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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
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 2.32 ();
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.
…		…
346		435
347	my $busy = 1;	436	my $busy = 1;
348	my @res;	437	my @res;
349		438
350	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	441	@res = eval { $job->() };
352	warn $@ if $@;	442	warn $@ if $@;
353	undef $busy;	443	undef $busy;
354	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
355		445
…		…
390	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
391		481
392	$coro	482	$coro
393	}	483	}
394		484
395	sub write_runtime {	485	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		486
398	# first touch the runtime file to show we are still running:	487	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
400		491
401	IO::AIO::aio_utime $runtime, undef, undef;	492	=cut
402		493
403	my $guard = cf::lock_acquire "write_runtime";	494	sub fork_call(&@) {
		495	my ($cb, @args) = @_;
404		496
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	497	# we seemingly have to make a local copy of the whole thing,
406	or return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
407		500
408	my $value = $cf::RUNTIME + 90 + 10;	501	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	502	reset_signals;
410	# 60 allows for the watchdog to kill the server.	503	&$cb
		504	}, @args;
411		505
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	506	wantarray ? @res : $res[-1]
413	and return;	507	}
414		508
415	# always fsync - this file is important	509	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		510
419	# touch it again to show we are up-to-date	511	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		512
422	close $fh	513	=item cf::db_put $family => $key => $value
423	or return;
424		514
425	aio_rename "$runtime~", $runtime	515	Stores the given C<$value> in the family. It can currently store binary
426	and return;	516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		517
428	warn "runtime file written.\n";	518	=item $db = cf::db_table "name"
429		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
430	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
431	}	634	}
432		635
433	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
434		637
435	Log a datalog packet of the given type with the given key-value pairs.	638	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")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
455		658
456	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	661	Crossfire TRT).
459		662
460	=over 4	663	=over 4
461		664
462	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
463		666
…		…
665	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
666	}	869	}
667		870
668	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
669	} else {	872	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	874	}
672		875
673	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
674	}	877	}
675		878
…		…
715	";	918	";
716	die if $@;	919	die if $@;
717	}	920	}
718		921
719	our $override;	922	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		924
722	sub override {	925	sub override {
723	$override = 1;	926	$override = 1;
724	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
725	}	928	}
726		929
727	sub do_invoke {	930	sub do_invoke {
728	my $event = shift;	931	my $event = shift;
729	my $callbacks = shift;	932	my $callbacks = shift;
730		933
731	@invoke_results = ();	934	@INVOKE_RESULTS = ();
732		935
733	local $override;	936	local $override;
734		937
735	for (@$callbacks) {	938	for (@$callbacks) {
736	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
753		956
754	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
755		958
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		962
760	=back	963	=back
761		964
762	=cut	965	=cut
763		966
764	#############################################################################	967	#############################################################################
765	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
766		980
767	sub reattach {	981	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	983	my ($obj) = @_;
770		984
…		…
817	sub object_freezer_save {	1031	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
819		1033
820	sync_job {	1034	sync_job {
821	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
824		1039
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1062	}
848	} else {	1063	} else {
849	aio_unlink $filename;	1064	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
851	}	1066	}
852	}	1067	};
853	}	1068	}
854		1069
855	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
857		1072
…		…
869	or return;	1084	or return;
870		1085
871	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
873	or return;	1088	or return;
		1089
874	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1091	}
876		1092
		1093	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1095	$decname, length $data, scalar @{$av || []};
		1096
879	return ($data, $av);	1097	($data, $av)
880	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
881		1105
882	#############################################################################	1106	#############################################################################
883	# command handling &c	1107	# command handling &c
884		1108
885	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1123	}
900		1124
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1126
903	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
904		1132
905	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
906	called.	1134	called.
907		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
908	=cut	1147	=cut
909		1148
910	sub register_extcmd {	1149	sub register_extcmd {
911	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
912		1151
913	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
914	}	1159	}
915		1160
916	cf::player->attach (	1161	cf::player->attach (
917	on_command => sub {	1162	on_command => sub {
918	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1172	cf::override;
928	},	1173	},
929	on_extcmd => sub {	1174	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
931		1176
932	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1178
934	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
940	} else {	1194	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1196	}
943		1197
944	cf::override;	1198	cf::override;
945	},	1199	},
946	);	1200	);
947		1201
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
983	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1207	next unless -r $path;
985	eval {	1208
986	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
987	1	1266	}
988	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
989	}	1272	};
990	}	1273	}
991		1274
992	#############################################################################	1275	#############################################################################
993		1276
		1277	=back
		1278
994	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
995		1280
996	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
997		1282
998	=cut	1283	=cut
…		…
1002	use Coro::AIO;	1287	use Coro::AIO;
1003		1288
1004	=head3 cf::player	1289	=head3 cf::player
1005		1290
1006	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
1007		1306
1008	=item cf::player::find $login	1307	=item cf::player::find $login
1009		1308
1010	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1011		1310
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1350
1052	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1055	}	1359	}
1056	}	1360	}
1057	}	1361	}
1058		1362
…		…
1068		1372
1069	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1071		1375
1072	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1073	Coro::cede;	1377	cf::cede_to_tick;
1074	}	1378	}
1075		1379
1076	sub new($) {	1380	sub new($) {
1077	my ($login) = @_;	1381	my ($login) = @_;
1078		1382
…		…
1082	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1083		1387
1084	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1085		1389
1086	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1087	}	1401	}
1088		1402
1089	=item $pl->quit_character	1403	=item $pl->quit_character
1090		1404
1091	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1460	or return [];
1147		1461
1148	my @logins;	1462	my @logins;
1149		1463
1150	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1154		1473
1155	utf8::decode $login;	1474	utf8::decode $login;
1156	push @logins, $login;	1475	push @logins, $login;
1157	}	1476	}
1158		1477
…		…
1185	}	1504	}
1186		1505
1187	\@paths	1506	\@paths
1188	}	1507	}
1189		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1190	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1191		1561
1192	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1193		1563
1194	=cut	1564	=cut
1195		1565
1196	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1198		1568
1199	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1570	}
1203		1571
1204	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1205		1573
1206	Sends an ext event to the client.	1574	Sends an ext event to the client.
1207		1575
1208	=cut	1576	=cut
1209		1577
1210	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1212		1580
1213	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1214	}	1582	}
1215		1583
1216	=head3 cf::region	1584	=head3 cf::region
1217		1585
1218	=over 4	1586	=over 4
…		…
1221		1589
1222	package cf::region;	1590	package cf::region;
1223		1591
1224	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1225		1593
1226	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1227		1595
1228	=cut	1596	=cut
1229		1597
1230	sub find_by_path($) {	1598	sub find_by_path($) {
1231	my ($path) = @_;	1599	my ($path) = @_;
1232		1600
1233	my ($match, $specificity);	1601	my ($match, $specificity);
1234		1602
1235	for my $region (list) {	1603	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1239	}	1607	}
1240	}	1608	}
1241		1609
…		…
1305	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1306		1674
1307	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1308	local $self->{path};	1676	local $self->{path};
1309	local $self->{load_path};	1677	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1678
1313	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1314	}	1680	}
1315		1681
1316	sub normalise {	1682	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1364	return $self;	1730	return $self;
1365	}	1731	}
1366	}	1732	}
1367		1733
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1735	()
1370	}	1736	}
1371		1737
1372	sub init {	1738	sub init {
1373	my ($self) = @_;	1739	my ($self) = @_;
…		…
1416		1782
1417	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1419	}	1785	}
1420		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1421	sub unlink_save {	1795	sub unlink_save {
1422	my ($self) = @_;	1796	my ($self) = @_;
1423		1797
1424	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1802
1429	sub load_header_from($) {	1803	sub load_header_from($) {
1430	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1431		1805
1432	utf8::encode $path;	1806	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1438		1815
1439	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1440		1817
1441	1	1818	1
1442	}	1819	}
…		…
1481	$self->load_header_orig	1858	$self->load_header_orig
1482	or return;	1859	or return;
1483	$self->prepare_orig;	1860	$self->prepare_orig;
1484	}	1861	}
1485		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
1486	$self->default_region (cf::region::find_by_path $self->{path})	1866	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1867	unless $self->default_region;
1488		1868
1489	1	1869	1
1490	}	1870	}
…		…
1493	sub find {	1873	sub find {
1494	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1495		1875
1496	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1497		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1499		1880
1500	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1502	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1503	or return;	1886	or return;
1504		1887
1505	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1506		1889
1507	$map->load_header	1890	$map->load_header
1508	or return;	1891	or return;
1509		1892
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1513	$map->reset;	1898	$map->reset;
1514	undef $guard;
1515	return find $path;	1899	return find $path;
1516	}	1900	}
1517		1901
1518	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1519	}	1903	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1529		1913
1530	my $path = $self->{path};	1914	my $path = $self->{path};
1531		1915
1532	{	1916	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1534		1918
		1919	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1921
1537	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1538		1923
1539	$self->alloc;	1924	$self->alloc;
1540		1925
1541	$self->pre_load;	1926	$self->pre_load;
1542	Coro::cede;	1927	cf::cede_to_tick;
1543		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1545	or return;	1932	or return;
1546		1933
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	1935	if delete $self->{load_original};
1549		1936
1550	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	1938	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	1941	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1555	}	1945	}
1556	}	1946	}
1557		1947
1558	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1559	# now do the right thing for maps	1951	# now do the right thing for maps
1560	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1954	unless $self->difficulty;
1563	Coro::cede;	1955	cf::cede_to_tick;
1564		1956
1565	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1958	$self->decay_objects;
1567	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1568	$self->update_buttons;	1960	$self->update_buttons;
1569	Coro::cede;	1961	cf::cede_to_tick;
1570	$self->set_darkness_map;	1962	$self->set_darkness_map;
1571	Coro::cede;	1963	cf::cede_to_tick;
1572	$self->activate;	1964	$self->activate;
1573	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1574		1969
1575	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	1971	}
1577		1972
1578	$self->post_load;	1973	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1583		1978
1584	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	1980	if $self->per_player;
1586		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1587	$self	1985	$self
1588	}	1986	}
1589		1987
1590	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	1989	sub load_neighbours {
1592	my ($map) = @_;	1990	my ($map) = @_;
1593		1991
1594	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1595		1993
1596	for (0 .. 3) {	1994	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1598	or next;	1996	or next;
1599	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1600	or next;	1998	or next;
1601	$neigh->load;	1999	$neigh->load;
1602		2000
		2001	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2004	}
1606		2005
1607	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1609	or next;	2009	or next;
1610	$neigh->load;	2010	$neigh->load;
1611	}	2011	}
1612	}	2012	}
1613		2013
…		…
1618	}	2018	}
1619		2019
1620	sub do_load_sync {	2020	sub do_load_sync {
1621	my ($map) = @_;	2021	my ($map) = @_;
1622		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1623	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1624	}	2027	}
1625		2028
1626	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1628		2031
1629	sub find_async {	2032	sub find_async {
1630	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1631		2034
1632	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1633		2036
1634	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2039	}
1637		2040
1638	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1639	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1640	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2048	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2049	$map->load if $v;
		2050	}
1645		2051
1646	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1647	}	2053	}
1648	}	2054	}
1649	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1650	};	2056	};
1651	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2060	}
1655		2061
1656	sub save {	2062	sub save {
1657	my ($self) = @_;	2063	my ($self) = @_;
1658		2064
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2066
1661	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1662		2068
1663	return unless $self->dirty;	2069	return unless $self->dirty;
1664		2070
…		…
1670	return if $self->{deny_save};	2076	return if $self->{deny_save};
1671		2077
1672	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1673		2079
1674	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1676	};	2083	};
1677		2084
1678	if ($uniq) {	2085	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2094	my ($self) = @_;
1688		2095
1689	# save first because save cedes	2096	# save first because save cedes
1690	$self->save;	2097	$self->save;
1691		2098
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2100
1694	return if $self->players;	2101	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2103	return if $self->{deny_save};
1697		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2109	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2110	}
1701		2111
1702	sub reset_at {	2112	sub reset_at {
1703	my ($self) = @_;	2113	my ($self) = @_;
1704		2114
1705	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1708		2117
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2120
…		…
1722	my ($self) = @_;	2131	my ($self) = @_;
1723		2132
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2134
1726	return if $self->players;	2135	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2136
1729	warn "resetting map ", $self->path;	2137	warn "resetting map ", $self->path;
1730		2138
1731	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1732		2140
…		…
1738	if $uniq;	2146	if $uniq;
1739	}	2147	}
1740		2148
1741	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1742		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2153	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2154
1747	$self->unlink_save;	2155	$self->unlink_save;
1748	$self->destroy;	2156	$self->destroy;
1749	}	2157	}
1750		2158
1751	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1752		2160
1753	sub nuke {	2161	sub nuke {
1754	my ($self) = @_;	2162	my ($self) = @_;
1755		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1756	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1757		2168
1758	$self->unlink_save;	2169	$self->unlink_save;
1759		2170
1760	bless $self, "cf::map";	2171	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2176
1766	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1767		2179
1768	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1769	}	2217	}
1770		2218
1771	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1772		2220
1773	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2222	instantiated unique items. May block.
1775		2223
1776	=cut	2224	=cut
1777		2225
1778	sub unique_maps() {	2226	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2227	[
1780	or return;	2228	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2229	utf8::decode $_;
1786	next if /\.pst$/;	2230	/\.map$/
1787	next unless /^$PATH_SEP/o;	2231	? normalise $_
1788		2232	: ()
1789	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2234	]
1791
1792	\@paths
1793	}	2235	}
1794		2236
1795	package cf;	2237	package cf;
1796		2238
1797	=back	2239	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1816	}	2258	}
1817		2259
1818	sub inv_recursive {	2260	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1820	}	2290	}
1821		2291
1822	package cf;	2292	package cf;
1823		2293
1824	=back	2294	=back
…		…
1843		2313
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2315
1846	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1848	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1851	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1852	}	2341	}
1853		2342
1854	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1855		2344
1856	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1938		2427
1939	$map->load;	2428	$map->load;
1940	$map->load_diag;	2429	$map->load_neighbours;
1941		2430
1942	return unless $self->contr->active;	2431	return unless $self->contr->active;
1943	$self->activate_recursive;	2432	$self->activate_recursive;
1944		2433
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1947	}	2436	}
1948		2437
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2439
1951	Moves the player to the given map-path and coordinates by first freezing	2440	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2441	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2442	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2443	the new (success) or old (failed) map position. In either case, $done will
		2444	be called at the end of this process.
1955		2445
1956	=cut	2446	=cut
1957		2447
1958	our $GOTOGEN;	2448	our $GOTOGEN;
1959		2449
1960	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2452
1963	# do generation counting so two concurrent goto's will be executed in-order	2453	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2455
1966	$self->enter_link;	2456	$self->enter_link;
1967		2457
1968	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1969	my $map = eval {	2480	my $map = eval {
1970	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
1971		2482
1972	if ($map) {	2483	if ($map) {
1973	$map = $map->customise_for ($self);	2484	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2485	$map = $check->($map) if $check && $map;
1975	} else {	2486	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2488	}
1978		2489
1979	$map	2490	$map
1980	};	2491	};
1981		2492
…		…
1986		2497
1987	if ($gen == $self->{_goto_generation}) {	2498	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2499	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
1990	}	2501	}
		2502
		2503	$done->() if $done;
1991	})->prio (1);	2504	})->prio (1);
1992	}	2505	}
1993		2506
1994	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1995		2508
…		…
2064	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
2066		2579
2067	$self->enter_link;	2580	$self->enter_link;
2068		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
2069	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
2070	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2590	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2073		2592
2074	1;	2593	1;
…		…
2100		2619
2101	utf8::encode $text;	2620	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2622	}
2104		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2105	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2106		2718
2107	Sends an exti event to the client.	2719	Sends an ext event to the client.
2108		2720
2109	=cut	2721	=cut
2110		2722
2111	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2113		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2116	}	2750	}
2117		2751
2118	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2119		2753
2120	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2757
2124	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2759	become reliable at some point in the future.
2126		2760
2127	=cut	2761	=cut
2128		2762
2129	sub cf::client::query {	2763	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2772	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2774
2141	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2143	}	2779	}
2144		2780
2145	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2146	on_reply => sub {	2787	on_reply => sub {
2147	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2148		2789
2149	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2150	# get handled first	2791	# get handled first
…		…
2162	} else {	2803	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2805	}
2165	}	2806	}
2166	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2167	);	2834	);
2168		2835
2169	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2170		2837
2171	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2214		2881
2215	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2216		2883
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2218		2889
2219	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2220		2891
2221	=pod	2892	=pod
2222		2893
2223	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2224		2895
2225	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2226	cf::object::player player	2900	cf::object::player
2227	cf::player peaceful	2901	player
2228	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2229		2908
2230	=cut	2909	=cut
2231		2910
2232	for (	2911	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2234	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2237	) {	2918	) {
2238	no strict 'refs';	2919	no strict 'refs';
…		…
2309	=back	2990	=back
2310		2991
2311	=cut	2992	=cut
2312		2993
2313	#############################################################################	2994	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	2995	# the server's init and main functions
2487		2996
2488	sub load_facedata($) {	2997	sub load_facedata($) {
2489	my ($path) = @_;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3005
2491	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2492		3007
2493	my $facedata;	3008	my $facedata;
2494	0 < aio_load $path, $facedata	3009	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3012	$facedata = Coro::Storable::thaw $facedata;
2498		3013
2499	$facedata->{version} == 2	3014	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
2502	{	3024	{
2503	my $faces = $facedata->{faceinfo};	3025	my $faces = $facedata->{faceinfo};
2504		3026
2505	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3033
		3034	cf::cede_to_tick;
2511	}	3035	}
2512		3036
2513	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3038	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2516	or next;	3040	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3044	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3046	}
2522	Coro::cede;	3047
		3048	cf::cede_to_tick;
2523	}	3049	}
2524	}	3050	}
2525		3051
2526	{	3052	{
2527	my $anims = $facedata->{animinfo};	3053	my $anims = $facedata->{animinfo};
2528		3054
2529	while (my ($anim, $info) = each %$anims) {	3055	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3057	cf::cede_to_tick;
2532	}	3058	}
2533		3059
2534	cf::anim::invalidate_all; # d'oh	3060	cf::anim::invalidate_all; # d'oh
2535	}	3061	}
2536		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
2537	1	3112	1
2538	}	3113	}
2539		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
2540	sub reload_regions {	3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
2541	load_resource_file "$MAPDIR/regions"	3128	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
2543	}	3135	}
2544		3136
2545	sub reload_facedata {	3137	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3138	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3139	or die "unable to load facedata\n";
2548	}	3140	}
2549		3141
2550	sub reload_archetypes {	3142	sub reload_archetypes {
		3143	load_resource_file "$DATADIR/archetypes"
		3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
2551	load_resource_file "$DATADIR/archetypes"	3148	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3149	or die "unable to load archetypes\n";
2553	}	3150	}
2554		3151
2555	sub reload_treasures {	3152	sub reload_treasures {
…		…
2571		3168
2572	sub init {	3169	sub init {
2573	reload_resources;	3170	reload_resources;
2574	}	3171	}
2575		3172
2576	sub cfg_load {	3173	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3175	or return;
2579		3176
2580	local $/;	3177	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
…		…
2597	sub main {	3194	sub main {
2598	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2602	Event::one_event;	3200	Event::one_event;
2603	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2604	};	3202	};
2605		3203
2606	cfg_load;	3204	reload_config;
2607	db_init;	3205	db_init;
2608	load_extensions;	3206	load_extensions;
2609		3207
2610	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2611	Event::loop;	3209	Event::loop;
…		…
2627	},	3225	},
2628	);	3226	);
2629	}	3227	}
2630	}	3228	}
2631		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2632	sub emergency_save() {	3268	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2634		3270
2635	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2636		3272
…		…
2711	%EXT_CORO = ();	3347	%EXT_CORO = ();
2712		3348
2713	warn "removing commands";	3349	warn "removing commands";
2714	%COMMAND = ();	3350	%COMMAND = ();
2715		3351
2716	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2718		3355
2719	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2722		3359
…		…
2765	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2766	require cf;	3403	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3405
2769	warn "loading config and database again";	3406	warn "loading config and database again";
2770	cf::cfg_load;	3407	cf::reload_config;
2771		3408
2772	warn "loading extensions";	3409	warn "loading extensions";
2773	cf::load_extensions;	3410	cf::load_extensions;
2774		3411
2775	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2811	register_command "reload" => sub {	3448	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2813		3450
2814	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
		3453	async {
		3454	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3455	reload_perl;
		3456	};
2817	}	3457	}
2818	};	3458	};
2819		3459
2820	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2821		3461
…		…
2840	my $signal = new Coro::Signal;	3480	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3481	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3482	$signal->wait;
2843	}	3483	}
2844		3484
2845	my $min = 1e6;#d#
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (	3485	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,	3486	reentrant => 0,
2849	parked => 1,	3487	parked => 1,
2850	prio => 0,	3488	prio => 0,
2851	at => $NEXT_TICK || $TICK,	3489	at => $NEXT_TICK || $TICK,
…		…
2859		3497
2860	$NOW = $tick_start = Event::time;	3498	$NOW = $tick_start = Event::time;
2861		3499
2862	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
2863		3501
2864	0 && sync_job {#d#
2865	for(1..10) {
2866	my $t = Event::time;
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868	or die;
2869
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};
2886
2887	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2889		3504
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2893	write_runtime	3509	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2895	};	3511	};
2896	}	3512	}
2897		3513
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3515	$sig->send;
2903	}	3516	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3517	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3518	$sig->send;
…		…
2915		3528
2916	$LOAD = ($NOW - $tick_start) / $TICK;	3529	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3531
2919	_post_tick;	3532	_post_tick;
2920
2921
2922	},	3533	},
2923	);	3534	);
2924		3535
2925	{	3536	{
		3537	BDB::min_parallel 8;
2926	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2927	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2928	reentrant => 0,	3540	reentrant => 0,
2929	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2930	poll => 'r',	3542	poll => 'r',
2931	prio => 0,	3543	prio => 0,
2932	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
2934	);	3546	);
2935	BDB::min_parallel 8;
2936		3547
2937	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
2938	my $status;	3549	my $status;
2939	my $current = $Coro::current;	3550	my $current = $Coro::current;
2940	(	3551	(
…		…
2949	)	3560	)
2950	};	3561	};
2951		3562
2952	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3569
2955	cf::sync_job {	3570	cf::sync_job {
2956	eval {	3571	eval {
2957	BDB::db_env_open	3572	BDB::db_env_open
2958	$DB_ENV,	3573	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3577	0666;
2963		3578
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3580	};
2969		3581
2970	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3583	};
2972	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
2973	}	3616	}
2974		3617
2975	{	3618	{
2976	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
2977		3620
…		…
2980	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2981	reentrant => 0,	3624	reentrant => 0,
2982	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2984	poll => 'r',	3627	poll => 'r',
2985	prio => 6,	3628	prio => 0,
2986	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2987	);	3630	);
2988	}	3631	}
2989		3632
2990	my $_log_backtrace;	3633	my $_log_backtrace;
…		…
2996		3639
2997	# limit the # of concurrent backtraces	3640	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3641	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3642	++$_log_backtrace;
3000	async {	3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
3001	my @bt = fork_call {	3646	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3647	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3650	or die "addr2line: $!";

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