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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.368 by root, Wed Sep 12 11:18:25 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';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		205
194	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	207	# within the Safe compartment.
196	for my $pkg (qw(	208	for my $pkg (qw(
197	cf::global cf::attachable	209	cf::global cf::attachable
…		…
205	}	217	}
206		218
207	$Event::DIED = sub {	219	$Event::DIED = sub {
208	warn "error in event callback: @_";	220	warn "error in event callback: @_";
209	};	221	};
		222
		223	#############################################################################
210		224
211	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
212		226
213	=over 4	227	=over 4
214		228
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	248	$d
235	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
236	}	250	}
237		251
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
241		253
242	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
243		255
244	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
245		257
246	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub to_json ($) { $json_coder->encode ($_[0]) }
		265	sub from_json ($) { $json_coder->decode ($_[0]) }
247		266
248	=item cf::lock_wait $string	267	=item cf::lock_wait $string
249		268
250	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
251		270
…		…
254	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
257	returned.	276	returned.
258		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
259	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
261		283
262	=item $locked = cf::lock_active $string	284	=item $locked = cf::lock_active $string
263		285
264	Return true if the lock is currently active, i.e. somebody has locked it.	286	Return true if the lock is currently active, i.e. somebody has locked it.
265		287
266	=cut	288	=cut
267		289
268	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
269		292
270	sub lock_wait($) {	293	sub lock_wait($) {
271	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
272		300
273	# wait for lock, if any	301	# wait for lock, if any
274	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	304	Coro::schedule;
…		…
282		310
283	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
284	lock_wait $key;	312	lock_wait $key;
285		313
286	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
287		316
288	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
291	}	321	}
292	}	322	}
293		323
…		…
305	};	335	};
306	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
307	$guard	337	$guard
308	}	338	}
309		339
		340	=item cf::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
310	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
311		397
312	Currently the same as Coro::async_pool, meaning you cannot use	398	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	399	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.	400	thing you are allowed to do is call C<prio> on it.
…		…
317		403
318	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
319		405
320	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
321		407
322	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)
323	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
324	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.
325		412
326	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
327	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
328	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
329	fast or be very important.	416	fast or be very important.
…		…
356	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
357	}	444	}
358		445
359	$time = Event::time - $time;	446	$time = Event::time - $time;
360		447
361	LOG llevError | logBacktrace, "long sync job\n"	448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		450
364	$tick_start += $time; # do not account sync jobs to server load	451	$tick_start += $time; # do not account sync jobs to server load
365		452
366	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
367	} else {	454	} else {
…		…
389	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
390		477
391	$coro	478	$coro
392	}	479	}
393		480
394	sub write_runtime {	481	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		482
397	# first touch the runtime file to show we are still running:	483	Executes the given code block with the given arguments in a seperate
398	# 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.
399		487
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	488	=cut
401	utime undef, undef, $fh;	489
		490	sub fork_call(&@) {
		491	my ($cb, @args) = @_;
		492
		493	# we seemingly have to make a local copy of the whole thing,
		494	# otherwise perl prematurely frees the stuff :/
		495	# TODO: investigate and fix (likely this will be rather laborious)
		496
		497	my @res = Coro::Util::fork_eval {
		498	reset_signals;
		499	&$cb
		500	}, @args;
		501
		502	wantarray ? @res : $res[-1]
		503	}
		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		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 $!;
402	}	532	};
		533	cf::cleanup "db_open(db): $@" if $@;
403		534
404	my $guard = cf::lock_acquire "write_runtime";	535	$db
		536	}
405		537
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	538	our $DB;
407	or return;
408		539
409	my $value = $cf::RUNTIME + 90 + 10;	540	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	541	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	542	$DB ||= db_table "db";
		543	};
		544	}
412		545
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	546	sub db_get($$) {
414	and return;	547	my $key = "$_[0]/$_[1]";
415		548
416	# always fsync - this file is important	549	cf::sync_job {
417	aio_fsync $fh	550	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		551
420	# touch it again to show we are up-to-date	552	$! ? ()
421	utime undef, undef, $fh;	553	: $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	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"
432	}	630	}
433		631
434	=item cf::datalog type => key => value, ...	632	=item cf::datalog type => key => value, ...
435		633
436	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.
…		…
454	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")
455	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
456		654
457	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>
458	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
459	crossfire+).	657	Crossfire TRT).
460		658
461	=over 4	659	=over 4
462		660
463	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
464		662
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
628		826
629	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		831
634	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	833	my $pkg = shift @arg;
636		834
637	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
667	}	865	}
668		866
669	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
670	} else {	868	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	870	}
673		871
674	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
675	}	873	}
676		874
…		…
678	if (ref $_[0]) {	876	if (ref $_[0]) {
679	_object_attach @_;	877	_object_attach @_;
680	} else {	878	} else {
681	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
682	}	880	}
		881	_recalc_want;
683	};	882	};
684		883
685	# all those should be optimised	884	# all those should be optimised
686	sub cf::attachable::detach {	885	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
691	reattach ($obj);	890	reattach ($obj);
692	} else {	891	} else {
693	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
694	}	893	}
		894	_recalc_want;
695	};	895	};
696		896
697	sub cf::attachable::attached {	897	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
699		899
…		…
714	";	914	";
715	die if $@;	915	die if $@;
716	}	916	}
717		917
718	our $override;	918	our $override;
719	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?
720		920
721	sub override {	921	sub override {
722	$override = 1;	922	$override = 1;
723	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
724	}	924	}
725		925
726	sub do_invoke {	926	sub do_invoke {
727	my $event = shift;	927	my $event = shift;
728	my $callbacks = shift;	928	my $callbacks = shift;
729		929
730	@invoke_results = ();	930	@INVOKE_RESULTS = ();
731		931
732	local $override;	932	local $override;
733		933
734	for (@$callbacks) {	934	for (@$callbacks) {
735	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
752		952
753	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
754		954
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		958
759	=back	959	=back
760		960
761	=cut	961	=cut
762		962
763	#############################################################################	963	#############################################################################
764	# 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	}
765		976
766	sub reattach {	977	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	979	my ($obj) = @_;
769		980
…		…
814	);	1025	);
815		1026
816	sub object_freezer_save {	1027	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
818		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
819	sync_job {	1032	sync_job {
820	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
823		1037
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
846	}	1060	}
847	} else {	1061	} else {
848	aio_unlink $filename;	1062	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
850	}	1064	}
851	}	1065	};
		1066
		1067	undef $guard;
852	}	1068	}
853		1069
854	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
856		1072
…		…
861		1077
862	sub object_thawer_load {	1078	sub object_thawer_load {
863	my ($filename) = @_;	1079	my ($filename) = @_;
864		1080
865	my ($data, $av);	1081	my ($data, $av);
		1082
		1083	my $guard = cf::lock_acquire "io";
866		1084
867	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
868	or return;	1086	or return;
869		1087
870	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
872	or return;	1090	or return;
		1091
		1092	undef $guard;
873	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1094	}
875		1095
		1096	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
878	return ($data, $av);	1100	($data, $av)
879	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
880		1108
881	#############################################################################	1109	#############################################################################
882	# command handling &c	1110	# command handling &c
883		1111
884	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1126	}
899		1127
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1129
902	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.
903		1135
904	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
905	called.	1137	called.
906		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
907	=cut	1150	=cut
908		1151
909	sub register_extcmd {	1152	sub register_extcmd {
910	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
911		1154
912	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
913	}	1162	}
914		1163
915	cf::player->attach (	1164	cf::player->attach (
916	on_command => sub {	1165	on_command => sub {
917	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1175	cf::override;
927	},	1176	},
928	on_extcmd => sub {	1177	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
930		1179
931	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1181
933	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
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
939	} else {	1197	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1199	}
942		1200
943	cf::override;	1201	cf::override;
944	},	1202	},
945	);	1203	);
946		1204
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
982	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1210	next unless -r $path;
984	eval {	1211
985	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;
986	1	1269	}
987	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
988	}	1275	};
989	}	1276	}
990		1277
991	#############################################################################	1278	#############################################################################
992		1279
		1280	=back
		1281
993	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
994		1283
995	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
996		1285
997	=cut	1286	=cut
…		…
1001	use Coro::AIO;	1290	use Coro::AIO;
1002		1291
1003	=head3 cf::player	1292	=head3 cf::player
1004		1293
1005	=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	}
1006		1309
1007	=item cf::player::find $login	1310	=item cf::player::find $login
1008		1311
1009	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
1010		1313
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1352	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1353
1051	my $pl = load_pl path $login	1354	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1054	}	1363	}
1055	}	1364	}
1056	}	1365	}
1057		1366
…		…
1067		1376
1068	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1070		1379
1071	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1072	Coro::cede;	1381	cf::cede_to_tick;
1073	}	1382	}
1074		1383
1075	sub new($) {	1384	sub new($) {
1076	my ($login) = @_;	1385	my ($login) = @_;
1077		1386
…		…
1081	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1082		1391
1083	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1084		1393
1085	$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 (@_);
1086	}	1405	}
1087		1406
1088	=item $pl->quit_character	1407	=item $pl->quit_character
1089		1408
1090	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
…		…
1145	or return [];	1464	or return [];
1146		1465
1147	my @logins;	1466	my @logins;
1148		1467
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1153		1477
1154	utf8::decode $login;	1478	utf8::decode $login;
1155	push @logins, $login;	1479	push @logins, $login;
1156	}	1480	}
1157		1481
…		…
1184	}	1508	}
1185		1509
1186	\@paths	1510	\@paths
1187	}	1511	}
1188		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
1189	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1190		1565
1191	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1192		1567
1193	=cut	1568	=cut
1194		1569
1195	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1197		1572
1198	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1574	}
1202		1575
1203	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1204		1577
1205	Sends an ext event to the client.	1578	Sends an ext event to the client.
1206		1579
1207	=cut	1580	=cut
1208		1581
1209	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1211		1584
1212	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1213	}	1586	}
1214		1587
1215	=head3 cf::region	1588	=head3 cf::region
1216		1589
1217	=over 4	1590	=over 4
…		…
1220		1593
1221	package cf::region;	1594	package cf::region;
1222		1595
1223	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1224		1597
1225	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1226		1599
1227	=cut	1600	=cut
1228		1601
1229	sub find_by_path($) {	1602	sub find_by_path($) {
1230	my ($path) = @_;	1603	my ($path) = @_;
1231		1604
1232	my ($match, $specificity);	1605	my ($match, $specificity);
1233		1606
1234	for my $region (list) {	1607	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1238	}	1611	}
1239	}	1612	}
1240		1613
…		…
1304	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1305		1678
1306	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1307	local $self->{path};	1680	local $self->{path};
1308	local $self->{load_path};	1681	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1682
1312	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1313	}	1684	}
1314		1685
1315	sub normalise {	1686	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1363	return $self;	1734	return $self;
1364	}	1735	}
1365	}	1736	}
1366		1737
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1739	()
1369	}	1740	}
1370		1741
1371	sub init {	1742	sub init {
1372	my ($self) = @_;	1743	my ($self) = @_;
…		…
1415		1786
1416	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1418	}	1789	}
1419		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1420	sub unlink_save {	1799	sub unlink_save {
1421	my ($self) = @_;	1800	my ($self) = @_;
1422		1801
1423	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1806
1428	sub load_header_from($) {	1807	sub load_header_from($) {
1429	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1430		1809
1431	utf8::encode $path;	1810	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	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;
1437		1819
1438	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1439		1821
1440	1	1822	1
1441	}	1823	}
…		…
1480	$self->load_header_orig	1862	$self->load_header_orig
1481	or return;	1863	or return;
1482	$self->prepare_orig;	1864	$self->prepare_orig;
1483	}	1865	}
1484		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1485	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1871	unless $self->default_region;
1487		1872
1488	1	1873	1
1489	}	1874	}
…		…
1492	sub find {	1877	sub find {
1493	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1494		1879
1495	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1496		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1498		1884
1499	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1500	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
1501	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1502	or return;	1890	or return;
1503		1891
1504	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1505		1893
1506	$map->load_header	1894	$map->load_header
1507	or return;	1895	or return;
1508		1896
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1512	$map->reset;	1902	$map->reset;
1513	undef $guard;
1514	return find $path;	1903	return find $path;
1515	}	1904	}
1516		1905
1517	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1518	}	1907	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1528		1917
1529	my $path = $self->{path};	1918	my $path = $self->{path};
1530		1919
1531	{	1920	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1533		1922
		1923	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1925
1536	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1537		1927
1538	$self->alloc;	1928	$self->alloc;
1539		1929
1540	$self->pre_load;	1930	$self->pre_load;
1541	Coro::cede;	1931	cf::cede_to_tick;
1542		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1544	or return;	1936	or return;
1545		1937
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1939	if delete $self->{load_original};
1548		1940
1549	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1942	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1945	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1554	}	1949	}
1555	}	1950	}
1556		1951
1557	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1558	# now do the right thing for maps	1955	# now do the right thing for maps
1559	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1958	unless $self->difficulty;
1562	Coro::cede;	1959	cf::cede_to_tick;
1563		1960
1564	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1962	$self->decay_objects;
1566	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1567	$self->update_buttons;	1964	$self->update_buttons;
1568	Coro::cede;	1965	cf::cede_to_tick;
1569	$self->set_darkness_map;	1966	$self->set_darkness_map;
1570	Coro::cede;	1967	cf::cede_to_tick;
1571	$self->activate;	1968	$self->activate;
1572	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1573		1973
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1975	}
1576		1976
1577	$self->post_load;	1977	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1582		1982
1583	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1984	if $self->per_player;
1585		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1586	$self	1989	$self
1587	}	1990	}
1588		1991
1589	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1993	sub load_neighbours {
1591	my ($map) = @_;	1994	my ($map) = @_;
1592		1995
1593	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1594		1997
1595	for (0 .. 3) {	1998	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1597	or next;	2000	or next;
1598	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1599	or next;	2002	or next;
1600	$neigh->load;	2003	$neigh->load;
1601		2004
		2005	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2008	}
1605		2009
1606	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1608	or next;	2013	or next;
1609	$neigh->load;	2014	$neigh->load;
1610	}	2015	}
1611	}	2016	}
1612		2017
…		…
1617	}	2022	}
1618		2023
1619	sub do_load_sync {	2024	sub do_load_sync {
1620	my ($map) = @_;	2025	my ($map) = @_;
1621		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1622	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1623	}	2031	}
1624		2032
1625	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1627		2035
1628	sub find_async {	2036	sub find_async {
1629	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1630		2038
1631	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1632		2040
1633	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2043	}
1636		2044
1637	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1638	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1639	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2050	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2051	$map->load if $v;
		2052	}
1644		2053
1645	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1646	}	2055	}
1647	}	2056	}
1648	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1649	};	2058	};
1650	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2062	}
1654		2063
1655	sub save {	2064	sub save {
1656	my ($self) = @_;	2065	my ($self) = @_;
1657		2066
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2068
1660	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1661		2070
1662	return unless $self->dirty;	2071	return unless $self->dirty;
1663		2072
…		…
1686	my ($self) = @_;	2095	my ($self) = @_;
1687		2096
1688	# save first because save cedes	2097	# save first because save cedes
1689	$self->save;	2098	$self->save;
1690		2099
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2101
1693	return if $self->players;	2102	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2104	return if $self->{deny_save};
1696		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2110	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2111	}
1700		2112
1701	sub reset_at {	2113	sub reset_at {
1702	my ($self) = @_;	2114	my ($self) = @_;
1703		2115
1704	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1707		2118
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2121
…		…
1721	my ($self) = @_;	2132	my ($self) = @_;
1722		2133
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2135
1725	return if $self->players;	2136	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2137
1728	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1729		2139
1730	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1731		2141
1732	# need to save uniques path	2142	# need to save uniques path
1733	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2147	if $uniq;
1738	}	2148	}
1739		2149
1740	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1741		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2154	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2155
1746	$self->unlink_save;	2156	$self->unlink_save;
1747	$self->destroy;	2157	$self->destroy;
1748	}	2158	}
1749		2159
1750	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1751		2161
1752	sub nuke {	2162	sub nuke {
1753	my ($self) = @_;	2163	my ($self) = @_;
1754		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1755	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1756		2169
1757	$self->unlink_save;	2170	$self->unlink_save;
1758		2171
1759	bless $self, "cf::map";	2172	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2177
1765	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1766		2180
1767	$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	]
1768	}	2218	}
1769		2219
1770	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1771		2221
1772	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2223	instantiated unique items. May block.
1774		2224
1775	=cut	2225	=cut
1776		2226
1777	sub unique_maps() {	2227	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2228	[
1779	or return;	2229	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2230	utf8::decode $_;
1785	next if /\.pst$/;	2231	/\.map$/
1786	next unless /^$PATH_SEP/o;	2232	? normalise $_
1787		2233	: ()
1788	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2235	]
1790
1791	\@paths
1792	}	2236	}
1793		2237
1794	package cf;	2238	package cf;
1795		2239
1796	=back	2240	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1815	}	2259	}
1816		2260
1817	sub inv_recursive {	2261	sub inv_recursive {
1818	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	}
1819	}	2294	}
1820		2295
1821	package cf;	2296	package cf;
1822		2297
1823	=back	2298	=back
…		…
1842		2317
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2319
1845	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1850	}	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 (@_);
1851	}	2345	}
1852		2346
1853	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1854		2348
1855	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1903		2397
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2399
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1908		2402
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2404	}
1911		2405
1912	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1914		2410
1915	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1916		2412
1917	unless ($map) {	2413	unless ($map) {
1918	# restore original map position	2414	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1935		2431
1936	$map->load;	2432	$map->load;
1937	$map->load_diag;	2433	$map->load_neighbours;
1938		2434
1939	return unless $self->contr->active;	2435	return unless $self->contr->active;
1940	$self->activate_recursive;	2436	$self->activate_recursive;
1941		2437
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1944	}	2440	}
1945		2441
1946	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2443
1950	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1954	};	2448	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2449
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1981		2453
1982	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2459
1985	$self->enter_link;	2460	$self->enter_link;
1986		2461
1987	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	}
		2472	# else put him there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	}
		2476	}
		2477
1988	my $map = eval {	2478	my $map = eval {
1989	my $map = cf::map::find $path;	2479	my $map = cf::map::find $path;
		2480
		2481	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2482	$map = $map->customise_for ($self);
		2483	$map = $check->($map) if $check && $map;
		2484	} else {
		2485	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2486	}
		2487
1991	$map	2488	$map
		2489	};
		2490
		2491	if ($@) {
		2492	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2493	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2494	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2495
		2496	if ($gen == $self->{_goto_generation}) {
		2497	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2498	$self->leave_link ($map, $x, $y);
		2499	}
		2500
		2501	$done->() if $done;
1996	})->prio (1);	2502	})->prio (1);
1997	}	2503	}
1998		2504
1999	=item $player_object->enter_exit ($exit_object)	2505	=item $player_object->enter_exit ($exit_object)
2000		2506
…		…
2069	my $hp = $exit->stats->hp;	2575	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2576	my $sp = $exit->stats->sp;
2071		2577
2072	$self->enter_link;	2578	$self->enter_link;
2073		2579
		2580	# if exit is damned, update players death & WoR home-position
		2581	$self->contr->savebed ($slaying, $hp, $sp)
		2582	if $exit->flag (FLAG_DAMNED);
		2583
2074	(async {	2584	(async {
2075	$self->deactivate_recursive; # just to be sure	2585	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2586	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2587	$self->goto ($slaying, $hp, $sp);
2078		2588
…		…
2105		2615
2106	utf8::encode $text;	2616	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2617	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2618	}
2109		2619
		2620	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2621
		2622	Send a drawinfo or msg packet to the client, formatting the msg for the
		2623	client if neccessary. C<$type> should be a string identifying the type of
		2624	the message, with C<log> being the default. If C<$color> is negative, suppress
		2625	the message unless the client supports the msg packet.
		2626
		2627	=cut
		2628
		2629	our %CHANNEL = (
		2630	"c/identify" => {
		2631	id => "identify",
		2632	title => "Identify",
		2633	reply => undef,
		2634	tooltip => "Items recently identified",
		2635	},
		2636	"c/examine" => {
		2637	id => "examine",
		2638	title => "Examine",
		2639	reply => undef,
		2640	tooltip => "Signs and other items you examined",
		2641	},
		2642	);
		2643
		2644	sub cf::client::send_msg {
		2645	my ($self, $channel, $msg, $color, @extra) = @_;
		2646
		2647	$msg = $self->pl->expand_cfpod ($msg);
		2648
		2649	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2650
		2651	# check predefined channels, for the benefit of C
		2652	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2653
		2654	if (ref $channel) {
		2655	# send meta info to client, if not yet sent
		2656	unless (exists $self->{channel}{$channel->{id}}) {
		2657	$self->{channel}{$channel->{id}} = $channel;
		2658	$self->ext_msg (channel_info => $channel)
		2659	if $self->can_msg;
		2660	}
		2661
		2662	$channel = $channel->{id};
		2663	}
		2664
		2665	return unless @extra || length $msg;
		2666
		2667	if ($self->can_msg) {
		2668	# default colour, mask it out
		2669	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2670	if $color & cf::NDI_DEF;
		2671
		2672	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2673	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2674	} else {
		2675	if ($color >= 0) {
		2676	# replace some tags by gcfclient-compatible ones
		2677	for ($msg) {
		2678	1 while
		2679	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2680	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2681	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2682	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2683	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2684	}
		2685
		2686	$color &= cf::NDI_COLOR_MASK;
		2687
		2688	utf8::encode $msg;
		2689
		2690	if (0 && $msg =~ /\[/) {
		2691	# COMMAND/INFO
		2692	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2693	} else {
		2694	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2695	$self->send_packet ("drawinfo $color $msg")
		2696	}
		2697	}
		2698	}
		2699	}
		2700
2110	=item $client->ext_event ($type, %msg)	2701	=item $client->ext_msg ($type, @msg)
2111		2702
2112	Sends an exti event to the client.	2703	Sends an ext event to the client.
2113		2704
2114	=cut	2705	=cut
2115		2706
2116	sub cf::client::ext_event($$%) {	2707	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2708	my ($self, $type, @msg) = @_;
2118		2709
		2710	if ($self->extcmd == 2) {
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2712	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2713	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2714	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2715	}
		2716	}
		2717
		2718	=item $client->ext_reply ($msgid, @msg)
		2719
		2720	Sends an ext reply to the client.
		2721
		2722	=cut
		2723
		2724	sub cf::client::ext_reply($$@) {
		2725	my ($self, $id, @msg) = @_;
		2726
		2727	if ($self->extcmd == 2) {
		2728	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2729	} elsif ($self->extcmd == 1) {
		2730	#TODO: version 1, remove
		2731	unshift @msg, msgtype => "reply", msgid => $id;
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
2121	}	2734	}
2122		2735
2123	=item $success = $client->query ($flags, "text", \&cb)	2736	=item $success = $client->query ($flags, "text", \&cb)
2124		2737
2125	Queues a query to the client, calling the given callback with	2738	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2739	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2740	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2741
2129	Queries can fail, so check the return code. Or don't, as queries will become	2742	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2743	become reliable at some point in the future.
2131		2744
2132	=cut	2745	=cut
2133		2746
2134	sub cf::client::query {	2747	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2748	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2756	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2757	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2758
2146	$self->send_packet ($self->{query_queue}[0][0])	2759	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2760	if @{ $self->{query_queue} } == 1;
		2761
		2762	1
2148	}	2763	}
2149		2764
2150	cf::client->attach (	2765	cf::client->attach (
		2766	on_connect => sub {
		2767	my ($ns) = @_;
		2768
		2769	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2770	},
2151	on_reply => sub {	2771	on_reply => sub {
2152	my ($ns, $msg) = @_;	2772	my ($ns, $msg) = @_;
2153		2773
2154	# this weird shuffling is so that direct followup queries	2774	# this weird shuffling is so that direct followup queries
2155	# get handled first	2775	# get handled first
…		…
2167	} else {	2787	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2788	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2789	}
2170	}	2790	}
2171	},	2791	},
		2792	on_exticmd => sub {
		2793	my ($ns, $buf) = @_;
		2794
		2795	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2796
		2797	if (ref $msg) {
		2798	my ($type, $reply, @payload) =
		2799	"ARRAY" eq ref $msg
		2800	? @$msg
		2801	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2802
		2803	my @reply;
		2804
		2805	if (my $cb = $EXTICMD{$type}) {
		2806	@reply = $cb->($ns, @payload);
		2807	}
		2808
		2809	$ns->ext_reply ($reply, @reply)
		2810	if $reply;
		2811
		2812	} else {
		2813	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2814	}
		2815
		2816	cf::override;
		2817	},
2172	);	2818	);
2173		2819
2174	=item $client->async (\&cb)	2820	=item $client->async (\&cb)
2175		2821
2176	Create a new coroutine, running the specified callback. The coroutine will	2822	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2863	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2864	our $safe_hole = new Safe::Hole;
2219		2865
2220	$SIG{FPE} = 'IGNORE';	2866	$SIG{FPE} = 'IGNORE';
2221		2867
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2868	$safe->permit_only (Opcode::opset qw(
		2869	:base_core :base_mem :base_orig :base_math
		2870	grepstart grepwhile mapstart mapwhile
		2871	sort time
		2872	));
2223		2873
2224	# here we export the classes and methods available to script code	2874	# here we export the classes and methods available to script code
2225		2875
2226	=pod	2876	=pod
2227		2877
2228	The following functions and methods are available within a safe environment:	2878	The following functions and methods are available within a safe environment:
2229		2879
2230	cf::object contr pay_amount pay_player map	2880	cf::object
		2881	contr pay_amount pay_player map x y force_find force_add
		2882	insert remove name archname title slaying race decrease_ob_nr
		2883
2231	cf::object::player player	2884	cf::object::player
2232	cf::player peaceful	2885	player
2233	cf::map trigger	2886
		2887	cf::player
		2888	peaceful
		2889
		2890	cf::map
		2891	trigger
2234		2892
2235	=cut	2893	=cut
2236		2894
2237	for (	2895	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2896	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2897	insert remove inv name archname title slaying race
		2898	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2899	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2900	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2901	["cf::map" => qw(trigger)],
2242	) {	2902	) {
2243	no strict 'refs';	2903	no strict 'refs';
…		…
2314	=back	2974	=back
2315		2975
2316	=cut	2976	=cut
2317		2977
2318	#############################################################################	2978	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2979	# the server's init and main functions
2494		2980
2495	sub load_facedata($) {	2981	sub load_facedata($) {
2496	my ($path) = @_;	2982	my ($path) = @_;
		2983
		2984	# HACK to clear player env face cache, we need some signal framework
		2985	# for this (global event?)
		2986	%ext::player_env::MUSIC_FACE_CACHE = ();
		2987
		2988	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		2989
2498	warn "loading facedata from $path\n";	2990	warn "loading facedata from $path\n";
2499		2991
2500	my $facedata;	2992	my $facedata;
2501	0 < aio_load $path, $facedata	2993	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	2996	$facedata = Coro::Storable::thaw $facedata;
2505		2997
2506	$facedata->{version} == 2	2998	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	2999	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3000
		3001	# patch in the exptable
		3002	$facedata->{resource}{"res/exp_table"} = {
		3003	type => FT_RSRC,
		3004	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3005	};
		3006	cf::cede_to_tick;
		3007
2509	{	3008	{
2510	my $faces = $facedata->{faceinfo};	3009	my $faces = $facedata->{faceinfo};
2511		3010
2512	while (my ($face, $info) = each %$faces) {	3011	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3012	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3013	cf::face::set_visibility $idx, $info->{visibility};
		3014	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3015	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3016	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3017
		3018	cf::cede_to_tick;
2518	}	3019	}
2519		3020
2520	while (my ($face, $info) = each %$faces) {	3021	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3022	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3023	my $idx = cf::face::find $face
2523	or next;	3024	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3025	if (my $smooth = cf::face::find $info->{smooth}) {
		3026	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3027	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3028	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3029	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3030	}
2529	Coro::cede;	3031
		3032	cf::cede_to_tick;
2530	}	3033	}
2531	}	3034	}
2532		3035
2533	{	3036	{
2534	my $anims = $facedata->{animinfo};	3037	my $anims = $facedata->{animinfo};
2535		3038
2536	while (my ($anim, $info) = each %$anims) {	3039	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3040	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3041	cf::cede_to_tick;
2539	}	3042	}
2540		3043
2541	cf::anim::invalidate_all; # d'oh	3044	cf::anim::invalidate_all; # d'oh
2542	}	3045	}
2543		3046
		3047	{
		3048	# TODO: for gcfclient pleasure, we should give resources
		3049	# that gcfclient doesn't grok a >10000 face index.
		3050	my $res = $facedata->{resource};
		3051
		3052	my $soundconf = delete $res->{"res/sound.conf"};
		3053
		3054	while (my ($name, $info) = each %$res) {
		3055	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3056	my $data;
		3057
		3058	if ($info->{type} & 1) {
		3059	# prepend meta info
		3060
		3061	my $meta = $enc->encode ({
		3062	name => $name,
		3063	%{ $info->{meta} || {} },
		3064	});
		3065
		3066	$data = pack "(w/a*)*", $meta, $info->{data};
		3067	} else {
		3068	$data = $info->{data};
		3069	}
		3070
		3071	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3072	cf::face::set_type $idx, $info->{type};
		3073
		3074	cf::cede_to_tick;
		3075	}
		3076
		3077	if ($soundconf) {
		3078	$soundconf = $enc->decode (delete $soundconf->{data});
		3079
		3080	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3081	my $sound = $soundconf->{compat}[$_]
		3082	or next;
		3083
		3084	my $face = cf::face::find "sound/$sound->[1]";
		3085	cf::sound::set $sound->[0] => $face;
		3086	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3087	}
		3088
		3089	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3090	my $face = cf::face::find "sound/$v";
		3091	cf::sound::set $k => $face;
		3092	}
		3093	}
		3094	}
		3095
2544	1	3096	1
2545	}	3097	}
2546		3098
		3099	register_exticmd fx_want => sub {
		3100	my ($ns, $want) = @_;
		3101
		3102	while (my ($k, $v) = each %$want) {
		3103	$ns->fx_want ($k, $v);
		3104	}
		3105	};
		3106
2547	sub reload_regions {	3107	sub reload_regions {
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
2548	load_resource_file "$MAPDIR/regions"	3112	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3113	or die "unable to load regions file\n";
		3114
		3115	for (cf::region::list) {
		3116	$_->{match} = qr/$_->{match}/
		3117	if exists $_->{match};
		3118	}
2550	}	3119	}
2551		3120
2552	sub reload_facedata {	3121	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3122	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3123	or die "unable to load facedata\n";
2555	}	3124	}
2556		3125
2557	sub reload_archetypes {	3126	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3127	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3128	or die "unable to load archetypes\n";
		3129	#d# NEED to laod twice to resolve forward references
		3130	# this really needs to be done in an extra post-pass
		3131	# (which needs to be synchronous, so solve it differently)
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
2560	}	3134	}
2561		3135
2562	sub reload_treasures {	3136	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3137	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3138	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3141	sub reload_resources {
2568	warn "reloading resource files...\n";	3142	warn "reloading resource files...\n";
2569		3143
2570	reload_regions;	3144	reload_regions;
2571	reload_facedata;	3145	reload_facedata;
		3146	#reload_archetypes;#d#
2572	reload_archetypes;	3147	reload_archetypes;
2573	reload_treasures;	3148	reload_treasures;
2574		3149
2575	warn "finished reloading resource files\n";	3150	warn "finished reloading resource files\n";
2576	}	3151	}
2577		3152
2578	sub init {	3153	sub init {
2579	reload_resources;	3154	reload_resources;
2580	}	3155	}
2581		3156
2582	sub cfg_load {	3157	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3158	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3159	or return;
2585		3160
2586	local $/;	3161	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3162	*CFG = YAML::Syck::Load <$fh>;
…		…
2607	(async {	3182	(async {
2608	Event::one_event;	3183	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3184	})->prio (Coro::PRIO_MAX);
2610	};	3185	};
2611		3186
2612	cfg_load;	3187	reload_config;
2613	db_init;	3188	db_init;
2614	load_extensions;	3189	load_extensions;
2615		3190
2616	$TICK_WATCHER->start;	3191	$TICK_WATCHER->start;
2617	Event::loop;	3192	Event::loop;
…		…
2633	},	3208	},
2634	);	3209	);
2635	}	3210	}
2636	}	3211	}
2637		3212
		3213	sub write_runtime {
		3214	my $runtime = "$LOCALDIR/runtime";
		3215
		3216	# first touch the runtime file to show we are still running:
		3217	# the fsync below can take a very very long time.
		3218
		3219	IO::AIO::aio_utime $runtime, undef, undef;
		3220
		3221	my $guard = cf::lock_acquire "write_runtime";
		3222
		3223	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3224	or return;
		3225
		3226	my $value = $cf::RUNTIME + 90 + 10;
		3227	# 10 is the runtime save interval, for a monotonic clock
		3228	# 60 allows for the watchdog to kill the server.
		3229
		3230	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3231	and return;
		3232
		3233	# always fsync - this file is important
		3234	aio_fsync $fh
		3235	and return;
		3236
		3237	# touch it again to show we are up-to-date
		3238	aio_utime $fh, undef, undef;
		3239
		3240	close $fh
		3241	or return;
		3242
		3243	aio_rename "$runtime~", $runtime
		3244	and return;
		3245
		3246	warn "runtime file written.\n";
		3247
		3248	1
		3249	}
		3250
2638	sub emergency_save() {	3251	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3252	my $freeze_guard = cf::freeze_mainloop;
2640		3253
2641	warn "enter emergency perl save\n";	3254	warn "enter emergency perl save\n";
2642		3255
…		…
2717	%EXT_CORO = ();	3330	%EXT_CORO = ();
2718		3331
2719	warn "removing commands";	3332	warn "removing commands";
2720	%COMMAND = ();	3333	%COMMAND = ();
2721		3334
2722	warn "removing ext commands";	3335	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3336	%EXTCMD = ();
		3337	%EXTICMD = ();
2724		3338
2725	warn "unloading/nuking all extensions";	3339	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3340	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3341	warn "... unloading $pkg";
2728		3342
…		…
2771	warn "reloading cf.pm";	3385	warn "reloading cf.pm";
2772	require cf;	3386	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3388
2775	warn "loading config and database again";	3389	warn "loading config and database again";
2776	cf::cfg_load;	3390	cf::reload_config;
2777		3391
2778	warn "loading extensions";	3392	warn "loading extensions";
2779	cf::load_extensions;	3393	cf::load_extensions;
2780		3394
2781	warn "reattaching attachments to objects/players";	3395	warn "reattaching attachments to objects/players";
…		…
2845		3459
2846	my $signal = new Coro::Signal;	3460	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	3461	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	3462	$signal->wait;
2849	}	3463	}
		3464
		3465	our $stat_fh;
		3466	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2850		3467
2851	$TICK_WATCHER = Event->timer (	3468	$TICK_WATCHER = Event->timer (
2852	reentrant => 0,	3469	reentrant => 0,
2853	parked => 1,	3470	parked => 1,
2854	prio => 0,	3471	prio => 0,
…		…
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	3477	unless ++$bug_warning > 10;
2861	return;	3478	return;
2862	}	3479	}
2863		3480
		3481	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3482
2864	$NOW = $tick_start = Event::time;	3483	$NOW = $tick_start = Event::time;
2865		3484
2866	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
2867		3486
2868	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
…		…
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3516	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3517	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3518
2900	_post_tick;	3519	_post_tick;
2901		3520
2902		3521	# gather some statistics#d#
		3522	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3523	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2903	},	3524	},
2904	);	3525	);
2905		3526
2906	{	3527	{
		3528	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3529	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3530	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3531	reentrant => 0,
2910	fd => BDB::poll_fileno,	3532	fd => BDB::poll_fileno,
2911	poll => 'r',	3533	poll => 'r',
2912	prio => 0,	3534	prio => 0,
2913	data => WF_AUTOCANCEL,	3535	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3536	cb => \&BDB::poll_cb,
2915	);	3537	);
2916	BDB::min_parallel 8;
2917		3538
2918	BDB::set_sync_prepare {	3539	BDB::set_sync_prepare {
2919	my $status;	3540	my $status;
2920	my $current = $Coro::current;	3541	my $current = $Coro::current;
2921	(	3542	(
…		…
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3563	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3564	0666;
2944		3565
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3566	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946		3567
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
2948	$DB_ENV->set_lk_detect;	3570	$DB_ENV->set_lk_detect;
2949	};	3571	};
2950		3572
2951	cf::cleanup "db_env_open(db): $@" if $@;	3573	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3574	};
2953	}	3575	}
		3576
		3577	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3578	after => 11,
		3579	interval => 60,
		3580	hard => 1,
		3581	prio => 0,
		3582	data => WF_AUTOCANCEL,
		3583	cb => sub {
		3584	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3585	},
		3586	);
		3587	$BDB_TRICKLE_WATCHER = Event->timer (
		3588	after => 5,
		3589	interval => 10,
		3590	hard => 1,
		3591	prio => 0,
		3592	data => WF_AUTOCANCEL,
		3593	cb => sub {
		3594	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3595	},
		3596	);
2954	}	3597	}
2955		3598
2956	{	3599	{
2957	IO::AIO::min_parallel 8;	3600	IO::AIO::min_parallel 8;
2958		3601

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