ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.363 by root, Mon Sep 10 17:24:36 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_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
87		93
88	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
91		97
92	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		100
…		…
164		170
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	172	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
		180
169	=back	181	=back
170		182
171	=cut	183	=cut
172		184
173	BEGIN {	185	BEGIN {
…		…
177	$msg .= "\n"	189	$msg .= "\n"
178	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
179		191
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		193
182	utf8::encode $msg;
183	LOG llevError, $msg;	194	LOG llevError, $msg;
184	};	195	};
185	}	196	}
186		197
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	217	}
207		218
208	$Event::DIED = sub {	219	$Event::DIED = sub {
209	warn "error in event callback: @_";	220	warn "error in event callback: @_";
210	};	221	};
		222
		223	#############################################################################
211		224
212	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
213		226
214	=over 4	227	=over 4
215		228
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	248	$d
236	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
237	}	250	}
238		251
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
242		253
243	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
244		255
245	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
246		257
247	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
248		266
249	=item cf::lock_wait $string	267	=item cf::lock_wait $string
250		268
251	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
252		270
…		…
255	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
258	returned.	276	returned.
259		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
260	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
262		283
263	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
264		285
265	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
266		287
267	=cut	288	=cut
268		289
269	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
270		292
271	sub lock_wait($) {	293	sub lock_wait($) {
272	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
273		300
274	# wait for lock, if any	301	# wait for lock, if any
275	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	304	Coro::schedule;
…		…
283		310
284	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
285	lock_wait $key;	312	lock_wait $key;
286		313
287	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
288		316
289	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
292	}	321	}
293	}	322	}
294		323
…		…
306	};	335	};
307	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
308	$guard	337	$guard
309	}	338	}
310		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
		394	}
		395
311	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
312		397
313	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
318		403
319	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
320		405
321	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
322		407
323	The design of crossfire+ requires that the main coro ($Coro::main) is	408	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	409	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.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
326		412
327	If it must be done, put the blocking parts into C<sync_job>. This will run	413	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	414	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	415	server will be frozen during this time, so the block should either finish
330	fast or be very important.	416	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
391		477
392	$coro	478	$coro
393	}	479	}
394		480
395	sub write_runtime {	481	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		482
398	# first touch the runtime file to show we are still running:	483	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
400		487
401	IO::AIO::aio_utime $runtime, undef, undef;	488	=cut
402		489
403	my $guard = cf::lock_acquire "write_runtime";	490	sub fork_call(&@) {
		491	my ($cb, @args) = @_;
404		492
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	493	# we seemingly have to make a local copy of the whole thing,
406	or return;	494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
407		496
408	my $value = $cf::RUNTIME + 90 + 10;	497	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	498	reset_signals;
410	# 60 allows for the watchdog to kill the server.	499	&$cb
		500	}, @args;
411		501
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	502	wantarray ? @res : $res[-1]
413	and return;	503	}
414		504
415	# always fsync - this file is important	505	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		506
419	# touch it again to show we are up-to-date	507	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		508
422	close $fh	509	=item cf::db_put $family => $key => $value
423	or return;
424		510
425	aio_rename "$runtime~", $runtime	511	Stores the given C<$value> in the family. It can currently store binary
426	and return;	512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		513
428	warn "runtime file written.\n";	514	=item $db = cf::db_table "name"
429		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
430	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
431	}	630	}
432		631
433	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
434		633
435	Log a datalog packet of the given type with the given key-value pairs.	634	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")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
455		654
456	In the following description, CLASS can be any of C<global>, C<object>	655	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	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	657	Crossfire TRT).
459		658
460	=over 4	659	=over 4
461		660
462	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
463		662
…		…
665	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
666	}	865	}
667		866
668	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
669	} else {	868	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	870	}
672		871
673	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
674	}	873	}
675		874
…		…
715	";	914	";
716	die if $@;	915	die if $@;
717	}	916	}
718		917
719	our $override;	918	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		920
722	sub override {	921	sub override {
723	$override = 1;	922	$override = 1;
724	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
725	}	924	}
726		925
727	sub do_invoke {	926	sub do_invoke {
728	my $event = shift;	927	my $event = shift;
729	my $callbacks = shift;	928	my $callbacks = shift;
730		929
731	@invoke_results = ();	930	@INVOKE_RESULTS = ();
732		931
733	local $override;	932	local $override;
734		933
735	for (@$callbacks) {	934	for (@$callbacks) {
736	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
753		952
754	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
755		954
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	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	956	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		958
760	=back	959	=back
761		960
762	=cut	961	=cut
763		962
764	#############################################################################	963	#############################################################################
765	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
766		976
767	sub reattach {	977	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	979	my ($obj) = @_;
770		980
…		…
815	);	1025	);
816		1026
817	sub object_freezer_save {	1027	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
819		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
820	sync_job {	1032	sync_job {
821	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
824		1037
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1060	}
848	} else {	1061	} else {
849	aio_unlink $filename;	1062	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
851	}	1064	}
852	}	1065	};
		1066
		1067	undef $guard;
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
…		…
862		1077
863	sub object_thawer_load {	1078	sub object_thawer_load {
864	my ($filename) = @_;	1079	my ($filename) = @_;
865		1080
866	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
867		1084
868	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
869	or return;	1086	or return;
870		1087
871	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
873	or return;	1090	or return;
		1091
		1092	undef $guard;
874	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1094	}
876		1095
		1096	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1098	$decname, length $data, scalar @{$av || []};
		1099
879	return ($data, $av);	1100	($data, $av)
880	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
881		1108
882	#############################################################################	1109	#############################################################################
883	# command handling &c	1110	# command handling &c
884		1111
885	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1126	}
900		1127
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1129
903	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
904		1135
905	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
906	called.	1137	called.
907		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
908	=cut	1150	=cut
909		1151
910	sub register_extcmd {	1152	sub register_extcmd {
911	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
912		1154
913	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
914	}	1162	}
915		1163
916	cf::player->attach (	1164	cf::player->attach (
917	on_command => sub {	1165	on_command => sub {
918	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1175	cf::override;
928	},	1176	},
929	on_extcmd => sub {	1177	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
931		1179
932	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1181
934	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
940	} else {	1197	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1199	}
943		1200
944	cf::override;	1201	cf::override;
945	},	1202	},
946	);	1203	);
947		1204
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 {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
983	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1210	next unless -r $path;
985	eval {	1211
986	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
987	1	1269	}
988	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
989	}	1275	};
990	}	1276	}
991		1277
992	#############################################################################	1278	#############################################################################
993		1279
		1280	=back
		1281
994	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
995		1283
996	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
997		1285
998	=cut	1286	=cut
…		…
1002	use Coro::AIO;	1290	use Coro::AIO;
1003		1291
1004	=head3 cf::player	1292	=head3 cf::player
1005		1293
1006	=over 4	1294	=over 4
		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
1007		1309
1008	=item cf::player::find $login	1310	=item cf::player::find $login
1009		1311
1010	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
1011		1313
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1352	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1353
1052	my $pl = load_pl path $login	1354	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1055	}	1363	}
1056	}	1364	}
1057	}	1365	}
1058		1366
…		…
1068		1376
1069	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1071		1379
1072	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1073	Coro::cede;	1381	cf::cede_to_tick;
1074	}	1382	}
1075		1383
1076	sub new($) {	1384	sub new($) {
1077	my ($login) = @_;	1385	my ($login) = @_;
1078		1386
…		…
1082	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1083		1391
1084	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1085		1393
1086	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1087	}	1405	}
1088		1406
1089	=item $pl->quit_character	1407	=item $pl->quit_character
1090		1408
1091	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1464	or return [];
1147		1465
1148	my @logins;	1466	my @logins;
1149		1467
1150	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1154		1477
1155	utf8::decode $login;	1478	utf8::decode $login;
1156	push @logins, $login;	1479	push @logins, $login;
1157	}	1480	}
1158		1481
…		…
1185	}	1508	}
1186		1509
1187	\@paths	1510	\@paths
1188	}	1511	}
1189		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1190	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1191		1565
1192	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1193		1567
1194	=cut	1568	=cut
1195		1569
1196	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1198		1572
1199	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1574	}
1203		1575
1204	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1205		1577
1206	Sends an ext event to the client.	1578	Sends an ext event to the client.
1207		1579
1208	=cut	1580	=cut
1209		1581
1210	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1212		1584
1213	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1214	}	1586	}
1215		1587
1216	=head3 cf::region	1588	=head3 cf::region
1217		1589
1218	=over 4	1590	=over 4
…		…
1221		1593
1222	package cf::region;	1594	package cf::region;
1223		1595
1224	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1225		1597
1226	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1227		1599
1228	=cut	1600	=cut
1229		1601
1230	sub find_by_path($) {	1602	sub find_by_path($) {
1231	my ($path) = @_;	1603	my ($path) = @_;
1232		1604
1233	my ($match, $specificity);	1605	my ($match, $specificity);
1234		1606
1235	for my $region (list) {	1607	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1239	}	1611	}
1240	}	1612	}
1241		1613
…		…
1361	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1362	return $self;	1734	return $self;
1363	}	1735	}
1364	}	1736	}
1365		1737
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1739	()
1368	}	1740	}
1369		1741
1370	sub init {	1742	sub init {
1371	my ($self) = @_;	1743	my ($self) = @_;
…		…
1434		1806
1435	sub load_header_from($) {	1807	sub load_header_from($) {
1436	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1437		1809
1438	utf8::encode $path;	1810	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1444		1819
1445	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1446		1821
1447	1	1822	1
1448	}	1823	}
…		…
1502	sub find {	1877	sub find {
1503	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1504		1879
1505	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1506		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1508		1884
1509	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1511	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1512	or return;	1890	or return;
1513		1891
1514	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1515		1893
…		…
1517	or return;	1895	or return;
1518		1896
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1522	$map->reset;	1902	$map->reset;
1523	undef $guard;
1524	return find $path;	1903	return find $path;
1525	}	1904	}
1526		1905
1527	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1528	}	1907	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1538		1917
1539	my $path = $self->{path};	1918	my $path = $self->{path};
1540		1919
1541	{	1920	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1543		1922
		1923	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1925
1546	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1547		1927
1548	$self->alloc;	1928	$self->alloc;
1549		1929
1550	$self->pre_load;	1930	$self->pre_load;
1551	Coro::cede;	1931	cf::cede_to_tick;
1552		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1554	or return;	1936	or return;
1555		1937
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1939	if delete $self->{load_original};
1558		1940
1559	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1942	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1945	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1564	}	1949	}
1565	}	1950	}
1566		1951
1567	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1568	# now do the right thing for maps	1955	# now do the right thing for maps
1569	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1958	unless $self->difficulty;
1572	Coro::cede;	1959	cf::cede_to_tick;
1573		1960
1574	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1962	$self->decay_objects;
1576	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1577	$self->update_buttons;	1964	$self->update_buttons;
1578	Coro::cede;	1965	cf::cede_to_tick;
1579	$self->set_darkness_map;	1966	$self->set_darkness_map;
1580	Coro::cede;	1967	cf::cede_to_tick;
1581	$self->activate;	1968	$self->activate;
1582	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1583		1973
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1975	}
1586		1976
1587	$self->post_load;	1977	$self->post_load;
…		…
1598		1988
1599	$self	1989	$self
1600	}	1990	}
1601		1991
1602	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1993	sub load_neighbours {
1604	my ($map) = @_;	1994	my ($map) = @_;
1605		1995
1606	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1607		1997
1608	for (0 .. 3) {	1998	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1610	or next;	2000	or next;
1611	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1612	or next;	2002	or next;
1613	$neigh->load;	2003	$neigh->load;
1614		2004
		2005	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2008	}
1618		2009
1619	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1621	or next;	2013	or next;
1622	$neigh->load;	2014	$neigh->load;
1623	}	2015	}
1624	}	2016	}
1625		2017
…		…
1630	}	2022	}
1631		2023
1632	sub do_load_sync {	2024	sub do_load_sync {
1633	my ($map) = @_;	2025	my ($map) = @_;
1634		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1635	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1636	}	2031	}
1637		2032
1638	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1640		2035
1641	sub find_async {	2036	sub find_async {
1642	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1643		2038
1644	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1645		2040
1646	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2043	}
1649		2044
1650	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1651	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1652	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2050	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2051	$map->load if $v;
		2052	}
1657		2053
1658	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1659	}	2055	}
1660	}	2056	}
1661	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1662	};	2058	};
1663	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2062	}
1667		2063
1668	sub save {	2064	sub save {
1669	my ($self) = @_;	2065	my ($self) = @_;
1670		2066
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2068
1673	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1674		2070
1675	return unless $self->dirty;	2071	return unless $self->dirty;
1676		2072
…		…
1699	my ($self) = @_;	2095	my ($self) = @_;
1700		2096
1701	# save first because save cedes	2097	# save first because save cedes
1702	$self->save;	2098	$self->save;
1703		2099
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2101
1706	return if $self->players;	2102	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2104	return if $self->{deny_save};
1709		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2110	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2111	}
1713		2112
1714	sub reset_at {	2113	sub reset_at {
1715	my ($self) = @_;	2114	my ($self) = @_;
1716		2115
…		…
1748	if $uniq;	2147	if $uniq;
1749	}	2148	}
1750		2149
1751	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1752		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2154	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2155
1757	$self->unlink_save;	2156	$self->unlink_save;
1758	$self->destroy;	2157	$self->destroy;
1759	}	2158	}
1760		2159
1761	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1762		2161
1763	sub nuke {	2162	sub nuke {
1764	my ($self) = @_;	2163	my ($self) = @_;
1765		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1766	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1767		2169
1768	$self->unlink_save;	2170	$self->unlink_save;
1769		2171
1770	bless $self, "cf::map";	2172	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2177
1776	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1777		2180
1778	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1779	}	2218	}
1780		2219
1781	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1782		2221
1783	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2223	instantiated unique items. May block.
1785		2224
1786	=cut	2225	=cut
1787		2226
1788	sub unique_maps() {	2227	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2228	[
1790	or return;	2229	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2230	utf8::decode $_;
1796	next if /\.pst$/;	2231	/\.map$/
1797	next unless /^$PATH_SEP/o;	2232	? normalise $_
1798		2233	: ()
1799	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2235	]
1801
1802	\@paths
1803	}	2236	}
1804		2237
1805	package cf;	2238	package cf;
1806		2239
1807	=back	2240	=back
…		…
1825	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1826	}	2259	}
1827		2260
1828	sub inv_recursive {	2261	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1830	}	2294	}
1831		2295
1832	package cf;	2296	package cf;
1833		2297
1834	=back	2298	=back
…		…
1853		2317
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2319
1856	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1858	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1861	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1862	}	2345	}
1863		2346
1864	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1865		2348
1866	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1945	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1948		2431
1949	$map->load;	2432	$map->load;
1950	$map->load_diag;	2433	$map->load_neighbours;
1951		2434
1952	return unless $self->contr->active;	2435	return unless $self->contr->active;
1953	$self->activate_recursive;	2436	$self->activate_recursive;
1954		2437
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1957	}	2440	}
1958		2441
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960		2443
1961	Moves the player to the given map-path and coordinates by first freezing	2444	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2445	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2446	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2447	the new (success) or old (failed) map position. In either case, $done will
		2448	be called at the end of this process.
1965		2449
1966	=cut	2450	=cut
1967		2451
1968	our $GOTOGEN;	2452	our $GOTOGEN;
1969		2453
1970	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1972		2456
1973	# do generation counting so two concurrent goto's will be executed in-order	2457	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2459
1976	$self->enter_link;	2460	$self->enter_link;
…		…
1996		2480
1997	if ($gen == $self->{_goto_generation}) {	2481	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2482	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2483	$self->leave_link ($map, $x, $y);
2000	}	2484	}
		2485
		2486	$done->() if $done;
2001	})->prio (1);	2487	})->prio (1);
2002	}	2488	}
2003		2489
2004	=item $player_object->enter_exit ($exit_object)	2490	=item $player_object->enter_exit ($exit_object)
2005		2491
…		…
2074	my $hp = $exit->stats->hp;	2560	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;	2561	my $sp = $exit->stats->sp;
2076		2562
2077	$self->enter_link;	2563	$self->enter_link;
2078		2564
		2565	# if exit is damned, update players death & WoR home-position
		2566	$self->contr->savebed ($slaying, $hp, $sp)
		2567	if $exit->flag (FLAG_DAMNED);
		2568
2079	(async {	2569	(async {
2080	$self->deactivate_recursive; # just to be sure	2570	$self->deactivate_recursive; # just to be sure
2081	unless (eval {	2571	unless (eval {
2082	$self->goto ($slaying, $hp, $sp);	2572	$self->goto ($slaying, $hp, $sp);
2083		2573
…		…
2110		2600
2111	utf8::encode $text;	2601	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2602	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	2603	}
2114		2604
		2605	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2606
		2607	Send a drawinfo or msg packet to the client, formatting the msg for the
		2608	client if neccessary. C<$type> should be a string identifying the type of
		2609	the message, with C<log> being the default. If C<$color> is negative, suppress
		2610	the message unless the client supports the msg packet.
		2611
		2612	=cut
		2613
		2614	our %CHANNEL = (
		2615	"c/identify" => {
		2616	id => "identify",
		2617	title => "Identify",
		2618	reply => undef,
		2619	tooltip => "Items recently identified",
		2620	},
		2621	"c/examine" => {
		2622	id => "examine",
		2623	title => "Examine",
		2624	reply => undef,
		2625	tooltip => "Signs and other items you examined",
		2626	},
		2627	);
		2628
		2629	sub cf::client::send_msg {
		2630	my ($self, $channel, $msg, $color, @extra) = @_;
		2631
		2632	$msg = $self->pl->expand_cfpod ($msg);
		2633
		2634	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2635
		2636	# check predefined channels, for the benefit of C
		2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2638
		2639	if (ref $channel) {
		2640	# send meta info to client, if not yet sent
		2641	unless (exists $self->{channel}{$channel->{id}}) {
		2642	$self->{channel}{$channel->{id}} = $channel;
		2643	$self->ext_msg (channel_info => $channel)
		2644	if $self->can_msg;
		2645	}
		2646
		2647	$channel = $channel->{id};
		2648	}
		2649
		2650	return unless @extra || length $msg;
		2651
		2652	if ($self->can_msg) {
		2653	# default colour, mask it out
		2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2655	if $color & cf::NDI_DEF;
		2656
		2657	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2659	} else {
		2660	if ($color >= 0) {
		2661	# replace some tags by gcfclient-compatible ones
		2662	for ($msg) {
		2663	1 while
		2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2669	}
		2670
		2671	$color &= cf::NDI_COLOR_MASK;
		2672
		2673	utf8::encode $msg;
		2674
		2675	if (0 && $msg =~ /\[/) {
		2676	# COMMAND/INFO
		2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2678	} else {
		2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2680	$self->send_packet ("drawinfo $color $msg")
		2681	}
		2682	}
		2683	}
		2684	}
		2685
2115	=item $client->ext_event ($type, %msg)	2686	=item $client->ext_msg ($type, @msg)
2116		2687
2117	Sends an exti event to the client.	2688	Sends an ext event to the client.
2118		2689
2119	=cut	2690	=cut
2120		2691
2121	sub cf::client::ext_event($$%) {	2692	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	2693	my ($self, $type, @msg) = @_;
2123		2694
		2695	if ($self->extcmd == 2) {
		2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2697	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	2698	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2700	}
		2701	}
		2702
		2703	=item $client->ext_reply ($msgid, @msg)
		2704
		2705	Sends an ext reply to the client.
		2706
		2707	=cut
		2708
		2709	sub cf::client::ext_reply($$@) {
		2710	my ($self, $id, @msg) = @_;
		2711
		2712	if ($self->extcmd == 2) {
		2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2714	} elsif ($self->extcmd == 1) {
		2715	#TODO: version 1, remove
		2716	unshift @msg, msgtype => "reply", msgid => $id;
		2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2718	}
2126	}	2719	}
2127		2720
2128	=item $success = $client->query ($flags, "text", \&cb)	2721	=item $success = $client->query ($flags, "text", \&cb)
2129		2722
2130	Queues a query to the client, calling the given callback with	2723	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2724	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2725	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		2726
2134	Queries can fail, so check the return code. Or don't, as queries will become	2727	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	2728	become reliable at some point in the future.
2136		2729
2137	=cut	2730	=cut
2138		2731
2139	sub cf::client::query {	2732	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	2733	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	2741	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2742	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		2743
2151	$self->send_packet ($self->{query_queue}[0][0])	2744	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	2745	if @{ $self->{query_queue} } == 1;
		2746
		2747	1
2153	}	2748	}
2154		2749
2155	cf::client->attach (	2750	cf::client->attach (
		2751	on_connect => sub {
		2752	my ($ns) = @_;
		2753
		2754	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2755	},
2156	on_reply => sub {	2756	on_reply => sub {
2157	my ($ns, $msg) = @_;	2757	my ($ns, $msg) = @_;
2158		2758
2159	# this weird shuffling is so that direct followup queries	2759	# this weird shuffling is so that direct followup queries
2160	# get handled first	2760	# get handled first
…		…
2172	} else {	2772	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2773	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	2774	}
2175	}	2775	}
2176	},	2776	},
		2777	on_exticmd => sub {
		2778	my ($ns, $buf) = @_;
		2779
		2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2781
		2782	if (ref $msg) {
		2783	my ($type, $reply, @payload) =
		2784	"ARRAY" eq ref $msg
		2785	? @$msg
		2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2787
		2788	my @reply;
		2789
		2790	if (my $cb = $EXTICMD{$type}) {
		2791	@reply = $cb->($ns, @payload);
		2792	}
		2793
		2794	$ns->ext_reply ($reply, @reply)
		2795	if $reply;
		2796
		2797	} else {
		2798	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2799	}
		2800
		2801	cf::override;
		2802	},
2177	);	2803	);
2178		2804
2179	=item $client->async (\&cb)	2805	=item $client->async (\&cb)
2180		2806
2181	Create a new coroutine, running the specified callback. The coroutine will	2807	Create a new coroutine, running the specified callback. The coroutine will
…		…
2222	our $safe = new Safe "safe";	2848	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	2849	our $safe_hole = new Safe::Hole;
2224		2850
2225	$SIG{FPE} = 'IGNORE';	2851	$SIG{FPE} = 'IGNORE';
2226		2852
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2853	$safe->permit_only (Opcode::opset qw(
		2854	:base_core :base_mem :base_orig :base_math
		2855	grepstart grepwhile mapstart mapwhile
		2856	sort time
		2857	));
2228		2858
2229	# here we export the classes and methods available to script code	2859	# here we export the classes and methods available to script code
2230		2860
2231	=pod	2861	=pod
2232		2862
2233	The following functions and methods are available within a safe environment:	2863	The following functions and methods are available within a safe environment:
2234		2864
2235	cf::object contr pay_amount pay_player map	2865	cf::object
		2866	contr pay_amount pay_player map x y force_find force_add
		2867	insert remove name archname title slaying race decrease_ob_nr
		2868
2236	cf::object::player player	2869	cf::object::player
2237	cf::player peaceful	2870	player
2238	cf::map trigger	2871
		2872	cf::player
		2873	peaceful
		2874
		2875	cf::map
		2876	trigger
2239		2877
2240	=cut	2878	=cut
2241		2879
2242	for (	2880	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	2881	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2882	insert remove inv name archname title slaying race
		2883	decrease_ob_nr)],
2244	["cf::object::player" => qw(player)],	2884	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	2885	["cf::player" => qw(peaceful)],
2246	["cf::map" => qw(trigger)],	2886	["cf::map" => qw(trigger)],
2247	) {	2887	) {
2248	no strict 'refs';	2888	no strict 'refs';
…		…
2319	=back	2959	=back
2320		2960
2321	=cut	2961	=cut
2322		2962
2323	#############################################################################	2963	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494
2495	#############################################################################
2496	# the server's init and main functions	2964	# the server's init and main functions
2497		2965
2498	sub load_facedata($) {	2966	sub load_facedata($) {
2499	my ($path) = @_;	2967	my ($path) = @_;
		2968
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500		2974
2501	warn "loading facedata from $path\n";	2975	warn "loading facedata from $path\n";
2502		2976
2503	my $facedata;	2977	my $facedata;
2504	0 < aio_load $path, $facedata	2978	0 < aio_load $path, $facedata
…		…
2507	$facedata = Coro::Storable::thaw $facedata;	2981	$facedata = Coro::Storable::thaw $facedata;
2508		2982
2509	$facedata->{version} == 2	2983	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	2984	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		2985
		2986	# patch in the exptable
		2987	$facedata->{resource}{"res/exp_table"} = {
		2988	type => FT_RSRC,
		2989	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2990	};
		2991	cf::cede_to_tick;
		2992
2512	{	2993	{
2513	my $faces = $facedata->{faceinfo};	2994	my $faces = $facedata->{faceinfo};
2514		2995
2515	while (my ($face, $info) = each %$faces) {	2996	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2998	cf::face::set_visibility $idx, $info->{visibility};
		2999	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3000	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3001	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520	Coro::cede;	3002
		3003	cf::cede_to_tick;
2521	}	3004	}
2522		3005
2523	while (my ($face, $info) = each %$faces) {	3006	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3007	next unless $info->{smooth};
2525	my $idx = cf::face::find $face	3008	my $idx = cf::face::find $face
2526	or next;	3009	or next;
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3010	if (my $smooth = cf::face::find $info->{smooth}) {
		3011	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3013	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3014	warn "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3015	}
2532	Coro::cede;	3016
		3017	cf::cede_to_tick;
2533	}	3018	}
2534	}	3019	}
2535		3020
2536	{	3021	{
2537	my $anims = $facedata->{animinfo};	3022	my $anims = $facedata->{animinfo};
2538		3023
2539	while (my ($anim, $info) = each %$anims) {	3024	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3025	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3026	cf::cede_to_tick;
2542	}	3027	}
2543		3028
2544	cf::anim::invalidate_all; # d'oh	3029	cf::anim::invalidate_all; # d'oh
2545	}	3030	}
2546		3031
		3032	{
		3033	# TODO: for gcfclient pleasure, we should give resources
		3034	# that gcfclient doesn't grok a >10000 face index.
		3035	my $res = $facedata->{resource};
		3036
		3037	my $soundconf = delete $res->{"res/sound.conf"};
		3038
		3039	while (my ($name, $info) = each %$res) {
		3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3041	my $data;
		3042
		3043	if ($info->{type} & 1) {
		3044	# prepend meta info
		3045
		3046	my $meta = $enc->encode ({
		3047	name => $name,
		3048	%{ $info->{meta} || {} },
		3049	});
		3050
		3051	$data = pack "(w/a*)*", $meta, $info->{data};
		3052	} else {
		3053	$data = $info->{data};
		3054	}
		3055
		3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3057	cf::face::set_type $idx, $info->{type};
		3058
		3059	cf::cede_to_tick;
		3060	}
		3061
		3062	if ($soundconf) {
		3063	$soundconf = $enc->decode (delete $soundconf->{data});
		3064
		3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3066	my $sound = $soundconf->{compat}[$_]
		3067	or next;
		3068
		3069	my $face = cf::face::find "sound/$sound->[1]";
		3070	cf::sound::set $sound->[0] => $face;
		3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3072	}
		3073
		3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3075	my $face = cf::face::find "sound/$v";
		3076	cf::sound::set $k => $face;
		3077	}
		3078	}
		3079	}
		3080
2547	1	3081	1
2548	}	3082	}
2549		3083
		3084	register_exticmd fx_want => sub {
		3085	my ($ns, $want) = @_;
		3086
		3087	while (my ($k, $v) = each %$want) {
		3088	$ns->fx_want ($k, $v);
		3089	}
		3090	};
		3091
2550	sub reload_regions {	3092	sub reload_regions {
		3093	# HACK to clear player env face cache, we need some signal framework
		3094	# for this (global event?)
		3095	%ext::player_env::MUSIC_FACE_CACHE = ();
		3096
2551	load_resource_file "$MAPDIR/regions"	3097	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3098	or die "unable to load regions file\n";
		3099
		3100	for (cf::region::list) {
		3101	$_->{match} = qr/$_->{match}/
		3102	if exists $_->{match};
		3103	}
2553	}	3104	}
2554		3105
2555	sub reload_facedata {	3106	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3107	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3108	or die "unable to load facedata\n";
2558	}	3109	}
2559		3110
2560	sub reload_archetypes {	3111	sub reload_archetypes {
		3112	load_resource_file "$DATADIR/archetypes"
		3113	or die "unable to load archetypes\n";
		3114	#d# NEED to laod twice to resolve forward references
		3115	# this really needs to be done in an extra post-pass
		3116	# (which needs to be synchronous, so solve it differently)
2561	load_resource_file "$DATADIR/archetypes"	3117	load_resource_file "$DATADIR/archetypes"
2562	or die "unable to load archetypes\n";	3118	or die "unable to load archetypes\n";
2563	}	3119	}
2564		3120
2565	sub reload_treasures {	3121	sub reload_treasures {
…		…
2581		3137
2582	sub init {	3138	sub init {
2583	reload_resources;	3139	reload_resources;
2584	}	3140	}
2585		3141
2586	sub cfg_load {	3142	sub reload_config {
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3143	open my $fh, "<:utf8", "$CONFDIR/config"
2588	or return;	3144	or return;
2589		3145
2590	local $/;	3146	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;	3147	*CFG = YAML::Syck::Load <$fh>;
…		…
2611	(async {	3167	(async {
2612	Event::one_event;	3168	Event::one_event;
2613	})->prio (Coro::PRIO_MAX);	3169	})->prio (Coro::PRIO_MAX);
2614	};	3170	};
2615		3171
2616	cfg_load;	3172	reload_config;
2617	db_init;	3173	db_init;
2618	load_extensions;	3174	load_extensions;
2619		3175
2620	$TICK_WATCHER->start;	3176	$TICK_WATCHER->start;
2621	Event::loop;	3177	Event::loop;
…		…
2637	},	3193	},
2638	);	3194	);
2639	}	3195	}
2640	}	3196	}
2641		3197
		3198	sub write_runtime {
		3199	my $runtime = "$LOCALDIR/runtime";
		3200
		3201	# first touch the runtime file to show we are still running:
		3202	# the fsync below can take a very very long time.
		3203
		3204	IO::AIO::aio_utime $runtime, undef, undef;
		3205
		3206	my $guard = cf::lock_acquire "write_runtime";
		3207
		3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3209	or return;
		3210
		3211	my $value = $cf::RUNTIME + 90 + 10;
		3212	# 10 is the runtime save interval, for a monotonic clock
		3213	# 60 allows for the watchdog to kill the server.
		3214
		3215	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3216	and return;
		3217
		3218	# always fsync - this file is important
		3219	aio_fsync $fh
		3220	and return;
		3221
		3222	# touch it again to show we are up-to-date
		3223	aio_utime $fh, undef, undef;
		3224
		3225	close $fh
		3226	or return;
		3227
		3228	aio_rename "$runtime~", $runtime
		3229	and return;
		3230
		3231	warn "runtime file written.\n";
		3232
		3233	1
		3234	}
		3235
2642	sub emergency_save() {	3236	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3237	my $freeze_guard = cf::freeze_mainloop;
2644		3238
2645	warn "enter emergency perl save\n";	3239	warn "enter emergency perl save\n";
2646		3240
…		…
2721	%EXT_CORO = ();	3315	%EXT_CORO = ();
2722		3316
2723	warn "removing commands";	3317	warn "removing commands";
2724	%COMMAND = ();	3318	%COMMAND = ();
2725		3319
2726	warn "removing ext commands";	3320	warn "removing ext/exti commands";
2727	%EXTCMD = ();	3321	%EXTCMD = ();
		3322	%EXTICMD = ();
2728		3323
2729	warn "unloading/nuking all extensions";	3324	warn "unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	3325	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	3326	warn "... unloading $pkg";
2732		3327
…		…
2775	warn "reloading cf.pm";	3370	warn "reloading cf.pm";
2776	require cf;	3371	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778		3373
2779	warn "loading config and database again";	3374	warn "loading config and database again";
2780	cf::cfg_load;	3375	cf::reload_config;
2781		3376
2782	warn "loading extensions";	3377	warn "loading extensions";
2783	cf::load_extensions;	3378	cf::load_extensions;
2784		3379
2785	warn "reattaching attachments to objects/players";	3380	warn "reattaching attachments to objects/players";
…		…
2878	or die;	3473	or die;
2879		3474
2880	$map->width (50);	3475	$map->width (50);
2881	$map->height (50);	3476	$map->height (50);
2882	$map->alloc;	3477	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);	3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
2884	my $t = Event::time - $t;	3479	my $t = Event::time - $t;
2885		3480
2886	#next unless $t < 0.0013;#d#	3481	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {	3482	if ($t < $min) {
2888	$min = $t;	3483	$min = $t;
…		…
2931		3526
2932	},	3527	},
2933	);	3528	);
2934		3529
2935	{	3530	{
		3531	BDB::min_parallel 8;
2936	BDB::max_poll_time $TICK * 0.1;	3532	BDB::max_poll_time $TICK * 0.1;
2937	$BDB_POLL_WATCHER = Event->io (	3533	$BDB_POLL_WATCHER = Event->io (
2938	reentrant => 0,	3534	reentrant => 0,
2939	fd => BDB::poll_fileno,	3535	fd => BDB::poll_fileno,
2940	poll => 'r',	3536	poll => 'r',
2941	prio => 0,	3537	prio => 0,
2942	data => WF_AUTOCANCEL,	3538	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,	3539	cb => \&BDB::poll_cb,
2944	);	3540	);
2945	BDB::min_parallel 8;
2946		3541
2947	BDB::set_sync_prepare {	3542	BDB::set_sync_prepare {
2948	my $status;	3543	my $status;
2949	my $current = $Coro::current;	3544	my $current = $Coro::current;
2950	(	3545	(
…		…
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	3567	0666;
2973		3568
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975		3570
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3572	| BDB::LOG_AUTOREMOVE, 1);
2977	$DB_ENV->set_lk_detect;	3573	$DB_ENV->set_lk_detect;
2978	};	3574	};
2979		3575
2980	cf::cleanup "db_env_open(db): $@" if $@;	3576	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	3577	};
2982	}	3578	}
		3579
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
2983	}	3600	}
2984		3601
2985	{	3602	{
2986	IO::AIO::min_parallel 8;	3603	IO::AIO::min_parallel 8;
2987		3604

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines