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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		206
194	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	208	# within the Safe compartment.
196	for my $pkg (qw(	209	for my $pkg (qw(
197	cf::global cf::attachable	210	cf::global cf::attachable
…		…
205	}	218	}
206		219
207	$Event::DIED = sub {	220	$Event::DIED = sub {
208	warn "error in event callback: @_";	221	warn "error in event callback: @_";
209	};	222	};
		223
		224	#############################################################################
210		225
211	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
212		227
213	=over 4	228	=over 4
214		229
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	249	$d
235	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
236	}	251	}
237		252
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
241		254
242	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
243		256
244	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
245		258
246	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
247		267
248	=item cf::lock_wait $string	268	=item cf::lock_wait $string
249		269
250	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
251		271
…		…
254	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
257	returned.	277	returned.
258		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
259	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
261		284
262	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
263		286
264	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
265		288
266	=cut	289	=cut
267		290
268	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
269		293
270	sub lock_wait($) {	294	sub lock_wait($) {
271	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
272		301
273	# wait for lock, if any	302	# wait for lock, if any
274	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;	305	Coro::schedule;
…		…
282		311
283	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
284	lock_wait $key;	313	lock_wait $key;
285		314
286	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
287		317
288	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
289	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
291	}	322	}
292	}	323	}
293		324
…		…
305	};	336	};
306	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
307	$guard	338	$guard
308	}	339	}
309		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
310	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
311		400
312	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
313	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
314	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
317		406
318	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
319		408
320	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
321		410
322	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
325		415
326	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
329	fast or be very important.	419	fast or be very important.
…		…
337	my $time = Event::time;	427	my $time = Event::time;
338		428
339	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
341		431
		432	LOG llevError, 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
355	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
356	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
357	}	454	}
358		455
359	$time = Event::time - $time;	456	$time = Event::time - $time;
360		457
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
389	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
390		487
391	$coro	488	$coro
392	}	489	}
393		490
394	sub write_runtime {	491	=item fork_call { }, $args
395	my $runtime = "$LOCALDIR/runtime";
396		492
397	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
399		497
400	IO::AIO::aio_utime $runtime, undef, undef;	498	=cut
401		499
402	my $guard = cf::lock_acquire "write_runtime";	500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
403		502
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	503	# we seemingly have to make a local copy of the whole thing,
405	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
406		506
407	my $value = $cf::RUNTIME + 90 + 10;	507	my @res = Coro::Util::fork_eval {
408	# 10 is the runtime save interval, for a monotonic clock	508	reset_signals;
409	# 60 allows for the watchdog to kill the server.	509	&$cb
		510	}, @args;
410		511
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	512	wantarray ? @res : $res[-1]
412	and return;	513	}
413		514
414	# always fsync - this file is important	515	=item $value = cf::db_get $family => $key
415	aio_fsync $fh
416	and return;
417		516
418	# touch it again to show we are up-to-date	517	Returns a single value from the environment database.
419	aio_utime $fh, undef, undef;
420		518
421	close $fh	519	=item cf::db_put $family => $key => $value
422	or return;
423		520
424	aio_rename "$runtime~", $runtime	521	Stores the given C<$value> in the family. It can currently store binary
425	and return;	522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426		523
427	warn "runtime file written.\n";#d#	524	=item $db = cf::db_table "name"
428		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
429	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
430	}	640	}
431		641
432	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
433		643
434	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
452	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
453	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
454		664
455	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
456	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
457	crossfire+).	667	Crossfire TRT).
458		668
459	=over 4	669	=over 4
460		670
461	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
462		672
…		…
664	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
665	}	875	}
666		876
667	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
668	} else {	878	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
670	}	880	}
671		881
672	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
673	}	883	}
674		884
…		…
714	";	924	";
715	die if $@;	925	die if $@;
716	}	926	}
717		927
718	our $override;	928	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		930
721	sub override {	931	sub override {
722	$override = 1;	932	$override = 1;
723	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
724	}	934	}
725		935
726	sub do_invoke {	936	sub do_invoke {
727	my $event = shift;	937	my $event = shift;
728	my $callbacks = shift;	938	my $callbacks = shift;
729		939
730	@invoke_results = ();	940	@INVOKE_RESULTS = ();
731		941
732	local $override;	942	local $override;
733		943
734	for (@$callbacks) {	944	for (@$callbacks) {
735	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
752		962
753	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
754		964
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	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	966	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		968
759	=back	969	=back
760		970
761	=cut	971	=cut
762		972
763	#############################################################################	973	#############################################################################
764	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
765		1017
766	sub reattach {	1018	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1020	my ($obj) = @_;
769		1021
…		…
816	sub object_freezer_save {	1068	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
818		1070
819	sync_job {	1071	sync_job {
820	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
823		1076
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
828	close $fh;	1081	close $fh;
829		1082
830	if (@$objs) {	1083	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
836	close $fh;	1089	close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
838	}	1091	}
…		…
846	}	1099	}
847	} else {	1100	} else {
848	aio_unlink $filename;	1101	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
850	}	1103	}
851	}	1104	};
852	}	1105	}
853		1106
854	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
856		1109
…		…
868	or return;	1121	or return;
869		1122
870	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
872	or return;	1125	or return;
873	$av = eval { (Storable::thaw $av)->{objs} };
874	}
875		1126
		1127	my $st = eval { Coro::Storable::thaw $av }
		1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1129	$av = $st->{objs};
		1130	}
		1131
		1132	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1133	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1134	$decname, length $data, scalar @{$av || []};
		1135
878	return ($data, $av);	1136	($data, $av)
879	}	1137	}
		1138
		1139	=head2 COMMAND CALLBACKS
		1140
		1141	=over 4
		1142
		1143	=cut
880		1144
881	#############################################################################	1145	#############################################################################
882	# command handling &c	1146	# command handling &c
883		1147
884	=item cf::register_command $name => \&callback($ob,$args);	1148	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1161	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1162	}
899		1163
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1164	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1165
902	Register a callbackf ro execution when the client sends an extcmd packet.	1166	Register a callback for execution when the client sends an (synchronous)
		1167	extcmd packet. Ext commands will be processed in the order they are
		1168	received by the server, like other user commands. The first argument is
		1169	the logged-in player. Ext commands can only be processed after a player
		1170	has logged in successfully.
903		1171
904	If the callback returns something, it is sent back as if reply was being	1172	If the callback returns something, it is sent back as if reply was being
905	called.	1173	called.
906		1174
		1175	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1176
		1177	Register a callback for execution when the client sends an (asynchronous)
		1178	exticmd packet. Exti commands are processed by the server as soon as they
		1179	are received, i.e. out of order w.r.t. other commands. The first argument
		1180	is a client socket. Exti commands can be received anytime, even before
		1181	log-in.
		1182
		1183	If the callback returns something, it is sent back as if reply was being
		1184	called.
		1185
907	=cut	1186	=cut
908		1187
909	sub register_extcmd {	1188	sub register_extcmd {
910	my ($name, $cb) = @_;	1189	my ($name, $cb) = @_;
911		1190
912	$EXTCMD{$name} = $cb;	1191	$EXTCMD{$name} = $cb;
		1192	}
		1193
		1194	sub register_exticmd {
		1195	my ($name, $cb) = @_;
		1196
		1197	$EXTICMD{$name} = $cb;
913	}	1198	}
914		1199
915	cf::player->attach (	1200	cf::player->attach (
916	on_command => sub {	1201	on_command => sub {
917	my ($pl, $name, $params) = @_;	1202	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1211	cf::override;
927	},	1212	},
928	on_extcmd => sub {	1213	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1214	my ($pl, $buf) = @_;
930		1215
931	my $msg = eval { from_json $buf };	1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1217
933	if (ref $msg) {	1218	if (ref $msg) {
		1219	my ($type, $reply, @payload) =
		1220	"ARRAY" eq ref $msg
		1221	? @$msg
		1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1223
		1224	my @reply;
		1225
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1226	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1227	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1228	}
		1229
		1230	$pl->ext_reply ($reply, @reply)
		1231	if $reply;
		1232
939	} else {	1233	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1235	}
942		1236
943	cf::override;	1237	cf::override;
944	},	1238	},
945	);	1239	);
946		1240
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 {	1241	sub load_extensions {
		1242	cf::sync_job {
		1243	my %todo;
		1244
982	for my $ext (<$LIBDIR/*.ext>) {	1245	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1246	next unless -r $path;
984	eval {	1247
985	load_extension $ext;	1248	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1249	my $base = $1;
		1250	my $pkg = $1;
		1251	$pkg =~ s/[^[:word:]]/_/g;
		1252	$pkg = "ext::$pkg";
		1253
		1254	open my $fh, "<:utf8", $path
		1255	or die "$path: $!";
		1256
		1257	my $source = do { local $/; <$fh> };
		1258
		1259	my %ext = (
		1260	path => $path,
		1261	base => $base,
		1262	pkg => $pkg,
		1263	);
		1264
		1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1267
		1268	$ext{source} =
		1269	"package $pkg; use strict; use utf8;\n"
		1270	. "#line 1 \"$path\"\n{\n"
		1271	. $source
		1272	. "\n};\n1";
		1273
		1274	$todo{$base} = \%ext;
		1275	}
		1276
		1277	my %done;
		1278	while (%todo) {
		1279	my $progress;
		1280
		1281	while (my ($k, $v) = each %todo) {
		1282	for (split /,\s*/, $v->{meta}{depends}) {
		1283	goto skip
		1284	unless exists $done{$_};
		1285	}
		1286
		1287	warn "... loading '$k' into '$v->{pkg}'\n";
		1288
		1289	unless (eval $v->{source}) {
		1290	my $msg = $@ ? "$v->{path}: $@\n"
		1291	: "$v->{base}: extension inactive.\n";
		1292
		1293	if (exists $v->{meta}{mandatory}) {
		1294	warn $msg;
		1295	warn "mandatory extension failed to load, exiting.\n";
		1296	exit 1;
		1297	}
		1298
		1299	warn $msg;
		1300	}
		1301
		1302	$done{$k} = delete $todo{$k};
		1303	push @EXTS, $v->{pkg};
		1304	$progress = 1;
986	1	1305	}
987	} or warn "$ext not loaded: $@";	1306
		1307	skip:
		1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1309	unless $progress;
		1310	}
988	}	1311	};
989	}	1312	}
990		1313
991	#############################################################################	1314	#############################################################################
992		1315
		1316	=back
		1317
993	=head2 CORE EXTENSIONS	1318	=head2 CORE EXTENSIONS
994		1319
995	Functions and methods that extend core crossfire objects.	1320	Functions and methods that extend core crossfire objects.
996		1321
997	=cut	1322	=cut
…		…
1001	use Coro::AIO;	1326	use Coro::AIO;
1002		1327
1003	=head3 cf::player	1328	=head3 cf::player
1004		1329
1005	=over 4	1330	=over 4
		1331
		1332	=item cf::player::num_playing
		1333
		1334	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1335
		1336	=cut
		1337
		1338	sub num_playing {
		1339	scalar grep
		1340	$_->ob->map
		1341	&& !$_->hidden
		1342	&& !$_->ob->flag (cf::FLAG_WIZ),
		1343	cf::player::list
		1344	}
1006		1345
1007	=item cf::player::find $login	1346	=item cf::player::find $login
1008		1347
1009	Returns the given player object, loading it if necessary (might block).	1348	Returns the given player object, loading it if necessary (might block).
1010		1349
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1385	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1386	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1387	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1388	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1389
1051	my $pl = load_pl path $login	1390	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1391	or return;
		1392
		1393	my $pl = cf::player::load_pl $f
		1394	or return;
		1395	local $cf::PLAYER_LOADING{$login} = $pl;
		1396	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1397	$cf::PLAYER{$login} = $pl
1054	}	1398	}
1055	}	1399	}
1056	}	1400	}
1057		1401
…		…
1067		1411
1068	aio_mkdir playerdir $pl, 0770;	1412	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1413	$pl->{last_save} = $cf::RUNTIME;
1070		1414
1071	$pl->save_pl ($path);	1415	$pl->save_pl ($path);
1072	Coro::cede;	1416	cf::cede_to_tick;
1073	}	1417	}
1074		1418
1075	sub new($) {	1419	sub new($) {
1076	my ($login) = @_;	1420	my ($login) = @_;
1077		1421
…		…
1081	$self->{deny_save} = 1;	1425	$self->{deny_save} = 1;
1082		1426
1083	$cf::PLAYER{$login} = $self;	1427	$cf::PLAYER{$login} = $self;
1084		1428
1085	$self	1429	$self
		1430	}
		1431
		1432	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1433
		1434	=cut
		1435
		1436	sub send_msg {
		1437	my $ns = shift->ns
		1438	or return;
		1439	$ns->send_msg (@_);
1086	}	1440	}
1087		1441
1088	=item $pl->quit_character	1442	=item $pl->quit_character
1089		1443
1090	Nukes the player without looking back. If logged in, the connection will	1444	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1499	or return [];
1146		1500
1147	my @logins;	1501	my @logins;
1148		1502
1149	for my $login (@$dirs) {	1503	for my $login (@$dirs) {
		1504	my $path = path $login;
		1505
		1506	# a .pst is a dead give-away for a valid player
		1507	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1509	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1510	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1511	}
1153		1512
1154	utf8::decode $login;	1513	utf8::decode $login;
1155	push @logins, $login;	1514	push @logins, $login;
1156	}	1515	}
1157		1516
…		…
1184	}	1543	}
1185		1544
1186	\@paths	1545	\@paths
1187	}	1546	}
1188		1547
		1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1549
		1550	Expand crossfire pod fragments into protocol xml.
		1551
		1552	=cut
		1553
		1554	sub expand_cfpod {
		1555	((my $self), (local $_)) = @_;
		1556
		1557	# escape & and <
		1558	s/&/&amp;/g;
		1559	s/(?<![BIUGHT])</&lt;/g;
		1560
		1561	# this is buggy, it needs to properly take care of nested <'s
		1562
		1563	1 while
		1564	# replace B<>, I<>, U<> etc.
		1565	s/B<([^\>]*)>/<b>$1<\/b>/
		1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1569	# replace G<male|female> tags
		1570	|| s{G<([^>|]*)\|([^>]*)>}{
		1571	$self->gender ? $2 : $1
		1572	}ge
		1573	# replace H<hint text>
		1574	|| s{H<([^\>]*)>}
		1575	{
		1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1578	"")
		1579	[$self->{hintmode}]
		1580	}ge;
		1581
		1582	# create single paragraphs (very hackish)
		1583	s/(?<=\S)\n(?=\w)/ /g;
		1584
		1585	# compress some whitespace
		1586	s/\s+\n/\n/g; # ws line-ends
		1587	s/\n\n+/\n/g; # double lines
		1588	s/^\n+//; # beginning lines
		1589	s/\n+$//; # ending lines
		1590
		1591	$_
		1592	}
		1593
		1594	sub hintmode {
		1595	$_[0]{hintmode} = $_[1] if @_ > 1;
		1596	$_[0]{hintmode}
		1597	}
		1598
1189	=item $player->ext_reply ($msgid, %msg)	1599	=item $player->ext_reply ($msgid, @msg)
1190		1600
1191	Sends an ext reply to the player.	1601	Sends an ext reply to the player.
1192		1602
1193	=cut	1603	=cut
1194		1604
1195	sub ext_reply($$%) {	1605	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1606	my ($self, $id, @msg) = @_;
1197		1607
1198	$msg{msgid} = $id;	1608	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1609	}
1202		1610
1203	=item $player->ext_event ($type, %msg)	1611	=item $player->ext_msg ($type, @msg)
1204		1612
1205	Sends an ext event to the client.	1613	Sends an ext event to the client.
1206		1614
1207	=cut	1615	=cut
1208		1616
1209	sub ext_event($$%) {	1617	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1618	my ($self, $type, @msg) = @_;
1211		1619
1212	$self->ns->ext_event ($type, %msg);	1620	$self->ns->ext_msg ($type, @msg);
1213	}	1621	}
1214		1622
1215	=head3 cf::region	1623	=head3 cf::region
1216		1624
1217	=over 4	1625	=over 4
…		…
1220		1628
1221	package cf::region;	1629	package cf::region;
1222		1630
1223	=item cf::region::find_by_path $path	1631	=item cf::region::find_by_path $path
1224		1632
1225	Tries to decuce the probable region for a map knowing only its path.	1633	Tries to decuce the likely region for a map knowing only its path.
1226		1634
1227	=cut	1635	=cut
1228		1636
1229	sub find_by_path($) {	1637	sub find_by_path($) {
1230	my ($path) = @_;	1638	my ($path) = @_;
1231		1639
1232	my ($match, $specificity);	1640	my ($match, $specificity);
1233		1641
1234	for my $region (list) {	1642	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1643	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1644	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1645	if $region->specificity > $specificity;
1238	}	1646	}
1239	}	1647	}
1240		1648
…		…
1304	my ($self, $merge) = @_;	1712	my ($self, $merge) = @_;
1305		1713
1306	# we have to keep some variables in memory intact	1714	# we have to keep some variables in memory intact
1307	local $self->{path};	1715	local $self->{path};
1308	local $self->{load_path};	1716	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1717
1312	$self->SUPER::thawer_merge ($merge);	1718	$self->SUPER::thawer_merge ($merge);
1313	}	1719	}
1314		1720
1315	sub normalise {	1721	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1768	$self->init; # pass $1 etc.
1363	return $self;	1769	return $self;
1364	}	1770	}
1365	}	1771	}
1366		1772
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1773	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1774	()
1369	}	1775	}
1370		1776
1371	sub init {	1777	sub init {
1372	my ($self) = @_;	1778	my ($self) = @_;
…		…
1415		1821
1416	$_->change_map_light ($change)	1822	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1823	for grep $_->outdoor, values %cf::MAP;
1418	}	1824	}
1419		1825
		1826	sub decay_objects {
		1827	my ($self) = @_;
		1828
		1829	return if $self->{deny_reset};
		1830
		1831	$self->do_decay_objects;
		1832	}
		1833
1420	sub unlink_save {	1834	sub unlink_save {
1421	my ($self) = @_;	1835	my ($self) = @_;
1422		1836
1423	utf8::encode (my $save = $self->save_path);	1837	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1838	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1841
1428	sub load_header_from($) {	1842	sub load_header_from($) {
1429	my ($self, $path) = @_;	1843	my ($self, $path) = @_;
1430		1844
1431	utf8::encode $path;	1845	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1846	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1847	or return;
		1848
		1849	$self->_load_header ($f)
		1850	or return;
		1851
		1852	local $MAP_LOADING{$self->{path}} = $self;
		1853	$f->resolve_delayed_derefs;
1437		1854
1438	$self->{load_path} = $path;	1855	$self->{load_path} = $path;
1439		1856
1440	1	1857	1
1441	}	1858	}
…		…
1480	$self->load_header_orig	1897	$self->load_header_orig
1481	or return;	1898	or return;
1482	$self->prepare_orig;	1899	$self->prepare_orig;
1483	}	1900	}
1484		1901
		1902	$self->{deny_reset} = 1
		1903	if $self->no_reset;
		1904
1485	$self->default_region (cf::region::find_by_path $self->{path})	1905	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1906	unless $self->default_region;
1487		1907
1488	1	1908	1
1489	}	1909	}
…		…
1492	sub find {	1912	sub find {
1493	my ($path, $origin) = @_;	1913	my ($path, $origin) = @_;
1494		1914
1495	$path = normalise $path, $origin && $origin->path;	1915	$path = normalise $path, $origin && $origin->path;
1496		1916
		1917	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1918	cf::lock_wait "map_find:$path";
1498		1919
1499	$cf::MAP{$path} || do {	1920	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1921	my $guard1 = cf::lock_acquire "map_find:$path";
		1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1923
1501	my $map = new_from_path cf::map $path	1924	my $map = new_from_path cf::map $path
1502	or return;	1925	or return;
1503		1926
1504	$map->{last_save} = $cf::RUNTIME;	1927	$map->{last_save} = $cf::RUNTIME;
1505		1928
1506	$map->load_header	1929	$map->load_header
1507	or return;	1930	or return;
1508		1931
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1933	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1934	#$cf::WAIT_FOR_TICK->wait;
		1935	undef $guard1;
		1936	undef $guard2;
1512	$map->reset;	1937	$map->reset;
1513	undef $guard;
1514	return find $path;	1938	return find $path;
1515	}	1939	}
1516		1940
1517	$cf::MAP{$path} = $map	1941	$cf::MAP{$path} = $map
1518	}	1942	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1951	local $self->{deny_reset} = 1; # loading can take a long time
1528		1952
1529	my $path = $self->{path};	1953	my $path = $self->{path};
1530		1954
1531	{	1955	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1956	my $guard = cf::lock_acquire "map_data:$path";
1533		1957
		1958	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1959	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1960
1536	$self->in_memory (cf::MAP_LOADING);	1961	$self->in_memory (cf::MAP_LOADING);
1537		1962
1538	$self->alloc;	1963	$self->alloc;
1539		1964
1540	$self->pre_load;	1965	$self->pre_load;
1541	Coro::cede;	1966	cf::cede_to_tick;
1542		1967
		1968	my $f = new_from_file cf::object::thawer $self->{load_path};
		1969	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	1970	$self->_load_objects ($f)
1544	or return;	1971	or return;
1545		1972
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	1974	if delete $self->{load_original};
1548		1975
1549	if (my $uniq = $self->uniq_path) {	1976	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	1977	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	1978	unless (aio_stat $uniq) {
		1979	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	1980	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	1981	$self->_load_objects ($f);
		1982	$f->resolve_delayed_derefs;
		1983	}
1554	}	1984	}
1555	}	1985	}
1556		1986
1557	Coro::cede;	1987	$f->resolve_delayed_derefs;
		1988
		1989	cf::cede_to_tick;
1558	# now do the right thing for maps	1990	# now do the right thing for maps
1559	$self->link_multipart_objects;	1991	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	1992	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	1993	unless $self->difficulty;
1562	Coro::cede;	1994	cf::cede_to_tick;
1563		1995
1564	unless ($self->{deny_activate}) {	1996	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	1997	$self->decay_objects;
1566	$self->fix_auto_apply;	1998	$self->fix_auto_apply;
1567	$self->update_buttons;	1999	$self->update_buttons;
1568	Coro::cede;	2000	cf::cede_to_tick;
1569	$self->set_darkness_map;	2001	$self->set_darkness_map;
1570	Coro::cede;	2002	cf::cede_to_tick;
1571	$self->activate;	2003	$self->activate;
1572	}	2004	}
		2005
		2006	$self->{last_save} = $cf::RUNTIME;
		2007	$self->last_access ($cf::RUNTIME);
1573		2008
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2009	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2010	}
1576		2011
1577	$self->post_load;	2012	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2016	my ($self, $ob) = @_;
1582		2017
1583	return find "~" . $ob->name . "/" . $self->{path}	2018	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2019	if $self->per_player;
1585		2020
		2021	# return find "?party/" . $ob->name . "/" . $self->{path}
		2022	# if $self->per_party;
		2023
1586	$self	2024	$self
1587	}	2025	}
1588		2026
1589	# find and load all maps in the 3x3 area around a map	2027	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2028	sub load_neighbours {
1591	my ($map) = @_;	2029	my ($map) = @_;
1592		2030
1593	my @diag; # diagonal neighbours	2031	my @neigh; # diagonal neighbours
1594		2032
1595	for (0 .. 3) {	2033	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2034	my $neigh = $map->tile_path ($_)
1597	or next;	2035	or next;
1598	$neigh = find $neigh, $map	2036	$neigh = find $neigh, $map
1599	or next;	2037	or next;
1600	$neigh->load;	2038	$neigh->load;
1601		2039
		2040	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2043	}
1605		2044
1606	for (@diag) {	2045	for (grep defined $_->[0], @neigh) {
		2046	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2047	my $neigh = find $path, $origin
1608	or next;	2048	or next;
1609	$neigh->load;	2049	$neigh->load;
1610	}	2050	}
1611	}	2051	}
1612		2052
…		…
1617	}	2057	}
1618		2058
1619	sub do_load_sync {	2059	sub do_load_sync {
1620	my ($map) = @_;	2060	my ($map) = @_;
1621		2061
		2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2063	if $Coro::current == $Coro::main;
		2064
1622	cf::sync_job { $map->load };	2065	cf::sync_job { $map->load };
1623	}	2066	}
1624		2067
1625	our %MAP_PREFETCH;	2068	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2069	our $MAP_PREFETCHER = undef;
1627		2070
1628	sub find_async {	2071	sub find_async {
1629	my ($path, $origin) = @_;	2072	my ($path, $origin, $load) = @_;
1630		2073
1631	$path = normalise $path, $origin && $origin->{path};	2074	$path = normalise $path, $origin && $origin->{path};
1632		2075
1633	if (my $map = $cf::MAP{$path}) {	2076	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2078	}
1636		2079
1637	undef $MAP_PREFETCH{$path};	2080	$MAP_PREFETCH{$path} |= $load;
		2081
1638	$MAP_PREFETCHER ||= cf::async {	2082	$MAP_PREFETCHER ||= cf::async {
		2083	$Coro::current->{desc} = "map prefetcher";
		2084
1639	while (%MAP_PREFETCH) {	2085	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2086	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2087	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2088	$map->load if $v;
		2089	}
1644		2090
1645	delete $MAP_PREFETCH{$path};	2091	delete $MAP_PREFETCH{$k};
1646	}	2092	}
1647	}	2093	}
1648	undef $MAP_PREFETCHER;	2094	undef $MAP_PREFETCHER;
1649	};	2095	};
1650	$MAP_PREFETCHER->prio (6);	2096	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2099	}
1654		2100
1655	sub save {	2101	sub save {
1656	my ($self) = @_;	2102	my ($self) = @_;
1657		2103
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2105
1660	$self->{last_save} = $cf::RUNTIME;	2106	$self->{last_save} = $cf::RUNTIME;
1661		2107
1662	return unless $self->dirty;	2108	return unless $self->dirty;
1663		2109
…		…
1669	return if $self->{deny_save};	2115	return if $self->{deny_save};
1670		2116
1671	local $self->{last_access} = $self->last_access;#d#	2117	local $self->{last_access} = $self->last_access;#d#
1672		2118
1673	cf::async {	2119	cf::async {
		2120	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2121	$_->contr->save for $self->players;
1675	};	2122	};
1676		2123
1677	if ($uniq) {	2124	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2133	my ($self) = @_;
1687		2134
1688	# save first because save cedes	2135	# save first because save cedes
1689	$self->save;	2136	$self->save;
1690		2137
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2139
1693	return if $self->players;	2140	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2141	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2142	return if $self->{deny_save};
1696		2143
		2144	$self->in_memory (cf::MAP_SWAPPED);
		2145
		2146	$self->deactivate;
		2147	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2148	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2149	}
1700		2150
1701	sub reset_at {	2151	sub reset_at {
1702	my ($self) = @_;	2152	my ($self) = @_;
1703		2153
1704	# TODO: safety, remove and allow resettable per-player maps	2154	# 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};	2155	return 1e99 if $self->{deny_reset};
1707		2156
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2159
…		…
1721	my ($self) = @_;	2170	my ($self) = @_;
1722		2171
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2173
1725	return if $self->players;	2174	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2175
1728	warn "resetting map ", $self->path;#d#	2176	warn "resetting map ", $self->path;
1729		2177
1730	$self->in_memory (cf::MAP_SWAPPED);	2178	$self->in_memory (cf::MAP_SWAPPED);
1731		2179
1732	# need to save uniques path	2180	# need to save uniques path
1733	unless ($self->{deny_save}) {	2181	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2185	if $uniq;
1738	}	2186	}
1739		2187
1740	delete $cf::MAP{$self->path};	2188	delete $cf::MAP{$self->path};
1741		2189
		2190	$self->deactivate;
		2191	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2192	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2193
1746	$self->unlink_save;	2194	$self->unlink_save;
1747	$self->destroy;	2195	$self->destroy;
1748	}	2196	}
1749		2197
1750	my $nuke_counter = "aaaa";	2198	my $nuke_counter = "aaaa";
1751		2199
1752	sub nuke {	2200	sub nuke {
1753	my ($self) = @_;	2201	my ($self) = @_;
1754		2202
		2203	{
		2204	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2205
1755	delete $cf::MAP{$self->path};	2206	delete $cf::MAP{$self->path};
1756		2207
1757	$self->unlink_save;	2208	$self->unlink_save;
1758		2209
1759	bless $self, "cf::map";	2210	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2211	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2212	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2213	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2215
1765	$cf::MAP{$self->path} = $self;	2216	$cf::MAP{$self->path} = $self;
		2217	}
1766		2218
1767	$self->reset; # polite request, might not happen	2219	$self->reset; # polite request, might not happen
		2220	}
		2221
		2222	=item $maps = cf::map::tmp_maps
		2223
		2224	Returns an arrayref with all map paths of currently instantiated and saved
		2225	maps. May block.
		2226
		2227	=cut
		2228
		2229	sub tmp_maps() {
		2230	[
		2231	map {
		2232	utf8::decode $_;
		2233	/\.map$/
		2234	? normalise $_
		2235	: ()
		2236	} @{ aio_readdir $TMPDIR or [] }
		2237	]
		2238	}
		2239
		2240	=item $maps = cf::map::random_maps
		2241
		2242	Returns an arrayref with all map paths of currently instantiated and saved
		2243	random maps. May block.
		2244
		2245	=cut
		2246
		2247	sub random_maps() {
		2248	[
		2249	map {
		2250	utf8::decode $_;
		2251	/\.map$/
		2252	? normalise "?random/$_"
		2253	: ()
		2254	} @{ aio_readdir $RANDOMDIR or [] }
		2255	]
1768	}	2256	}
1769		2257
1770	=item cf::map::unique_maps	2258	=item cf::map::unique_maps
1771		2259
1772	Returns an arrayref of paths of all shared maps that have	2260	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2261	instantiated unique items. May block.
1774		2262
1775	=cut	2263	=cut
1776		2264
1777	sub unique_maps() {	2265	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2266	[
1779	or return;	2267	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2268	utf8::decode $_;
1785	next if /\.pst$/;	2269	/\.map$/
1786	next unless /^$PATH_SEP/o;	2270	? normalise $_
1787		2271	: ()
1788	push @paths, cf::map::normalise $_;	2272	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2273	]
1790
1791	\@paths
1792	}	2274	}
1793		2275
1794	package cf;	2276	package cf;
1795		2277
1796	=back	2278	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2296	map { $_, inv_recursive_ $_->inv } @_
1815	}	2297	}
1816		2298
1817	sub inv_recursive {	2299	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2300	inv_recursive_ inv $_[0]
		2301	}
		2302
		2303	=item $ref = $ob->ref
		2304
		2305	creates and returns a persistent reference to an objetc that can be stored as a string.
		2306
		2307	=item $ob = cf::object::deref ($refstring)
		2308
		2309	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2310	even if the object actually exists. May block.
		2311
		2312	=cut
		2313
		2314	sub deref {
		2315	my ($ref) = @_;
		2316
		2317	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2318	my ($uuid, $name) = ($1, $2);
		2319	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2320	or return;
		2321	$pl->ob->uuid eq $uuid
		2322	or return;
		2323
		2324	$pl->ob
		2325	} else {
		2326	warn "$ref: cannot resolve object reference\n";
		2327	undef
		2328	}
1819	}	2329	}
1820		2330
1821	package cf;	2331	package cf;
1822		2332
1823	=back	2333	=back
…		…
1842		2352
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2353	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2354
1845	if ($self->{record_replies}) {	2355	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2356	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2357
1847	} else {	2358	} else {
		2359	my $pl = $self->contr;
		2360
		2361	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2362	my $dialog = $pl->{npc_dialog};
		2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2364
		2365	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2366	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2367	$self->message ($msg, $flags);
		2368	}
1850	}	2369	}
		2370	}
		2371
		2372	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2373
		2374	=cut
		2375
		2376	sub cf::object::send_msg {
		2377	my $pl = shift->contr
		2378	or return;
		2379	$pl->send_msg (@_);
1851	}	2380	}
1852		2381
1853	=item $player_object->may ("access")	2382	=item $player_object->may ("access")
1854		2383
1855	Returns wether the given player is authorized to access resource "access"	2384	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2463	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2464	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2465	if $x <=0 && $y <= 0;
1937		2466
1938	$map->load;	2467	$map->load;
1939	$map->load_diag;	2468	$map->load_neighbours;
1940		2469
1941	return unless $self->contr->active;	2470	return unless $self->contr->active;
1942	$self->activate_recursive;	2471	$self->activate_recursive;
1943		2472
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2474	$self->enter_map ($map, $x, $y);
1946	}	2475	}
1947		2476
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2477	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2478
1950	Moves the player to the given map-path and coordinates by first freezing	2479	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2480	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2481	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2482	the new (success) or old (failed) map position. In either case, $done will
		2483	be called at the end of this process.
1954		2484
1955	=cut	2485	=cut
1956		2486
1957	our $GOTOGEN;	2487	our $GOTOGEN;
1958		2488
1959	sub cf::object::player::goto {	2489	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2490	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2491
1962	# do generation counting so two concurrent goto's will be executed in-order	2492	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2494
1965	$self->enter_link;	2495	$self->enter_link;
1966		2496
1967	(async {	2497	(async {
		2498	$Coro::current->{desc} = "player::goto $path $x $y";
		2499
		2500	# *tag paths override both path and x|y
		2501	if ($path =~ /^\*(.*)$/) {
		2502	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2503	my $ob = $obs[rand @obs];
		2504
		2505	# see if we actually can go there
		2506	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2507	$ob = $obs[rand @obs];
		2508	} else {
		2509	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2510	}
		2511	# else put us there anyways for now #d#
		2512
		2513	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2514	} else {
		2515	($path, $x, $y) = (undef, undef, undef);
		2516	}
		2517	}
		2518
1968	my $map = eval {	2519	my $map = eval {
1969	my $map = cf::map::find $path;	2520	my $map = defined $path ? cf::map::find $path : undef;
1970		2521
1971	if ($map) {	2522	if ($map) {
1972	$map = $map->customise_for ($self);	2523	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2524	$map = $check->($map) if $check && $map;
1974	} else {	2525	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2527	}
1977		2528
1978	$map	2529	$map
1979	};	2530	};
1980		2531
…		…
1985		2536
1986	if ($gen == $self->{_goto_generation}) {	2537	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2538	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2539	$self->leave_link ($map, $x, $y);
1989	}	2540	}
		2541
		2542	$done->() if $done;
1990	})->prio (1);	2543	})->prio (1);
1991	}	2544	}
1992		2545
1993	=item $player_object->enter_exit ($exit_object)	2546	=item $player_object->enter_exit ($exit_object)
1994		2547
…		…
2063	my $hp = $exit->stats->hp;	2616	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2617	my $sp = $exit->stats->sp;
2065		2618
2066	$self->enter_link;	2619	$self->enter_link;
2067		2620
		2621	# if exit is damned, update players death & WoR home-position
		2622	$self->contr->savebed ($slaying, $hp, $sp)
		2623	if $exit->flag (FLAG_DAMNED);
		2624
2068	(async {	2625	(async {
		2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2627
2069	$self->deactivate_recursive; # just to be sure	2628	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2629	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2630	$self->goto ($slaying, $hp, $sp);
2072		2631
2073	1;	2632	1;
…		…
2099		2658
2100	utf8::encode $text;	2659	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2660	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2661	}
2103		2662
		2663	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2664
		2665	Send a drawinfo or msg packet to the client, formatting the msg for the
		2666	client if neccessary. C<$type> should be a string identifying the type of
		2667	the message, with C<log> being the default. If C<$color> is negative, suppress
		2668	the message unless the client supports the msg packet.
		2669
		2670	=cut
		2671
		2672	our %CHANNEL = (
		2673	"c/identify" => {
		2674	id => "infobox",
		2675	title => "Identify",
		2676	reply => undef,
		2677	tooltip => "Items recently identified",
		2678	},
		2679	"c/examine" => {
		2680	id => "infobox",
		2681	title => "Examine",
		2682	reply => undef,
		2683	tooltip => "Signs and other items you examined",
		2684	},
		2685	"c/lookat" => {
		2686	id => "infobox",
		2687	title => "Look",
		2688	reply => undef,
		2689	tooltip => "What you saw there",
		2690	},
		2691	);
		2692
		2693	sub cf::client::send_msg {
		2694	my ($self, $channel, $msg, $color, @extra) = @_;
		2695
		2696	$msg = $self->pl->expand_cfpod ($msg);
		2697
		2698	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2699
		2700	# check predefined channels, for the benefit of C
		2701	if ($CHANNEL{$channel}) {
		2702	$channel = $CHANNEL{$channel};
		2703
		2704	$self->ext_msg (channel_info => $channel)
		2705	if $self->can_msg;
		2706
		2707	$channel = $channel->{id};
		2708
		2709	} elsif (ref $channel) {
		2710	# send meta info to client, if not yet sent
		2711	unless (exists $self->{channel}{$channel->{id}}) {
		2712	$self->{channel}{$channel->{id}} = $channel;
		2713	$self->ext_msg (channel_info => $channel)
		2714	if $self->can_msg;
		2715	}
		2716
		2717	$channel = $channel->{id};
		2718	}
		2719
		2720	return unless @extra || length $msg;
		2721
		2722	if ($self->can_msg) {
		2723	# default colour, mask it out
		2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2725	if $color & cf::NDI_DEF;
		2726
		2727	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2729	} else {
		2730	if ($color >= 0) {
		2731	# replace some tags by gcfclient-compatible ones
		2732	for ($msg) {
		2733	1 while
		2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2739	}
		2740
		2741	$color &= cf::NDI_COLOR_MASK;
		2742
		2743	utf8::encode $msg;
		2744
		2745	if (0 && $msg =~ /\[/) {
		2746	# COMMAND/INFO
		2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2748	} else {
		2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2750	$self->send_packet ("drawinfo $color $msg")
		2751	}
		2752	}
		2753	}
		2754	}
		2755
2104	=item $client->ext_event ($type, %msg)	2756	=item $client->ext_msg ($type, @msg)
2105		2757
2106	Sends an exti event to the client.	2758	Sends an ext event to the client.
2107		2759
2108	=cut	2760	=cut
2109		2761
2110	sub cf::client::ext_event($$%) {	2762	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2763	my ($self, $type, @msg) = @_;
2112		2764
		2765	if ($self->extcmd == 2) {
		2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2767	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2768	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2770	}
		2771	}
		2772
		2773	=item $client->ext_reply ($msgid, @msg)
		2774
		2775	Sends an ext reply to the client.
		2776
		2777	=cut
		2778
		2779	sub cf::client::ext_reply($$@) {
		2780	my ($self, $id, @msg) = @_;
		2781
		2782	if ($self->extcmd == 2) {
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2784	} elsif ($self->extcmd == 1) {
		2785	#TODO: version 1, remove
		2786	unshift @msg, msgtype => "reply", msgid => $id;
		2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2788	}
2115	}	2789	}
2116		2790
2117	=item $success = $client->query ($flags, "text", \&cb)	2791	=item $success = $client->query ($flags, "text", \&cb)
2118		2792
2119	Queues a query to the client, calling the given callback with	2793	Queues a query to the client, calling the given callback with
2120	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2794	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2795	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2796
2123	Queries can fail, so check the return code. Or don't, as queries will become	2797	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2798	become reliable at some point in the future.
2125		2799
2126	=cut	2800	=cut
2127		2801
2128	sub cf::client::query {	2802	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2803	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2811	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2812	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2813
2140	$self->send_packet ($self->{query_queue}[0][0])	2814	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2815	if @{ $self->{query_queue} } == 1;
		2816
		2817	1
2142	}	2818	}
2143		2819
2144	cf::client->attach (	2820	cf::client->attach (
		2821	on_connect => sub {
		2822	my ($ns) = @_;
		2823
		2824	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2825	},
2145	on_reply => sub {	2826	on_reply => sub {
2146	my ($ns, $msg) = @_;	2827	my ($ns, $msg) = @_;
2147		2828
2148	# this weird shuffling is so that direct followup queries	2829	# this weird shuffling is so that direct followup queries
2149	# get handled first	2830	# get handled first
…		…
2161	} else {	2842	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2843	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2844	}
2164	}	2845	}
2165	},	2846	},
		2847	on_exticmd => sub {
		2848	my ($ns, $buf) = @_;
		2849
		2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2851
		2852	if (ref $msg) {
		2853	my ($type, $reply, @payload) =
		2854	"ARRAY" eq ref $msg
		2855	? @$msg
		2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2857
		2858	my @reply;
		2859
		2860	if (my $cb = $EXTICMD{$type}) {
		2861	@reply = $cb->($ns, @payload);
		2862	}
		2863
		2864	$ns->ext_reply ($reply, @reply)
		2865	if $reply;
		2866
		2867	} else {
		2868	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2869	}
		2870
		2871	cf::override;
		2872	},
2166	);	2873	);
2167		2874
2168	=item $client->async (\&cb)	2875	=item $client->async (\&cb)
2169		2876
2170	Create a new coroutine, running the specified callback. The coroutine will	2877	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2918	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2919	our $safe_hole = new Safe::Hole;
2213		2920
2214	$SIG{FPE} = 'IGNORE';	2921	$SIG{FPE} = 'IGNORE';
2215		2922
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2923	$safe->permit_only (Opcode::opset qw(
		2924	:base_core :base_mem :base_orig :base_math
		2925	grepstart grepwhile mapstart mapwhile
		2926	sort time
		2927	));
2217		2928
2218	# here we export the classes and methods available to script code	2929	# here we export the classes and methods available to script code
2219		2930
2220	=pod	2931	=pod
2221		2932
2222	The following functions and methods are available within a safe environment:	2933	The following functions and methods are available within a safe environment:
2223		2934
2224	cf::object contr pay_amount pay_player map	2935	cf::object
		2936	contr pay_amount pay_player map x y force_find force_add destroy
		2937	insert remove name archname title slaying race decrease_ob_nr
		2938
2225	cf::object::player player	2939	cf::object::player
2226	cf::player peaceful	2940	player
2227	cf::map trigger	2941
		2942	cf::player
		2943	peaceful
		2944
		2945	cf::map
		2946	trigger
2228		2947
2229	=cut	2948	=cut
2230		2949
2231	for (	2950	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2952	insert remove inv name archname title slaying race
		2953	decrease_ob_nr destroy)],
2233	["cf::object::player" => qw(player)],	2954	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	2955	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	2956	["cf::map" => qw(trigger)],
2236	) {	2957	) {
2237	no strict 'refs';	2958	no strict 'refs';
…		…
2308	=back	3029	=back
2309		3030
2310	=cut	3031	=cut
2311		3032
2312	#############################################################################	3033	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3034	# the server's init and main functions
2486		3035
2487	sub load_facedata($) {	3036	sub load_facedata($) {
2488	my ($path) = @_;	3037	my ($path) = @_;
		3038
		3039	# HACK to clear player env face cache, we need some signal framework
		3040	# for this (global event?)
		3041	%ext::player_env::MUSIC_FACE_CACHE = ();
		3042
		3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3044
2490	warn "loading facedata from $path\n";	3045	warn "loading facedata from $path\n";
2491		3046
2492	my $facedata;	3047	my $facedata;
2493	0 < aio_load $path, $facedata	3048	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3051	$facedata = Coro::Storable::thaw $facedata;
2497		3052
2498	$facedata->{version} == 2	3053	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3054	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3055
		3056	# patch in the exptable
		3057	$facedata->{resource}{"res/exp_table"} = {
		3058	type => FT_RSRC,
		3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3060	};
		3061	cf::cede_to_tick;
		3062
2501	{	3063	{
2502	my $faces = $facedata->{faceinfo};	3064	my $faces = $facedata->{faceinfo};
2503		3065
2504	while (my ($face, $info) = each %$faces) {	3066	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3068	cf::face::set_visibility $idx, $info->{visibility};
		3069	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3071	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509	Coro::cede;	3072
		3073	cf::cede_to_tick;
2510	}	3074	}
2511		3075
2512	while (my ($face, $info) = each %$faces) {	3076	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3077	next unless $info->{smooth};
2514	my $idx = cf::face::find $face	3078	my $idx = cf::face::find $face
2515	or next;	3079	or next;
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3080	if (my $smooth = cf::face::find $info->{smooth}) {
		3081	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3083	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3084	warn "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3085	}
2521	Coro::cede;	3086
		3087	cf::cede_to_tick;
2522	}	3088	}
2523	}	3089	}
2524		3090
2525	{	3091	{
2526	my $anims = $facedata->{animinfo};	3092	my $anims = $facedata->{animinfo};
2527		3093
2528	while (my ($anim, $info) = each %$anims) {	3094	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3095	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3096	cf::cede_to_tick;
2531	}	3097	}
2532		3098
2533	cf::anim::invalidate_all; # d'oh	3099	cf::anim::invalidate_all; # d'oh
2534	}	3100	}
2535		3101
		3102	{
		3103	# TODO: for gcfclient pleasure, we should give resources
		3104	# that gcfclient doesn't grok a >10000 face index.
		3105	my $res = $facedata->{resource};
		3106
		3107	my $soundconf = delete $res->{"res/sound.conf"};
		3108
		3109	while (my ($name, $info) = each %$res) {
		3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3111	my $data;
		3112
		3113	if ($info->{type} & 1) {
		3114	# prepend meta info
		3115
		3116	my $meta = $enc->encode ({
		3117	name => $name,
		3118	%{ $info->{meta} || {} },
		3119	});
		3120
		3121	$data = pack "(w/a*)*", $meta, $info->{data};
		3122	} else {
		3123	$data = $info->{data};
		3124	}
		3125
		3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3127	cf::face::set_type $idx, $info->{type};
		3128
		3129	cf::cede_to_tick;
		3130	}
		3131
		3132	if ($soundconf) {
		3133	$soundconf = $enc->decode (delete $soundconf->{data});
		3134
		3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3136	my $sound = $soundconf->{compat}[$_]
		3137	or next;
		3138
		3139	my $face = cf::face::find "sound/$sound->[1]";
		3140	cf::sound::set $sound->[0] => $face;
		3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3142	}
		3143
		3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3145	my $face = cf::face::find "sound/$v";
		3146	cf::sound::set $k => $face;
		3147	}
		3148	}
		3149	}
		3150
2536	1	3151	1
2537	}	3152	}
2538		3153
		3154	register_exticmd fx_want => sub {
		3155	my ($ns, $want) = @_;
		3156
		3157	while (my ($k, $v) = each %$want) {
		3158	$ns->fx_want ($k, $v);
		3159	}
		3160	};
		3161
2539	sub reload_regions {	3162	sub reload_regions {
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
2540	load_resource_file "$MAPDIR/regions"	3167	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3168	or die "unable to load regions file\n";
		3169
		3170	for (cf::region::list) {
		3171	$_->{match} = qr/$_->{match}/
		3172	if exists $_->{match};
		3173	}
2542	}	3174	}
2543		3175
2544	sub reload_facedata {	3176	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3177	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3178	or die "unable to load facedata\n";
2547	}	3179	}
2548		3180
2549	sub reload_archetypes {	3181	sub reload_archetypes {
2550	load_resource_file "$DATADIR/archetypes"	3182	load_resource_file "$DATADIR/archetypes"
2551	or die "unable to load archetypes\n";	3183	or die "unable to load archetypes\n";
		3184	#d# NEED to laod twice to resolve forward references
		3185	# this really needs to be done in an extra post-pass
		3186	# (which needs to be synchronous, so solve it differently)
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
2552	}	3189	}
2553		3190
2554	sub reload_treasures {	3191	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3192	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3193	or die "unable to load treasurelists\n";
…		…
2559	sub reload_resources {	3196	sub reload_resources {
2560	warn "reloading resource files...\n";	3197	warn "reloading resource files...\n";
2561		3198
2562	reload_regions;	3199	reload_regions;
2563	reload_facedata;	3200	reload_facedata;
		3201	#reload_archetypes;#d#
2564	reload_archetypes;	3202	reload_archetypes;
2565	reload_treasures;	3203	reload_treasures;
2566		3204
2567	warn "finished reloading resource files\n";	3205	warn "finished reloading resource files\n";
2568	}	3206	}
2569		3207
2570	sub init {	3208	sub init {
2571	reload_resources;	3209	reload_resources;
2572	}	3210	}
2573		3211
2574	sub cfg_load {	3212	sub reload_config {
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3213	open my $fh, "<:utf8", "$CONFDIR/config"
2576	or return;	3214	or return;
2577		3215
2578	local $/;	3216	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;	3217	*CFG = YAML::Syck::Load <$fh>;
…		…
2595	sub main {	3233	sub main {
2596	# we must not ever block the main coroutine	3234	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3235	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3237	(async {
		3238	$Coro::current->{desc} = "IDLE BUG HANDLER";
2600	Event::one_event;	3239	Event::one_event;
2601	})->prio (Coro::PRIO_MAX);	3240	})->prio (Coro::PRIO_MAX);
2602	};	3241	};
2603		3242
2604	cfg_load;	3243	reload_config;
2605	db_init;	3244	db_init;
2606	load_extensions;	3245	load_extensions;
2607		3246
2608	$TICK_WATCHER->start;	3247	$TICK_WATCHER->start;
2609	Event::loop;	3248	Event::loop;
…		…
2625	},	3264	},
2626	);	3265	);
2627	}	3266	}
2628	}	3267	}
2629		3268
		3269	sub write_runtime {
		3270	my $runtime = "$LOCALDIR/runtime";
		3271
		3272	# first touch the runtime file to show we are still running:
		3273	# the fsync below can take a very very long time.
		3274
		3275	IO::AIO::aio_utime $runtime, undef, undef;
		3276
		3277	my $guard = cf::lock_acquire "write_runtime";
		3278
		3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3280	or return;
		3281
		3282	my $value = $cf::RUNTIME + 90 + 10;
		3283	# 10 is the runtime save interval, for a monotonic clock
		3284	# 60 allows for the watchdog to kill the server.
		3285
		3286	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3287	and return;
		3288
		3289	# always fsync - this file is important
		3290	aio_fsync $fh
		3291	and return;
		3292
		3293	# touch it again to show we are up-to-date
		3294	aio_utime $fh, undef, undef;
		3295
		3296	close $fh
		3297	or return;
		3298
		3299	aio_rename "$runtime~", $runtime
		3300	and return;
		3301
		3302	warn "runtime file written.\n";
		3303
		3304	1
		3305	}
		3306
2630	sub emergency_save() {	3307	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3308	my $freeze_guard = cf::freeze_mainloop;
2632		3309
2633	warn "enter emergency perl save\n";	3310	warn "enter emergency perl save\n";
2634		3311
…		…
2638	# and maps saved/destroyed asynchronously.	3315	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3316	warn "begin emergency player save\n";
2640	for my $login (keys %cf::PLAYER) {	3317	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3318	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3319	$pl->valid or next;
		3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3321	$pl->save;
2644	}	3322	}
2645	warn "end emergency player save\n";	3323	warn "end emergency player save\n";
2646		3324
2647	warn "begin emergency map save\n";	3325	warn "begin emergency map save\n";
…		…
2695		3373
2696	warn "flushing outstanding aio requests";	3374	warn "flushing outstanding aio requests";
2697	for (;;) {	3375	for (;;) {
2698	BDB::flush;	3376	BDB::flush;
2699	IO::AIO::flush;	3377	IO::AIO::flush;
2700	Coro::cede;	3378	Coro::cede_notself;
2701	last unless IO::AIO::nreqs || BDB::nreqs;	3379	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";	3380	warn "iterate...";
2703	}	3381	}
2704		3382
2705	++$RELOAD;	3383	++$RELOAD;
…		…
2709	%EXT_CORO = ();	3387	%EXT_CORO = ();
2710		3388
2711	warn "removing commands";	3389	warn "removing commands";
2712	%COMMAND = ();	3390	%COMMAND = ();
2713		3391
2714	warn "removing ext commands";	3392	warn "removing ext/exti commands";
2715	%EXTCMD = ();	3393	%EXTCMD = ();
		3394	%EXTICMD = ();
2716		3395
2717	warn "unloading/nuking all extensions";	3396	warn "unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	3397	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	3398	warn "... unloading $pkg";
2720		3399
…		…
2763	warn "reloading cf.pm";	3442	warn "reloading cf.pm";
2764	require cf;	3443	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766		3445
2767	warn "loading config and database again";	3446	warn "loading config and database again";
2768	cf::cfg_load;	3447	cf::reload_config;
2769		3448
2770	warn "loading extensions";	3449	warn "loading extensions";
2771	cf::load_extensions;	3450	cf::load_extensions;
2772		3451
2773	warn "reattaching attachments to objects/players";	3452	warn "reattaching attachments to objects/players";
…		…
2809	register_command "reload" => sub {	3488	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	3489	my ($who, $arg) = @_;
2811		3490
2812	if ($who->flag (FLAG_WIZ)) {	3491	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	3492	$who->message ("reloading server.");
		3493	async {
		3494	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	3495	reload_perl;
		3496	};
2815	}	3497	}
2816	};	3498	};
2817		3499
2818	unshift @INC, $LIBDIR;	3500	unshift @INC, $LIBDIR;
2819		3501
…		…
2838	my $signal = new Coro::Signal;	3520	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	3521	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	3522	$signal->wait;
2841	}	3523	}
2842		3524
2843	my $min = 1e6;#d#
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (	3525	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,	3526	reentrant => 0,
2847	parked => 1,	3527	parked => 1,
2848	prio => 0,	3528	prio => 0,
2849	at => $NEXT_TICK || $TICK,	3529	at => $NEXT_TICK || $TICK,
…		…
2857		3537
2858	$NOW = $tick_start = Event::time;	3538	$NOW = $tick_start = Event::time;
2859		3539
2860	cf::server_tick; # one server iteration	3540	cf::server_tick; # one server iteration
2861		3541
2862	0 && sync_job {#d#
2863	for(1..10) {
2864	my $t = Event::time;
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866	or die;
2867
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};
2884
2885	$RUNTIME += $TICK;	3542	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;	3543	$NEXT_TICK += $TICK;
2887		3544
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;	3546	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {	3547	Coro::async_pool {
		3548	$Coro::current->{desc} = "runtime saver";
2891	write_runtime	3549	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";	3550	or warn "ERROR: unable to write runtime file: $!";
2893	};	3551	};
2894	}	3552	}
2895		3553
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	3555	$sig->send;
2901	}	3556	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	3557	while (my $sig = shift @WAIT_FOR_TICK) {
2903	$sig->send;	3558	$sig->send;
…		…
2913		3568
2914	$LOAD = ($NOW - $tick_start) / $TICK;	3569	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		3571
2917	_post_tick;	3572	_post_tick;
2918
2919
2920	},	3573	},
2921	);	3574	);
2922		3575
2923	{	3576	{
		3577	BDB::min_parallel 8;
2924	BDB::max_poll_time $TICK * 0.1;	3578	BDB::max_poll_time $TICK * 0.1;
2925	$BDB_POLL_WATCHER = Event->io (	3579	$BDB_POLL_WATCHER = Event->io (
2926	reentrant => 0,	3580	reentrant => 0,
2927	fd => BDB::poll_fileno,	3581	fd => BDB::poll_fileno,
2928	poll => 'r',	3582	poll => 'r',
2929	prio => 0,	3583	prio => 0,
2930	data => WF_AUTOCANCEL,	3584	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,	3585	cb => \&BDB::poll_cb,
2932	);	3586	);
2933	BDB::min_parallel 8;
2934		3587
2935	BDB::set_sync_prepare {	3588	BDB::set_sync_prepare {
2936	my $status;	3589	my $status;
2937	my $current = $Coro::current;	3590	my $current = $Coro::current;
2938	(	3591	(
…		…
2947	)	3600	)
2948	};	3601	};
2949		3602
2950	unless ($DB_ENV) {	3603	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	3604	$DB_ENV = BDB::db_env_create;
		3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3606	| BDB::LOG_AUTOREMOVE, 1);
		3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		3609
2953	cf::sync_job {	3610	cf::sync_job {
2954	eval {	3611	eval {
2955	BDB::db_env_open	3612	BDB::db_env_open
2956	$DB_ENV,	3613	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3615	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3616	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	3617	0666;
2961		3618
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3619	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	3620	};
2967		3621
2968	cf::cleanup "db_env_open(db): $@" if $@;	3622	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	3623	};
2970	}	3624	}
		3625
		3626	$BDB_DEADLOCK_WATCHER = Event->timer (
		3627	after => 3,
		3628	interval => 1,
		3629	hard => 1,
		3630	prio => 0,
		3631	data => WF_AUTOCANCEL,
		3632	cb => sub {
		3633	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3634	},
		3635	);
		3636	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3637	after => 11,
		3638	interval => 60,
		3639	hard => 1,
		3640	prio => 0,
		3641	data => WF_AUTOCANCEL,
		3642	cb => sub {
		3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3644	},
		3645	);
		3646	$BDB_TRICKLE_WATCHER = Event->timer (
		3647	after => 5,
		3648	interval => 10,
		3649	hard => 1,
		3650	prio => 0,
		3651	data => WF_AUTOCANCEL,
		3652	cb => sub {
		3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3654	},
		3655	);
2971	}	3656	}
2972		3657
2973	{	3658	{
2974	IO::AIO::min_parallel 8;	3659	IO::AIO::min_parallel 8;
2975		3660
…		…
2978	$AIO_POLL_WATCHER = Event->io (	3663	$AIO_POLL_WATCHER = Event->io (
2979	reentrant => 0,	3664	reentrant => 0,
2980	data => WF_AUTOCANCEL,	3665	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,	3666	fd => IO::AIO::poll_fileno,
2982	poll => 'r',	3667	poll => 'r',
2983	prio => 6,	3668	prio => 0,
2984	cb => \&IO::AIO::poll_cb,	3669	cb => \&IO::AIO::poll_cb,
2985	);	3670	);
2986	}	3671	}
2987		3672
2988	my $_log_backtrace;	3673	my $_log_backtrace;
…		…
2994		3679
2995	# limit the # of concurrent backtraces	3680	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	3681	if ($_log_backtrace < 2) {
2997	++$_log_backtrace;	3682	++$_log_backtrace;
2998	async {	3683	async {
		3684	$Coro::current->{desc} = "abt $msg";
		3685
2999	my @bt = fork_call {	3686	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	3687	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3688	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3689	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	3690	or die "addr2line: $!";

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