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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 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';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$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;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	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]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	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
256	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,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	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
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($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#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		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
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	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
315	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.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	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)
324	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
325	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.
326		415
327	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
328	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
329	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
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
356	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
357	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
358	}	454	}
359		455
360	$time = Event::time - $time;	456	$time = Event::time - $time;
361		457
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
390	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
391		487
392	$coro	488	$coro
393	}	489	}
394		490
395	sub write_runtime {	491	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		492
398	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
399	# 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.
400		497
401	IO::AIO::aio_utime $runtime, undef, undef;	498	=cut
402		499
403	my $guard = cf::lock_acquire "write_runtime";	500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
404		502
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	503	# we seemingly have to make a local copy of the whole thing,
406	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
407		506
408	my $value = $cf::RUNTIME + 90 + 10;	507	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	508	reset_signals;
410	# 60 allows for the watchdog to kill the server.	509	&$cb
		510	}, @args;
411		511
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	512	wantarray ? @res : $res[-1]
413	and return;	513	}
414		514
415	# always fsync - this file is important	515	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		516
419	# touch it again to show we are up-to-date	517	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		518
422	close $fh	519	=item cf::db_put $family => $key => $value
423	or return;
424		520
425	aio_rename "$runtime~", $runtime	521	Stores the given C<$value> in the family. It can currently store binary
426	and return;	522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		523
428	warn "runtime file written.\n";	524	=item $db = cf::db_table "name"
429		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
430	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"
431	}	640	}
432		641
433	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
434		643
435	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.
…		…
453	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")
454	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
455		664
456	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>
457	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
458	crossfire+).	667	Crossfire TRT).
459		668
460	=over 4	669	=over 4
461		670
462	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
463		672
…		…
665	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
666	}	875	}
667		876
668	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
669	} else {	878	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	880	}
672		881
673	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
674	}	883	}
675		884
…		…
715	";	924	";
716	die if $@;	925	die if $@;
717	}	926	}
718		927
719	our $override;	928	our $override;
720	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?
721		930
722	sub override {	931	sub override {
723	$override = 1;	932	$override = 1;
724	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
725	}	934	}
726		935
727	sub do_invoke {	936	sub do_invoke {
728	my $event = shift;	937	my $event = shift;
729	my $callbacks = shift;	938	my $callbacks = shift;
730		939
731	@invoke_results = ();	940	@INVOKE_RESULTS = ();
732		941
733	local $override;	942	local $override;
734		943
735	for (@$callbacks) {	944	for (@$callbacks) {
736	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
753		962
754	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
755		964
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		968
760	=back	969	=back
761		970
762	=cut	971	=cut
763		972
764	#############################################################################	973	#############################################################################
765	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
766		1017
767	sub reattach {	1018	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1020	my ($obj) = @_;
770		1021
…		…
817	sub object_freezer_save {	1068	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
819		1070
820	sync_job {	1071	sync_job {
821	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
824		1076
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1081	close $fh;
830		1082
831	if (@$objs) {	1083	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1089	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
839	}	1091	}
…		…
847	}	1099	}
848	} else {	1100	} else {
849	aio_unlink $filename;	1101	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
851	}	1103	}
852	}	1104	};
853	}	1105	}
854		1106
855	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
857		1109
…		…
869	or return;	1121	or return;
870		1122
871	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
873	or return;	1125	or return;
		1126
874	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
875	}	1129	}
876		1130
		1131	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1133	$decname, length $data, scalar @{$av || []};
		1134
879	return ($data, $av);	1135	($data, $av)
880	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
881		1143
882	#############################################################################	1144	#############################################################################
883	# command handling &c	1145	# command handling &c
884		1146
885	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1161	}
900		1162
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1164
903	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.
904		1170
905	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
906	called.	1172	called.
907		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
908	=cut	1185	=cut
909		1186
910	sub register_extcmd {	1187	sub register_extcmd {
911	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
912		1189
913	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
914	}	1197	}
915		1198
916	cf::player->attach (	1199	cf::player->attach (
917	on_command => sub {	1200	on_command => sub {
918	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1210	cf::override;
928	},	1211	},
929	on_extcmd => sub {	1212	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
931		1214
932	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1216
934	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
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
940	} else {	1232	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1234	}
943		1235
944	cf::override;	1236	cf::override;
945	},	1237	},
946	);	1238	);
947		1239
948	sub load_extension {
949	my ($path) = @_;
950
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
952	my $base = $1;
953	my $pkg = $1;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}
976	die $@;
977	}
978
979	push @EXTS, $pkg;
980	}
981
982	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
983	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1245	next unless -r $path;
985	eval {	1246
986	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;
987	1	1304	}
988	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
989	}	1310	};
990	}	1311	}
991		1312
992	#############################################################################	1313	#############################################################################
993		1314
		1315	=back
		1316
994	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
995		1318
996	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
997		1320
998	=cut	1321	=cut
…		…
1002	use Coro::AIO;	1325	use Coro::AIO;
1003		1326
1004	=head3 cf::player	1327	=head3 cf::player
1005		1328
1006	=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	}
1007		1344
1008	=item cf::player::find $login	1345	=item cf::player::find $login
1009		1346
1010	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1011		1348
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1388
1052	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1053	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;
1054	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1055	}	1397	}
1056	}	1398	}
1057	}	1399	}
1058		1400
…		…
1068		1410
1069	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1071		1413
1072	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1073	Coro::cede;	1415	cf::cede_to_tick;
1074	}	1416	}
1075		1417
1076	sub new($) {	1418	sub new($) {
1077	my ($login) = @_;	1419	my ($login) = @_;
1078		1420
…		…
1082	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1083		1425
1084	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1085		1427
1086	$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 (@_);
1087	}	1439	}
1088		1440
1089	=item $pl->quit_character	1441	=item $pl->quit_character
1090		1442
1091	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
…		…
1146	or return [];	1498	or return [];
1147		1499
1148	my @logins;	1500	my @logins;
1149		1501
1150	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") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1154		1511
1155	utf8::decode $login;	1512	utf8::decode $login;
1156	push @logins, $login;	1513	push @logins, $login;
1157	}	1514	}
1158		1515
…		…
1185	}	1542	}
1186		1543
1187	\@paths	1544	\@paths
1188	}	1545	}
1189		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1190	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1191		1599
1192	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1193		1601
1194	=cut	1602	=cut
1195		1603
1196	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1198		1606
1199	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1608	}
1203		1609
1204	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1205		1611
1206	Sends an ext event to the client.	1612	Sends an ext event to the client.
1207		1613
1208	=cut	1614	=cut
1209		1615
1210	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1212		1618
1213	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1214	}	1620	}
1215		1621
1216	=head3 cf::region	1622	=head3 cf::region
1217		1623
1218	=over 4	1624	=over 4
…		…
1221		1627
1222	package cf::region;	1628	package cf::region;
1223		1629
1224	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1225		1631
1226	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1227		1633
1228	=cut	1634	=cut
1229		1635
1230	sub find_by_path($) {	1636	sub find_by_path($) {
1231	my ($path) = @_;	1637	my ($path) = @_;
1232		1638
1233	my ($match, $specificity);	1639	my ($match, $specificity);
1234		1640
1235	for my $region (list) {	1641	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1239	}	1645	}
1240	}	1646	}
1241		1647
…		…
1305	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1306		1712
1307	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1308	local $self->{path};	1714	local $self->{path};
1309	local $self->{load_path};	1715	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1716
1313	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1314	}	1718	}
1315		1719
1316	sub normalise {	1720	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1364	return $self;	1768	return $self;
1365	}	1769	}
1366	}	1770	}
1367		1771
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1773	()
1370	}	1774	}
1371		1775
1372	sub init {	1776	sub init {
1373	my ($self) = @_;	1777	my ($self) = @_;
…		…
1416		1820
1417	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1419	}	1823	}
1420		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1421	sub unlink_save {	1833	sub unlink_save {
1422	my ($self) = @_;	1834	my ($self) = @_;
1423		1835
1424	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1840
1429	sub load_header_from($) {	1841	sub load_header_from($) {
1430	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1431		1843
1432	utf8::encode $path;	1844	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1438		1853
1439	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1440		1855
1441	1	1856	1
1442	}	1857	}
…		…
1481	$self->load_header_orig	1896	$self->load_header_orig
1482	or return;	1897	or return;
1483	$self->prepare_orig;	1898	$self->prepare_orig;
1484	}	1899	}
1485		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1486	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1905	unless $self->default_region;
1488		1906
1489	1	1907	1
1490	}	1908	}
…		…
1493	sub find {	1911	sub find {
1494	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1495		1913
1496	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1497		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1499		1918
1500	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1502	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1503	or return;	1924	or return;
1504		1925
1505	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1506		1927
1507	$map->load_header	1928	$map->load_header
1508	or return;	1929	or return;
1509		1930
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1513	$map->reset;	1936	$map->reset;
1514	undef $guard;
1515	return find $path;	1937	return find $path;
1516	}	1938	}
1517		1939
1518	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1519	}	1941	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1529		1951
1530	my $path = $self->{path};	1952	my $path = $self->{path};
1531		1953
1532	{	1954	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1534		1956
		1957	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1959
1537	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1538		1961
1539	$self->alloc;	1962	$self->alloc;
1540		1963
1541	$self->pre_load;	1964	$self->pre_load;
1542	Coro::cede;	1965	cf::cede_to_tick;
1543		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1545	or return;	1970	or return;
1546		1971
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	1973	if delete $self->{load_original};
1549		1974
1550	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	1976	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	1979	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1555	}	1983	}
1556	}	1984	}
1557		1985
1558	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1559	# now do the right thing for maps	1989	# now do the right thing for maps
1560	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1992	unless $self->difficulty;
1563	Coro::cede;	1993	cf::cede_to_tick;
1564		1994
1565	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1996	$self->decay_objects;
1567	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1568	$self->update_buttons;	1998	$self->update_buttons;
1569	Coro::cede;	1999	cf::cede_to_tick;
1570	$self->set_darkness_map;	2000	$self->set_darkness_map;
1571	Coro::cede;	2001	cf::cede_to_tick;
1572	$self->activate;	2002	$self->activate;
1573	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1574		2007
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	2009	}
1577		2010
1578	$self->post_load;	2011	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1583		2016
1584	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2018	if $self->per_player;
1586		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1587	$self	2023	$self
1588	}	2024	}
1589		2025
1590	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	2027	sub load_neighbours {
1592	my ($map) = @_;	2028	my ($map) = @_;
1593		2029
1594	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1595		2031
1596	for (0 .. 3) {	2032	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1598	or next;	2034	or next;
1599	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1600	or next;	2036	or next;
1601	$neigh->load;	2037	$neigh->load;
1602		2038
		2039	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2042	}
1606		2043
1607	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1609	or next;	2047	or next;
1610	$neigh->load;	2048	$neigh->load;
1611	}	2049	}
1612	}	2050	}
1613		2051
…		…
1618	}	2056	}
1619		2057
1620	sub do_load_sync {	2058	sub do_load_sync {
1621	my ($map) = @_;	2059	my ($map) = @_;
1622		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1623	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1624	}	2065	}
1625		2066
1626	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1628		2069
1629	sub find_async {	2070	sub find_async {
1630	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1631		2072
1632	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1633		2074
1634	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2077	}
1637		2078
1638	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1639	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1640	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2086	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2087	$map->load if $v;
		2088	}
1645		2089
1646	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1647	}	2091	}
1648	}	2092	}
1649	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1650	};	2094	};
1651	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2098	}
1655		2099
1656	sub save {	2100	sub save {
1657	my ($self) = @_;	2101	my ($self) = @_;
1658		2102
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2104
1661	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1662		2106
1663	return unless $self->dirty;	2107	return unless $self->dirty;
1664		2108
…		…
1670	return if $self->{deny_save};	2114	return if $self->{deny_save};
1671		2115
1672	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1673		2117
1674	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1676	};	2121	};
1677		2122
1678	if ($uniq) {	2123	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2132	my ($self) = @_;
1688		2133
1689	# save first because save cedes	2134	# save first because save cedes
1690	$self->save;	2135	$self->save;
1691		2136
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2138
1694	return if $self->players;	2139	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2141	return if $self->{deny_save};
1697		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2147	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2148	}
1701		2149
1702	sub reset_at {	2150	sub reset_at {
1703	my ($self) = @_;	2151	my ($self) = @_;
1704		2152
1705	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1708		2155
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2158
…		…
1722	my ($self) = @_;	2169	my ($self) = @_;
1723		2170
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2172
1726	return if $self->players;	2173	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2174
1729	warn "resetting map ", $self->path;	2175	warn "resetting map ", $self->path;
1730		2176
1731	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1732		2178
…		…
1738	if $uniq;	2184	if $uniq;
1739	}	2185	}
1740		2186
1741	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1742		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2191	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2192
1747	$self->unlink_save;	2193	$self->unlink_save;
1748	$self->destroy;	2194	$self->destroy;
1749	}	2195	}
1750		2196
1751	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1752		2198
1753	sub nuke {	2199	sub nuke {
1754	my ($self) = @_;	2200	my ($self) = @_;
1755		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1756	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1757		2206
1758	$self->unlink_save;	2207	$self->unlink_save;
1759		2208
1760	bless $self, "cf::map";	2209	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2214
1766	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1767		2217
1768	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1769	}	2255	}
1770		2256
1771	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1772		2258
1773	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2260	instantiated unique items. May block.
1775		2261
1776	=cut	2262	=cut
1777		2263
1778	sub unique_maps() {	2264	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2265	[
1780	or return;	2266	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2267	utf8::decode $_;
1786	next if /\.pst$/;	2268	/\.map$/
1787	next unless /^$PATH_SEP/o;	2269	? normalise $_
1788		2270	: ()
1789	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2272	]
1791
1792	\@paths
1793	}	2273	}
1794		2274
1795	package cf;	2275	package cf;
1796		2276
1797	=back	2277	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1816	}	2296	}
1817		2297
1818	sub inv_recursive {	2298	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1820	}	2328	}
1821		2329
1822	package cf;	2330	package cf;
1823		2331
1824	=back	2332	=back
…		…
1843		2351
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2353
1846	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1848	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1851	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1852	}	2379	}
1853		2380
1854	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1855		2382
1856	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1938		2465
1939	$map->load;	2466	$map->load;
1940	$map->load_diag;	2467	$map->load_neighbours;
1941		2468
1942	return unless $self->contr->active;	2469	return unless $self->contr->active;
1943	$self->activate_recursive;	2470	$self->activate_recursive;
1944		2471
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1947	}	2474	}
1948		2475
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2477
1951	Moves the player to the given map-path and coordinates by first freezing	2478	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2479	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2480	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2481	the new (success) or old (failed) map position. In either case, $done will
		2482	be called at the end of this process.
1955		2483
1956	=cut	2484	=cut
1957		2485
1958	our $GOTOGEN;	2486	our $GOTOGEN;
1959		2487
1960	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2490
1963	# do generation counting so two concurrent goto's will be executed in-order	2491	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2493
1966	$self->enter_link;	2494	$self->enter_link;
1967		2495
1968	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1969	my $map = eval {	2518	my $map = eval {
1970	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
1971		2520
1972	if ($map) {	2521	if ($map) {
1973	$map = $map->customise_for ($self);	2522	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2523	$map = $check->($map) if $check && $map;
1975	} else {	2524	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2526	}
1978		2527
1979	$map	2528	$map
1980	};	2529	};
1981		2530
…		…
1986		2535
1987	if ($gen == $self->{_goto_generation}) {	2536	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2537	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
1990	}	2539	}
		2540
		2541	$done->() if $done;
1991	})->prio (1);	2542	})->prio (1);
1992	}	2543	}
1993		2544
1994	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1995		2546
…		…
2064	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2066		2617
2067	$self->enter_link;	2618	$self->enter_link;
2068		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2069	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2070	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2628	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2073		2630
2074	1;	2631	1;
…		…
2100		2657
2101	utf8::encode $text;	2658	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	2660	}
2104		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	"c/who" => {
		2697	id => "infobox",
		2698	title => "Players",
		2699	reply => undef,
		2700	tooltip => "Shows players who are currently online",
		2701	},
		2702	"c/body" => {
		2703	id => "infobox",
		2704	title => "Body Parts",
		2705	reply => undef,
		2706	tooltip => "Shows which body parts you posess and are available",
		2707	},
		2708	"c/uptime" => {
		2709	id => "infobox",
		2710	title => "Uptime",
		2711	reply => undef,
		2712	tooltip => "How long the server has been running sicne last restart",
		2713	},
		2714	"c/mapinfo" => {
		2715	id => "infobox",
		2716	title => "Map Info",
		2717	reply => undef,
		2718	tooltip => "Information related to the maps",
		2719	},
		2720	);
		2721
		2722	sub cf::client::send_msg {
		2723	my ($self, $channel, $msg, $color, @extra) = @_;
		2724
		2725	$msg = $self->pl->expand_cfpod ($msg);
		2726
		2727	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2728
		2729	# check predefined channels, for the benefit of C
		2730	if ($CHANNEL{$channel}) {
		2731	$channel = $CHANNEL{$channel};
		2732
		2733	$self->ext_msg (channel_info => $channel)
		2734	if $self->can_msg;
		2735
		2736	$channel = $channel->{id};
		2737
		2738	} elsif (ref $channel) {
		2739	# send meta info to client, if not yet sent
		2740	unless (exists $self->{channel}{$channel->{id}}) {
		2741	$self->{channel}{$channel->{id}} = $channel;
		2742	$self->ext_msg (channel_info => $channel)
		2743	if $self->can_msg;
		2744	}
		2745
		2746	$channel = $channel->{id};
		2747	}
		2748
		2749	return unless @extra || length $msg;
		2750
		2751	if ($self->can_msg) {
		2752	# default colour, mask it out
		2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2754	if $color & cf::NDI_DEF;
		2755
		2756	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2758	} else {
		2759	if ($color >= 0) {
		2760	# replace some tags by gcfclient-compatible ones
		2761	for ($msg) {
		2762	1 while
		2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2768	}
		2769
		2770	$color &= cf::NDI_COLOR_MASK;
		2771
		2772	utf8::encode $msg;
		2773
		2774	if (0 && $msg =~ /\[/) {
		2775	# COMMAND/INFO
		2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2777	} else {
		2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2779	$self->send_packet ("drawinfo $color $msg")
		2780	}
		2781	}
		2782	}
		2783	}
		2784
2105	=item $client->ext_event ($type, %msg)	2785	=item $client->ext_msg ($type, @msg)
2106		2786
2107	Sends an exti event to the client.	2787	Sends an ext event to the client.
2108		2788
2109	=cut	2789	=cut
2110		2790
2111	sub cf::client::ext_event($$%) {	2791	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2792	my ($self, $type, @msg) = @_;
2113		2793
		2794	if ($self->extcmd == 2) {
		2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2796	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2797	push @msg, msgtype => "event_$type";
2115	$self->send_packet ("ext " . cf::to_json \%msg);	2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2799	}
		2800	}
		2801
		2802	=item $client->ext_reply ($msgid, @msg)
		2803
		2804	Sends an ext reply to the client.
		2805
		2806	=cut
		2807
		2808	sub cf::client::ext_reply($$@) {
		2809	my ($self, $id, @msg) = @_;
		2810
		2811	if ($self->extcmd == 2) {
		2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2813	} elsif ($self->extcmd == 1) {
		2814	#TODO: version 1, remove
		2815	unshift @msg, msgtype => "reply", msgid => $id;
		2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2817	}
2116	}	2818	}
2117		2819
2118	=item $success = $client->query ($flags, "text", \&cb)	2820	=item $success = $client->query ($flags, "text", \&cb)
2119		2821
2120	Queues a query to the client, calling the given callback with	2822	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2823	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2824	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2825
2124	Queries can fail, so check the return code. Or don't, as queries will become	2826	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	2827	become reliable at some point in the future.
2126		2828
2127	=cut	2829	=cut
2128		2830
2129	sub cf::client::query {	2831	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2832	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2840	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2841	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2842
2141	$self->send_packet ($self->{query_queue}[0][0])	2843	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2844	if @{ $self->{query_queue} } == 1;
		2845
		2846	1
2143	}	2847	}
2144		2848
2145	cf::client->attach (	2849	cf::client->attach (
		2850	on_connect => sub {
		2851	my ($ns) = @_;
		2852
		2853	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2854	},
2146	on_reply => sub {	2855	on_reply => sub {
2147	my ($ns, $msg) = @_;	2856	my ($ns, $msg) = @_;
2148		2857
2149	# this weird shuffling is so that direct followup queries	2858	# this weird shuffling is so that direct followup queries
2150	# get handled first	2859	# get handled first
…		…
2162	} else {	2871	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2872	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2873	}
2165	}	2874	}
2166	},	2875	},
		2876	on_exticmd => sub {
		2877	my ($ns, $buf) = @_;
		2878
		2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2880
		2881	if (ref $msg) {
		2882	my ($type, $reply, @payload) =
		2883	"ARRAY" eq ref $msg
		2884	? @$msg
		2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2886
		2887	my @reply;
		2888
		2889	if (my $cb = $EXTICMD{$type}) {
		2890	@reply = $cb->($ns, @payload);
		2891	}
		2892
		2893	$ns->ext_reply ($reply, @reply)
		2894	if $reply;
		2895
		2896	} else {
		2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2898	}
		2899
		2900	cf::override;
		2901	},
2167	);	2902	);
2168		2903
2169	=item $client->async (\&cb)	2904	=item $client->async (\&cb)
2170		2905
2171	Create a new coroutine, running the specified callback. The coroutine will	2906	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2947	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2948	our $safe_hole = new Safe::Hole;
2214		2949
2215	$SIG{FPE} = 'IGNORE';	2950	$SIG{FPE} = 'IGNORE';
2216		2951
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2952	$safe->permit_only (Opcode::opset qw(
		2953	:base_core :base_mem :base_orig :base_math
		2954	grepstart grepwhile mapstart mapwhile
		2955	sort time
		2956	));
2218		2957
2219	# here we export the classes and methods available to script code	2958	# here we export the classes and methods available to script code
2220		2959
2221	=pod	2960	=pod
2222		2961
2223	The following functions and methods are available within a safe environment:	2962	The following functions and methods are available within a safe environment:
2224		2963
2225	cf::object contr pay_amount pay_player map	2964	cf::object
		2965	contr pay_amount pay_player map x y force_find force_add destroy
		2966	insert remove name archname title slaying race decrease_ob_nr
		2967
2226	cf::object::player player	2968	cf::object::player
2227	cf::player peaceful	2969	player
2228	cf::map trigger	2970
		2971	cf::player
		2972	peaceful
		2973
		2974	cf::map
		2975	trigger
2229		2976
2230	=cut	2977	=cut
2231		2978
2232	for (	2979	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2981	insert remove inv name archname title slaying race
		2982	decrease_ob_nr destroy)],
2234	["cf::object::player" => qw(player)],	2983	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2984	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2985	["cf::map" => qw(trigger)],
2237	) {	2986	) {
2238	no strict 'refs';	2987	no strict 'refs';
…		…
2309	=back	3058	=back
2310		3059
2311	=cut	3060	=cut
2312		3061
2313	#############################################################################	3062	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	3063	# the server's init and main functions
2487		3064
2488	sub load_facedata($) {	3065	sub load_facedata($) {
2489	my ($path) = @_;	3066	my ($path) = @_;
		3067
		3068	# HACK to clear player env face cache, we need some signal framework
		3069	# for this (global event?)
		3070	%ext::player_env::MUSIC_FACE_CACHE = ();
		3071
		3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490		3073
2491	warn "loading facedata from $path\n";	3074	warn "loading facedata from $path\n";
2492		3075
2493	my $facedata;	3076	my $facedata;
2494	0 < aio_load $path, $facedata	3077	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3080	$facedata = Coro::Storable::thaw $facedata;
2498		3081
2499	$facedata->{version} == 2	3082	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3083	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3084
		3085	# patch in the exptable
		3086	$facedata->{resource}{"res/exp_table"} = {
		3087	type => FT_RSRC,
		3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3089	};
		3090	cf::cede_to_tick;
		3091
2502	{	3092	{
2503	my $faces = $facedata->{faceinfo};	3093	my $faces = $facedata->{faceinfo};
2504		3094
2505	while (my ($face, $info) = each %$faces) {	3095	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3097	cf::face::set_visibility $idx, $info->{visibility};
		3098	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3101
		3102	cf::cede_to_tick;
2511	}	3103	}
2512		3104
2513	while (my ($face, $info) = each %$faces) {	3105	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3106	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	3107	my $idx = cf::face::find $face
2516	or next;	3108	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3109	if (my $smooth = cf::face::find $info->{smooth}) {
		3110	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3112	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3113	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3114	}
2522	Coro::cede;	3115
		3116	cf::cede_to_tick;
2523	}	3117	}
2524	}	3118	}
2525		3119
2526	{	3120	{
2527	my $anims = $facedata->{animinfo};	3121	my $anims = $facedata->{animinfo};
2528		3122
2529	while (my ($anim, $info) = each %$anims) {	3123	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3124	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3125	cf::cede_to_tick;
2532	}	3126	}
2533		3127
2534	cf::anim::invalidate_all; # d'oh	3128	cf::anim::invalidate_all; # d'oh
2535	}	3129	}
2536		3130
		3131	{
		3132	# TODO: for gcfclient pleasure, we should give resources
		3133	# that gcfclient doesn't grok a >10000 face index.
		3134	my $res = $facedata->{resource};
		3135
		3136	my $soundconf = delete $res->{"res/sound.conf"};
		3137
		3138	while (my ($name, $info) = each %$res) {
		3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3140	my $data;
		3141
		3142	if ($info->{type} & 1) {
		3143	# prepend meta info
		3144
		3145	my $meta = $enc->encode ({
		3146	name => $name,
		3147	%{ $info->{meta} || {} },
		3148	});
		3149
		3150	$data = pack "(w/a*)*", $meta, $info->{data};
		3151	} else {
		3152	$data = $info->{data};
		3153	}
		3154
		3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3156	cf::face::set_type $idx, $info->{type};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	if ($soundconf) {
		3162	$soundconf = $enc->decode (delete $soundconf->{data});
		3163
		3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3165	my $sound = $soundconf->{compat}[$_]
		3166	or next;
		3167
		3168	my $face = cf::face::find "sound/$sound->[1]";
		3169	cf::sound::set $sound->[0] => $face;
		3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3171	}
		3172
		3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3174	my $face = cf::face::find "sound/$v";
		3175	cf::sound::set $k => $face;
		3176	}
		3177	}
		3178	}
		3179
2537	1	3180	1
2538	}	3181	}
2539		3182
		3183	register_exticmd fx_want => sub {
		3184	my ($ns, $want) = @_;
		3185
		3186	while (my ($k, $v) = each %$want) {
		3187	$ns->fx_want ($k, $v);
		3188	}
		3189	};
		3190
2540	sub reload_regions {	3191	sub reload_regions {
		3192	# HACK to clear player env face cache, we need some signal framework
		3193	# for this (global event?)
		3194	%ext::player_env::MUSIC_FACE_CACHE = ();
		3195
2541	load_resource_file "$MAPDIR/regions"	3196	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3197	or die "unable to load regions file\n";
		3198
		3199	for (cf::region::list) {
		3200	$_->{match} = qr/$_->{match}/
		3201	if exists $_->{match};
		3202	}
2543	}	3203	}
2544		3204
2545	sub reload_facedata {	3205	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3206	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3207	or die "unable to load facedata\n";
2548	}	3208	}
2549		3209
2550	sub reload_archetypes {	3210	sub reload_archetypes {
		3211	load_resource_file "$DATADIR/archetypes"
		3212	or die "unable to load archetypes\n";
		3213	#d# NEED to laod twice to resolve forward references
		3214	# this really needs to be done in an extra post-pass
		3215	# (which needs to be synchronous, so solve it differently)
2551	load_resource_file "$DATADIR/archetypes"	3216	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3217	or die "unable to load archetypes\n";
2553	}	3218	}
2554		3219
2555	sub reload_treasures {	3220	sub reload_treasures {
…		…
2571		3236
2572	sub init {	3237	sub init {
2573	reload_resources;	3238	reload_resources;
2574	}	3239	}
2575		3240
2576	sub cfg_load {	3241	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3242	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3243	or return;
2579		3244
2580	local $/;	3245	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3246	*CFG = YAML::Syck::Load <$fh>;
…		…
2597	sub main {	3262	sub main {
2598	# we must not ever block the main coroutine	3263	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3264	local $Coro::idle = sub {
2600	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601	(async {	3266	(async {
		3267	$Coro::current->{desc} = "IDLE BUG HANDLER";
2602	Event::one_event;	3268	Event::one_event;
2603	})->prio (Coro::PRIO_MAX);	3269	})->prio (Coro::PRIO_MAX);
2604	};	3270	};
2605		3271
2606	cfg_load;	3272	reload_config;
2607	db_init;	3273	db_init;
2608	load_extensions;	3274	load_extensions;
2609		3275
2610	$TICK_WATCHER->start;	3276	$TICK_WATCHER->start;
2611	Event::loop;	3277	Event::loop;
…		…
2627	},	3293	},
2628	);	3294	);
2629	}	3295	}
2630	}	3296	}
2631		3297
		3298	sub write_runtime {
		3299	my $runtime = "$LOCALDIR/runtime";
		3300
		3301	# first touch the runtime file to show we are still running:
		3302	# the fsync below can take a very very long time.
		3303
		3304	IO::AIO::aio_utime $runtime, undef, undef;
		3305
		3306	my $guard = cf::lock_acquire "write_runtime";
		3307
		3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3309	or return;
		3310
		3311	my $value = $cf::RUNTIME + 90 + 10;
		3312	# 10 is the runtime save interval, for a monotonic clock
		3313	# 60 allows for the watchdog to kill the server.
		3314
		3315	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3316	and return;
		3317
		3318	# always fsync - this file is important
		3319	aio_fsync $fh
		3320	and return;
		3321
		3322	# touch it again to show we are up-to-date
		3323	aio_utime $fh, undef, undef;
		3324
		3325	close $fh
		3326	or return;
		3327
		3328	aio_rename "$runtime~", $runtime
		3329	and return;
		3330
		3331	warn "runtime file written.\n";
		3332
		3333	1
		3334	}
		3335
2632	sub emergency_save() {	3336	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3337	my $freeze_guard = cf::freeze_mainloop;
2634		3338
2635	warn "enter emergency perl save\n";	3339	warn "enter emergency perl save\n";
2636		3340
…		…
2640	# and maps saved/destroyed asynchronously.	3344	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3345	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3346	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3347	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3348	$pl->valid or next;
		3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645	$pl->save;	3350	$pl->save;
2646	}	3351	}
2647	warn "end emergency player save\n";	3352	warn "end emergency player save\n";
2648		3353
2649	warn "begin emergency map save\n";	3354	warn "begin emergency map save\n";
…		…
2697		3402
2698	warn "flushing outstanding aio requests";	3403	warn "flushing outstanding aio requests";
2699	for (;;) {	3404	for (;;) {
2700	BDB::flush;	3405	BDB::flush;
2701	IO::AIO::flush;	3406	IO::AIO::flush;
2702	Coro::cede;	3407	Coro::cede_notself;
2703	last unless IO::AIO::nreqs || BDB::nreqs;	3408	last unless IO::AIO::nreqs || BDB::nreqs;
2704	warn "iterate...";	3409	warn "iterate...";
2705	}	3410	}
2706		3411
2707	++$RELOAD;	3412	++$RELOAD;
…		…
2711	%EXT_CORO = ();	3416	%EXT_CORO = ();
2712		3417
2713	warn "removing commands";	3418	warn "removing commands";
2714	%COMMAND = ();	3419	%COMMAND = ();
2715		3420
2716	warn "removing ext commands";	3421	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3422	%EXTCMD = ();
		3423	%EXTICMD = ();
2718		3424
2719	warn "unloading/nuking all extensions";	3425	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3426	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3427	warn "... unloading $pkg";
2722		3428
…		…
2765	warn "reloading cf.pm";	3471	warn "reloading cf.pm";
2766	require cf;	3472	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3474
2769	warn "loading config and database again";	3475	warn "loading config and database again";
2770	cf::cfg_load;	3476	cf::reload_config;
2771		3477
2772	warn "loading extensions";	3478	warn "loading extensions";
2773	cf::load_extensions;	3479	cf::load_extensions;
2774		3480
2775	warn "reattaching attachments to objects/players";	3481	warn "reattaching attachments to objects/players";
…		…
2811	register_command "reload" => sub {	3517	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3518	my ($who, $arg) = @_;
2813		3519
2814	if ($who->flag (FLAG_WIZ)) {	3520	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3521	$who->message ("reloading server.");
		3522	async {
		3523	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3524	reload_perl;
		3525	};
2817	}	3526	}
2818	};	3527	};
2819		3528
2820	unshift @INC, $LIBDIR;	3529	unshift @INC, $LIBDIR;
2821		3530
…		…
2840	my $signal = new Coro::Signal;	3549	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3550	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3551	$signal->wait;
2843	}	3552	}
2844		3553
2845	my $min = 1e6;#d#
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (	3554	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,	3555	reentrant => 0,
2849	parked => 1,	3556	parked => 1,
2850	prio => 0,	3557	prio => 0,
2851	at => $NEXT_TICK || $TICK,	3558	at => $NEXT_TICK || $TICK,
…		…
2859		3566
2860	$NOW = $tick_start = Event::time;	3567	$NOW = $tick_start = Event::time;
2861		3568
2862	cf::server_tick; # one server iteration	3569	cf::server_tick; # one server iteration
2863		3570
2864	0 && sync_job {#d#
2865	for(1..10) {
2866	my $t = Event::time;
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868	or die;
2869
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};
2886
2887	$RUNTIME += $TICK;	3571	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;	3572	$NEXT_TICK += $TICK;
2889		3573
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;	3575	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {	3576	Coro::async_pool {
		3577	$Coro::current->{desc} = "runtime saver";
2893	write_runtime	3578	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";	3579	or warn "ERROR: unable to write runtime file: $!";
2895	};	3580	};
2896	}	3581	}
2897		3582
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3584	$sig->send;
2903	}	3585	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3586	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3587	$sig->send;
…		…
2915		3597
2916	$LOAD = ($NOW - $tick_start) / $TICK;	3598	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3600
2919	_post_tick;	3601	_post_tick;
2920
2921
2922	},	3602	},
2923	);	3603	);
2924		3604
2925	{	3605	{
		3606	BDB::min_parallel 8;
2926	BDB::max_poll_time $TICK * 0.1;	3607	BDB::max_poll_time $TICK * 0.1;
2927	$BDB_POLL_WATCHER = Event->io (	3608	$BDB_POLL_WATCHER = Event->io (
2928	reentrant => 0,	3609	reentrant => 0,
2929	fd => BDB::poll_fileno,	3610	fd => BDB::poll_fileno,
2930	poll => 'r',	3611	poll => 'r',
2931	prio => 0,	3612	prio => 0,
2932	data => WF_AUTOCANCEL,	3613	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,	3614	cb => \&BDB::poll_cb,
2934	);	3615	);
2935	BDB::min_parallel 8;
2936		3616
2937	BDB::set_sync_prepare {	3617	BDB::set_sync_prepare {
2938	my $status;	3618	my $status;
2939	my $current = $Coro::current;	3619	my $current = $Coro::current;
2940	(	3620	(
…		…
2949	)	3629	)
2950	};	3630	};
2951		3631
2952	unless ($DB_ENV) {	3632	unless ($DB_ENV) {
2953	$DB_ENV = BDB::db_env_create;	3633	$DB_ENV = BDB::db_env_create;
		3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3635	| BDB::LOG_AUTOREMOVE, 1);
		3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954		3638
2955	cf::sync_job {	3639	cf::sync_job {
2956	eval {	3640	eval {
2957	BDB::db_env_open	3641	BDB::db_env_open
2958	$DB_ENV,	3642	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3646	0666;
2963		3647
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3648	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3649	};
2969		3650
2970	cf::cleanup "db_env_open(db): $@" if $@;	3651	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3652	};
2972	}	3653	}
		3654
		3655	$BDB_DEADLOCK_WATCHER = Event->timer (
		3656	after => 3,
		3657	interval => 1,
		3658	hard => 1,
		3659	prio => 0,
		3660	data => WF_AUTOCANCEL,
		3661	cb => sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	},
		3664	);
		3665	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3666	after => 11,
		3667	interval => 60,
		3668	hard => 1,
		3669	prio => 0,
		3670	data => WF_AUTOCANCEL,
		3671	cb => sub {
		3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3673	},
		3674	);
		3675	$BDB_TRICKLE_WATCHER = Event->timer (
		3676	after => 5,
		3677	interval => 10,
		3678	hard => 1,
		3679	prio => 0,
		3680	data => WF_AUTOCANCEL,
		3681	cb => sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	},
		3684	);
2973	}	3685	}
2974		3686
2975	{	3687	{
2976	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2977		3689
…		…
2980	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = Event->io (
2981	reentrant => 0,	3693	reentrant => 0,
2982	data => WF_AUTOCANCEL,	3694	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,	3695	fd => IO::AIO::poll_fileno,
2984	poll => 'r',	3696	poll => 'r',
2985	prio => 6,	3697	prio => 0,
2986	cb => \&IO::AIO::poll_cb,	3698	cb => \&IO::AIO::poll_cb,
2987	);	3699	);
2988	}	3700	}
2989		3701
2990	my $_log_backtrace;	3702	my $_log_backtrace;
…		…
2996		3708
2997	# limit the # of concurrent backtraces	3709	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3710	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3711	++$_log_backtrace;
3000	async {	3712	async {
		3713	$Coro::current->{desc} = "abt $msg";
		3714
3001	my @bt = fork_call {	3715	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3716	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3717	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3718	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005	or die "addr2line: $!";	3719	or die "addr2line: $!";

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