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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.384 by root, Fri Oct 12 18:17:16 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 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
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	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	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	402	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.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
342	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
343	# (but this is cancel-safe)	435	# (but this is cancel-safe)
344	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
345		437
346	my $busy = 1;	438	my $busy = 1;
347	my @res;	439	my @res;
348		440
349	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	443	@res = eval { $job->() };
351	warn $@ if $@;	444	warn $@ if $@;
352	undef $busy;	445	undef $busy;
353	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
354		447
…		…
389	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
390		483
391	$coro	484	$coro
392	}	485	}
393		486
394	sub write_runtime {	487	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		488
397	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
399		493
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	494	=cut
401	utime undef, undef, $fh;	495
		496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
		498
		499	# we seemingly have to make a local copy of the whole thing,
		500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
		502
		503	my @res = Coro::Util::fork_eval {
		504	reset_signals;
		505	&$cb
		506	}, @args;
		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
402	}	538	};
		539	cf::cleanup "db_open(db): $@" if $@;
403		540
404	my $guard = cf::lock_acquire "write_runtime";	541	$db
		542	}
405		543
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	our $DB;
407	or return;
408		545
409	my $value = $cf::RUNTIME + 90 + 10;	546	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	547	cf::sync_job {
411	# 60 allows for the watchdog to kill the server.	548	$DB ||= db_table "db";
		549	};
		550	}
412		551
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	sub db_get($$) {
414	and return;	553	my $key = "$_[0]/$_[1]";
415		554
416	# always fsync - this file is important	555	cf::sync_job {
417	aio_fsync $fh	556	BDB::db_get $DB, undef, $key, my $data;
418	and return;
419		557
420	# touch it again to show we are up-to-date	558	$! ? ()
421	utime undef, undef, $fh;	559	: $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	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
432	}	636	}
433		637
434	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
435		639
436	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
454	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
456		660
457	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	663	Crossfire TRT).
460		664
461	=over 4	665	=over 4
462		666
463	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
464		668
…		…
666	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
667	}	871	}
668		872
669	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
670	} else {	874	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	876	}
673		877
674	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
675	}	879	}
676		880
…		…
716	";	920	";
717	die if $@;	921	die if $@;
718	}	922	}
719		923
720	our $override;	924	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		926
723	sub override {	927	sub override {
724	$override = 1;	928	$override = 1;
725	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
726	}	930	}
727		931
728	sub do_invoke {	932	sub do_invoke {
729	my $event = shift;	933	my $event = shift;
730	my $callbacks = shift;	934	my $callbacks = shift;
731		935
732	@invoke_results = ();	936	@INVOKE_RESULTS = ();
733		937
734	local $override;	938	local $override;
735		939
736	for (@$callbacks) {	940	for (@$callbacks) {
737	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
754		958
755	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
756		960
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		964
761	=back	965	=back
762		966
763	=cut	967	=cut
764		968
765	#############################################################################	969	#############################################################################
766	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
767		982
768	sub reattach {	983	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	985	my ($obj) = @_;
771		986
…		…
818	sub object_freezer_save {	1033	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
820		1035
821	sync_job {	1036	sync_job {
822	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
825		1041
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
830	close $fh;	1046	close $fh;
831		1047
832	if (@$objs) {	1048	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	1054	close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
840	}	1056	}
…		…
848	}	1064	}
849	} else {	1065	} else {
850	aio_unlink $filename;	1066	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
852	}	1068	}
853	}	1069	};
854	}	1070	}
855		1071
856	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
858		1074
…		…
870	or return;	1086	or return;
871		1087
872	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
874	or return;	1090	or return;
875	$av = eval { (Storable::thaw $av)->{objs} };
876	}
877		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
880	return ($data, $av);	1101	($data, $av)
881	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
882		1109
883	#############################################################################	1110	#############################################################################
884	# command handling &c	1111	# command handling &c
885		1112
886	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1127	}
901		1128
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1130
904	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
905		1136
906	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
907	called.	1138	called.
908		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
909	=cut	1151	=cut
910		1152
911	sub register_extcmd {	1153	sub register_extcmd {
912	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
913		1155
914	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
915	}	1163	}
916		1164
917	cf::player->attach (	1165	cf::player->attach (
918	on_command => sub {	1166	on_command => sub {
919	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1176	cf::override;
929	},	1177	},
930	on_extcmd => sub {	1178	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
932		1180
933	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1182
935	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
941	} else {	1198	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1200	}
944		1201
945	cf::override;	1202	cf::override;
946	},	1203	},
947	);	1204	);
948		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
984	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1211	next unless -r $path;
986	eval {	1212
987	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
988	1	1270	}
989	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
990	}	1276	};
991	}	1277	}
992		1278
993	#############################################################################	1279	#############################################################################
994		1280
		1281	=back
		1282
995	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
996		1284
997	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
998		1286
999	=cut	1287	=cut
…		…
1003	use Coro::AIO;	1291	use Coro::AIO;
1004		1292
1005	=head3 cf::player	1293	=head3 cf::player
1006		1294
1007	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
1008		1310
1009	=item cf::player::find $login	1311	=item cf::player::find $login
1010		1312
1011	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1012		1314
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1354
1053	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1056	}	1363	}
1057	}	1364	}
1058	}	1365	}
1059		1366
…		…
1069		1376
1070	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1072		1379
1073	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1074	Coro::cede;	1381	cf::cede_to_tick;
1075	}	1382	}
1076		1383
1077	sub new($) {	1384	sub new($) {
1078	my ($login) = @_;	1385	my ($login) = @_;
1079		1386
…		…
1083	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1084		1391
1085	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1086		1393
1087	$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 (@_);
1088	}	1405	}
1089		1406
1090	=item $pl->quit_character	1407	=item $pl->quit_character
1091		1408
1092	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
…		…
1147	or return [];	1464	or return [];
1148		1465
1149	my @logins;	1466	my @logins;
1150		1467
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1155		1477
1156	utf8::decode $login;	1478	utf8::decode $login;
1157	push @logins, $login;	1479	push @logins, $login;
1158	}	1480	}
1159		1481
…		…
1186	}	1508	}
1187		1509
1188	\@paths	1510	\@paths
1189	}	1511	}
1190		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
1191	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1192		1565
1193	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1194		1567
1195	=cut	1568	=cut
1196		1569
1197	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1199		1572
1200	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1574	}
1204		1575
1205	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1206		1577
1207	Sends an ext event to the client.	1578	Sends an ext event to the client.
1208		1579
1209	=cut	1580	=cut
1210		1581
1211	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1213		1584
1214	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1215	}	1586	}
1216		1587
1217	=head3 cf::region	1588	=head3 cf::region
1218		1589
1219	=over 4	1590	=over 4
…		…
1222		1593
1223	package cf::region;	1594	package cf::region;
1224		1595
1225	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1226		1597
1227	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1228		1599
1229	=cut	1600	=cut
1230		1601
1231	sub find_by_path($) {	1602	sub find_by_path($) {
1232	my ($path) = @_;	1603	my ($path) = @_;
1233		1604
1234	my ($match, $specificity);	1605	my ($match, $specificity);
1235		1606
1236	for my $region (list) {	1607	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1240	}	1611	}
1241	}	1612	}
1242		1613
…		…
1306	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1307		1678
1308	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1309	local $self->{path};	1680	local $self->{path};
1310	local $self->{load_path};	1681	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		1682
1314	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1315	}	1684	}
1316		1685
1317	sub normalise {	1686	sub normalise {
…		…
1364	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1365	return $self;	1734	return $self;
1366	}	1735	}
1367	}	1736	}
1368		1737
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1370	()	1739	()
1371	}	1740	}
1372		1741
1373	sub init {	1742	sub init {
1374	my ($self) = @_;	1743	my ($self) = @_;
…		…
1417		1786
1418	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1419	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1420	}	1789	}
1421		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1422	sub unlink_save {	1799	sub unlink_save {
1423	my ($self) = @_;	1800	my ($self) = @_;
1424		1801
1425	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1429		1806
1430	sub load_header_from($) {	1807	sub load_header_from($) {
1431	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1432		1809
1433	utf8::encode $path;	1810	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	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;
1439		1819
1440	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1441		1821
1442	1	1822	1
1443	}	1823	}
…		…
1482	$self->load_header_orig	1862	$self->load_header_orig
1483	or return;	1863	or return;
1484	$self->prepare_orig;	1864	$self->prepare_orig;
1485	}	1865	}
1486		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1487	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	1871	unless $self->default_region;
1489		1872
1490	1	1873	1
1491	}	1874	}
…		…
1494	sub find {	1877	sub find {
1495	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1496		1879
1497	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1498		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1500		1884
1501	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1502	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
1503	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1504	or return;	1890	or return;
1505		1891
1506	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1507		1893
1508	$map->load_header	1894	$map->load_header
1509	or return;	1895	or return;
1510		1896
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1514	$map->reset;	1902	$map->reset;
1515	undef $guard;
1516	return find $path;	1903	return find $path;
1517	}	1904	}
1518		1905
1519	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1520	}	1907	}
…		…
1529	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1530		1917
1531	my $path = $self->{path};	1918	my $path = $self->{path};
1532		1919
1533	{	1920	{
1534	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1535		1922
		1923	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1537		1925
1538	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1539		1927
1540	$self->alloc;	1928	$self->alloc;
1541		1929
1542	$self->pre_load;	1930	$self->pre_load;
1543	Coro::cede;	1931	cf::cede_to_tick;
1544		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1545	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1546	or return;	1936	or return;
1547		1937
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549	if delete $self->{load_original};	1939	if delete $self->{load_original};
1550		1940
1551	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	1942	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	1945	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1556	}	1949	}
1557	}	1950	}
1558		1951
1559	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1560	# now do the right thing for maps	1955	# now do the right thing for maps
1561	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	1958	unless $self->difficulty;
1564	Coro::cede;	1959	cf::cede_to_tick;
1565		1960
1566	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	1962	$self->decay_objects;
1568	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1569	$self->update_buttons;	1964	$self->update_buttons;
1570	Coro::cede;	1965	cf::cede_to_tick;
1571	$self->set_darkness_map;	1966	$self->set_darkness_map;
1572	Coro::cede;	1967	cf::cede_to_tick;
1573	$self->activate;	1968	$self->activate;
1574	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1575		1973
1576	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1577	}	1975	}
1578		1976
1579	$self->post_load;	1977	$self->post_load;
…		…
1583	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1584		1982
1585	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	1984	if $self->per_player;
1587		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1588	$self	1989	$self
1589	}	1990	}
1590		1991
1591	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {	1993	sub load_neighbours {
1593	my ($map) = @_;	1994	my ($map) = @_;
1594		1995
1595	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1596		1997
1597	for (0 .. 3) {	1998	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1599	or next;	2000	or next;
1600	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1601	or next;	2002	or next;
1602	$neigh->load;	2003	$neigh->load;
1603		2004
		2005	push @neigh,
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}	2008	}
1607		2009
1608	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1609	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1610	or next;	2013	or next;
1611	$neigh->load;	2014	$neigh->load;
1612	}	2015	}
1613	}	2016	}
1614		2017
…		…
1619	}	2022	}
1620		2023
1621	sub do_load_sync {	2024	sub do_load_sync {
1622	my ($map) = @_;	2025	my ($map) = @_;
1623		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1624	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1625	}	2031	}
1626		2032
1627	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1629		2035
1630	sub find_async {	2036	sub find_async {
1631	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1632		2038
1633	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1634		2040
1635	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1637	}	2043	}
1638		2044
1639	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1640	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1641	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2052	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2053	$map->load if $v;
		2054	}
1646		2055
1647	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1648	}	2057	}
1649	}	2058	}
1650	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1651	};	2060	};
1652	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1655	}	2064	}
1656		2065
1657	sub save {	2066	sub save {
1658	my ($self) = @_;	2067	my ($self) = @_;
1659		2068
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1661		2070
1662	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1663		2072
1664	return unless $self->dirty;	2073	return unless $self->dirty;
1665		2074
…		…
1671	return if $self->{deny_save};	2080	return if $self->{deny_save};
1672		2081
1673	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1674		2083
1675	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1677	};	2087	};
1678		2088
1679	if ($uniq) {	2089	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1688	my ($self) = @_;	2098	my ($self) = @_;
1689		2099
1690	# save first because save cedes	2100	# save first because save cedes
1691	$self->save;	2101	$self->save;
1692		2102
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2104
1695	return if $self->players;	2105	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};	2107	return if $self->{deny_save};
1698		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1699	$self->clear;	2113	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2114	}
1702		2115
1703	sub reset_at {	2116	sub reset_at {
1704	my ($self) = @_;	2117	my ($self) = @_;
1705		2118
1706	# TODO: safety, remove and allow resettable per-player maps	2119	# 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};	2120	return 1e99 if $self->{deny_reset};
1709		2121
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2124
…		…
1723	my ($self) = @_;	2135	my ($self) = @_;
1724		2136
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2138
1727	return if $self->players;	2139	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2140
1730	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1731		2142
1732	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1733		2144
1734	# need to save uniques path	2145	# need to save uniques path
1735	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1739	if $uniq;	2150	if $uniq;
1740	}	2151	}
1741		2152
1742	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1743		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2157	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2158
1748	$self->unlink_save;	2159	$self->unlink_save;
1749	$self->destroy;	2160	$self->destroy;
1750	}	2161	}
1751		2162
1752	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1753		2164
1754	sub nuke {	2165	sub nuke {
1755	my ($self) = @_;	2166	my ($self) = @_;
1756		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1757	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1758		2172
1759	$self->unlink_save;	2173	$self->unlink_save;
1760		2174
1761	bless $self, "cf::map";	2175	bless $self, "cf::map";
1762	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2180
1767	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1768		2183
1769	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1770	}	2221	}
1771		2222
1772	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1773		2224
1774	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2226	instantiated unique items. May block.
1776		2227
1777	=cut	2228	=cut
1778		2229
1779	sub unique_maps() {	2230	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2231	[
1781	or return;	2232	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2233	utf8::decode $_;
1787	next if /\.pst$/;	2234	/\.map$/
1788	next unless /^$PATH_SEP/o;	2235	? normalise $_
1789		2236	: ()
1790	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2238	]
1792
1793	\@paths
1794	}	2239	}
1795		2240
1796	package cf;	2241	package cf;
1797		2242
1798	=back	2243	=back
…		…
1816	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1817	}	2262	}
1818		2263
1819	sub inv_recursive {	2264	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($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	}
1821	}	2294	}
1822		2295
1823	package cf;	2296	package cf;
1824		2297
1825	=back	2298	=back
…		…
1844		2317
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2319
1847	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1852	}	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 (@_);
1853	}	2345	}
1854		2346
1855	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1856		2348
1857	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1904	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1905		2397
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2399
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1910		2402
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1912	}	2404	}
1913		2405
1914	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1916		2410
1917	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1918		2412
1919	unless ($map) {	2413	unless ($map) {
1920	# restore original map position	2414	# restore original map position
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1937		2431
1938	$map->load;	2432	$map->load;
1939	$map->load_diag;	2433	$map->load_neighbours;
1940		2434
1941	return unless $self->contr->active;	2435	return unless $self->contr->active;
1942	$self->activate_recursive;	2436	$self->activate_recursive;
1943		2437
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1946	}	2440	}
1947		2441
1948	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949	on_logout => sub {
1950	my ($pl) = @_;
1951		2443
1952	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1953	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1954	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1955	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1956	};	2448	be called at the end of this process.
1957	}
1958	},
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2449
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)
1981
1982	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1983		2453
1984	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1985	my ($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;
1986		2459
1987	$self->enter_link;	2460	$self->enter_link;
1988		2461
1989	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1990	my $map = eval {	2484	my $map = eval {
1991	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1992	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1993	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1994	} or	2500	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1998	})->prio (1);	2508	})->prio (1);
1999	}	2509	}
2000		2510
2001	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
2002		2512
…		…
2071	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2073		2583
2074	$self->enter_link;	2584	$self->enter_link;
2075		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2076	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2077	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2078	unless (eval {	2594	unless (eval {
2079	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2080		2596
2081	1;	2597	1;
…		…
2107		2623
2108	utf8::encode $text;	2624	utf8::encode $text;
2109	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110	}	2626	}
2111		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2112	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2113		2722
2114	Sends an exti event to the client.	2723	Sends an ext event to the client.
2115		2724
2116	=cut	2725	=cut
2117		2726
2118	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2120		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2122	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2123	}	2754	}
2124		2755
2125	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2126		2757
2127	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2128	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130		2761
2131	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2132	reliable at some point in the future.	2763	become reliable at some point in the future.
2133		2764
2134	=cut	2765	=cut
2135		2766
2136	sub cf::client::query {	2767	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	2776	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		2778
2148	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2150	}	2783	}
2151		2784
2152	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2153	on_reply => sub {	2791	on_reply => sub {
2154	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2155		2793
2156	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2157	# get handled first	2795	# get handled first
…		…
2169	} else {	2807	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	2809	}
2172	}	2810	}
2173	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2174	);	2838	);
2175		2839
2176	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2177		2841
2178	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2219	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2221		2885
2222	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2223		2887
2224	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2225		2893
2226	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2227		2895
2228	=pod	2896	=pod
2229		2897
2230	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2231		2899
2232	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add destroy
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2233	cf::object::player player	2904	cf::object::player
2234	cf::player peaceful	2905	player
2235	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2236		2912
2237	=cut	2913	=cut
2238		2914
2239	for (	2915	for (
2240	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr destroy)],
2241	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2243	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2244	) {	2922	) {
2245	no strict 'refs';	2923	no strict 'refs';
…		…
2316	=back	2994	=back
2317		2995
2318	=cut	2996	=cut
2319		2997
2320	#############################################################################	2998	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493
2494	#############################################################################
2495	# the server's init and main functions	2999	# the server's init and main functions
2496		3000
2497	sub load_facedata($) {	3001	sub load_facedata($) {
2498	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499		3009
2500	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2501		3011
2502	my $facedata;	3012	my $facedata;
2503	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2506	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2507		3017
2508	$facedata->{version} == 2	3018	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2511	{	3028	{
2512	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2513		3030
2514	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519	Coro::cede;	3037
		3038	cf::cede_to_tick;
2520	}	3039	}
2521		3040
2522	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3042	next unless $info->{smooth};
2524	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2525	or next;	3044	or next;
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3048	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3050	}
2531	Coro::cede;	3051
		3052	cf::cede_to_tick;
2532	}	3053	}
2533	}	3054	}
2534		3055
2535	{	3056	{
2536	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2537		3058
2538	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3061	cf::cede_to_tick;
2541	}	3062	}
2542		3063
2543	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2544	}	3065	}
2545		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2546	1	3116	1
2547	}	3117	}
2548		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2549	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2550	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
2552	}	3139	}
2553		3140
2554	sub reload_facedata {	3141	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2557	}	3144	}
2558		3145
2559	sub reload_archetypes {	3146	sub reload_archetypes {
2560	load_resource_file "$DATADIR/archetypes"	3147	load_resource_file "$DATADIR/archetypes"
2561	or die "unable to load archetypes\n";	3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
2562	}	3154	}
2563		3155
2564	sub reload_treasures {	3156	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3157	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3158	or die "unable to load treasurelists\n";
…		…
2569	sub reload_resources {	3161	sub reload_resources {
2570	warn "reloading resource files...\n";	3162	warn "reloading resource files...\n";
2571		3163
2572	reload_regions;	3164	reload_regions;
2573	reload_facedata;	3165	reload_facedata;
		3166	#reload_archetypes;#d#
2574	reload_archetypes;	3167	reload_archetypes;
2575	reload_treasures;	3168	reload_treasures;
2576		3169
2577	warn "finished reloading resource files\n";	3170	warn "finished reloading resource files\n";
2578	}	3171	}
2579		3172
2580	sub init {	3173	sub init {
2581	reload_resources;	3174	reload_resources;
2582	}	3175	}
2583		3176
2584	sub cfg_load {	3177	sub reload_config {
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2586	or return;	3179	or return;
2587		3180
2588	local $/;	3181	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2605	sub main {	3198	sub main {
2606	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2610	Event::one_event;	3204	Event::one_event;
2611	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2612	};	3206	};
2613		3207
2614	cfg_load;	3208	reload_config;
2615	db_init;	3209	db_init;
2616	load_extensions;	3210	load_extensions;
2617		3211
2618	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2619	Event::loop;	3213	Event::loop;
…		…
2635	},	3229	},
2636	);	3230	);
2637	}	3231	}
2638	}	3232	}
2639		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2640	sub emergency_save() {	3272	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2642		3274
2643	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2644		3276
…		…
2648	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2650	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3286	$pl->save;
2654	}	3287	}
2655	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2656		3289
2657	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2719	%EXT_CORO = ();	3352	%EXT_CORO = ();
2720		3353
2721	warn "removing commands";	3354	warn "removing commands";
2722	%COMMAND = ();	3355	%COMMAND = ();
2723		3356
2724	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2725	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2726		3360
2727	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2730		3364
…		…
2773	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2774	require cf;	3408	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776		3410
2777	warn "loading config and database again";	3411	warn "loading config and database again";
2778	cf::cfg_load;	3412	cf::reload_config;
2779		3413
2780	warn "loading extensions";	3414	warn "loading extensions";
2781	cf::load_extensions;	3415	cf::load_extensions;
2782		3416
2783	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2819	register_command "reload" => sub {	3453	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2821		3455
2822	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	3460	reload_perl;
		3461	};
2825	}	3462	}
2826	};	3463	};
2827		3464
2828	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2829		3466
…		…
2871	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2872		3509
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2875	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	3514	write_runtime
2877	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2878	};	3516	};
2879	}	3517	}
2880		3518
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	3520	$sig->send;
2886	}	3521	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	3522	while (my $sig = shift @WAIT_FOR_TICK) {
2888	$sig->send;	3523	$sig->send;
…		…
2898		3533
2899	$LOAD = ($NOW - $tick_start) / $TICK;	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		3536
2902	_post_tick;	3537	_post_tick;
2903
2904
2905	},	3538	},
2906	);	3539	);
2907		3540
2908	{	3541	{
		3542	BDB::min_parallel 8;
2909	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2910	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2911	reentrant => 0,	3545	reentrant => 0,
2912	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2913	poll => 'r',	3547	poll => 'r',
2914	prio => 0,	3548	prio => 0,
2915	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2917	);	3551	);
2918	BDB::min_parallel 8;
2919		3552
2920	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2921	my $status;	3554	my $status;
2922	my $current = $Coro::current;	3555	my $current = $Coro::current;
2923	(	3556	(
…		…
2932	)	3565	)
2933	};	3566	};
2934		3567
2935	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		3574
2938	cf::sync_job {	3575	cf::sync_job {
2939	eval {	3576	eval {
2940	BDB::db_env_open	3577	BDB::db_env_open
2941	$DB_ENV,	3578	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	3582	0666;
2946		3583
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	3585	};
2952		3586
2953	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	3588	};
2955	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2956	}	3621	}
2957		3622
2958	{	3623	{
2959	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2960		3625
…		…
2963	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2964	reentrant => 0,	3629	reentrant => 0,
2965	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2967	poll => 'r',	3632	poll => 'r',
2968	prio => 6,	3633	prio => 0,
2969	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2970	);	3635	);
2971	}	3636	}
2972		3637
2973	my $_log_backtrace;	3638	my $_log_backtrace;
…		…
2979		3644
2980	# limit the # of concurrent backtraces	3645	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	3646	if ($_log_backtrace < 2) {
2982	++$_log_backtrace;	3647	++$_log_backtrace;
2983	async {	3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
2984	my @bt = fork_call {	3651	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	3652	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	3655	or die "addr2line: $!";

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