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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.392 by root, Fri Oct 26 04:44:54 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::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;
		1126
873	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
874	}	1129	}
875		1130
		1131	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
878	return ($data, $av);	1135	($data, $av)
879	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
880		1143
881	#############################################################################	1144	#############################################################################
882	# command handling &c	1145	# command handling &c
883		1146
884	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1161	}
899		1162
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1164
902	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
903		1170
904	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
905	called.	1172	called.
906		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
907	=cut	1185	=cut
908		1186
909	sub register_extcmd {	1187	sub register_extcmd {
910	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
911		1189
912	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
913	}	1197	}
914		1198
915	cf::player->attach (	1199	cf::player->attach (
916	on_command => sub {	1200	on_command => sub {
917	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
926	cf::override;	1210	cf::override;
927	},	1211	},
928	on_extcmd => sub {	1212	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
930		1214
931	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1216
933	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
939	} else {	1232	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1234	}
942		1235
943	cf::override;	1236	cf::override;
944	},	1237	},
945	);	1238	);
946		1239
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 {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
982	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1245	next unless -r $path;
984	eval {	1246
985	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
986	1	1304	}
987	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
988	}	1310	};
989	}	1311	}
990		1312
991	#############################################################################	1313	#############################################################################
992		1314
		1315	=back
		1316
993	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
994		1318
995	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
996		1320
997	=cut	1321	=cut
…		…
1001	use Coro::AIO;	1325	use Coro::AIO;
1002		1326
1003	=head3 cf::player	1327	=head3 cf::player
1004		1328
1005	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1006		1344
1007	=item cf::player::find $login	1345	=item cf::player::find $login
1008		1346
1009	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1010		1348
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1388
1051	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1054	}	1397	}
1055	}	1398	}
1056	}	1399	}
1057		1400
…		…
1067		1410
1068	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1070		1413
1071	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1072	Coro::cede;	1415	cf::cede_to_tick;
1073	}	1416	}
1074		1417
1075	sub new($) {	1418	sub new($) {
1076	my ($login) = @_;	1419	my ($login) = @_;
1077		1420
…		…
1081	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1082		1425
1083	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1084		1427
1085	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1086	}	1439	}
1087		1440
1088	=item $pl->quit_character	1441	=item $pl->quit_character
1089		1442
1090	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1145	or return [];	1498	or return [];
1146		1499
1147	my @logins;	1500	my @logins;
1148		1501
1149	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1153		1511
1154	utf8::decode $login;	1512	utf8::decode $login;
1155	push @logins, $login;	1513	push @logins, $login;
1156	}	1514	}
1157		1515
…		…
1184	}	1542	}
1185		1543
1186	\@paths	1544	\@paths
1187	}	1545	}
1188		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	use re 'eval';
		1554
		1555	my $group;
		1556	my $interior; $interior = qr{
		1557	(?:
		1558	\ (.*?)\ (?{ $group = $^N })
		1559	| < (??{$interior}) >
		1560	)
		1561	}x;
		1562
		1563	sub expand_cfpod {
		1564	my ($self, $pod) = @_;
		1565
		1566	my $xml;
		1567
		1568	while () {
		1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1570	$group = $1;
		1571
		1572	$group =~ s/&/&amp;/g;
		1573	$group =~ s/</&lt;/g;
		1574
		1575	$xml .= $group;
		1576	} elsif ($pod =~ m%\G
		1577	([BCGHITU])
		1578	<
		1579	(?:
		1580	([^<>]*) (?{ $group = $^N })
		1581	| < $interior >
		1582	)
		1583	>
		1584	%gcsx
		1585	) {
		1586	my ($code, $data) = ($1, $group);
		1587
		1588	if ($code eq "B") {
		1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1590	} elsif ($code eq "I") {
		1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1592	} elsif ($code eq "U") {
		1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1594	} elsif ($code eq "C") {
		1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1596	} elsif ($code eq "T") {
		1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1598	} elsif ($code eq "G") {
		1599	my ($male, $female) = split /\|/, $data;
		1600	$data = $self->gender ? $female : $male;
		1601	$xml .= expand_cfpod ($self, $data);
		1602	} elsif ($code eq "H") {
		1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1605	"")
		1606	[$self->{hintmode}];
		1607	} else {
		1608	$xml .= "error processing '$code($data)' directive";
		1609	}
		1610	} else {
		1611	if ($pod =~ /\G(.+)/) {
		1612	warn "parse error while expanding $pod (at $1)";
		1613	}
		1614	last;
		1615	}
		1616	}
		1617
		1618	for ($xml) {
		1619	# create single paragraphs (very hackish)
		1620	s/(?<=\S)\n(?=\w)/ /g;
		1621
		1622	# compress some whitespace
		1623	s/\s+\n/\n/g; # ws line-ends
		1624	s/\n\n+/\n/g; # double lines
		1625	s/^\n+//; # beginning lines
		1626	s/\n+$//; # ending lines
		1627	}
		1628
		1629	$xml
		1630	}
		1631
		1632	sub hintmode {
		1633	$_[0]{hintmode} = $_[1] if @_ > 1;
		1634	$_[0]{hintmode}
		1635	}
		1636
1189	=item $player->ext_reply ($msgid, %msg)	1637	=item $player->ext_reply ($msgid, @msg)
1190		1638
1191	Sends an ext reply to the player.	1639	Sends an ext reply to the player.
1192		1640
1193	=cut	1641	=cut
1194		1642
1195	sub ext_reply($$%) {	1643	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1644	my ($self, $id, @msg) = @_;
1197		1645
1198	$msg{msgid} = $id;	1646	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1647	}
1202		1648
1203	=item $player->ext_event ($type, %msg)	1649	=item $player->ext_msg ($type, @msg)
1204		1650
1205	Sends an ext event to the client.	1651	Sends an ext event to the client.
1206		1652
1207	=cut	1653	=cut
1208		1654
1209	sub ext_event($$%) {	1655	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1656	my ($self, $type, @msg) = @_;
1211		1657
1212	$self->ns->ext_event ($type, %msg);	1658	$self->ns->ext_msg ($type, @msg);
1213	}	1659	}
1214		1660
1215	=head3 cf::region	1661	=head3 cf::region
1216		1662
1217	=over 4	1663	=over 4
…		…
1220		1666
1221	package cf::region;	1667	package cf::region;
1222		1668
1223	=item cf::region::find_by_path $path	1669	=item cf::region::find_by_path $path
1224		1670
1225	Tries to decuce the probable region for a map knowing only its path.	1671	Tries to decuce the likely region for a map knowing only its path.
1226		1672
1227	=cut	1673	=cut
1228		1674
1229	sub find_by_path($) {	1675	sub find_by_path($) {
1230	my ($path) = @_;	1676	my ($path) = @_;
1231		1677
1232	my ($match, $specificity);	1678	my ($match, $specificity);
1233		1679
1234	for my $region (list) {	1680	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1681	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1682	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1683	if $region->specificity > $specificity;
1238	}	1684	}
1239	}	1685	}
1240		1686
…		…
1304	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1305		1751
1306	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1307	local $self->{path};	1753	local $self->{path};
1308	local $self->{load_path};	1754	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		1755
1312	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1313	}	1757	}
1314		1758
1315	sub normalise {	1759	sub normalise {
…		…
1362	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1363	return $self;	1807	return $self;
1364	}	1808	}
1365	}	1809	}
1366		1810
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1368	()	1812	()
1369	}	1813	}
1370		1814
1371	sub init {	1815	sub init {
1372	my ($self) = @_;	1816	my ($self) = @_;
…		…
1415		1859
1416	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1417	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1418	}	1862	}
1419		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1420	sub unlink_save {	1872	sub unlink_save {
1421	my ($self) = @_;	1873	my ($self) = @_;
1422		1874
1423	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1427		1879
1428	sub load_header_from($) {	1880	sub load_header_from($) {
1429	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1430		1882
1431	utf8::encode $path;	1883	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1437		1892
1438	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1439		1894
1440	1	1895	1
1441	}	1896	}
…		…
1480	$self->load_header_orig	1935	$self->load_header_orig
1481	or return;	1936	or return;
1482	$self->prepare_orig;	1937	$self->prepare_orig;
1483	}	1938	}
1484		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
1485	$self->default_region (cf::region::find_by_path $self->{path})	1943	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	1944	unless $self->default_region;
1487		1945
1488	1	1946	1
1489	}	1947	}
…		…
1492	sub find {	1950	sub find {
1493	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1494		1952
1495	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1496		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1498		1957
1499	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";	1959	my $guard1 = cf::lock_acquire "map_find:$path";
		1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1961
1501	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1502	or return;	1963	or return;
1503		1964
1504	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1505		1966
1506	$map->load_header	1967	$map->load_header
1507	or return;	1968	or return;
1508		1969
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard1;
		1974	undef $guard2;
1512	$map->reset;	1975	$map->reset;
1513	undef $guard;
1514	return find $path;	1976	return find $path;
1515	}	1977	}
1516		1978
1517	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1518	}	1980	}
…		…
1527	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1528		1990
1529	my $path = $self->{path};	1991	my $path = $self->{path};
1530		1992
1531	{	1993	{
1532	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1533		1995
		1996	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1535		1998
1536	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1537		2000
1538	$self->alloc;	2001	$self->alloc;
1539		2002
1540	$self->pre_load;	2003	$self->pre_load;
1541	Coro::cede;	2004	cf::cede_to_tick;
1542		2005
		2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
1543	$self->_load_objects ($self->{load_path}, 1)	2008	$self->_load_objects ($f)
1544	or return;	2009	or return;
1545		2010
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547	if delete $self->{load_original};	2012	if delete $self->{load_original};
1548		2013
1549	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2015	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2018	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1554	}	2022	}
1555	}	2023	}
1556		2024
1557	Coro::cede;	2025	$f->resolve_delayed_derefs;
		2026
		2027	cf::cede_to_tick;
1558	# now do the right thing for maps	2028	# now do the right thing for maps
1559	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2031	unless $self->difficulty;
1562	Coro::cede;	2032	cf::cede_to_tick;
1563		2033
1564	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2035	$self->decay_objects;
1566	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1567	$self->update_buttons;	2037	$self->update_buttons;
1568	Coro::cede;	2038	cf::cede_to_tick;
1569	$self->set_darkness_map;	2039	$self->set_darkness_map;
1570	Coro::cede;	2040	cf::cede_to_tick;
1571	$self->activate;	2041	$self->activate;
1572	}	2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
1573		2046
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_IN_MEMORY);
1575	}	2048	}
1576		2049
1577	$self->post_load;	2050	$self->post_load;
…		…
1581	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1582		2055
1583	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2057	if $self->per_player;
1585		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1586	$self	2062	$self
1587	}	2063	}
1588		2064
1589	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {	2066	sub load_neighbours {
1591	my ($map) = @_;	2067	my ($map) = @_;
1592		2068
1593	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1594		2070
1595	for (0 .. 3) {	2071	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1597	or next;	2073	or next;
1598	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1599	or next;	2075	or next;
1600	$neigh->load;	2076	$neigh->load;
1601		2077
		2078	push @neigh,
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}	2081	}
1605		2082
1606	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1607	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1608	or next;	2086	or next;
1609	$neigh->load;	2087	$neigh->load;
1610	}	2088	}
1611	}	2089	}
1612		2090
…		…
1617	}	2095	}
1618		2096
1619	sub do_load_sync {	2097	sub do_load_sync {
1620	my ($map) = @_;	2098	my ($map) = @_;
1621		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1622	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1623	}	2104	}
1624		2105
1625	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1627		2108
1628	sub find_async {	2109	sub find_async {
1629	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1630		2111
1631	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1632		2113
1633	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635	}	2116	}
1636		2117
1637	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1638	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1639	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2125	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2126	$map->load if $v;
		2127	}
1644		2128
1645	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1646	}	2130	}
1647	}	2131	}
1648	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1649	};	2133	};
1650	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1653	}	2137	}
1654		2138
1655	sub save {	2139	sub save {
1656	my ($self) = @_;	2140	my ($self) = @_;
1657		2141
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2143
1660	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1661		2145
1662	return unless $self->dirty;	2146	return unless $self->dirty;
1663		2147
…		…
1669	return if $self->{deny_save};	2153	return if $self->{deny_save};
1670		2154
1671	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1672		2156
1673	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1675	};	2160	};
1676		2161
1677	if ($uniq) {	2162	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1686	my ($self) = @_;	2171	my ($self) = @_;
1687		2172
1688	# save first because save cedes	2173	# save first because save cedes
1689	$self->save;	2174	$self->save;
1690		2175
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2177
1693	return if $self->players;	2178	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};	2180	return if $self->{deny_save};
1696		2181
		2182	$self->in_memory (cf::MAP_SWAPPED);
		2183
		2184	$self->deactivate;
		2185	$_->clear_links_to ($self) for values %cf::MAP;
1697	$self->clear;	2186	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2187	}
1700		2188
1701	sub reset_at {	2189	sub reset_at {
1702	my ($self) = @_;	2190	my ($self) = @_;
1703		2191
1704	# TODO: safety, remove and allow resettable per-player maps	2192	# 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};	2193	return 1e99 if $self->{deny_reset};
1707		2194
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2195	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2196	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2197
…		…
1721	my ($self) = @_;	2208	my ($self) = @_;
1722		2209
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2211
1725	return if $self->players;	2212	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2213
1728	warn "resetting map ", $self->path;#d#	2214	warn "resetting map ", $self->path;
1729		2215
1730	$self->in_memory (cf::MAP_SWAPPED);	2216	$self->in_memory (cf::MAP_SWAPPED);
1731		2217
1732	# need to save uniques path	2218	# need to save uniques path
1733	unless ($self->{deny_save}) {	2219	unless ($self->{deny_save}) {
…		…
1737	if $uniq;	2223	if $uniq;
1738	}	2224	}
1739		2225
1740	delete $cf::MAP{$self->path};	2226	delete $cf::MAP{$self->path};
1741		2227
		2228	$self->deactivate;
		2229	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2230	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2231
1746	$self->unlink_save;	2232	$self->unlink_save;
1747	$self->destroy;	2233	$self->destroy;
1748	}	2234	}
1749		2235
1750	my $nuke_counter = "aaaa";	2236	my $nuke_counter = "aaaa";
1751		2237
1752	sub nuke {	2238	sub nuke {
1753	my ($self) = @_;	2239	my ($self) = @_;
1754		2240
		2241	{
		2242	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2243
1755	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1756		2245
1757	$self->unlink_save;	2246	$self->unlink_save;
1758		2247
1759	bless $self, "cf::map";	2248	bless $self, "cf::map";
1760	delete $self->{deny_reset};	2249	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2250	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2251	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2252	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2253
1765	$cf::MAP{$self->path} = $self;	2254	$cf::MAP{$self->path} = $self;
		2255	}
1766		2256
1767	$self->reset; # polite request, might not happen	2257	$self->reset; # polite request, might not happen
		2258	}
		2259
		2260	=item $maps = cf::map::tmp_maps
		2261
		2262	Returns an arrayref with all map paths of currently instantiated and saved
		2263	maps. May block.
		2264
		2265	=cut
		2266
		2267	sub tmp_maps() {
		2268	[
		2269	map {
		2270	utf8::decode $_;
		2271	/\.map$/
		2272	? normalise $_
		2273	: ()
		2274	} @{ aio_readdir $TMPDIR or [] }
		2275	]
		2276	}
		2277
		2278	=item $maps = cf::map::random_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	random maps. May block.
		2282
		2283	=cut
		2284
		2285	sub random_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise "?random/$_"
		2291	: ()
		2292	} @{ aio_readdir $RANDOMDIR or [] }
		2293	]
1768	}	2294	}
1769		2295
1770	=item cf::map::unique_maps	2296	=item cf::map::unique_maps
1771		2297
1772	Returns an arrayref of paths of all shared maps that have	2298	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2299	instantiated unique items. May block.
1774		2300
1775	=cut	2301	=cut
1776		2302
1777	sub unique_maps() {	2303	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2304	[
1779	or return;	2305	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2306	utf8::decode $_;
1785	next if /\.pst$/;	2307	/\.map$/
1786	next unless /^$PATH_SEP/o;	2308	? normalise $_
1787		2309	: ()
1788	push @paths, cf::map::normalise $_;	2310	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2311	]
1790
1791	\@paths
1792	}	2312	}
1793		2313
1794	package cf;	2314	package cf;
1795		2315
1796	=back	2316	=back
…		…
1814	map { $_, inv_recursive_ $_->inv } @_	2334	map { $_, inv_recursive_ $_->inv } @_
1815	}	2335	}
1816		2336
1817	sub inv_recursive {	2337	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
		2339	}
		2340
		2341	=item $ref = $ob->ref
		2342
		2343	creates and returns a persistent reference to an objetc that can be stored as a string.
		2344
		2345	=item $ob = cf::object::deref ($refstring)
		2346
		2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2348	even if the object actually exists. May block.
		2349
		2350	=cut
		2351
		2352	sub deref {
		2353	my ($ref) = @_;
		2354
		2355	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2356	my ($uuid, $name) = ($1, $2);
		2357	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2358	or return;
		2359	$pl->ob->uuid eq $uuid
		2360	or return;
		2361
		2362	$pl->ob
		2363	} else {
		2364	warn "$ref: cannot resolve object reference\n";
		2365	undef
		2366	}
1819	}	2367	}
1820		2368
1821	package cf;	2369	package cf;
1822		2370
1823	=back	2371	=back
…		…
1842		2390
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2391	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2392
1845	if ($self->{record_replies}) {	2393	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2394	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2395
1847	} else {	2396	} else {
		2397	my $pl = $self->contr;
		2398
		2399	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2400	my $dialog = $pl->{npc_dialog};
		2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2402
		2403	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2404	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2405	$self->message ($msg, $flags);
		2406	}
1850	}	2407	}
		2408	}
		2409
		2410	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2411
		2412	=cut
		2413
		2414	sub cf::object::send_msg {
		2415	my $pl = shift->contr
		2416	or return;
		2417	$pl->send_msg (@_);
1851	}	2418	}
1852		2419
1853	=item $player_object->may ("access")	2420	=item $player_object->may ("access")
1854		2421
1855	Returns wether the given player is authorized to access resource "access"	2422	Returns wether the given player is authorized to access resource "access"
…		…
1934	# use -1 or undef as default coordinates, not 0, 0	2501	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2502	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2503	if $x <=0 && $y <= 0;
1937		2504
1938	$map->load;	2505	$map->load;
1939	$map->load_diag;	2506	$map->load_neighbours;
1940		2507
1941	return unless $self->contr->active;	2508	return unless $self->contr->active;
1942	$self->activate_recursive;	2509	$self->activate_recursive;
1943		2510
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2512	$self->enter_map ($map, $x, $y);
1946	}	2513	}
1947		2514
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2515	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949		2516
1950	Moves the player to the given map-path and coordinates by first freezing	2517	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	2518	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	2519	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2520	the new (success) or old (failed) map position. In either case, $done will
		2521	be called at the end of this process.
1954		2522
1955	=cut	2523	=cut
1956		2524
1957	our $GOTOGEN;	2525	our $GOTOGEN;
1958		2526
1959	sub cf::object::player::goto {	2527	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2528	my ($self, $path, $x, $y, $check, $done) = @_;
1961		2529
1962	# do generation counting so two concurrent goto's will be executed in-order	2530	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2531	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2532
1965	$self->enter_link;	2533	$self->enter_link;
1966		2534
1967	(async {	2535	(async {
		2536	$Coro::current->{desc} = "player::goto $path $x $y";
		2537
		2538	# *tag paths override both path and x|y
		2539	if ($path =~ /^\*(.*)$/) {
		2540	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2541	my $ob = $obs[rand @obs];
		2542
		2543	# see if we actually can go there
		2544	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2545	$ob = $obs[rand @obs];
		2546	} else {
		2547	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2548	}
		2549	# else put us there anyways for now #d#
		2550
		2551	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2552	} else {
		2553	($path, $x, $y) = (undef, undef, undef);
		2554	}
		2555	}
		2556
1968	my $map = eval {	2557	my $map = eval {
1969	my $map = cf::map::find $path;	2558	my $map = defined $path ? cf::map::find $path : undef;
1970		2559
1971	if ($map) {	2560	if ($map) {
1972	$map = $map->customise_for ($self);	2561	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2562	$map = $check->($map) if $check && $map;
1974	} else {	2563	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2564	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2565	}
1977		2566
1978	$map	2567	$map
1979	};	2568	};
1980		2569
…		…
1985		2574
1986	if ($gen == $self->{_goto_generation}) {	2575	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2576	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2577	$self->leave_link ($map, $x, $y);
1989	}	2578	}
		2579
		2580	$done->() if $done;
1990	})->prio (1);	2581	})->prio (1);
1991	}	2582	}
1992		2583
1993	=item $player_object->enter_exit ($exit_object)	2584	=item $player_object->enter_exit ($exit_object)
1994		2585
…		…
2063	my $hp = $exit->stats->hp;	2654	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;	2655	my $sp = $exit->stats->sp;
2065		2656
2066	$self->enter_link;	2657	$self->enter_link;
2067		2658
		2659	# if exit is damned, update players death & WoR home-position
		2660	$self->contr->savebed ($slaying, $hp, $sp)
		2661	if $exit->flag (FLAG_DAMNED);
		2662
2068	(async {	2663	(async {
		2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2665
2069	$self->deactivate_recursive; # just to be sure	2666	$self->deactivate_recursive; # just to be sure
2070	unless (eval {	2667	unless (eval {
2071	$self->goto ($slaying, $hp, $sp);	2668	$self->goto ($slaying, $hp, $sp);
2072		2669
2073	1;	2670	1;
…		…
2099		2696
2100	utf8::encode $text;	2697	utf8::encode $text;
2101	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2698	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102	}	2699	}
2103		2700
		2701	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2702
		2703	Send a drawinfo or msg packet to the client, formatting the msg for the
		2704	client if neccessary. C<$type> should be a string identifying the type of
		2705	the message, with C<log> being the default. If C<$color> is negative, suppress
		2706	the message unless the client supports the msg packet.
		2707
		2708	=cut
		2709
		2710	# non-persistent channels (usually the info channel)
		2711	our %CHANNEL = (
		2712	"c/identify" => {
		2713	id => "infobox",
		2714	title => "Identify",
		2715	reply => undef,
		2716	tooltip => "Items recently identified",
		2717	},
		2718	"c/examine" => {
		2719	id => "infobox",
		2720	title => "Examine",
		2721	reply => undef,
		2722	tooltip => "Signs and other items you examined",
		2723	},
		2724	"c/book" => {
		2725	id => "infobox",
		2726	title => "Book",
		2727	reply => undef,
		2728	tooltip => "The contents of a note or book",
		2729	},
		2730	"c/lookat" => {
		2731	id => "infobox",
		2732	title => "Look",
		2733	reply => undef,
		2734	tooltip => "What you saw there",
		2735	},
		2736	"c/who" => {
		2737	id => "infobox",
		2738	title => "Players",
		2739	reply => undef,
		2740	tooltip => "Shows players who are currently online",
		2741	},
		2742	"c/body" => {
		2743	id => "infobox",
		2744	title => "Body Parts",
		2745	reply => undef,
		2746	tooltip => "Shows which body parts you posess and are available",
		2747	},
		2748	"c/uptime" => {
		2749	id => "infobox",
		2750	title => "Uptime",
		2751	reply => undef,
		2752	tooltip => "How long the server has been running since last restart",
		2753	},
		2754	"c/mapinfo" => {
		2755	id => "infobox",
		2756	title => "Map Info",
		2757	reply => undef,
		2758	tooltip => "Information related to the maps",
		2759	},
		2760	);
		2761
		2762	sub cf::client::send_msg {
		2763	my ($self, $channel, $msg, $color, @extra) = @_;
		2764
		2765	$msg = $self->pl->expand_cfpod ($msg);
		2766
		2767	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2768
		2769	# check predefined channels, for the benefit of C
		2770	if ($CHANNEL{$channel}) {
		2771	$channel = $CHANNEL{$channel};
		2772
		2773	$self->ext_msg (channel_info => $channel)
		2774	if $self->can_msg;
		2775
		2776	$channel = $channel->{id};
		2777
		2778	} elsif (ref $channel) {
		2779	# send meta info to client, if not yet sent
		2780	unless (exists $self->{channel}{$channel->{id}}) {
		2781	$self->{channel}{$channel->{id}} = $channel;
		2782	$self->ext_msg (channel_info => $channel)
		2783	if $self->can_msg;
		2784	}
		2785
		2786	$channel = $channel->{id};
		2787	}
		2788
		2789	return unless @extra || length $msg;
		2790
		2791	if ($self->can_msg) {
		2792	# default colour, mask it out
		2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2794	if $color & cf::NDI_DEF;
		2795
		2796	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2798	} else {
		2799	if ($color >= 0) {
		2800	# replace some tags by gcfclient-compatible ones
		2801	for ($msg) {
		2802	1 while
		2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2808	}
		2809
		2810	$color &= cf::NDI_COLOR_MASK;
		2811
		2812	utf8::encode $msg;
		2813
		2814	if (0 && $msg =~ /\[/) {
		2815	# COMMAND/INFO
		2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2817	} else {
		2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2819	$self->send_packet ("drawinfo $color $msg")
		2820	}
		2821	}
		2822	}
		2823	}
		2824
2104	=item $client->ext_event ($type, %msg)	2825	=item $client->ext_msg ($type, @msg)
2105		2826
2106	Sends an exti event to the client.	2827	Sends an ext event to the client.
2107		2828
2108	=cut	2829	=cut
2109		2830
2110	sub cf::client::ext_event($$%) {	2831	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	2832	my ($self, $type, @msg) = @_;
2112		2833
		2834	if ($self->extcmd == 2) {
		2835	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2836	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	2837	push @msg, msgtype => "event_$type";
2114	$self->send_packet ("ext " . cf::to_json \%msg);	2838	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2839	}
		2840	}
		2841
		2842	=item $client->ext_reply ($msgid, @msg)
		2843
		2844	Sends an ext reply to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_reply($$@) {
		2849	my ($self, $id, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2853	} elsif ($self->extcmd == 1) {
		2854	#TODO: version 1, remove
		2855	unshift @msg, msgtype => "reply", msgid => $id;
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
2115	}	2858	}
2116		2859
2117	=item $success = $client->query ($flags, "text", \&cb)	2860	=item $success = $client->query ($flags, "text", \&cb)
2118		2861
2119	Queues a query to the client, calling the given callback with	2862	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>,	2863	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>.	2864	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122		2865
2123	Queries can fail, so check the return code. Or don't, as queries will become	2866	Queries can fail, so check the return code. Or don't, as queries will
2124	reliable at some point in the future.	2867	become reliable at some point in the future.
2125		2868
2126	=cut	2869	=cut
2127		2870
2128	sub cf::client::query {	2871	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	2872	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	2880	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2881	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		2882
2140	$self->send_packet ($self->{query_queue}[0][0])	2883	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	2884	if @{ $self->{query_queue} } == 1;
		2885
		2886	1
2142	}	2887	}
2143		2888
2144	cf::client->attach (	2889	cf::client->attach (
		2890	on_connect => sub {
		2891	my ($ns) = @_;
		2892
		2893	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2894	},
2145	on_reply => sub {	2895	on_reply => sub {
2146	my ($ns, $msg) = @_;	2896	my ($ns, $msg) = @_;
2147		2897
2148	# this weird shuffling is so that direct followup queries	2898	# this weird shuffling is so that direct followup queries
2149	# get handled first	2899	# get handled first
…		…
2161	} else {	2911	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2912	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	2913	}
2164	}	2914	}
2165	},	2915	},
		2916	on_exticmd => sub {
		2917	my ($ns, $buf) = @_;
		2918
		2919	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2920
		2921	if (ref $msg) {
		2922	my ($type, $reply, @payload) =
		2923	"ARRAY" eq ref $msg
		2924	? @$msg
		2925	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2926
		2927	my @reply;
		2928
		2929	if (my $cb = $EXTICMD{$type}) {
		2930	@reply = $cb->($ns, @payload);
		2931	}
		2932
		2933	$ns->ext_reply ($reply, @reply)
		2934	if $reply;
		2935
		2936	} else {
		2937	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2938	}
		2939
		2940	cf::override;
		2941	},
2166	);	2942	);
2167		2943
2168	=item $client->async (\&cb)	2944	=item $client->async (\&cb)
2169		2945
2170	Create a new coroutine, running the specified callback. The coroutine will	2946	Create a new coroutine, running the specified callback. The coroutine will
…		…
2211	our $safe = new Safe "safe";	2987	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	2988	our $safe_hole = new Safe::Hole;
2213		2989
2214	$SIG{FPE} = 'IGNORE';	2990	$SIG{FPE} = 'IGNORE';
2215		2991
2216	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2992	$safe->permit_only (Opcode::opset qw(
		2993	:base_core :base_mem :base_orig :base_math
		2994	grepstart grepwhile mapstart mapwhile
		2995	sort time
		2996	));
2217		2997
2218	# here we export the classes and methods available to script code	2998	# here we export the classes and methods available to script code
2219		2999
2220	=pod	3000	=pod
2221		3001
2222	The following functions and methods are available within a safe environment:	3002	The following functions and methods are available within a safe environment:
2223		3003
2224	cf::object contr pay_amount pay_player map	3004	cf::object
		3005	contr pay_amount pay_player map x y force_find force_add destroy
		3006	insert remove name archname title slaying race decrease_ob_nr
		3007
2225	cf::object::player player	3008	cf::object::player
2226	cf::player peaceful	3009	player
2227	cf::map trigger	3010
		3011	cf::player
		3012	peaceful
		3013
		3014	cf::map
		3015	trigger
2228		3016
2229	=cut	3017	=cut
2230		3018
2231	for (	3019	for (
2232	["cf::object" => qw(contr pay_amount pay_player map)],	3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3021	insert remove inv name archname title slaying race
		3022	decrease_ob_nr destroy)],
2233	["cf::object::player" => qw(player)],	3023	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3024	["cf::player" => qw(peaceful)],
2235	["cf::map" => qw(trigger)],	3025	["cf::map" => qw(trigger)],
2236	) {	3026	) {
2237	no strict 'refs';	3027	no strict 'refs';
…		…
2308	=back	3098	=back
2309		3099
2310	=cut	3100	=cut
2311		3101
2312	#############################################################################	3102	#############################################################################
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 $@;
2480	_exit 0;
2481	}
2482	}
2483
2484	#############################################################################
2485	# the server's init and main functions	3103	# the server's init and main functions
2486		3104
2487	sub load_facedata($) {	3105	sub load_facedata($) {
2488	my ($path) = @_;	3106	my ($path) = @_;
		3107
		3108	# HACK to clear player env face cache, we need some signal framework
		3109	# for this (global event?)
		3110	%ext::player_env::MUSIC_FACE_CACHE = ();
		3111
		3112	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489		3113
2490	warn "loading facedata from $path\n";	3114	warn "loading facedata from $path\n";
2491		3115
2492	my $facedata;	3116	my $facedata;
2493	0 < aio_load $path, $facedata	3117	0 < aio_load $path, $facedata
…		…
2496	$facedata = Coro::Storable::thaw $facedata;	3120	$facedata = Coro::Storable::thaw $facedata;
2497		3121
2498	$facedata->{version} == 2	3122	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3123	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3124
		3125	# patch in the exptable
		3126	$facedata->{resource}{"res/exp_table"} = {
		3127	type => FT_RSRC,
		3128	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3129	};
		3130	cf::cede_to_tick;
		3131
2501	{	3132	{
2502	my $faces = $facedata->{faceinfo};	3133	my $faces = $facedata->{faceinfo};
2503		3134
2504	while (my ($face, $info) = each %$faces) {	3135	while (my ($face, $info) = each %$faces) {
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506	warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d#
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3137	cf::face::set_visibility $idx, $info->{visibility};
		3138	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3141
		3142	cf::cede_to_tick;
2511	}	3143	}
2512		3144
2513	while (my ($face, $info) = each %$faces) {	3145	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3146	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	3147	my $idx = cf::face::find $face
2516	or next;	3148	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3149	if (my $smooth = cf::face::find $info->{smooth}) {
		3150	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3152	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3153	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3154	}
2522	Coro::cede;	3155
		3156	cf::cede_to_tick;
2523	}	3157	}
2524	}	3158	}
2525		3159
2526	{	3160	{
2527	my $anims = $facedata->{animinfo};	3161	my $anims = $facedata->{animinfo};
2528		3162
2529	while (my ($anim, $info) = each %$anims) {	3163	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3164	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3165	cf::cede_to_tick;
2532	}	3166	}
2533		3167
2534	cf::anim::invalidate_all; # d'oh	3168	cf::anim::invalidate_all; # d'oh
2535	}	3169	}
2536		3170
		3171	{
		3172	# TODO: for gcfclient pleasure, we should give resources
		3173	# that gcfclient doesn't grok a >10000 face index.
		3174	my $res = $facedata->{resource};
		3175
		3176	my $soundconf = delete $res->{"res/sound.conf"};
		3177
		3178	while (my ($name, $info) = each %$res) {
		3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3180	my $data;
		3181
		3182	if ($info->{type} & 1) {
		3183	# prepend meta info
		3184
		3185	my $meta = $enc->encode ({
		3186	name => $name,
		3187	%{ $info->{meta} || {} },
		3188	});
		3189
		3190	$data = pack "(w/a*)*", $meta, $info->{data};
		3191	} else {
		3192	$data = $info->{data};
		3193	}
		3194
		3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3196	cf::face::set_type $idx, $info->{type};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	if ($soundconf) {
		3202	$soundconf = $enc->decode (delete $soundconf->{data});
		3203
		3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3205	my $sound = $soundconf->{compat}[$_]
		3206	or next;
		3207
		3208	my $face = cf::face::find "sound/$sound->[1]";
		3209	cf::sound::set $sound->[0] => $face;
		3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3211	}
		3212
		3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3214	my $face = cf::face::find "sound/$v";
		3215	cf::sound::set $k => $face;
		3216	}
		3217	}
		3218	}
		3219
2537	1	3220	1
2538	}	3221	}
2539		3222
		3223	register_exticmd fx_want => sub {
		3224	my ($ns, $want) = @_;
		3225
		3226	while (my ($k, $v) = each %$want) {
		3227	$ns->fx_want ($k, $v);
		3228	}
		3229	};
		3230
2540	sub reload_regions {	3231	sub reload_regions {
		3232	# HACK to clear player env face cache, we need some signal framework
		3233	# for this (global event?)
		3234	%ext::player_env::MUSIC_FACE_CACHE = ();
		3235
2541	load_resource_file "$MAPDIR/regions"	3236	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3237	or die "unable to load regions file\n";
		3238
		3239	for (cf::region::list) {
		3240	$_->{match} = qr/$_->{match}/
		3241	if exists $_->{match};
		3242	}
2543	}	3243	}
2544		3244
2545	sub reload_facedata {	3245	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3246	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3247	or die "unable to load facedata\n";
2548	}	3248	}
2549		3249
2550	sub reload_archetypes {	3250	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3251	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3252	or die "unable to load archetypes\n";
		3253	#d# NEED to laod twice to resolve forward references
		3254	# this really needs to be done in an extra post-pass
		3255	# (which needs to be synchronous, so solve it differently)
		3256	load_resource_file "$DATADIR/archetypes"
		3257	or die "unable to load archetypes\n";
2553	}	3258	}
2554		3259
2555	sub reload_treasures {	3260	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3261	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3262	or die "unable to load treasurelists\n";
…		…
2560	sub reload_resources {	3265	sub reload_resources {
2561	warn "reloading resource files...\n";	3266	warn "reloading resource files...\n";
2562		3267
2563	reload_regions;	3268	reload_regions;
2564	reload_facedata;	3269	reload_facedata;
		3270	#reload_archetypes;#d#
2565	reload_archetypes;	3271	reload_archetypes;
2566	reload_treasures;	3272	reload_treasures;
2567		3273
2568	warn "finished reloading resource files\n";	3274	warn "finished reloading resource files\n";
2569	}	3275	}
2570		3276
2571	sub init {	3277	sub init {
2572	reload_resources;	3278	reload_resources;
2573	}	3279	}
2574		3280
2575	sub cfg_load {	3281	sub reload_config {
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3282	open my $fh, "<:utf8", "$CONFDIR/config"
2577	or return;	3283	or return;
2578		3284
2579	local $/;	3285	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;	3286	*CFG = YAML::Syck::Load <$fh>;
…		…
2596	sub main {	3302	sub main {
2597	# we must not ever block the main coroutine	3303	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3304	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3306	(async {
		3307	$Coro::current->{desc} = "IDLE BUG HANDLER";
2601	Event::one_event;	3308	Event::one_event;
2602	})->prio (Coro::PRIO_MAX);	3309	})->prio (Coro::PRIO_MAX);
2603	};	3310	};
2604		3311
2605	cfg_load;	3312	reload_config;
2606	db_init;	3313	db_init;
2607	load_extensions;	3314	load_extensions;
2608		3315
2609	$TICK_WATCHER->start;	3316	$TICK_WATCHER->start;
2610	Event::loop;	3317	Event::loop;
…		…
2626	},	3333	},
2627	);	3334	);
2628	}	3335	}
2629	}	3336	}
2630		3337
		3338	sub write_runtime {
		3339	my $runtime = "$LOCALDIR/runtime";
		3340
		3341	# first touch the runtime file to show we are still running:
		3342	# the fsync below can take a very very long time.
		3343
		3344	IO::AIO::aio_utime $runtime, undef, undef;
		3345
		3346	my $guard = cf::lock_acquire "write_runtime";
		3347
		3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3349	or return;
		3350
		3351	my $value = $cf::RUNTIME + 90 + 10;
		3352	# 10 is the runtime save interval, for a monotonic clock
		3353	# 60 allows for the watchdog to kill the server.
		3354
		3355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3356	and return;
		3357
		3358	# always fsync - this file is important
		3359	aio_fsync $fh
		3360	and return;
		3361
		3362	# touch it again to show we are up-to-date
		3363	aio_utime $fh, undef, undef;
		3364
		3365	close $fh
		3366	or return;
		3367
		3368	aio_rename "$runtime~", $runtime
		3369	and return;
		3370
		3371	warn "runtime file written.\n";
		3372
		3373	1
		3374	}
		3375
2631	sub emergency_save() {	3376	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3377	my $freeze_guard = cf::freeze_mainloop;
2633		3378
2634	warn "enter emergency perl save\n";	3379	warn "enter emergency perl save\n";
2635		3380
…		…
2639	# and maps saved/destroyed asynchronously.	3384	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3385	warn "begin emergency player save\n";
2641	for my $login (keys %cf::PLAYER) {	3386	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3387	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3388	$pl->valid or next;
		3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3390	$pl->save;
2645	}	3391	}
2646	warn "end emergency player save\n";	3392	warn "end emergency player save\n";
2647		3393
2648	warn "begin emergency map save\n";	3394	warn "begin emergency map save\n";
…		…
2696		3442
2697	warn "flushing outstanding aio requests";	3443	warn "flushing outstanding aio requests";
2698	for (;;) {	3444	for (;;) {
2699	BDB::flush;	3445	BDB::flush;
2700	IO::AIO::flush;	3446	IO::AIO::flush;
2701	Coro::cede;	3447	Coro::cede_notself;
2702	last unless IO::AIO::nreqs || BDB::nreqs;	3448	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";	3449	warn "iterate...";
2704	}	3450	}
2705		3451
2706	++$RELOAD;	3452	++$RELOAD;
…		…
2710	%EXT_CORO = ();	3456	%EXT_CORO = ();
2711		3457
2712	warn "removing commands";	3458	warn "removing commands";
2713	%COMMAND = ();	3459	%COMMAND = ();
2714		3460
2715	warn "removing ext commands";	3461	warn "removing ext/exti commands";
2716	%EXTCMD = ();	3462	%EXTCMD = ();
		3463	%EXTICMD = ();
2717		3464
2718	warn "unloading/nuking all extensions";	3465	warn "unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	3466	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	3467	warn "... unloading $pkg";
2721		3468
…		…
2764	warn "reloading cf.pm";	3511	warn "reloading cf.pm";
2765	require cf;	3512	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767		3514
2768	warn "loading config and database again";	3515	warn "loading config and database again";
2769	cf::cfg_load;	3516	cf::reload_config;
2770		3517
2771	warn "loading extensions";	3518	warn "loading extensions";
2772	cf::load_extensions;	3519	cf::load_extensions;
2773		3520
2774	warn "reattaching attachments to objects/players";	3521	warn "reattaching attachments to objects/players";
…		…
2810	register_command "reload" => sub {	3557	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	3558	my ($who, $arg) = @_;
2812		3559
2813	if ($who->flag (FLAG_WIZ)) {	3560	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	3561	$who->message ("reloading server.");
		3562	async {
		3563	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	3564	reload_perl;
		3565	};
2816	}	3566	}
2817	};	3567	};
2818		3568
2819	unshift @INC, $LIBDIR;	3569	unshift @INC, $LIBDIR;
2820		3570
…		…
2839	my $signal = new Coro::Signal;	3589	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	3590	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	3591	$signal->wait;
2842	}	3592	}
2843		3593
2844	my $min = 1e6;#d#
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (	3594	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,	3595	reentrant => 0,
2848	parked => 1,	3596	parked => 1,
2849	prio => 0,	3597	prio => 0,
2850	at => $NEXT_TICK || $TICK,	3598	at => $NEXT_TICK || $TICK,
…		…
2858		3606
2859	$NOW = $tick_start = Event::time;	3607	$NOW = $tick_start = Event::time;
2860		3608
2861	cf::server_tick; # one server iteration	3609	cf::server_tick; # one server iteration
2862		3610
2863	0 && sync_job {#d#
2864	for(1..10) {
2865	my $t = Event::time;
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867	or die;
2868
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};
2885
2886	$RUNTIME += $TICK;	3611	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;	3612	$NEXT_TICK += $TICK;
2888		3613
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;	3615	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {	3616	Coro::async_pool {
		3617	$Coro::current->{desc} = "runtime saver";
2892	write_runtime	3618	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";	3619	or warn "ERROR: unable to write runtime file: $!";
2894	};	3620	};
2895	}	3621	}
2896		3622
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	3624	$sig->send;
2902	}	3625	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	3626	while (my $sig = shift @WAIT_FOR_TICK) {
2904	$sig->send;	3627	$sig->send;
…		…
2914		3637
2915	$LOAD = ($NOW - $tick_start) / $TICK;	3638	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		3640
2918	_post_tick;	3641	_post_tick;
2919
2920
2921	},	3642	},
2922	);	3643	);
2923		3644
2924	{	3645	{
		3646	BDB::min_parallel 8;
2925	BDB::max_poll_time $TICK * 0.1;	3647	BDB::max_poll_time $TICK * 0.1;
2926	$BDB_POLL_WATCHER = Event->io (	3648	$BDB_POLL_WATCHER = Event->io (
2927	reentrant => 0,	3649	reentrant => 0,
2928	fd => BDB::poll_fileno,	3650	fd => BDB::poll_fileno,
2929	poll => 'r',	3651	poll => 'r',
2930	prio => 0,	3652	prio => 0,
2931	data => WF_AUTOCANCEL,	3653	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,	3654	cb => \&BDB::poll_cb,
2933	);	3655	);
2934	BDB::min_parallel 8;
2935		3656
2936	BDB::set_sync_prepare {	3657	BDB::set_sync_prepare {
2937	my $status;	3658	my $status;
2938	my $current = $Coro::current;	3659	my $current = $Coro::current;
2939	(	3660	(
…		…
2948	)	3669	)
2949	};	3670	};
2950		3671
2951	unless ($DB_ENV) {	3672	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	3673	$DB_ENV = BDB::db_env_create;
		3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3675	| BDB::LOG_AUTOREMOVE, 1);
		3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		3678
2954	cf::sync_job {	3679	cf::sync_job {
2955	eval {	3680	eval {
2956	BDB::db_env_open	3681	BDB::db_env_open
2957	$DB_ENV,	3682	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3684	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3685	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	3686	0666;
2962		3687
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3688	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	3689	};
2968		3690
2969	cf::cleanup "db_env_open(db): $@" if $@;	3691	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	3692	};
2971	}	3693	}
		3694
		3695	$BDB_DEADLOCK_WATCHER = Event->timer (
		3696	after => 3,
		3697	interval => 1,
		3698	hard => 1,
		3699	prio => 0,
		3700	data => WF_AUTOCANCEL,
		3701	cb => sub {
		3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3703	},
		3704	);
		3705	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3706	after => 11,
		3707	interval => 60,
		3708	hard => 1,
		3709	prio => 0,
		3710	data => WF_AUTOCANCEL,
		3711	cb => sub {
		3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3713	},
		3714	);
		3715	$BDB_TRICKLE_WATCHER = Event->timer (
		3716	after => 5,
		3717	interval => 10,
		3718	hard => 1,
		3719	prio => 0,
		3720	data => WF_AUTOCANCEL,
		3721	cb => sub {
		3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3723	},
		3724	);
2972	}	3725	}
2973		3726
2974	{	3727	{
2975	IO::AIO::min_parallel 8;	3728	IO::AIO::min_parallel 8;
2976		3729
…		…
2979	$AIO_POLL_WATCHER = Event->io (	3732	$AIO_POLL_WATCHER = Event->io (
2980	reentrant => 0,	3733	reentrant => 0,
2981	data => WF_AUTOCANCEL,	3734	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,	3735	fd => IO::AIO::poll_fileno,
2983	poll => 'r',	3736	poll => 'r',
2984	prio => 6,	3737	prio => 0,
2985	cb => \&IO::AIO::poll_cb,	3738	cb => \&IO::AIO::poll_cb,
2986	);	3739	);
2987	}	3740	}
2988		3741
2989	my $_log_backtrace;	3742	my $_log_backtrace;
…		…
2995		3748
2996	# limit the # of concurrent backtraces	3749	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	3750	if ($_log_backtrace < 2) {
2998	++$_log_backtrace;	3751	++$_log_backtrace;
2999	async {	3752	async {
		3753	$Coro::current->{desc} = "abt $msg";
		3754
3000	my @bt = fork_call {	3755	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	3756	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3757	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3758	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	3759	or die "addr2line: $!";

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