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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$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;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	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]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	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
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($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#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
310	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
311		398
312	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
317		404
318	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
319		406
320	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
321		408
322	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
325		413
326	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
329	fast or be very important.	417	fast or be very important.
…		…
389	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
390		478
391	$coro	479	$coro
392	}	480	}
393		481
394	sub write_runtime {	482	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		483
397	# first touch the runtime file to show we are still running:	484	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
399		488
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	489	=cut
401	utime undef, undef, $fh;	490
		491	sub fork_call(&@) {
		492	my ($cb, @args) = @_;
		493
		494	# we seemingly have to make a local copy of the whole thing,
		495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
		497
		498	my @res = Coro::Util::fork_eval {
		499	reset_signals;
		500	&$cb
		501	}, @args;
		502
		503	wantarray ? @res : $res[-1]
		504	}
		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
402	}	533	};
		534	cf::cleanup "db_open(db): $@" if $@;
403		535
404	my $guard = cf::lock_acquire "write_runtime";	536	$db
		537	}
405		538
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	our $DB;
407	or return;
408		540
409	my $value = $cf::RUNTIME + 90 + 10;	541	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	542	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	543	$DB ||= db_table "db";
		544	};
		545	}
412		546
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	547	sub db_get($$) {
414	and return;	548	my $key = "$_[0]/$_[1]";
415		549
416	# always fsync - this file is important	550	cf::sync_job {
417	aio_fsync $fh	551	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		552
420	# touch it again to show we are up-to-date	553	$! ? ()
421	utime undef, undef, $fh;	554	: $data
422
423	close $fh
424	or return;
425
426	aio_rename "$runtime~", $runtime
427	and return;
428
429	warn "runtime file written.\n";#d#
430
431	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
432	}	631	}
433		632
434	=item cf::datalog type => key => value, ...	633	=item cf::datalog type => key => value, ...
435		634
436	Log a datalog packet of the given type with the given key-value pairs.	635	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
456		655
457	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	658	Crossfire TRT).
460		659
461	=over 4	660	=over 4
462		661
463	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
464		663
…		…
666	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
667	}	866	}
668		867
669	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
670	} else {	869	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	871	}
673		872
674	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
675	}	874	}
676		875
…		…
716	";	915	";
717	die if $@;	916	die if $@;
718	}	917	}
719		918
720	our $override;	919	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		921
723	sub override {	922	sub override {
724	$override = 1;	923	$override = 1;
725	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
726	}	925	}
727		926
728	sub do_invoke {	927	sub do_invoke {
729	my $event = shift;	928	my $event = shift;
730	my $callbacks = shift;	929	my $callbacks = shift;
731		930
732	@invoke_results = ();	931	@INVOKE_RESULTS = ();
733		932
734	local $override;	933	local $override;
735		934
736	for (@$callbacks) {	935	for (@$callbacks) {
737	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
754		953
755	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
756		955
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		959
761	=back	960	=back
762		961
763	=cut	962	=cut
764		963
765	#############################################################################	964	#############################################################################
766	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
767		977
768	sub reattach {	978	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	980	my ($obj) = @_;
771		981
…		…
818	sub object_freezer_save {	1028	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
820		1030
821	sync_job {	1031	sync_job {
822	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
825		1036
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1040	aio_fsync $fh if $cf::USE_FSYNC;
…		…
848	}	1059	}
849	} else {	1060	} else {
850	aio_unlink $filename;	1061	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
852	}	1063	}
853	}	1064	};
854	}	1065	}
855		1066
856	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
858		1069
…		…
870	or return;	1081	or return;
871		1082
872	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
874	or return;	1085	or return;
		1086
875	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
876	}	1088	}
877		1089
		1090	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
880	return ($data, $av);	1094	($data, $av)
881	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
882		1102
883	#############################################################################	1103	#############################################################################
884	# command handling &c	1104	# command handling &c
885		1105
886	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1120	}
901		1121
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1123
904	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
905		1129
906	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
907	called.	1131	called.
908		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
909	=cut	1144	=cut
910		1145
911	sub register_extcmd {	1146	sub register_extcmd {
912	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
913		1148
914	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
915	}	1156	}
916		1157
917	cf::player->attach (	1158	cf::player->attach (
918	on_command => sub {	1159	on_command => sub {
919	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1169	cf::override;
929	},	1170	},
930	on_extcmd => sub {	1171	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
932		1173
933	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1175
935	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
941	} else {	1191	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1193	}
944		1194
945	cf::override;	1195	cf::override;
946	},	1196	},
947	);	1197	);
948		1198
949	sub load_extension {
950	my ($path) = @_;
951
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
953	my $base = $1;
954	my $pkg = $1;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}
977	die $@;
978	}
979
980	push @EXTS, $pkg;
981	}
982
983	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
984	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1204	next unless -r $path;
986	eval {	1205
987	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
988	1	1263	}
989	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
990	}	1269	};
991	}	1270	}
992		1271
993	#############################################################################	1272	#############################################################################
994		1273
		1274	=back
		1275
995	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
996		1277
997	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
998		1279
999	=cut	1280	=cut
…		…
1003	use Coro::AIO;	1284	use Coro::AIO;
1004		1285
1005	=head3 cf::player	1286	=head3 cf::player
1006		1287
1007	=over 4	1288	=over 4
		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
1008		1303
1009	=item cf::player::find $login	1304	=item cf::player::find $login
1010		1305
1011	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
1012		1307
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1346	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1347
1053	my $pl = load_pl path $login	1348	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
1056	}	1356	}
1057	}	1357	}
1058	}	1358	}
1059		1359
…		…
1069		1369
1070	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
1072		1372
1073	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
1074	Coro::cede;	1374	cf::cede_to_tick;
1075	}	1375	}
1076		1376
1077	sub new($) {	1377	sub new($) {
1078	my ($login) = @_;	1378	my ($login) = @_;
1079		1379
…		…
1083	$self->{deny_save} = 1;	1383	$self->{deny_save} = 1;
1084		1384
1085	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
1086		1386
1087	$self	1387	$self
		1388	}
		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
1088	}	1398	}
1089		1399
1090	=item $pl->quit_character	1400	=item $pl->quit_character
1091		1401
1092	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
…		…
1147	or return [];	1457	or return [];
1148		1458
1149	my @logins;	1459	my @logins;
1150		1460
1151	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1155		1470
1156	utf8::decode $login;	1471	utf8::decode $login;
1157	push @logins, $login;	1472	push @logins, $login;
1158	}	1473	}
1159		1474
…		…
1186	}	1501	}
1187		1502
1188	\@paths	1503	\@paths
1189	}	1504	}
1190		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1191	=item $player->ext_reply ($msgid, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1192		1558
1193	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1194		1560
1195	=cut	1561	=cut
1196		1562
1197	sub ext_reply($$%) {	1563	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1199		1565
1200	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1567	}
1204		1568
1205	=item $player->ext_event ($type, %msg)	1569	=item $player->ext_msg ($type, @msg)
1206		1570
1207	Sends an ext event to the client.	1571	Sends an ext event to the client.
1208		1572
1209	=cut	1573	=cut
1210		1574
1211	sub ext_event($$%) {	1575	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1576	my ($self, $type, @msg) = @_;
1213		1577
1214	$self->ns->ext_event ($type, %msg);	1578	$self->ns->ext_msg ($type, @msg);
1215	}	1579	}
1216		1580
1217	=head3 cf::region	1581	=head3 cf::region
1218		1582
1219	=over 4	1583	=over 4
…		…
1222		1586
1223	package cf::region;	1587	package cf::region;
1224		1588
1225	=item cf::region::find_by_path $path	1589	=item cf::region::find_by_path $path
1226		1590
1227	Tries to decuce the probable region for a map knowing only its path.	1591	Tries to decuce the likely region for a map knowing only its path.
1228		1592
1229	=cut	1593	=cut
1230		1594
1231	sub find_by_path($) {	1595	sub find_by_path($) {
1232	my ($path) = @_;	1596	my ($path) = @_;
1233		1597
1234	my ($match, $specificity);	1598	my ($match, $specificity);
1235		1599
1236	for my $region (list) {	1600	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1601	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1602	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1603	if $region->specificity > $specificity;
1240	}	1604	}
1241	}	1605	}
1242		1606
…		…
1306	my ($self, $merge) = @_;	1670	my ($self, $merge) = @_;
1307		1671
1308	# we have to keep some variables in memory intact	1672	# we have to keep some variables in memory intact
1309	local $self->{path};	1673	local $self->{path};
1310	local $self->{load_path};	1674	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1675
1314	$self->SUPER::thawer_merge ($merge);	1676	$self->SUPER::thawer_merge ($merge);
1315	}	1677	}
1316		1678
1317	sub normalise {	1679	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1365	return $self;	1727	return $self;
1366	}	1728	}
1367	}	1729	}
1368		1730
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1732	()
1371	}	1733	}
1372		1734
1373	sub init {	1735	sub init {
1374	my ($self) = @_;	1736	my ($self) = @_;
…		…
1417		1779
1418	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1420	}	1782	}
1421		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1422	sub unlink_save {	1792	sub unlink_save {
1423	my ($self) = @_;	1793	my ($self) = @_;
1424		1794
1425	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1799
1430	sub load_header_from($) {	1800	sub load_header_from($) {
1431	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1432		1802
1433	utf8::encode $path;	1803	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	1805	or return;
		1806
		1807	$self->_load_header ($f)
		1808	or return;
		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
1439		1812
1440	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1441		1814
1442	1	1815	1
1443	}	1816	}
…		…
1482	$self->load_header_orig	1855	$self->load_header_orig
1483	or return;	1856	or return;
1484	$self->prepare_orig;	1857	$self->prepare_orig;
1485	}	1858	}
1486		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
1487	$self->default_region (cf::region::find_by_path $self->{path})	1863	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1864	unless $self->default_region;
1489		1865
1490	1	1866	1
1491	}	1867	}
…		…
1494	sub find {	1870	sub find {
1495	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1496		1872
1497	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1498		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1500		1877
1501	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1503	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1504	or return;	1883	or return;
1505		1884
1506	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1507		1886
1508	$map->load_header	1887	$map->load_header
1509	or return;	1888	or return;
1510		1889
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1891	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1514	$map->reset;	1895	$map->reset;
1515	undef $guard;
1516	return find $path;	1896	return find $path;
1517	}	1897	}
1518		1898
1519	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1520	}	1900	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1909	local $self->{deny_reset} = 1; # loading can take a long time
1530		1910
1531	my $path = $self->{path};	1911	my $path = $self->{path};
1532		1912
1533	{	1913	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1535		1915
		1916	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1918
1538	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1539		1920
1540	$self->alloc;	1921	$self->alloc;
1541		1922
1542	$self->pre_load;	1923	$self->pre_load;
1543	Coro::cede;	1924	cf::cede_to_tick;
1544		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1928	$self->_load_objects ($f)
1546	or return;	1929	or return;
1547		1930
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1932	if delete $self->{load_original};
1550		1933
1551	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1935	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1938	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1556	}	1942	}
1557	}	1943	}
1558		1944
1559	Coro::cede;	1945	$f->resolve_delayed_derefs;
		1946
		1947	cf::cede_to_tick;
1560	# now do the right thing for maps	1948	# now do the right thing for maps
1561	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1950	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1951	unless $self->difficulty;
1564	Coro::cede;	1952	cf::cede_to_tick;
1565		1953
1566	unless ($self->{deny_activate}) {	1954	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1955	$self->decay_objects;
1568	$self->fix_auto_apply;	1956	$self->fix_auto_apply;
1569	$self->update_buttons;	1957	$self->update_buttons;
1570	Coro::cede;	1958	cf::cede_to_tick;
1571	$self->set_darkness_map;	1959	$self->set_darkness_map;
1572	Coro::cede;	1960	cf::cede_to_tick;
1573	$self->activate;	1961	$self->activate;
1574	}	1962	}
		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
1575		1966
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1968	}
1578		1969
1579	$self->post_load;	1970	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1584		1975
1585	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1977	if $self->per_player;
1587		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1588	$self	1982	$self
1589	}	1983	}
1590		1984
1591	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1986	sub load_neighbours {
1593	my ($map) = @_;	1987	my ($map) = @_;
1594		1988
1595	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1596		1990
1597	for (0 .. 3) {	1991	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1599	or next;	1993	or next;
1600	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1601	or next;	1995	or next;
1602	$neigh->load;	1996	$neigh->load;
1603		1997
		1998	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2001	}
1607		2002
1608	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1610	or next;	2006	or next;
1611	$neigh->load;	2007	$neigh->load;
1612	}	2008	}
1613	}	2009	}
1614		2010
…		…
1619	}	2015	}
1620		2016
1621	sub do_load_sync {	2017	sub do_load_sync {
1622	my ($map) = @_;	2018	my ($map) = @_;
1623		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1624	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1625	}	2024	}
1626		2025
1627	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2027	our $MAP_PREFETCHER = undef;
1629		2028
1630	sub find_async {	2029	sub find_async {
1631	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1632		2031
1633	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1634		2033
1635	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2036	}
1638		2037
1639	undef $MAP_PREFETCH{$path};	2038	$MAP_PREFETCH{$path} |= $load;
		2039
1640	$MAP_PREFETCHER ||= cf::async {	2040	$MAP_PREFETCHER ||= cf::async {
1641	while (%MAP_PREFETCH) {	2041	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2042	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2043	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2044	$map->load if $v;
		2045	}
1646		2046
1647	delete $MAP_PREFETCH{$path};	2047	delete $MAP_PREFETCH{$k};
1648	}	2048	}
1649	}	2049	}
1650	undef $MAP_PREFETCHER;	2050	undef $MAP_PREFETCHER;
1651	};	2051	};
1652	$MAP_PREFETCHER->prio (6);	2052	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2055	}
1656		2056
1657	sub save {	2057	sub save {
1658	my ($self) = @_;	2058	my ($self) = @_;
1659		2059
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2061
1662	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1663		2063
1664	return unless $self->dirty;	2064	return unless $self->dirty;
1665		2065
…		…
1688	my ($self) = @_;	2088	my ($self) = @_;
1689		2089
1690	# save first because save cedes	2090	# save first because save cedes
1691	$self->save;	2091	$self->save;
1692		2092
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2094
1695	return if $self->players;	2095	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2097	return if $self->{deny_save};
1698		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2103	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2104	}
1702		2105
1703	sub reset_at {	2106	sub reset_at {
1704	my ($self) = @_;	2107	my ($self) = @_;
1705		2108
1706	# TODO: safety, remove and allow resettable per-player maps	2109	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2110	return 1e99 if $self->{deny_reset};
1709		2111
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2114
…		…
1723	my ($self) = @_;	2125	my ($self) = @_;
1724		2126
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2128
1727	return if $self->players;	2129	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2130
1730	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
1731		2132
1732	$self->in_memory (cf::MAP_SWAPPED);	2133	$self->in_memory (cf::MAP_SWAPPED);
1733		2134
1734	# need to save uniques path	2135	# need to save uniques path
1735	unless ($self->{deny_save}) {	2136	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2140	if $uniq;
1740	}	2141	}
1741		2142
1742	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1743		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2147	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2148
1748	$self->unlink_save;	2149	$self->unlink_save;
1749	$self->destroy;	2150	$self->destroy;
1750	}	2151	}
1751		2152
1752	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1753		2154
1754	sub nuke {	2155	sub nuke {
1755	my ($self) = @_;	2156	my ($self) = @_;
1756		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
1757	delete $cf::MAP{$self->path};	2161	delete $cf::MAP{$self->path};
1758		2162
1759	$self->unlink_save;	2163	$self->unlink_save;
1760		2164
1761	bless $self, "cf::map";	2165	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2166	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2170
1767	$cf::MAP{$self->path} = $self;	2171	$cf::MAP{$self->path} = $self;
		2172	}
1768		2173
1769	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1770	}	2211	}
1771		2212
1772	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1773		2214
1774	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2216	instantiated unique items. May block.
1776		2217
1777	=cut	2218	=cut
1778		2219
1779	sub unique_maps() {	2220	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2221	[
1781	or return;	2222	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2223	utf8::decode $_;
1787	next if /\.pst$/;	2224	/\.map$/
1788	next unless /^$PATH_SEP/o;	2225	? normalise $_
1789		2226	: ()
1790	push @paths, cf::map::normalise $_;	2227	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2228	]
1792
1793	\@paths
1794	}	2229	}
1795		2230
1796	package cf;	2231	package cf;
1797		2232
1798	=back	2233	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1817	}	2252	}
1818		2253
1819	sub inv_recursive {	2254	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1821	}	2287	}
1822		2288
1823	package cf;	2289	package cf;
1824		2290
1825	=back	2291	=back
…		…
1844		2310
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2312
1847	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1849	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1852	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1853	}	2338	}
1854		2339
1855	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1856		2341
1857	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1905		2390
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2392
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1910		2395
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2397	}
1913		2398
1914	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1916		2403
1917	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1918		2405
1919	unless ($map) {	2406	unless ($map) {
1920	# restore original map position	2407	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1937		2424
1938	$map->load;	2425	$map->load;
1939	$map->load_diag;	2426	$map->load_neighbours;
1940		2427
1941	return unless $self->contr->active;	2428	return unless $self->contr->active;
1942	$self->activate_recursive;	2429	$self->activate_recursive;
1943		2430
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1946	}	2433	}
1947		2434
1948	cf::player->attach (
1949	on_logout => sub {
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961
1962	# try to abort aborted map switching on player login :)
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981		2436
1982	Moves the player to the given map-path and coordinates by first freezing	2437	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2438	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2439	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2440	the new (success) or old (failed) map position. In either case, $done will
		2441	be called at the end of this process.
1986		2442
1987	=cut	2443	=cut
		2444
		2445	our $GOTOGEN;
1988		2446
1989	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991		2452
1992	$self->enter_link;	2453	$self->enter_link;
1993		2454
1994	(async {	2455	(async {
		2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
1995	my $map = eval {	2475	my $map = eval {
1996	my $map = cf::map::find $path;	2476	my $map = defined $path ? cf::map::find $path : undef;
1997		2477
1998	if ($map) {	2478	if ($map) {
1999	$map = $map->customise_for ($self);	2479	$map = $map->customise_for ($self);
2000	$map = $check->($map) if $check && $map;	2480	$map = $check->($map) if $check && $map;
2001	} else {	2481	} else {
2002	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003	}	2483	}
2004		2484
2005	$map	2485	$map
2006	};	2486	};
2007		2487
2008	if ($@) {	2488	if ($@) {
2009	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010	LOG llevError | logBacktrace, Carp::longmess $@;	2490	LOG llevError | logBacktrace, Carp::longmess $@;
2011	}	2491	}
2012		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
2013	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
2014	})->prio (1);	2499	})->prio (1);
2015	}	2500	}
2016		2501
2017	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
2018		2503
…		…
2087	my $hp = $exit->stats->hp;	2572	my $hp = $exit->stats->hp;
2088	my $sp = $exit->stats->sp;	2573	my $sp = $exit->stats->sp;
2089		2574
2090	$self->enter_link;	2575	$self->enter_link;
2091		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
		2580
2092	(async {	2581	(async {
2093	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
2094	unless (eval {	2583	unless (eval {
2095	$self->goto ($slaying, $hp, $sp);	2584	$self->goto ($slaying, $hp, $sp);
2096		2585
…		…
2123		2612
2124	utf8::encode $text;	2613	utf8::encode $text;
2125	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126	}	2615	}
2127		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
2128	=item $client->ext_event ($type, %msg)	2698	=item $client->ext_msg ($type, @msg)
2129		2699
2130	Sends an exti event to the client.	2700	Sends an ext event to the client.
2131		2701
2132	=cut	2702	=cut
2133		2703
2134	sub cf::client::ext_event($$%) {	2704	sub cf::client::ext_msg($$@) {
2135	my ($self, $type, %msg) = @_;	2705	my ($self, $type, @msg) = @_;
2136		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
2137	$msg{msgtype} = "event_$type";	2710	push @msg, msgtype => "event_$type";
2138	$self->send_packet ("ext " . cf::to_json \%msg);	2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
2139	}	2731	}
2140		2732
2141	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
2142		2734
2143	Queues a query to the client, calling the given callback with	2735	Queues a query to the client, calling the given callback with
2144	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2736	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146		2738
2147	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
2148	reliable at some point in the future.	2740	become reliable at some point in the future.
2149		2741
2150	=cut	2742	=cut
2151		2743
2152	sub cf::client::query {	2744	sub cf::client::query {
2153	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
2161	utf8::encode $text;	2753	utf8::encode $text;
2162	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163		2755
2164	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
2165	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
2166	}	2760	}
2167		2761
2168	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
2169	on_reply => sub {	2768	on_reply => sub {
2170	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
2171		2770
2172	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
2173	# get handled first	2772	# get handled first
…		…
2185	} else {	2784	} else {
2186	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187	}	2786	}
2188	}	2787	}
2189	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
2190	);	2815	);
2191		2816
2192	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
2193		2818
2194	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
2235	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
2236	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
2237		2862
2238	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
2239		2864
2240	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
2241		2870
2242	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
2243		2872
2244	=pod	2873	=pod
2245		2874
2246	The following functions and methods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
2247		2876
2248	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
2249	cf::object::player player	2881	cf::object::player
2250	cf::player peaceful	2882	player
2251	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
2252		2889
2253	=cut	2890	=cut
2254		2891
2255	for (	2892	for (
2256	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2257	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2258	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2259	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2260	) {	2899	) {
2261	no strict 'refs';	2900	no strict 'refs';
…		…
2332	=back	2971	=back
2333		2972
2334	=cut	2973	=cut
2335		2974
2336	#############################################################################	2975	#############################################################################
2337
2338	=head2 EXTENSION DATABASE SUPPORT
2339
2340	Crossfire maintains a very simple database for extension use. It can
2341	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342	convert to/from binary).
2343
2344	The parameter C<$family> should best start with the name of the extension
2345	using it, it should be unique.
2346
2347	=over 4
2348
2349	=item $value = cf::db_get $family => $key
2350
2351	Returns a single value from the database.
2352
2353	=item cf::db_put $family => $key => $value
2354
2355	Stores the given C<$value> in the family.
2356
2357	=cut
2358
2359	our $DB;
2360
2361	sub db_init {
2362	unless ($DB) {
2363	$DB = BDB::db_create $DB_ENV;
2364
2365	cf::sync_job {
2366	eval {
2367	$DB->set_flags (BDB::CHKSUM);
2368
2369	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371	cf::cleanup "db_open(db): $!" if $!;
2372	};
2373	cf::cleanup "db_open(db): $@" if $@;
2374	};
2375	}
2376	}
2377
2378	sub db_get($$) {
2379	my $key = "$_[0]/$_[1]";
2380
2381	cf::sync_job {
2382	BDB::db_get $DB, undef, $key, my $data;
2383
2384	$! ? ()
2385	: $data
2386	}
2387	}
2388
2389	sub db_put($$$) {
2390	BDB::dbreq_pri 4;
2391	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392	}
2393
2394	=item cf::cache $id => [$paths...], $processversion => $process
2395
2396	Generic caching function that returns the value of the resource $id,
2397	caching and regenerating as required.
2398
2399	This function can block.
2400
2401	=cut
2402
2403	sub cache {
2404	my ($id, $src, $processversion, $process) = @_;
2405
2406	my $meta =
2407	join "\x00",
2408	$processversion,
2409	map {
2410	aio_stat $_
2411	and Carp::croak "$_: $!";
2412
2413	($_, (stat _)[7,9])
2414	} @$src;
2415
2416	my $dbmeta = db_get cache => "$id/meta";
2417	if ($dbmeta ne $meta) {
2418	# changed, we may need to process
2419
2420	my @data;
2421	my $md5;
2422
2423	for (0 .. $#$src) {
2424	0 <= aio_load $src->[$_], $data[$_]
2425	or Carp::croak "$src->[$_]: $!";
2426	}
2427
2428	# if processing is expensive, check
2429	# checksum first
2430	if (1) {
2431	$md5 =
2432	join "\x00",
2433	$processversion,
2434	map {
2435	Coro::cede;
2436	($src->[$_], Digest::MD5::md5_hex $data[$_])
2437	} 0.. $#$src;
2438
2439
2440	my $dbmd5 = db_get cache => "$id/md5";
2441	if ($dbmd5 eq $md5) {
2442	db_put cache => "$id/meta", $meta;
2443
2444	return db_get cache => "$id/data";
2445	}
2446	}
2447
2448	my $t1 = Time::HiRes::time;
2449	my $data = $process->(\@data);
2450	my $t2 = Time::HiRes::time;
2451
2452	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454	db_put cache => "$id/data", $data;
2455	db_put cache => "$id/md5" , $md5;
2456	db_put cache => "$id/meta", $meta;
2457
2458	return $data;
2459	}
2460
2461	db_get cache => "$id/data"
2462	}
2463
2464	=item fork_call { }, $args
2465
2466	Executes the given code block with the given arguments in a seperate
2467	process, returning the results. Everything must be serialisable with
2468	Coro::Storable. May, of course, block. Note that the executed sub may
2469	never block itself or use any form of Event handling.
2470
2471	=cut
2472
2473	sub fork_call(&@) {
2474	my ($cb, @args) = @_;
2475
2476	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477	# or die "socketpair: $!";
2478	pipe my $fh1, my $fh2
2479	or die "pipe: $!";
2480
2481	if (my $pid = fork) {
2482	close $fh2;
2483
2484	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485	$res = Coro::Storable::thaw $res;
2486
2487	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489	die $$res unless "ARRAY" eq ref $res;
2490
2491	return wantarray ? @$res : $res->[-1];
2492	} else {
2493	reset_signals;
2494	local $SIG{__WARN__};
2495	local $SIG{__DIE__};
2496	eval {
2497	close $fh1;
2498
2499	my @res = eval { $cb->(@args) };
2500	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501	};
2502
2503	warn $@ if $@;
2504	_exit 0;
2505	}
2506	}
2507
2508
2509
2510	#############################################################################
2511	# the server's init and main functions	2976	# the server's init and main functions
2512		2977
2513	sub load_facedata($) {	2978	sub load_facedata($) {
2514	my ($path) = @_;	2979	my ($path) = @_;
		2980
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515		2986
2516	warn "loading facedata from $path\n";	2987	warn "loading facedata from $path\n";
2517		2988
2518	my $facedata;	2989	my $facedata;
2519	0 < aio_load $path, $facedata	2990	0 < aio_load $path, $facedata
…		…
2522	$facedata = Coro::Storable::thaw $facedata;	2993	$facedata = Coro::Storable::thaw $facedata;
2523		2994
2524	$facedata->{version} == 2	2995	$facedata->{version} == 2
2525	or cf::cleanup "$path: version mismatch, cannot proceed.";	2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2526		2997
		2998	# patch in the exptable
		2999	$facedata->{resource}{"res/exp_table"} = {
		3000	type => FT_RSRC,
		3001	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3002	};
		3003	cf::cede_to_tick;
		3004
2527	{	3005	{
2528	my $faces = $facedata->{faceinfo};	3006	my $faces = $facedata->{faceinfo};
2529		3007
2530	while (my ($face, $info) = each %$faces) {	3008	while (my ($face, $info) = each %$faces) {
2531	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2532	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3010	cf::face::set_visibility $idx, $info->{visibility};
		3011	cf::face::set_magicmap $idx, $info->{magicmap};
2533	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535	Coro::cede;	3014
		3015	cf::cede_to_tick;
2536	}	3016	}
2537		3017
2538	while (my ($face, $info) = each %$faces) {	3018	while (my ($face, $info) = each %$faces) {
2539	next unless $info->{smooth};	3019	next unless $info->{smooth};
2540	my $idx = cf::face::find $face	3020	my $idx = cf::face::find $face
2541	or next;	3021	or next;
2542	if (my $smooth = cf::face::find $info->{smooth}) {	3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
2543	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544	} else {	3025	} else {
2545	warn "smooth face '$info->{smooth}' not found for face '$face'";	3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
2546	}	3027	}
2547	Coro::cede;	3028
		3029	cf::cede_to_tick;
2548	}	3030	}
2549	}	3031	}
2550		3032
2551	{	3033	{
2552	my $anims = $facedata->{animinfo};	3034	my $anims = $facedata->{animinfo};
2553		3035
2554	while (my ($anim, $info) = each %$anims) {	3036	while (my ($anim, $info) = each %$anims) {
2555	cf::anim::set $anim, $info->{frames}, $info->{facings};	3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
2556	Coro::cede;	3038	cf::cede_to_tick;
2557	}	3039	}
2558		3040
2559	cf::anim::invalidate_all; # d'oh	3041	cf::anim::invalidate_all; # d'oh
2560	}	3042	}
2561		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
2562	1	3093	1
2563	}	3094	}
2564		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
2565	sub reload_regions {	3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
2566	load_resource_file "$MAPDIR/regions"	3109	load_resource_file "$MAPDIR/regions"
2567	or die "unable to load regions file\n";	3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
2568	}	3116	}
2569		3117
2570	sub reload_facedata {	3118	sub reload_facedata {
2571	load_facedata "$DATADIR/facedata"	3119	load_facedata "$DATADIR/facedata"
2572	or die "unable to load facedata\n";	3120	or die "unable to load facedata\n";
2573	}	3121	}
2574		3122
2575	sub reload_archetypes {	3123	sub reload_archetypes {
2576	load_resource_file "$DATADIR/archetypes"	3124	load_resource_file "$DATADIR/archetypes"
2577	or die "unable to load archetypes\n";	3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
2578	}	3131	}
2579		3132
2580	sub reload_treasures {	3133	sub reload_treasures {
2581	load_resource_file "$DATADIR/treasures"	3134	load_resource_file "$DATADIR/treasures"
2582	or die "unable to load treasurelists\n";	3135	or die "unable to load treasurelists\n";
…		…
2585	sub reload_resources {	3138	sub reload_resources {
2586	warn "reloading resource files...\n";	3139	warn "reloading resource files...\n";
2587		3140
2588	reload_regions;	3141	reload_regions;
2589	reload_facedata;	3142	reload_facedata;
		3143	#reload_archetypes;#d#
2590	reload_archetypes;	3144	reload_archetypes;
2591	reload_treasures;	3145	reload_treasures;
2592		3146
2593	warn "finished reloading resource files\n";	3147	warn "finished reloading resource files\n";
2594	}	3148	}
2595		3149
2596	sub init {	3150	sub init {
2597	reload_resources;	3151	reload_resources;
2598	}	3152	}
2599		3153
2600	sub cfg_load {	3154	sub reload_config {
2601	open my $fh, "<:utf8", "$CONFDIR/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2602	or return;	3156	or return;
2603		3157
2604	local $/;	3158	local $/;
2605	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
…		…
2625	(async {	3179	(async {
2626	Event::one_event;	3180	Event::one_event;
2627	})->prio (Coro::PRIO_MAX);	3181	})->prio (Coro::PRIO_MAX);
2628	};	3182	};
2629		3183
2630	cfg_load;	3184	reload_config;
2631	db_init;	3185	db_init;
2632	load_extensions;	3186	load_extensions;
2633		3187
2634	$TICK_WATCHER->start;	3188	$TICK_WATCHER->start;
2635	Event::loop;	3189	Event::loop;
…		…
2651	},	3205	},
2652	);	3206	);
2653	}	3207	}
2654	}	3208	}
2655		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
		3246	}
		3247
2656	sub emergency_save() {	3248	sub emergency_save() {
2657	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2658		3250
2659	warn "enter emergency perl save\n";	3251	warn "enter emergency perl save\n";
2660		3252
…		…
2735	%EXT_CORO = ();	3327	%EXT_CORO = ();
2736		3328
2737	warn "removing commands";	3329	warn "removing commands";
2738	%COMMAND = ();	3330	%COMMAND = ();
2739		3331
2740	warn "removing ext commands";	3332	warn "removing ext/exti commands";
2741	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2742		3335
2743	warn "unloading/nuking all extensions";	3336	warn "unloading/nuking all extensions";
2744	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2745	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2746		3339
…		…
2789	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2790	require cf;	3383	require cf;
2791	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792		3385
2793	warn "loading config and database again";	3386	warn "loading config and database again";
2794	cf::cfg_load;	3387	cf::reload_config;
2795		3388
2796	warn "loading extensions";	3389	warn "loading extensions";
2797	cf::load_extensions;	3390	cf::load_extensions;
2798		3391
2799	warn "reattaching attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
…		…
2864	my $signal = new Coro::Signal;	3457	my $signal = new Coro::Signal;
2865	push @WAIT_FOR_TICK_BEGIN, $signal;	3458	push @WAIT_FOR_TICK_BEGIN, $signal;
2866	$signal->wait;	3459	$signal->wait;
2867	}	3460	}
2868		3461
2869	my $min = 1e6;#d#
2870	my $avg = 10;
2871	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2872	reentrant => 0,	3463	reentrant => 0,
2873	parked => 1,	3464	parked => 1,
2874	prio => 0,	3465	prio => 0,
2875	at => $NEXT_TICK || $TICK,	3466	at => $NEXT_TICK || $TICK,
…		…
2883		3474
2884	$NOW = $tick_start = Event::time;	3475	$NOW = $tick_start = Event::time;
2885		3476
2886	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
2887		3478
2888	0 && sync_job {#d#
2889	for(1..10) {
2890	my $t = Event::time;
2891	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2892	or die;
2893
2894	$map->width (50);
2895	$map->height (50);
2896	$map->alloc;
2897	$map->_load_objects ("/tmp/x.map", 1);
2898	my $t = Event::time - $t;
2899
2900	#next unless $t < 0.0013;#d#
2901	if ($t < $min) {
2902	$min = $t;
2903	}
2904	$avg = $avg * 0.99 + $t * 0.01;
2905	}
2906	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907	exit 0;
2908	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909	};
2910
2911	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2912	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2913		3481
2914	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915	$NEXT_RUNTIME_WRITE = $NOW + 10;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2917	write_runtime	3485	write_runtime
2918	or warn "ERROR: unable to write runtime file: $!";	3486	or warn "ERROR: unable to write runtime file: $!";
2919	};	3487	};
2920	}	3488	}
2921		3489
2922	# my $AFTER = Event::time;
2923	# warn $AFTER - $NOW;#d#
2924
2925	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926	$sig->send;	3491	$sig->send;
2927	}	3492	}
2928	while (my $sig = shift @WAIT_FOR_TICK) {	3493	while (my $sig = shift @WAIT_FOR_TICK) {
2929	$sig->send;	3494	$sig->send;
…		…
2939		3504
2940	$LOAD = ($NOW - $tick_start) / $TICK;	3505	$LOAD = ($NOW - $tick_start) / $TICK;
2941	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942		3507
2943	_post_tick;	3508	_post_tick;
2944
2945
2946	},	3509	},
2947	);	3510	);
2948		3511
2949	{	3512	{
		3513	BDB::min_parallel 8;
2950	BDB::max_poll_time $TICK * 0.1;	3514	BDB::max_poll_time $TICK * 0.1;
2951	$BDB_POLL_WATCHER = Event->io (	3515	$BDB_POLL_WATCHER = Event->io (
2952	reentrant => 0,	3516	reentrant => 0,
2953	fd => BDB::poll_fileno,	3517	fd => BDB::poll_fileno,
2954	poll => 'r',	3518	poll => 'r',
2955	prio => 0,	3519	prio => 0,
2956	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
2957	cb => \&BDB::poll_cb,	3521	cb => \&BDB::poll_cb,
2958	);	3522	);
2959	BDB::min_parallel 8;
2960		3523
2961	BDB::set_sync_prepare {	3524	BDB::set_sync_prepare {
2962	my $status;	3525	my $status;
2963	my $current = $Coro::current;	3526	my $current = $Coro::current;
2964	(	3527	(
…		…
2973	)	3536	)
2974	};	3537	};
2975		3538
2976	unless ($DB_ENV) {	3539	unless ($DB_ENV) {
2977	$DB_ENV = BDB::db_env_create;	3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978		3545
2979	cf::sync_job {	3546	cf::sync_job {
2980	eval {	3547	eval {
2981	BDB::db_env_open	3548	BDB::db_env_open
2982	$DB_ENV,	3549	$DB_ENV,
…		…
2984	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986	0666;	3553	0666;
2987		3554
2988	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991	$DB_ENV->set_lk_detect;
2992	};	3556	};
2993		3557
2994	cf::cleanup "db_env_open(db): $@" if $@;	3558	cf::cleanup "db_env_open(db): $@" if $@;
2995	};	3559	};
2996	}	3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
		3563	after => 3,
		3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
		3568	cb => sub {
		3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3570	},
		3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
2997	}	3592	}
2998		3593
2999	{	3594	{
3000	IO::AIO::min_parallel 8;	3595	IO::AIO::min_parallel 8;
3001		3596

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