
1114		1398
1115	$self	1399	$self
		1400	}
		1401
		1402	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1403
		1404	=cut
		1405
		1406	sub send_msg {
		1407	my $ns = shift->ns
		1408	or return;
		1409	$ns->send_msg (@_);
1116	}	1410	}
1117		1411
1118	=item $pl->quit_character	1412	=item $pl->quit_character
1119		1413
1120	Nukes the player without looking back. If logged in, the connection will	1414	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1469	or return [];
1176		1470
1177	my @logins;	1471	my @logins;
1178		1472
1179	for my $login (@$dirs) {	1473	for my $login (@$dirs) {
		1474	my $path = path $login;
		1475
		1476	# a .pst is a dead give-away for a valid player
		1477	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1478	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1479	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1480	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1481	}
1183		1482
1184	utf8::decode $login;	1483	utf8::decode $login;
1185	push @logins, $login;	1484	push @logins, $login;
1186	}	1485	}
1187		1486
…		…
1214	}	1513	}
1215		1514
1216	\@paths	1515	\@paths
1217	}	1516	}
1218		1517
		1518	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1519
		1520	Expand crossfire pod fragments into protocol xml.
		1521
		1522	=cut
		1523
		1524	sub expand_cfpod {
		1525	((my $self), (local $_)) = @_;
		1526
		1527	# escape & and <
		1528	s/&/&amp;/g;
		1529	s/(?<![BIUGHT])</&lt;/g;
		1530
		1531	# this is buggy, it needs to properly take care of nested <'s
		1532
		1533	1 while
		1534	# replace B<>, I<>, U<> etc.
		1535	s/B<([^\>]*)>/<b>$1<\/b>/
		1536	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1537	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1538	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1539	# replace G<male|female> tags
		1540	|| s{G<([^>|]*)\|([^>]*)>}{
		1541	$self->gender ? $2 : $1
		1542	}ge
		1543	# replace H<hint text>
		1544	|| s{H<([^\>]*)>}
		1545	{
		1546	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1547	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1548	"")
		1549	[$self->{hintmode}]
		1550	}ge;
		1551
		1552	# create single paragraphs (very hackish)
		1553	s/(?<=\S)\n(?=\w)/ /g;
		1554
		1555	# compress some whitespace
		1556	s/\s+\n/\n/g; # ws line-ends
		1557	s/\n\n+/\n/g; # double lines
		1558	s/^\n+//; # beginning lines
		1559	s/\n+$//; # ending lines
		1560
		1561	$_
		1562	}
		1563
		1564	sub hintmode {
		1565	$_[0]{hintmode} = $_[1] if @_ > 1;
		1566	$_[0]{hintmode}
		1567	}
		1568
1219	=item $player->ext_reply ($msgid, %msg)	1569	=item $player->ext_reply ($msgid, @msg)
1220		1570
1221	Sends an ext reply to the player.	1571	Sends an ext reply to the player.
1222		1572
1223	=cut	1573	=cut
1224		1574
1225	sub ext_reply($$%) {	1575	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1576	my ($self, $id, @msg) = @_;
1227		1577
1228	$msg{msgid} = $id;	1578	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1579	}
1232		1580
1233	=item $player->ext_event ($type, %msg)	1581	=item $player->ext_msg ($type, @msg)
1234		1582
1235	Sends an ext event to the client.	1583	Sends an ext event to the client.
1236		1584
1237	=cut	1585	=cut
1238		1586
1239	sub ext_event($$%) {	1587	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1588	my ($self, $type, @msg) = @_;
1241		1589
1242	$self->ns->ext_event ($type, %msg);	1590	$self->ns->ext_msg ($type, @msg);
1243	}	1591	}
1244		1592
1245	=head3 cf::region	1593	=head3 cf::region
1246		1594
1247	=over 4	1595	=over 4
…		…
1250		1598
1251	package cf::region;	1599	package cf::region;
1252		1600
1253	=item cf::region::find_by_path $path	1601	=item cf::region::find_by_path $path
1254		1602
1255	Tries to decuce the probable region for a map knowing only its path.	1603	Tries to decuce the likely region for a map knowing only its path.
1256		1604
1257	=cut	1605	=cut
1258		1606
1259	sub find_by_path($) {	1607	sub find_by_path($) {
1260	my ($path) = @_;	1608	my ($path) = @_;
1261		1609
1262	my ($match, $specificity);	1610	my ($match, $specificity);
1263		1611
1264	for my $region (list) {	1612	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1613	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1614	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1615	if $region->specificity > $specificity;
1268	}	1616	}
1269	}	1617	}
1270		1618
…		…
1390	$self->init; # pass $1 etc.	1738	$self->init; # pass $1 etc.
1391	return $self;	1739	return $self;
1392	}	1740	}
1393	}	1741	}
1394		1742
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1743	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1744	()
1397	}	1745	}
1398		1746
1399	sub init {	1747	sub init {
1400	my ($self) = @_;	1748	my ($self) = @_;
…		…
1463		1811
1464	sub load_header_from($) {	1812	sub load_header_from($) {
1465	my ($self, $path) = @_;	1813	my ($self, $path) = @_;
1466		1814
1467	utf8::encode $path;	1815	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1816	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1817	or return;
		1818
		1819	$self->_load_header ($f)
		1820	or return;
		1821
		1822	local $MAP_LOADING{$self->{path}} = $self;
		1823	$f->resolve_delayed_derefs;
1473		1824
1474	$self->{load_path} = $path;	1825	$self->{load_path} = $path;
1475		1826
1476	1	1827	1
1477	}	1828	}
…		…
1531	sub find {	1882	sub find {
1532	my ($path, $origin) = @_;	1883	my ($path, $origin) = @_;
1533		1884
1534	$path = normalise $path, $origin && $origin->path;	1885	$path = normalise $path, $origin && $origin->path;
1535		1886
		1887	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1888	cf::lock_wait "map_find:$path";
1537		1889
1538	$cf::MAP{$path} || do {	1890	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	1891	my $guard1 = cf::lock_acquire "map_find:$path";
		1892	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1893
1540	my $map = new_from_path cf::map $path	1894	my $map = new_from_path cf::map $path
1541	or return;	1895	or return;
1542		1896
1543	$map->{last_save} = $cf::RUNTIME;	1897	$map->{last_save} = $cf::RUNTIME;
1544		1898
…		…
1546	or return;	1900	or return;
1547		1901
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1902	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1903	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1904	#$cf::WAIT_FOR_TICK->wait;
		1905	undef $guard1;
		1906	undef $guard2;
1551	$map->reset;	1907	$map->reset;
1552	undef $guard;
1553	return find $path;	1908	return find $path;
1554	}	1909	}
1555		1910
1556	$cf::MAP{$path} = $map	1911	$cf::MAP{$path} = $map
1557	}	1912	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	1921	local $self->{deny_reset} = 1; # loading can take a long time
1567		1922
1568	my $path = $self->{path};	1923	my $path = $self->{path};
1569		1924
1570	{	1925	{
1571	my $guard = cf::lock_acquire "map_load:$path";	1926	my $guard = cf::lock_acquire "map_data:$path";
1572		1927
		1928	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	1929	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		1930
1575	$self->in_memory (cf::MAP_LOADING);	1931	$self->in_memory (cf::MAP_LOADING);
1576		1932
1577	$self->alloc;	1933	$self->alloc;
1578		1934
1579	$self->pre_load;	1935	$self->pre_load;
1580	Coro::cede;	1936	cf::cede_to_tick;
1581		1937
		1938	my $f = new_from_file cf::object::thawer $self->{load_path};
		1939	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	1940	$self->_load_objects ($f)
1583	or return;	1941	or return;
1584		1942
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1943	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	1944	if delete $self->{load_original};
1587		1945
1588	if (my $uniq = $self->uniq_path) {	1946	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	1947	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	1948	unless (aio_stat $uniq) {
		1949	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	1950	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	1951	$self->_load_objects ($f);
		1952	$f->resolve_delayed_derefs;
		1953	}
1593	}	1954	}
1594	}	1955	}
1595		1956
1596	Coro::cede;	1957	$f->resolve_delayed_derefs;
		1958
		1959	cf::cede_to_tick;
1597	# now do the right thing for maps	1960	# now do the right thing for maps
1598	$self->link_multipart_objects;	1961	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	1962	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	1963	unless $self->difficulty;
1601	Coro::cede;	1964	cf::cede_to_tick;
1602		1965
1603	unless ($self->{deny_activate}) {	1966	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	1967	$self->decay_objects;
1605	$self->fix_auto_apply;	1968	$self->fix_auto_apply;
1606	$self->update_buttons;	1969	$self->update_buttons;
1607	Coro::cede;	1970	cf::cede_to_tick;
1608	$self->set_darkness_map;	1971	$self->set_darkness_map;
1609	Coro::cede;	1972	cf::cede_to_tick;
1610	$self->activate;	1973	$self->activate;
1611	}	1974	}
		1975
		1976	$self->{last_save} = $cf::RUNTIME;
		1977	$self->last_access ($cf::RUNTIME);
1612		1978
1613	$self->in_memory (cf::MAP_IN_MEMORY);	1979	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	1980	}
1615		1981
1616	$self->post_load;	1982	$self->post_load;
…		…
1627		1993
1628	$self	1994	$self
1629	}	1995	}
1630		1996
1631	# find and load all maps in the 3x3 area around a map	1997	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	1998	sub load_neighbours {
1633	my ($map) = @_;	1999	my ($map) = @_;
1634		2000
1635	my @diag; # diagonal neighbours	2001	my @neigh; # diagonal neighbours
1636		2002
1637	for (0 .. 3) {	2003	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2004	my $neigh = $map->tile_path ($_)
1639	or next;	2005	or next;
1640	$neigh = find $neigh, $map	2006	$neigh = find $neigh, $map
1641	or next;	2007	or next;
1642	$neigh->load;	2008	$neigh->load;
1643		2009
		2010	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2011	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2012	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2013	}
1647		2014
1648	for (@diag) {	2015	for (grep defined $_->[0], @neigh) {
		2016	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2017	my $neigh = find $path, $origin
1650	or next;	2018	or next;
1651	$neigh->load;	2019	$neigh->load;
1652	}	2020	}
1653	}	2021	}
1654		2022
…		…
1659	}	2027	}
1660		2028
1661	sub do_load_sync {	2029	sub do_load_sync {
1662	my ($map) = @_;	2030	my ($map) = @_;
1663		2031
		2032	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2033	if $Coro::current == $Coro::main;
		2034
1664	cf::sync_job { $map->load };	2035	cf::sync_job { $map->load };
1665	}	2036	}
1666		2037
1667	our %MAP_PREFETCH;	2038	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2039	our $MAP_PREFETCHER = undef;
1669		2040
1670	sub find_async {	2041	sub find_async {
1671	my ($path, $origin) = @_;	2042	my ($path, $origin, $load) = @_;
1672		2043
1673	$path = normalise $path, $origin && $origin->{path};	2044	$path = normalise $path, $origin && $origin->{path};
1674		2045
1675	if (my $map = $cf::MAP{$path}) {	2046	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2047	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2048	}
1678		2049
1679	undef $MAP_PREFETCH{$path};	2050	$MAP_PREFETCH{$path} |= $load;
		2051
1680	$MAP_PREFETCHER ||= cf::async {	2052	$MAP_PREFETCHER ||= cf::async {
		2053	$Coro::current->{desc} = "map prefetcher";
		2054
1681	while (%MAP_PREFETCH) {	2055	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2056	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2057	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2058	$map->load if $v;
		2059	}
1686		2060
1687	delete $MAP_PREFETCH{$path};	2061	delete $MAP_PREFETCH{$k};
1688	}	2062	}
1689	}	2063	}
1690	undef $MAP_PREFETCHER;	2064	undef $MAP_PREFETCHER;
1691	};	2065	};
1692	$MAP_PREFETCHER->prio (6);	2066	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2069	}
1696		2070
1697	sub save {	2071	sub save {
1698	my ($self) = @_;	2072	my ($self) = @_;
1699		2073
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2074	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2075
1702	$self->{last_save} = $cf::RUNTIME;	2076	$self->{last_save} = $cf::RUNTIME;
1703		2077
1704	return unless $self->dirty;	2078	return unless $self->dirty;
1705		2079
…		…
1711	return if $self->{deny_save};	2085	return if $self->{deny_save};
1712		2086
1713	local $self->{last_access} = $self->last_access;#d#	2087	local $self->{last_access} = $self->last_access;#d#
1714		2088
1715	cf::async {	2089	cf::async {
		2090	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2091	$_->contr->save for $self->players;
1717	};	2092	};
1718		2093
1719	if ($uniq) {	2094	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2095	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2103	my ($self) = @_;
1729		2104
1730	# save first because save cedes	2105	# save first because save cedes
1731	$self->save;	2106	$self->save;
1732		2107
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2108	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2109
1735	return if $self->players;	2110	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2111	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2112	return if $self->{deny_save};
1738		2113
		2114	$self->in_memory (cf::MAP_SWAPPED);
		2115
		2116	$self->deactivate;
		2117	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2118	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2119	}
1742		2120
1743	sub reset_at {	2121	sub reset_at {
1744	my ($self) = @_;	2122	my ($self) = @_;
1745		2123
…		…
1777	if $uniq;	2155	if $uniq;
1778	}	2156	}
1779		2157
1780	delete $cf::MAP{$self->path};	2158	delete $cf::MAP{$self->path};
1781		2159
		2160	$self->deactivate;
		2161	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2162	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2163
1786	$self->unlink_save;	2164	$self->unlink_save;
1787	$self->destroy;	2165	$self->destroy;
1788	}	2166	}
1789		2167
1790	my $nuke_counter = "aaaa";	2168	my $nuke_counter = "aaaa";
1791		2169
1792	sub nuke {	2170	sub nuke {
1793	my ($self) = @_;	2171	my ($self) = @_;
1794		2172
		2173	{
		2174	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2175
1795	delete $cf::MAP{$self->path};	2176	delete $cf::MAP{$self->path};
1796		2177
1797	$self->unlink_save;	2178	$self->unlink_save;
1798		2179
1799	bless $self, "cf::map";	2180	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2181	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2182	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2183	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2184	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2185
1805	$cf::MAP{$self->path} = $self;	2186	$cf::MAP{$self->path} = $self;
		2187	}
1806		2188
1807	$self->reset; # polite request, might not happen	2189	$self->reset; # polite request, might not happen
1808	}	2190	}
1809		2191
1810	=item $maps = cf::map::tmp_maps	2192	=item $maps = cf::map::tmp_maps
…		…
1886		2268
1887	sub inv_recursive {	2269	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2270	inv_recursive_ inv $_[0]
1889	}	2271	}
1890		2272
		2273	=item $ref = $ob->ref
		2274
		2275	creates and returns a persistent reference to an objetc that can be stored as a string.
		2276
		2277	=item $ob = cf::object::deref ($refstring)
		2278
		2279	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2280	even if the object actually exists. May block.
		2281
		2282	=cut
		2283
		2284	sub deref {
		2285	my ($ref) = @_;
		2286
		2287	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2288	my ($uuid, $name) = ($1, $2);
		2289	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2290	or return;
		2291	$pl->ob->uuid eq $uuid
		2292	or return;
		2293
		2294	$pl->ob
		2295	} else {
		2296	warn "$ref: cannot resolve object reference\n";
		2297	undef
		2298	}
		2299	}
		2300
1891	package cf;	2301	package cf;
1892		2302
1893	=back	2303	=back
1894		2304
1895	=head3 cf::object::player	2305	=head3 cf::object::player
…		…
1912		2322
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2323	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2324
1915	if ($self->{record_replies}) {	2325	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2326	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2327
1917	} else {	2328	} else {
		2329	my $pl = $self->contr;
		2330
		2331	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2332	my $dialog = $pl->{npc_dialog};
		2333	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2334
		2335	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2336	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2337	$self->message ($msg, $flags);
		2338	}
1920	}	2339	}
		2340	}
		2341
		2342	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2343
		2344	=cut
		2345
		2346	sub cf::object::send_msg {
		2347	my $pl = shift->contr
		2348	or return;
		2349	$pl->send_msg (@_);
1921	}	2350	}
1922		2351
1923	=item $player_object->may ("access")	2352	=item $player_object->may ("access")
1924		2353
1925	Returns wether the given player is authorized to access resource "access"	2354	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2433	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2434	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2435	if $x <=0 && $y <= 0;
2007		2436
2008	$map->load;	2437	$map->load;
2009	$map->load_diag;	2438	$map->load_neighbours;
2010		2439
2011	return unless $self->contr->active;	2440	return unless $self->contr->active;
2012	$self->activate_recursive;	2441	$self->activate_recursive;
2013		2442
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2443	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2444	$self->enter_map ($map, $x, $y);
2016	}	2445	}
2017		2446
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2447	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2448
2020	Moves the player to the given map-path and coordinates by first freezing	2449	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2450	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2451	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2452	the new (success) or old (failed) map position. In either case, $done will
		2453	be called at the end of this process.
2024		2454
2025	=cut	2455	=cut
2026		2456
2027	our $GOTOGEN;	2457	our $GOTOGEN;
2028		2458
2029	sub cf::object::player::goto {	2459	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2460	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2461
2032	# do generation counting so two concurrent goto's will be executed in-order	2462	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2463	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2464
2035	$self->enter_link;	2465	$self->enter_link;
2036		2466
2037	(async {	2467	(async {
		2468	$Coro::current->{desc} = "player::goto $path $x $y";
		2469
		2470	# *tag paths override both path and x|y
		2471	if ($path =~ /^\*(.*)$/) {
		2472	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2473	my $ob = $obs[rand @obs];
		2474
		2475	# see if we actually can go there
		2476	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2477	$ob = $obs[rand @obs];
		2478	} else {
		2479	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2480	}
		2481	# else put us there anyways for now #d#
		2482
		2483	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2484	} else {
		2485	($path, $x, $y) = (undef, undef, undef);
		2486	}
		2487	}
		2488
2038	my $map = eval {	2489	my $map = eval {
2039	my $map = cf::map::find $path;	2490	my $map = defined $path ? cf::map::find $path : undef;
2040		2491
2041	if ($map) {	2492	if ($map) {
2042	$map = $map->customise_for ($self);	2493	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2494	$map = $check->($map) if $check && $map;
2044	} else {	2495	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2496	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2497	}
2047		2498
2048	$map	2499	$map
2049	};	2500	};
2050		2501
…		…
2055		2506
2056	if ($gen == $self->{_goto_generation}) {	2507	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2508	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2509	$self->leave_link ($map, $x, $y);
2059	}	2510	}
		2511
		2512	$done->() if $done;
2060	})->prio (1);	2513	})->prio (1);
2061	}	2514	}
2062		2515
2063	=item $player_object->enter_exit ($exit_object)	2516	=item $player_object->enter_exit ($exit_object)
2064		2517
…		…
2133	my $hp = $exit->stats->hp;	2586	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2587	my $sp = $exit->stats->sp;
2135		2588
2136	$self->enter_link;	2589	$self->enter_link;
2137		2590
		2591	# if exit is damned, update players death & WoR home-position
		2592	$self->contr->savebed ($slaying, $hp, $sp)
		2593	if $exit->flag (FLAG_DAMNED);
		2594
2138	(async {	2595	(async {
		2596	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2597
2139	$self->deactivate_recursive; # just to be sure	2598	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2599	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2600	$self->goto ($slaying, $hp, $sp);
2142		2601
2143	1;	2602	1;
…		…
2169		2628
2170	utf8::encode $text;	2629	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2630	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2631	}
2173		2632
		2633	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2634
		2635	Send a drawinfo or msg packet to the client, formatting the msg for the
		2636	client if neccessary. C<$type> should be a string identifying the type of
		2637	the message, with C<log> being the default. If C<$color> is negative, suppress
		2638	the message unless the client supports the msg packet.
		2639
		2640	=cut
		2641
		2642	our %CHANNEL = (
		2643	"c/identify" => {
		2644	id => "infobox",
		2645	title => "Identify",
		2646	reply => undef,
		2647	tooltip => "Items recently identified",
		2648	},
		2649	"c/examine" => {
		2650	id => "infobox",
		2651	title => "Examine",
		2652	reply => undef,
		2653	tooltip => "Signs and other items you examined",
		2654	},
		2655	"c/lookat" => {
		2656	id => "infobox",
		2657	title => "Look",
		2658	reply => undef,
		2659	tooltip => "What you saw there",
		2660	},
		2661	);
		2662
		2663	sub cf::client::send_msg {
		2664	my ($self, $channel, $msg, $color, @extra) = @_;
		2665
		2666	$msg = $self->pl->expand_cfpod ($msg);
		2667
		2668	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2669
		2670	# check predefined channels, for the benefit of C
		2671	if ($CHANNEL{$channel}) {
		2672	$channel = $CHANNEL{$channel};
		2673
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676
		2677	$channel = $channel->{id};
		2678
		2679	} elsif (ref $channel) {
		2680	# send meta info to client, if not yet sent
		2681	unless (exists $self->{channel}{$channel->{id}}) {
		2682	$self->{channel}{$channel->{id}} = $channel;
		2683	$self->ext_msg (channel_info => $channel)
		2684	if $self->can_msg;
		2685	}
		2686
		2687	$channel = $channel->{id};
		2688	}
		2689
		2690	return unless @extra || length $msg;
		2691
		2692	if ($self->can_msg) {
		2693	# default colour, mask it out
		2694	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2695	if $color & cf::NDI_DEF;
		2696
		2697	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2698	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2699	} else {
		2700	if ($color >= 0) {
		2701	# replace some tags by gcfclient-compatible ones
		2702	for ($msg) {
		2703	1 while
		2704	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2705	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2706	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2707	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2708	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2709	}
		2710
		2711	$color &= cf::NDI_COLOR_MASK;
		2712
		2713	utf8::encode $msg;
		2714
		2715	if (0 && $msg =~ /\[/) {
		2716	# COMMAND/INFO
		2717	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2718	} else {
		2719	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2720	$self->send_packet ("drawinfo $color $msg")
		2721	}
		2722	}
		2723	}
		2724	}
		2725
2174	=item $client->ext_event ($type, %msg)	2726	=item $client->ext_msg ($type, @msg)
2175		2727
2176	Sends an exti event to the client.	2728	Sends an ext event to the client.
2177		2729
2178	=cut	2730	=cut
2179		2731
2180	sub cf::client::ext_event($$%) {	2732	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2733	my ($self, $type, @msg) = @_;
2182		2734
		2735	if ($self->extcmd == 2) {
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2737	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2738	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2739	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2740	}
		2741	}
		2742
		2743	=item $client->ext_reply ($msgid, @msg)
		2744
		2745	Sends an ext reply to the client.
		2746
		2747	=cut
		2748
		2749	sub cf::client::ext_reply($$@) {
		2750	my ($self, $id, @msg) = @_;
		2751
		2752	if ($self->extcmd == 2) {
		2753	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2754	} elsif ($self->extcmd == 1) {
		2755	#TODO: version 1, remove
		2756	unshift @msg, msgtype => "reply", msgid => $id;
		2757	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2758	}
2185	}	2759	}
2186		2760
2187	=item $success = $client->query ($flags, "text", \&cb)	2761	=item $success = $client->query ($flags, "text", \&cb)
2188		2762
2189	Queues a query to the client, calling the given callback with	2763	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2764	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2765	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2766
2193	Queries can fail, so check the return code. Or don't, as queries will become	2767	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2768	become reliable at some point in the future.
2195		2769
2196	=cut	2770	=cut
2197		2771
2198	sub cf::client::query {	2772	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2773	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2781	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2782	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2783
2210	$self->send_packet ($self->{query_queue}[0][0])	2784	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2785	if @{ $self->{query_queue} } == 1;
		2786
		2787	1
2212	}	2788	}
2213		2789
2214	cf::client->attach (	2790	cf::client->attach (
		2791	on_connect => sub {
		2792	my ($ns) = @_;
		2793
		2794	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2795	},
2215	on_reply => sub {	2796	on_reply => sub {
2216	my ($ns, $msg) = @_;	2797	my ($ns, $msg) = @_;
2217		2798
2218	# this weird shuffling is so that direct followup queries	2799	# this weird shuffling is so that direct followup queries
2219	# get handled first	2800	# get handled first
…		…
2231	} else {	2812	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2813	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2814	}
2234	}	2815	}
2235	},	2816	},
		2817	on_exticmd => sub {
		2818	my ($ns, $buf) = @_;
		2819
		2820	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2821
		2822	if (ref $msg) {
		2823	my ($type, $reply, @payload) =
		2824	"ARRAY" eq ref $msg
		2825	? @$msg
		2826	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2827
		2828	my @reply;
		2829
		2830	if (my $cb = $EXTICMD{$type}) {
		2831	@reply = $cb->($ns, @payload);
		2832	}
		2833
		2834	$ns->ext_reply ($reply, @reply)
		2835	if $reply;
		2836
		2837	} else {
		2838	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2839	}
		2840
		2841	cf::override;
		2842	},
2236	);	2843	);
2237		2844
2238	=item $client->async (\&cb)	2845	=item $client->async (\&cb)
2239		2846
2240	Create a new coroutine, running the specified callback. The coroutine will	2847	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	2888	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	2889	our $safe_hole = new Safe::Hole;
2283		2890
2284	$SIG{FPE} = 'IGNORE';	2891	$SIG{FPE} = 'IGNORE';
2285		2892
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2893	$safe->permit_only (Opcode::opset qw(
		2894	:base_core :base_mem :base_orig :base_math
		2895	grepstart grepwhile mapstart mapwhile
		2896	sort time
		2897	));
2287		2898
2288	# here we export the classes and methods available to script code	2899	# here we export the classes and methods available to script code
2289		2900
2290	=pod	2901	=pod
2291		2902
2292	The following functions and methods are available within a safe environment:	2903	The following functions and methods are available within a safe environment:
2293		2904
2294	cf::object contr pay_amount pay_player map	2905	cf::object
		2906	contr pay_amount pay_player map x y force_find force_add destroy
		2907	insert remove name archname title slaying race decrease_ob_nr
		2908
2295	cf::object::player player	2909	cf::object::player
2296	cf::player peaceful	2910	player
2297	cf::map trigger	2911
		2912	cf::player
		2913	peaceful
		2914
		2915	cf::map
		2916	trigger
2298		2917
2299	=cut	2918	=cut
2300		2919
2301	for (	2920	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	2921	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2922	insert remove inv name archname title slaying race
		2923	decrease_ob_nr destroy)],
2303	["cf::object::player" => qw(player)],	2924	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	2925	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	2926	["cf::map" => qw(trigger)],
2306	) {	2927	) {
2307	no strict 'refs';	2928	no strict 'refs';
…		…
2378	=back	2999	=back
2379		3000
2380	=cut	3001	=cut
2381		3002
2382	#############################################################################	3003	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3004	# the server's init and main functions
2556		3005
2557	sub load_facedata($) {	3006	sub load_facedata($) {
2558	my ($path) = @_;	3007	my ($path) = @_;
		3008
		3009	# HACK to clear player env face cache, we need some signal framework
		3010	# for this (global event?)
		3011	%ext::player_env::MUSIC_FACE_CACHE = ();
		3012
		3013	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3014
2560	warn "loading facedata from $path\n";	3015	warn "loading facedata from $path\n";
2561		3016
2562	my $facedata;	3017	my $facedata;
2563	0 < aio_load $path, $facedata	3018	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3021	$facedata = Coro::Storable::thaw $facedata;
2567		3022
2568	$facedata->{version} == 2	3023	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3024	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3025
		3026	# patch in the exptable
		3027	$facedata->{resource}{"res/exp_table"} = {
		3028	type => FT_RSRC,
		3029	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3030	};
		3031	cf::cede_to_tick;
		3032
2571	{	3033	{
2572	my $faces = $facedata->{faceinfo};	3034	my $faces = $facedata->{faceinfo};
2573		3035
2574	while (my ($face, $info) = each %$faces) {	3036	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3037	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3038	cf::face::set_visibility $idx, $info->{visibility};
		3039	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3040	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3041	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3042
		3043	cf::cede_to_tick;
2580	}	3044	}
2581		3045
2582	while (my ($face, $info) = each %$faces) {	3046	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3047	next unless $info->{smooth};
2584	my $idx = cf::face::find $face	3048	my $idx = cf::face::find $face
2585	or next;	3049	or next;
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3050	if (my $smooth = cf::face::find $info->{smooth}) {
		3051	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3052	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3053	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3054	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3055	}
2591	Coro::cede;	3056
		3057	cf::cede_to_tick;
2592	}	3058	}
2593	}	3059	}
2594		3060
2595	{	3061	{
2596	my $anims = $facedata->{animinfo};	3062	my $anims = $facedata->{animinfo};
2597		3063
2598	while (my ($anim, $info) = each %$anims) {	3064	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3065	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3066	cf::cede_to_tick;
2601	}	3067	}
2602		3068
2603	cf::anim::invalidate_all; # d'oh	3069	cf::anim::invalidate_all; # d'oh
2604	}	3070	}
2605		3071
		3072	{
		3073	# TODO: for gcfclient pleasure, we should give resources
		3074	# that gcfclient doesn't grok a >10000 face index.
		3075	my $res = $facedata->{resource};
		3076
		3077	my $soundconf = delete $res->{"res/sound.conf"};
		3078
		3079	while (my ($name, $info) = each %$res) {
		3080	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3081	my $data;
		3082
		3083	if ($info->{type} & 1) {
		3084	# prepend meta info
		3085
		3086	my $meta = $enc->encode ({
		3087	name => $name,
		3088	%{ $info->{meta} || {} },
		3089	});
		3090
		3091	$data = pack "(w/a*)*", $meta, $info->{data};
		3092	} else {
		3093	$data = $info->{data};
		3094	}
		3095
		3096	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3097	cf::face::set_type $idx, $info->{type};
		3098
		3099	cf::cede_to_tick;
		3100	}
		3101
		3102	if ($soundconf) {
		3103	$soundconf = $enc->decode (delete $soundconf->{data});
		3104
		3105	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3106	my $sound = $soundconf->{compat}[$_]
		3107	or next;
		3108
		3109	my $face = cf::face::find "sound/$sound->[1]";
		3110	cf::sound::set $sound->[0] => $face;
		3111	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3112	}
		3113
		3114	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3115	my $face = cf::face::find "sound/$v";
		3116	cf::sound::set $k => $face;
		3117	}
		3118	}
		3119	}
		3120
2606	1	3121	1
2607	}	3122	}
2608		3123
		3124	register_exticmd fx_want => sub {
		3125	my ($ns, $want) = @_;
		3126
		3127	while (my ($k, $v) = each %$want) {
		3128	$ns->fx_want ($k, $v);
		3129	}
		3130	};
		3131
2609	sub reload_regions {	3132	sub reload_regions {
		3133	# HACK to clear player env face cache, we need some signal framework
		3134	# for this (global event?)
		3135	%ext::player_env::MUSIC_FACE_CACHE = ();
		3136
2610	load_resource_file "$MAPDIR/regions"	3137	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3138	or die "unable to load regions file\n";
		3139
		3140	for (cf::region::list) {
		3141	$_->{match} = qr/$_->{match}/
		3142	if exists $_->{match};
		3143	}
2612	}	3144	}
2613		3145
2614	sub reload_facedata {	3146	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3147	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3148	or die "unable to load facedata\n";
2617	}	3149	}
2618		3150
2619	sub reload_archetypes {	3151	sub reload_archetypes {
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	#d# NEED to laod twice to resolve forward references
		3155	# this really needs to be done in an extra post-pass
		3156	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3157	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3158	or die "unable to load archetypes\n";
2622	}	3159	}
2623		3160
2624	sub reload_treasures {	3161	sub reload_treasures {
…		…
2640		3177
2641	sub init {	3178	sub init {
2642	reload_resources;	3179	reload_resources;
2643	}	3180	}
2644		3181
2645	sub cfg_load {	3182	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3183	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3184	or return;
2648		3185
2649	local $/;	3186	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3187	*CFG = YAML::Syck::Load <$fh>;
…		…
2666	sub main {	3203	sub main {
2667	# we must not ever block the main coroutine	3204	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3205	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3206	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3207	(async {
		3208	$Coro::current->{desc} = "IDLE BUG HANDLER";
2671	Event::one_event;	3209	Event::one_event;
2672	})->prio (Coro::PRIO_MAX);	3210	})->prio (Coro::PRIO_MAX);
2673	};	3211	};
2674		3212
2675	cfg_load;	3213	reload_config;
2676	db_init;	3214	db_init;
2677	load_extensions;	3215	load_extensions;
2678		3216
2679	$TICK_WATCHER->start;	3217	$TICK_WATCHER->start;
2680	Event::loop;	3218	Event::loop;
…		…
2696	},	3234	},
2697	);	3235	);
2698	}	3236	}
2699	}	3237	}
2700		3238
		3239	sub write_runtime {
		3240	my $runtime = "$LOCALDIR/runtime";
		3241
		3242	# first touch the runtime file to show we are still running:
		3243	# the fsync below can take a very very long time.
		3244
		3245	IO::AIO::aio_utime $runtime, undef, undef;
		3246
		3247	my $guard = cf::lock_acquire "write_runtime";
		3248
		3249	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3250	or return;
		3251
		3252	my $value = $cf::RUNTIME + 90 + 10;
		3253	# 10 is the runtime save interval, for a monotonic clock
		3254	# 60 allows for the watchdog to kill the server.
		3255
		3256	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3257	and return;
		3258
		3259	# always fsync - this file is important
		3260	aio_fsync $fh
		3261	and return;
		3262
		3263	# touch it again to show we are up-to-date
		3264	aio_utime $fh, undef, undef;
		3265
		3266	close $fh
		3267	or return;
		3268
		3269	aio_rename "$runtime~", $runtime
		3270	and return;
		3271
		3272	warn "runtime file written.\n";
		3273
		3274	1
		3275	}
		3276
2701	sub emergency_save() {	3277	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3278	my $freeze_guard = cf::freeze_mainloop;
2703		3279
2704	warn "enter emergency perl save\n";	3280	warn "enter emergency perl save\n";
2705		3281
…		…
2709	# and maps saved/destroyed asynchronously.	3285	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3286	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3287	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3288	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3289	$pl->valid or next;
		3290	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3291	$pl->save;
2715	}	3292	}
2716	warn "end emergency player save\n";	3293	warn "end emergency player save\n";
2717		3294
2718	warn "begin emergency map save\n";	3295	warn "begin emergency map save\n";
…		…
2780	%EXT_CORO = ();	3357	%EXT_CORO = ();
2781		3358
2782	warn "removing commands";	3359	warn "removing commands";
2783	%COMMAND = ();	3360	%COMMAND = ();
2784		3361
2785	warn "removing ext commands";	3362	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3363	%EXTCMD = ();
		3364	%EXTICMD = ();
2787		3365
2788	warn "unloading/nuking all extensions";	3366	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3367	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3368	warn "... unloading $pkg";
2791		3369
…		…
2834	warn "reloading cf.pm";	3412	warn "reloading cf.pm";
2835	require cf;	3413	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3414	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3415
2838	warn "loading config and database again";	3416	warn "loading config and database again";
2839	cf::cfg_load;	3417	cf::reload_config;
2840		3418
2841	warn "loading extensions";	3419	warn "loading extensions";
2842	cf::load_extensions;	3420	cf::load_extensions;
2843		3421
2844	warn "reattaching attachments to objects/players";	3422	warn "reattaching attachments to objects/players";
…		…
2880	register_command "reload" => sub {	3458	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3459	my ($who, $arg) = @_;
2882		3460
2883	if ($who->flag (FLAG_WIZ)) {	3461	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3462	$who->message ("reloading server.");
		3463	async {
		3464	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3465	reload_perl;
		3466	};
2886	}	3467	}
2887	};	3468	};
2888		3469
2889	unshift @INC, $LIBDIR;	3470	unshift @INC, $LIBDIR;
2890		3471
…		…
2909	my $signal = new Coro::Signal;	3490	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3491	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3492	$signal->wait;
2912	}	3493	}
2913		3494
2914	my $min = 1e6;#d#
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (	3495	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,	3496	reentrant => 0,
2918	parked => 1,	3497	parked => 1,
2919	prio => 0,	3498	prio => 0,
2920	at => $NEXT_TICK || $TICK,	3499	at => $NEXT_TICK || $TICK,
…		…
2928		3507
2929	$NOW = $tick_start = Event::time;	3508	$NOW = $tick_start = Event::time;
2930		3509
2931	cf::server_tick; # one server iteration	3510	cf::server_tick; # one server iteration
2932		3511
2933	0 && sync_job {#d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};
2955
2956	$RUNTIME += $TICK;	3512	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;	3513	$NEXT_TICK += $TICK;
2958		3514
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3515	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;	3516	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {	3517	Coro::async_pool {
		3518	$Coro::current->{desc} = "runtime saver";
2962	write_runtime	3519	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";	3520	or warn "ERROR: unable to write runtime file: $!";
2964	};	3521	};
2965	}	3522	}
2966		3523
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3524	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3525	$sig->send;
2972	}	3526	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3527	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3528	$sig->send;
…		…
2984		3538
2985	$LOAD = ($NOW - $tick_start) / $TICK;	3539	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3540	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3541
2988	_post_tick;	3542	_post_tick;
2989
2990
2991	},	3543	},
2992	);	3544	);
2993		3545
2994	{	3546	{
		3547	BDB::min_parallel 8;
2995	BDB::max_poll_time $TICK * 0.1;	3548	BDB::max_poll_time $TICK * 0.1;
2996	$BDB_POLL_WATCHER = Event->io (	3549	$BDB_POLL_WATCHER = Event->io (
2997	reentrant => 0,	3550	reentrant => 0,
2998	fd => BDB::poll_fileno,	3551	fd => BDB::poll_fileno,
2999	poll => 'r',	3552	poll => 'r',
3000	prio => 0,	3553	prio => 0,
3001	data => WF_AUTOCANCEL,	3554	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,	3555	cb => \&BDB::poll_cb,
3003	);	3556	);
3004	BDB::min_parallel 8;
3005		3557
3006	BDB::set_sync_prepare {	3558	BDB::set_sync_prepare {
3007	my $status;	3559	my $status;
3008	my $current = $Coro::current;	3560	my $current = $Coro::current;
3009	(	3561	(
…		…
3018	)	3570	)
3019	};	3571	};
3020		3572
3021	unless ($DB_ENV) {	3573	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3574	$DB_ENV = BDB::db_env_create;
		3575	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3576	| BDB::LOG_AUTOREMOVE, 1);
		3577	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3578	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3579
3024	cf::sync_job {	3580	cf::sync_job {
3025	eval {	3581	eval {
3026	BDB::db_env_open	3582	BDB::db_env_open
3027	$DB_ENV,	3583	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3587	0666;
3032		3588
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3589	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3590	};
3038		3591
3039	cf::cleanup "db_env_open(db): $@" if $@;	3592	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3593	};
3041	}	3594	}
		3595
		3596	$BDB_DEADLOCK_WATCHER = Event->timer (
		3597	after => 3,
		3598	interval => 1,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3607	after => 11,
		3608	interval => 60,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3614	},
		3615	);
		3616	$BDB_TRICKLE_WATCHER = Event->timer (
		3617	after => 5,
		3618	interval => 10,
		3619	hard => 1,
		3620	prio => 0,
		3621	data => WF_AUTOCANCEL,
		3622	cb => sub {
		3623	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3624	},
		3625	);
3042	}	3626	}
3043		3627
3044	{	3628	{
3045	IO::AIO::min_parallel 8;	3629	IO::AIO::min_parallel 8;
3046		3630
…		…
3049	$AIO_POLL_WATCHER = Event->io (	3633	$AIO_POLL_WATCHER = Event->io (
3050	reentrant => 0,	3634	reentrant => 0,
3051	data => WF_AUTOCANCEL,	3635	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,	3636	fd => IO::AIO::poll_fileno,
3053	poll => 'r',	3637	poll => 'r',
3054	prio => 6,	3638	prio => 0,
3055	cb => \&IO::AIO::poll_cb,	3639	cb => \&IO::AIO::poll_cb,
3056	);	3640	);
3057	}	3641	}
3058		3642
3059	my $_log_backtrace;	3643	my $_log_backtrace;
…		…
3065		3649
3066	# limit the # of concurrent backtraces	3650	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3651	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3652	++$_log_backtrace;
3069	async {	3653	async {
		3654	$Coro::current->{desc} = "abt $msg";
		3655
3070	my @bt = fork_call {	3656	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3657	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3658	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3659	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3660	or die "addr2line: $!";

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