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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$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
…		…
356	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
357	}	450	}
358		451
359	$time = Event::time - $time;	452	$time = Event::time - $time;
360		453
361	LOG llevError | logBacktrace, "long sync job\n"	454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5;	455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363		456
364	$tick_start += $time; # do not account sync jobs to server load	457	$tick_start += $time; # do not account sync jobs to server load
365		458
366	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
367	} else {	460	} else {
…		…
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
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
628		832
629	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		837
634	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	839	my $pkg = shift @arg;
636		840
637	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
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
…		…
678	if (ref $_[0]) {	882	if (ref $_[0]) {
679	_object_attach @_;	883	_object_attach @_;
680	} else {	884	} else {
681	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
682	}	886	}
		887	_recalc_want;
683	};	888	};
684		889
685	# all those should be optimised	890	# all those should be optimised
686	sub cf::attachable::detach {	891	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
691	reattach ($obj);	896	reattach ($obj);
692	} else {	897	} else {
693	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
694	}	899	}
		900	_recalc_want;
695	};	901	};
696		902
697	sub cf::attachable::attached {	903	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
699		905
…		…
714	";	920	";
715	die if $@;	921	die if $@;
716	}	922	}
717		923
718	our $override;	924	our $override;
719	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?
720		926
721	sub override {	927	sub override {
722	$override = 1;	928	$override = 1;
723	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
724	}	930	}
725		931
726	sub do_invoke {	932	sub do_invoke {
727	my $event = shift;	933	my $event = shift;
728	my $callbacks = shift;	934	my $callbacks = shift;
729		935
730	@invoke_results = ();	936	@INVOKE_RESULTS = ();
731		937
732	local $override;	938	local $override;
733		939
734	for (@$callbacks) {	940	for (@$callbacks) {
735	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
752		958
753	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
754		960
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		964
759	=back	965	=back
760		966
761	=cut	967	=cut
762		968
763	#############################################################################	969	#############################################################################
764	# 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	}
765		982
766	sub reattach {	983	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	985	my ($obj) = @_;
769		986
…		…
816	sub object_freezer_save {	1033	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
818		1035
819	sync_job {	1036	sync_job {
820	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
823		1041
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
846	}	1064	}
847	} else {	1065	} else {
848	aio_unlink $filename;	1066	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
850	}	1068	}
851	}	1069	};
852	}	1070	}
853		1071
854	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
856		1074
…		…
868	or return;	1086	or return;
869		1087
870	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
872	or return;	1090	or return;
		1091
873	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
874	}	1093	}
875		1094
		1095	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1097	$decname, length $data, scalar @{$av || []};
		1098
878	return ($data, $av);	1099	($data, $av)
879	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
880		1107
881	#############################################################################	1108	#############################################################################
882	# command handling &c	1109	# command handling &c
883		1110
884	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1125	}
899		1126
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1128
902	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
903		1134
904	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
905	called.	1136	called.
906		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
907	=cut	1149	=cut
908		1150
909	sub register_extcmd {	1151	sub register_extcmd {
910	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
911		1153
912	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
913	}	1161	}
914		1162
915	cf::player->attach (	1163	cf::player->attach (
916	on_command => sub {	1164	on_command => sub {
917	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1174	cf::override;
927	},	1175	},
928	on_extcmd => sub {	1176	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
930		1178
931	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1180
933	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
939	} else {	1196	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1198	}
942		1199
943	cf::override;	1200	cf::override;
944	},	1201	},
945	);	1202	);
946		1203
947	sub load_extension {
948	my ($path) = @_;
949
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}
975	die $@;
976	}
977
978	push @EXTS, $pkg;
979	}
980
981	sub load_extensions {	1204	sub load_extensions {
		1205	cf::sync_job {
		1206	my %todo;
		1207
982	for my $ext (<$LIBDIR/*.ext>) {	1208	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1209	next unless -r $path;
984	eval {	1210
985	load_extension $ext;	1211	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1212	my $base = $1;
		1213	my $pkg = $1;
		1214	$pkg =~ s/[^[:word:]]/_/g;
		1215	$pkg = "ext::$pkg";
		1216
		1217	open my $fh, "<:utf8", $path
		1218	or die "$path: $!";
		1219
		1220	my $source = do { local $/; <$fh> };
		1221
		1222	my %ext = (
		1223	path => $path,
		1224	base => $base,
		1225	pkg => $pkg,
		1226	);
		1227
		1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1230
		1231	$ext{source} =
		1232	"package $pkg; use strict; use utf8;\n"
		1233	. "#line 1 \"$path\"\n{\n"
		1234	. $source
		1235	. "\n};\n1";
		1236
		1237	$todo{$base} = \%ext;
		1238	}
		1239
		1240	my %done;
		1241	while (%todo) {
		1242	my $progress;
		1243
		1244	while (my ($k, $v) = each %todo) {
		1245	for (split /,\s*/, $v->{meta}{depends}) {
		1246	goto skip
		1247	unless exists $done{$_};
		1248	}
		1249
		1250	warn "... loading '$k' into '$v->{pkg}'\n";
		1251
		1252	unless (eval $v->{source}) {
		1253	my $msg = $@ ? "$v->{path}: $@\n"
		1254	: "$v->{base}: extension inactive.\n";
		1255
		1256	if (exists $v->{meta}{mandatory}) {
		1257	warn $msg;
		1258	warn "mandatory extension failed to load, exiting.\n";
		1259	exit 1;
		1260	}
		1261
		1262	warn $msg;
		1263	}
		1264
		1265	$done{$k} = delete $todo{$k};
		1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
986	1	1268	}
987	} or warn "$ext not loaded: $@";	1269
		1270	skip:
		1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1272	unless $progress;
		1273	}
988	}	1274	};
989	}	1275	}
990		1276
991	#############################################################################	1277	#############################################################################
992		1278
		1279	=back
		1280
993	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
994		1282
995	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
996		1284
997	=cut	1285	=cut
…		…
1001	use Coro::AIO;	1289	use Coro::AIO;
1002		1290
1003	=head3 cf::player	1291	=head3 cf::player
1004		1292
1005	=over 4	1293	=over 4
		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
1006		1308
1007	=item cf::player::find $login	1309	=item cf::player::find $login
1008		1310
1009	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
1010		1312
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1352
1051	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1054	}	1361	}
1055	}	1362	}
1056	}	1363	}
1057		1364
…		…
1067		1374
1068	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1070		1377
1071	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1072	Coro::cede;	1379	cf::cede_to_tick;
1073	}	1380	}
1074		1381
1075	sub new($) {	1382	sub new($) {
1076	my ($login) = @_;	1383	my ($login) = @_;
1077		1384
…		…
1081	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1082		1389
1083	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1084		1391
1085	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1086	}	1403	}
1087		1404
1088	=item $pl->quit_character	1405	=item $pl->quit_character
1089		1406
1090	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1462	or return [];
1146		1463
1147	my @logins;	1464	my @logins;
1148		1465
1149	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1153		1475
1154	utf8::decode $login;	1476	utf8::decode $login;
1155	push @logins, $login;	1477	push @logins, $login;
1156	}	1478	}
1157		1479
…		…
1184	}	1506	}
1185		1507
1186	\@paths	1508	\@paths
1187	}	1509	}
1188		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1189	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1190		1563
1191	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1192		1565
1193	=cut	1566	=cut
1194		1567
1195	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1197		1570
1198	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1572	}
1202		1573
1203	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1204		1575
1205	Sends an ext event to the client.	1576	Sends an ext event to the client.
1206		1577
1207	=cut	1578	=cut
1208		1579
1209	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1211		1582
1212	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1213	}	1584	}
1214		1585
1215	=head3 cf::region	1586	=head3 cf::region
1216		1587
1217	=over 4	1588	=over 4
…		…
1220		1591
1221	package cf::region;	1592	package cf::region;
1222		1593
1223	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1224		1595
1225	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1226		1597
1227	=cut	1598	=cut
1228		1599
1229	sub find_by_path($) {	1600	sub find_by_path($) {
1230	my ($path) = @_;	1601	my ($path) = @_;
1231		1602
1232	my ($match, $specificity);	1603	my ($match, $specificity);
1233		1604
1234	for my $region (list) {	1605	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1238	}	1609	}
1239	}	1610	}
1240		1611
…		…
1304	my ($self, $merge) = @_;	1675	my ($self, $merge) = @_;
1305		1676
1306	# we have to keep some variables in memory intact	1677	# we have to keep some variables in memory intact
1307	local $self->{path};	1678	local $self->{path};
1308	local $self->{load_path};	1679	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1680
1312	$self->SUPER::thawer_merge ($merge);	1681	$self->SUPER::thawer_merge ($merge);
1313	}	1682	}
1314		1683
1315	sub normalise {	1684	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1363	return $self;	1732	return $self;
1364	}	1733	}
1365	}	1734	}
1366		1735
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1737	()
1369	}	1738	}
1370		1739
1371	sub init {	1740	sub init {
1372	my ($self) = @_;	1741	my ($self) = @_;
…		…
1415		1784
1416	$_->change_map_light ($change)	1785	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1786	for grep $_->outdoor, values %cf::MAP;
1418	}	1787	}
1419		1788
		1789	sub decay_objects {
		1790	my ($self) = @_;
		1791
		1792	return if $self->{deny_reset};
		1793
		1794	$self->do_decay_objects;
		1795	}
		1796
1420	sub unlink_save {	1797	sub unlink_save {
1421	my ($self) = @_;	1798	my ($self) = @_;
1422		1799
1423	utf8::encode (my $save = $self->save_path);	1800	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1801	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1804
1428	sub load_header_from($) {	1805	sub load_header_from($) {
1429	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1430		1807
1431	utf8::encode $path;	1808	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1437		1817
1438	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1439		1819
1440	1	1820	1
1441	}	1821	}
…		…
1480	$self->load_header_orig	1860	$self->load_header_orig
1481	or return;	1861	or return;
1482	$self->prepare_orig;	1862	$self->prepare_orig;
1483	}	1863	}
1484		1864
		1865	$self->{deny_reset} = 1
		1866	if $self->no_reset;
		1867
1485	$self->default_region (cf::region::find_by_path $self->{path})	1868	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1869	unless $self->default_region;
1487		1870
1488	1	1871	1
1489	}	1872	}
…		…
1492	sub find {	1875	sub find {
1493	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1494		1877
1495	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1496		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1498		1882
1499	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1501	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1502	or return;	1888	or return;
1503		1889
1504	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1505		1891
1506	$map->load_header	1892	$map->load_header
1507	or return;	1893	or return;
1508		1894
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1512	$map->reset;	1900	$map->reset;
1513	undef $guard;
1514	return find $path;	1901	return find $path;
1515	}	1902	}
1516		1903
1517	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1518	}	1905	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1528		1915
1529	my $path = $self->{path};	1916	my $path = $self->{path};
1530		1917
1531	{	1918	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1533		1920
		1921	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1923
1536	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1537		1925
1538	$self->alloc;	1926	$self->alloc;
1539		1927
1540	$self->pre_load;	1928	$self->pre_load;
1541	Coro::cede;	1929	cf::cede_to_tick;
1542		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1933	$self->_load_objects ($f)
1544	or return;	1934	or return;
1545		1935
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1937	if delete $self->{load_original};
1548		1938
1549	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1940	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1943	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1554	}	1947	}
1555	}	1948	}
1556		1949
1557	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1558	# now do the right thing for maps	1953	# now do the right thing for maps
1559	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1956	unless $self->difficulty;
1562	Coro::cede;	1957	cf::cede_to_tick;
1563		1958
1564	unless ($self->{deny_activate}) {	1959	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1960	$self->decay_objects;
1566	$self->fix_auto_apply;	1961	$self->fix_auto_apply;
1567	$self->update_buttons;	1962	$self->update_buttons;
1568	Coro::cede;	1963	cf::cede_to_tick;
1569	$self->set_darkness_map;	1964	$self->set_darkness_map;
1570	Coro::cede;	1965	cf::cede_to_tick;
1571	$self->activate;	1966	$self->activate;
1572	}	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1573		1971
1574	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	1973	}
1576		1974
1577	$self->post_load;	1975	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	1979	my ($self, $ob) = @_;
1582		1980
1583	return find "~" . $ob->name . "/" . $self->{path}	1981	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	1982	if $self->per_player;
1585		1983
		1984	# return find "?party/" . $ob->name . "/" . $self->{path}
		1985	# if $self->per_party;
		1986
1586	$self	1987	$self
1587	}	1988	}
1588		1989
1589	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	1991	sub load_neighbours {
1591	my ($map) = @_;	1992	my ($map) = @_;
1592		1993
1593	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1594		1995
1595	for (0 .. 3) {	1996	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1597	or next;	1998	or next;
1598	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1599	or next;	2000	or next;
1600	$neigh->load;	2001	$neigh->load;
1601		2002
		2003	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2006	}
1605		2007
1606	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1608	or next;	2011	or next;
1609	$neigh->load;	2012	$neigh->load;
1610	}	2013	}
1611	}	2014	}
1612		2015
…		…
1617	}	2020	}
1618		2021
1619	sub do_load_sync {	2022	sub do_load_sync {
1620	my ($map) = @_;	2023	my ($map) = @_;
1621		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1622	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1623	}	2029	}
1624		2030
1625	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1627		2033
1628	sub find_async {	2034	sub find_async {
1629	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1630		2036
1631	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1632		2038
1633	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2041	}
1636		2042
1637	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1638	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1639	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2050	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2051	$map->load if $v;
		2052	}
1644		2053
1645	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1646	}	2055	}
1647	}	2056	}
1648	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1649	};	2058	};
1650	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2062	}
1654		2063
1655	sub save {	2064	sub save {
1656	my ($self) = @_;	2065	my ($self) = @_;
1657		2066
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2068
1660	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1661		2070
1662	return unless $self->dirty;	2071	return unless $self->dirty;
1663		2072
…		…
1669	return if $self->{deny_save};	2078	return if $self->{deny_save};
1670		2079
1671	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1672		2081
1673	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1675	};	2085	};
1676		2086
1677	if ($uniq) {	2087	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2096	my ($self) = @_;
1687		2097
1688	# save first because save cedes	2098	# save first because save cedes
1689	$self->save;	2099	$self->save;
1690		2100
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2102
1693	return if $self->players;	2103	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2105	return if $self->{deny_save};
1696		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2111	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2112	}
1700		2113
1701	sub reset_at {	2114	sub reset_at {
1702	my ($self) = @_;	2115	my ($self) = @_;
1703		2116
1704	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1707		2119
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2122
…		…
1721	my ($self) = @_;	2133	my ($self) = @_;
1722		2134
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2136
1725	return if $self->players;	2137	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2138
1728	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
1729		2140
1730	$self->in_memory (cf::MAP_SWAPPED);	2141	$self->in_memory (cf::MAP_SWAPPED);
1731		2142
1732	# need to save uniques path	2143	# need to save uniques path
1733	unless ($self->{deny_save}) {	2144	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2148	if $uniq;
1738	}	2149	}
1739		2150
1740	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1741		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2155	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2156
1746	$self->unlink_save;	2157	$self->unlink_save;
1747	$self->destroy;	2158	$self->destroy;
1748	}	2159	}
1749		2160
1750	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1751		2162
1752	sub nuke {	2163	sub nuke {
1753	my ($self) = @_;	2164	my ($self) = @_;
1754		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1755	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1756		2170
1757	$self->unlink_save;	2171	$self->unlink_save;
1758		2172
1759	bless $self, "cf::map";	2173	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2178
1765	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1766		2181
1767	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1768	}	2219	}
1769		2220
1770	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1771		2222
1772	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2224	instantiated unique items. May block.
1774		2225
1775	=cut	2226	=cut
1776		2227
1777	sub unique_maps() {	2228	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2229	[
1779	or return;	2230	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2231	utf8::decode $_;
1785	next if /\.pst$/;	2232	/\.map$/
1786	next unless /^$PATH_SEP/o;	2233	? normalise $_
1787		2234	: ()
1788	push @paths, cf::map::normalise $_;	2235	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2236	]
1790
1791	\@paths
1792	}	2237	}
1793		2238
1794	package cf;	2239	package cf;
1795		2240
1796	=back	2241	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1815	}	2260	}
1816		2261
1817	sub inv_recursive {	2262	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
1819	}	2292	}
1820		2293
1821	package cf;	2294	package cf;
1822		2295
1823	=back	2296	=back
…		…
1842		2315
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2317
1845	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1847	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1850	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1851	}	2343	}
1852		2344
1853	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1854		2346
1855	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
1902	$self->deactivate_recursive;	2394	$self->deactivate_recursive;
1903		2395
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2396	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2397
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2398	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2399	if $self->map && $self->map->{path} ne "{link}";
1908		2400
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2401	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1910	}	2402	}
1911		2403
1912	sub cf::object::player::leave_link {	2404	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2405	my ($self, $map, $x, $y) = @_;
		2406
		2407	return unless $self->contr->active;
1914		2408
1915	my $link_pos = delete $self->{_link_pos};	2409	my $link_pos = delete $self->{_link_pos};
1916		2410
1917	unless ($map) {	2411	unless ($map) {
1918	# restore original map position	2412	# restore original map position
…		…
1932	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
1935		2429
1936	$map->load;	2430	$map->load;
1937	$map->load_diag;	2431	$map->load_neighbours;
1938		2432
1939	return unless $self->contr->active;	2433	return unless $self->contr->active;
1940	$self->activate_recursive;	2434	$self->activate_recursive;
1941		2435
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
1944	}	2438	}
1945		2439
1946	cf::player->attach (	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947	on_logout => sub {
1948	my ($pl) = @_;
1949		2441
1950	# abort map switching before logout	2442	Moves the player to the given map-path and coordinates by first freezing
1951	if ($pl->ob->{_link_pos}) {	2443	her, loading and preparing them map, calling the provided $check callback
1952	cf::sync_job {	2444	that has to return the map if sucecssful, and then unfreezes the player on
1953	$pl->ob->leave_link	2445	the new (success) or old (failed) map position. In either case, $done will
1954	};	2446	be called at the end of this process.
1955	}
1956	},
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2447
1960	# try to abort aborted map switching on player login :)
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977
1978	=item $player_object->goto ($path, $x, $y)
1979
1980	=cut	2448	=cut
		2449
		2450	our $GOTOGEN;
1981		2451
1982	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
		2454
		2455	# do generation counting so two concurrent goto's will be executed in-order
		2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2457
1985	$self->enter_link;	2458	$self->enter_link;
1986		2459
1987	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1988	my $map = eval {	2482	my $map = eval {
1989	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1991	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2498	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1996	})->prio (1);	2506	})->prio (1);
1997	}	2507	}
1998		2508
1999	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
2000		2510
…		…
2069	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2071		2581
2072	$self->enter_link;	2582	$self->enter_link;
2073		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2074	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2075	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2076	unless (eval {	2592	unless (eval {
2077	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2078		2594
2079	1;	2595	1;
…		…
2105		2621
2106	utf8::encode $text;	2622	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	2624	}
2109		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2110	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2111		2720
2112	Sends an exti event to the client.	2721	Sends an ext event to the client.
2113		2722
2114	=cut	2723	=cut
2115		2724
2116	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2118		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2120	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2121	}	2752	}
2122		2753
2123	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2124		2755
2125	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		2759
2129	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	2761	become reliable at some point in the future.
2131		2762
2132	=cut	2763	=cut
2133		2764
2134	sub cf::client::query {	2765	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	2774	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		2776
2146	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2148	}	2781	}
2149		2782
2150	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2151	on_reply => sub {	2789	on_reply => sub {
2152	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2153		2791
2154	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2155	# get handled first	2793	# get handled first
…		…
2167	} else {	2805	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	2807	}
2170	}	2808	}
2171	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2172	);	2836	);
2173		2837
2174	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2175		2839
2176	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2217	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2219		2883
2220	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2221		2885
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2223		2891
2224	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2225		2893
2226	=pod	2894	=pod
2227		2895
2228	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2229		2897
2230	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2231	cf::object::player player	2902	cf::object::player
2232	cf::player peaceful	2903	player
2233	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2234		2910
2235	=cut	2911	=cut
2236		2912
2237	for (	2913	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2239	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2241	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2242	) {	2920	) {
2243	no strict 'refs';	2921	no strict 'refs';
…		…
2314	=back	2992	=back
2315		2993
2316	=cut	2994	=cut
2317		2995
2318	#############################################################################	2996	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491
2492	#############################################################################
2493	# the server's init and main functions	2997	# the server's init and main functions
2494		2998
2495	sub load_facedata($) {	2999	sub load_facedata($) {
2496	my ($path) = @_;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497		3007
2498	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2499		3009
2500	my $facedata;	3010	my $facedata;
2501	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2504	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2505		3015
2506	$facedata->{version} == 2	3016	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2509	{	3026	{
2510	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2511		3028
2512	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517	Coro::cede;	3035
		3036	cf::cede_to_tick;
2518	}	3037	}
2519		3038
2520	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3040	next unless $info->{smooth};
2522	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2523	or next;	3042	or next;
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3046	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3048	}
2529	Coro::cede;	3049
		3050	cf::cede_to_tick;
2530	}	3051	}
2531	}	3052	}
2532		3053
2533	{	3054	{
2534	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2535		3056
2536	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3059	cf::cede_to_tick;
2539	}	3060	}
2540		3061
2541	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2542	}	3063	}
2543		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2544	1	3114	1
2545	}	3115	}
2546		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2547	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2548	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
2550	}	3137	}
2551		3138
2552	sub reload_facedata {	3139	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2555	}	3142	}
2556		3143
2557	sub reload_archetypes {	3144	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3145	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
		3150	load_resource_file "$DATADIR/archetypes"
		3151	or die "unable to load archetypes\n";
2560	}	3152	}
2561		3153
2562	sub reload_treasures {	3154	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3155	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3156	or die "unable to load treasurelists\n";
…		…
2567	sub reload_resources {	3159	sub reload_resources {
2568	warn "reloading resource files...\n";	3160	warn "reloading resource files...\n";
2569		3161
2570	reload_regions;	3162	reload_regions;
2571	reload_facedata;	3163	reload_facedata;
		3164	#reload_archetypes;#d#
2572	reload_archetypes;	3165	reload_archetypes;
2573	reload_treasures;	3166	reload_treasures;
2574		3167
2575	warn "finished reloading resource files\n";	3168	warn "finished reloading resource files\n";
2576	}	3169	}
2577		3170
2578	sub init {	3171	sub init {
2579	reload_resources;	3172	reload_resources;
2580	}	3173	}
2581		3174
2582	sub cfg_load {	3175	sub reload_config {
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2584	or return;	3177	or return;
2585		3178
2586	local $/;	3179	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2603	sub main {	3196	sub main {
2604	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2608	Event::one_event;	3202	Event::one_event;
2609	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2610	};	3204	};
2611		3205
2612	cfg_load;	3206	reload_config;
2613	db_init;	3207	db_init;
2614	load_extensions;	3208	load_extensions;
2615		3209
2616	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2617	Event::loop;	3211	Event::loop;
…		…
2633	},	3227	},
2634	);	3228	);
2635	}	3229	}
2636	}	3230	}
2637		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2638	sub emergency_save() {	3270	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2640		3272
2641	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2642		3274
…		…
2717	%EXT_CORO = ();	3349	%EXT_CORO = ();
2718		3350
2719	warn "removing commands";	3351	warn "removing commands";
2720	%COMMAND = ();	3352	%COMMAND = ();
2721		3353
2722	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2723	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2724		3357
2725	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2728		3361
…		…
2771	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2772	require cf;	3405	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774		3407
2775	warn "loading config and database again";	3408	warn "loading config and database again";
2776	cf::cfg_load;	3409	cf::reload_config;
2777		3410
2778	warn "loading extensions";	3411	warn "loading extensions";
2779	cf::load_extensions;	3412	cf::load_extensions;
2780		3413
2781	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2817	register_command "reload" => sub {	3450	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2819		3452
2820	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	3457	reload_perl;
		3458	};
2823	}	3459	}
2824	};	3460	};
2825		3461
2826	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2827		3463
…		…
2869	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2870		3506
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2873	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	3511	write_runtime
2875	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2876	};	3513	};
2877	}	3514	}
2878		3515
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	3517	$sig->send;
2884	}	3518	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	3519	while (my $sig = shift @WAIT_FOR_TICK) {
2886	$sig->send;	3520	$sig->send;
…		…
2896		3530
2897	$LOAD = ($NOW - $tick_start) / $TICK;	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		3533
2900	_post_tick;	3534	_post_tick;
2901
2902
2903	},	3535	},
2904	);	3536	);
2905		3537
2906	{	3538	{
		3539	BDB::min_parallel 8;
2907	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2908	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2909	reentrant => 0,	3542	reentrant => 0,
2910	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2911	poll => 'r',	3544	poll => 'r',
2912	prio => 0,	3545	prio => 0,
2913	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
2915	);	3548	);
2916	BDB::min_parallel 8;
2917		3549
2918	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
2919	my $status;	3551	my $status;
2920	my $current = $Coro::current;	3552	my $current = $Coro::current;
2921	(	3553	(
…		…
2930	)	3562	)
2931	};	3563	};
2932		3564
2933	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		3571
2936	cf::sync_job {	3572	cf::sync_job {
2937	eval {	3573	eval {
2938	BDB::db_env_open	3574	BDB::db_env_open
2939	$DB_ENV,	3575	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	3579	0666;
2944		3580
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	3582	};
2950		3583
2951	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	3585	};
2953	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
2954	}	3618	}
2955		3619
2956	{	3620	{
2957	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
2958		3622
…		…
2961	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
2962	reentrant => 0,	3626	reentrant => 0,
2963	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
2965	poll => 'r',	3629	poll => 'r',
2966	prio => 6,	3630	prio => 0,
2967	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
2968	);	3632	);
2969	}	3633	}
2970		3634
2971	my $_log_backtrace;	3635	my $_log_backtrace;
…		…
2977		3641
2978	# limit the # of concurrent backtraces	3642	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	3643	if ($_log_backtrace < 2) {
2980	++$_log_backtrace;	3644	++$_log_backtrace;
2981	async {	3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
2982	my @bt = fork_call {	3648	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	3649	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	3652	or die "addr2line: $!";

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