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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 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;
…		…
967	path => $path,	1259	path => $path,
968	base => $base,	1260	base => $base,
969	pkg => $pkg,	1261	pkg => $pkg,
970	);	1262	);
971		1263
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1266
975	$ext{source} =	1267	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1268	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1269	. "#line 1 \"$path\"\n{\n"
978	. $source	1270	. $source
…		…
984	my %done;	1276	my %done;
985	while (%todo) {	1277	while (%todo) {
986	my $progress;	1278	my $progress;
987		1279
988	while (my ($k, $v) = each %todo) {	1280	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1281	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1282	goto skip
991	unless exists $done{$_};	1283	unless exists $done{$_};
992	}	1284	}
993		1285
994	warn "... loading '$k' into '$v->{pkg}'\n";	1286	warn "... loading '$k' into '$v->{pkg}'\n";
995		1287
996	unless (eval $v->{source}) {	1288	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1289	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1290	: "$v->{base}: extension inactive.\n";
999		1291
1000	if (exists $v->{meta}{mandatory}) {	1292	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1293	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1294	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1295	exit 1;
1004	}	1296	}
1005		1297
1006	die $msg;	1298	warn $msg;
1007	}	1299	}
1008		1300
1009	$done{$k} = delete $todo{$k};	1301	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
1011	}	1304	}
1012		1305
1013	skip:	1306	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1308	unless $progress;
…		…
1017	};	1310	};
1018	}	1311	}
1019		1312
1020	#############################################################################	1313	#############################################################################
1021		1314
		1315	=back
		1316
1022	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
1023		1318
1024	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
1025		1320
1026	=cut	1321	=cut
…		…
1030	use Coro::AIO;	1325	use Coro::AIO;
1031		1326
1032	=head3 cf::player	1327	=head3 cf::player
1033		1328
1034	=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	}
1035		1344
1036	=item cf::player::find $login	1345	=item cf::player::find $login
1037		1346
1038	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1039		1348
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1388
1080	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1083	}	1397	}
1084	}	1398	}
1085	}	1399	}
1086		1400
…		…
1096		1410
1097	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1099		1413
1100	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1101	Coro::cede;	1415	cf::cede_to_tick;
1102	}	1416	}
1103		1417
1104	sub new($) {	1418	sub new($) {
1105	my ($login) = @_;	1419	my ($login) = @_;
1106		1420
…		…
1110	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1111		1425
1112	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1113		1427
1114	$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 (@_);
1115	}	1439	}
1116		1440
1117	=item $pl->quit_character	1441	=item $pl->quit_character
1118		1442
1119	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
…		…
1174	or return [];	1498	or return [];
1175		1499
1176	my @logins;	1500	my @logins;
1177		1501
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1182		1511
1183	utf8::decode $login;	1512	utf8::decode $login;
1184	push @logins, $login;	1513	push @logins, $login;
1185	}	1514	}
1186		1515
…		…
1213	}	1542	}
1214		1543
1215	\@paths	1544	\@paths
1216	}	1545	}
1217		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
1218	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1219		1599
1220	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1221		1601
1222	=cut	1602	=cut
1223		1603
1224	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1226		1606
1227	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1608	}
1231		1609
1232	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1233		1611
1234	Sends an ext event to the client.	1612	Sends an ext event to the client.
1235		1613
1236	=cut	1614	=cut
1237		1615
1238	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1240		1618
1241	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1242	}	1620	}
1243		1621
1244	=head3 cf::region	1622	=head3 cf::region
1245		1623
1246	=over 4	1624	=over 4
…		…
1249		1627
1250	package cf::region;	1628	package cf::region;
1251		1629
1252	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1253		1631
1254	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1255		1633
1256	=cut	1634	=cut
1257		1635
1258	sub find_by_path($) {	1636	sub find_by_path($) {
1259	my ($path) = @_;	1637	my ($path) = @_;
1260		1638
1261	my ($match, $specificity);	1639	my ($match, $specificity);
1262		1640
1263	for my $region (list) {	1641	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1267	}	1645	}
1268	}	1646	}
1269		1647
…		…
1389	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1390	return $self;	1768	return $self;
1391	}	1769	}
1392	}	1770	}
1393		1771
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1773	()
1396	}	1774	}
1397		1775
1398	sub init {	1776	sub init {
1399	my ($self) = @_;	1777	my ($self) = @_;
…		…
1462		1840
1463	sub load_header_from($) {	1841	sub load_header_from($) {
1464	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1465		1843
1466	utf8::encode $path;	1844	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	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;
1472		1853
1473	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1474		1855
1475	1	1856	1
1476	}	1857	}
…		…
1530	sub find {	1911	sub find {
1531	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1532		1913
1533	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1534		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1536		1918
1537	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1538	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
1539	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1540	or return;	1924	or return;
1541		1925
1542	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1543		1927
…		…
1545	or return;	1929	or return;
1546		1930
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1550	$map->reset;	1936	$map->reset;
1551	undef $guard;
1552	return find $path;	1937	return find $path;
1553	}	1938	}
1554		1939
1555	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1556	}	1941	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1566		1951
1567	my $path = $self->{path};	1952	my $path = $self->{path};
1568		1953
1569	{	1954	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1571		1956
		1957	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		1959
1574	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1575		1961
1576	$self->alloc;	1962	$self->alloc;
1577		1963
1578	$self->pre_load;	1964	$self->pre_load;
1579	Coro::cede;	1965	cf::cede_to_tick;
1580		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1582	or return;	1970	or return;
1583		1971
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	1973	if delete $self->{load_original};
1586		1974
1587	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	1976	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	1979	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1592	}	1983	}
1593	}	1984	}
1594		1985
1595	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1596	# now do the right thing for maps	1989	# now do the right thing for maps
1597	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	1992	unless $self->difficulty;
1600	Coro::cede;	1993	cf::cede_to_tick;
1601		1994
1602	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	1996	$self->decay_objects;
1604	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1605	$self->update_buttons;	1998	$self->update_buttons;
1606	Coro::cede;	1999	cf::cede_to_tick;
1607	$self->set_darkness_map;	2000	$self->set_darkness_map;
1608	Coro::cede;	2001	cf::cede_to_tick;
1609	$self->activate;	2002	$self->activate;
1610	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1611		2007
1612	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	2009	}
1614		2010
1615	$self->post_load;	2011	$self->post_load;
…		…
1626		2022
1627	$self	2023	$self
1628	}	2024	}
1629		2025
1630	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	2027	sub load_neighbours {
1632	my ($map) = @_;	2028	my ($map) = @_;
1633		2029
1634	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1635		2031
1636	for (0 .. 3) {	2032	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1638	or next;	2034	or next;
1639	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1640	or next;	2036	or next;
1641	$neigh->load;	2037	$neigh->load;
1642		2038
		2039	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2042	}
1646		2043
1647	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1649	or next;	2047	or next;
1650	$neigh->load;	2048	$neigh->load;
1651	}	2049	}
1652	}	2050	}
1653		2051
…		…
1658	}	2056	}
1659		2057
1660	sub do_load_sync {	2058	sub do_load_sync {
1661	my ($map) = @_;	2059	my ($map) = @_;
1662		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1663	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1664	}	2065	}
1665		2066
1666	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1668		2069
1669	sub find_async {	2070	sub find_async {
1670	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1671		2072
1672	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1673		2074
1674	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2077	}
1677		2078
1678	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1679	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1680	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2086	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2087	$map->load if $v;
		2088	}
1685		2089
1686	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1687	}	2091	}
1688	}	2092	}
1689	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1690	};	2094	};
1691	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2098	}
1695		2099
1696	sub save {	2100	sub save {
1697	my ($self) = @_;	2101	my ($self) = @_;
1698		2102
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2104
1701	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1702		2106
1703	return unless $self->dirty;	2107	return unless $self->dirty;
1704		2108
…		…
1710	return if $self->{deny_save};	2114	return if $self->{deny_save};
1711		2115
1712	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1713		2117
1714	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1716	};	2121	};
1717		2122
1718	if ($uniq) {	2123	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2132	my ($self) = @_;
1728		2133
1729	# save first because save cedes	2134	# save first because save cedes
1730	$self->save;	2135	$self->save;
1731		2136
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2138
1734	return if $self->players;	2139	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2141	return if $self->{deny_save};
1737		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2147	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2148	}
1741		2149
1742	sub reset_at {	2150	sub reset_at {
1743	my ($self) = @_;	2151	my ($self) = @_;
1744		2152
…		…
1776	if $uniq;	2184	if $uniq;
1777	}	2185	}
1778		2186
1779	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1780		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2191	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2192
1785	$self->unlink_save;	2193	$self->unlink_save;
1786	$self->destroy;	2194	$self->destroy;
1787	}	2195	}
1788		2196
1789	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1790		2198
1791	sub nuke {	2199	sub nuke {
1792	my ($self) = @_;	2200	my ($self) = @_;
1793		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1794	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1795		2206
1796	$self->unlink_save;	2207	$self->unlink_save;
1797		2208
1798	bless $self, "cf::map";	2209	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2214
1804	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1805		2217
1806	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
1807	}	2219	}
1808		2220
1809	=item $maps = cf::map::tmp_maps	2221	=item $maps = cf::map::tmp_maps
…		…
1885		2297
1886	sub inv_recursive {	2298	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
1888	}	2300	}
1889		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	}
		2328	}
		2329
1890	package cf;	2330	package cf;
1891		2331
1892	=back	2332	=back
1893		2333
1894	=head3 cf::object::player	2334	=head3 cf::object::player
…		…
1911		2351
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2353
1914	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1916	} 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 {
1917	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1919	}	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 (@_);
1920	}	2379	}
1921		2380
1922	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1923		2382
1924	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
2006		2465
2007	$map->load;	2466	$map->load;
2008	$map->load_diag;	2467	$map->load_neighbours;
2009		2468
2010	return unless $self->contr->active;	2469	return unless $self->contr->active;
2011	$self->activate_recursive;	2470	$self->activate_recursive;
2012		2471
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
2015	}	2474	}
2016		2475
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2477
2019	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
2020	her, loading and preparing them map, calling the provided $check callback	2479	her, loading and preparing them map, calling the provided $check callback
2021	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
2022	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.
2023		2483
2024	=cut	2484	=cut
2025		2485
2026	our $GOTOGEN;	2486	our $GOTOGEN;
2027		2487
2028	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2490
2031	# 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
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2493
2034	$self->enter_link;	2494	$self->enter_link;
2035		2495
2036	(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
2037	my $map = eval {	2518	my $map = eval {
2038	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
2039		2520
2040	if ($map) {	2521	if ($map) {
2041	$map = $map->customise_for ($self);	2522	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2523	$map = $check->($map) if $check && $map;
2043	} else {	2524	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2526	}
2046		2527
2047	$map	2528	$map
2048	};	2529	};
2049		2530
…		…
2054		2535
2055	if ($gen == $self->{_goto_generation}) {	2536	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2537	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
2058	}	2539	}
		2540
		2541	$done->() if $done;
2059	})->prio (1);	2542	})->prio (1);
2060	}	2543	}
2061		2544
2062	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
2063		2546
…		…
2132	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2134		2617
2135	$self->enter_link;	2618	$self->enter_link;
2136		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
2137	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2138	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2628	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2141		2630
2142	1;	2631	1;
…		…
2168		2657
2169	utf8::encode $text;	2658	utf8::encode $text;
2170	$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);
2171	}	2660	}
2172		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<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
2173	=item $client->ext_event ($type, %msg)	2755	=item $client->ext_msg ($type, @msg)
2174		2756
2175	Sends an exti event to the client.	2757	Sends an ext event to the client.
2176		2758
2177	=cut	2759	=cut
2178		2760
2179	sub cf::client::ext_event($$%) {	2761	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2762	my ($self, $type, @msg) = @_;
2181		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2767	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
2184	}	2788	}
2185		2789
2186	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2187		2791
2188	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2795
2192	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2797	become reliable at some point in the future.
2194		2798
2195	=cut	2799	=cut
2196		2800
2197	sub cf::client::query {	2801	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2810	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2812
2209	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2211	}	2817	}
2212		2818
2213	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2214	on_reply => sub {	2825	on_reply => sub {
2215	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2216		2827
2217	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2218	# get handled first	2829	# get handled first
…		…
2230	} else {	2841	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2843	}
2233	}	2844	}
2234	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2235	);	2872	);
2236		2873
2237	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2238		2875
2239	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2282		2919
2283	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2284		2921
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2286		2927
2287	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2288		2929
2289	=pod	2930	=pod
2290		2931
2291	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2292		2933
2293	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2294	cf::object::player player	2938	cf::object::player
2295	cf::player peaceful	2939	player
2296	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2297		2946
2298	=cut	2947	=cut
2299		2948
2300	for (	2949	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2302	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2305	) {	2956	) {
2306	no strict 'refs';	2957	no strict 'refs';
…		…
2377	=back	3028	=back
2378		3029
2379	=cut	3030	=cut
2380		3031
2381	#############################################################################	3032	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	3033	# the server's init and main functions
2555		3034
2556	sub load_facedata($) {	3035	sub load_facedata($) {
2557	my ($path) = @_;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3043
2559	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2560		3045
2561	my $facedata;	3046	my $facedata;
2562	0 < aio_load $path, $facedata	3047	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3050	$facedata = Coro::Storable::thaw $facedata;
2566		3051
2567	$facedata->{version} == 2	3052	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
2570	{	3062	{
2571	my $faces = $facedata->{faceinfo};	3063	my $faces = $facedata->{faceinfo};
2572		3064
2573	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3071
		3072	cf::cede_to_tick;
2579	}	3073	}
2580		3074
2581	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3076	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2584	or next;	3078	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3082	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3084	}
2590	Coro::cede;	3085
		3086	cf::cede_to_tick;
2591	}	3087	}
2592	}	3088	}
2593		3089
2594	{	3090	{
2595	my $anims = $facedata->{animinfo};	3091	my $anims = $facedata->{animinfo};
2596		3092
2597	while (my ($anim, $info) = each %$anims) {	3093	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3095	cf::cede_to_tick;
2600	}	3096	}
2601		3097
2602	cf::anim::invalidate_all; # d'oh	3098	cf::anim::invalidate_all; # d'oh
2603	}	3099	}
2604		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
2605	1	3150	1
2606	}	3151	}
2607		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
2608	sub reload_regions {	3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
2609	load_resource_file "$MAPDIR/regions"	3166	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
2611	}	3173	}
2612		3174
2613	sub reload_facedata {	3175	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3176	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3177	or die "unable to load facedata\n";
2616	}	3178	}
2617		3179
2618	sub reload_archetypes {	3180	sub reload_archetypes {
		3181	load_resource_file "$DATADIR/archetypes"
		3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3186	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3187	or die "unable to load archetypes\n";
2621	}	3188	}
2622		3189
2623	sub reload_treasures {	3190	sub reload_treasures {
…		…
2639		3206
2640	sub init {	3207	sub init {
2641	reload_resources;	3208	reload_resources;
2642	}	3209	}
2643		3210
2644	sub cfg_load {	3211	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3213	or return;
2647		3214
2648	local $/;	3215	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3232	sub main {
2666	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2670	Event::one_event;	3238	Event::one_event;
2671	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2672	};	3240	};
2673		3241
2674	cfg_load;	3242	reload_config;
2675	db_init;	3243	db_init;
2676	load_extensions;	3244	load_extensions;
2677		3245
2678	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2679	Event::loop;	3247	Event::loop;
…		…
2695	},	3263	},
2696	);	3264	);
2697	}	3265	}
2698	}	3266	}
2699		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2700	sub emergency_save() {	3306	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2702		3308
2703	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2704		3310
…		…
2708	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2710	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3320	$pl->save;
2714	}	3321	}
2715	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2716		3323
2717	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2765		3372
2766	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2767	for (;;) {	3374	for (;;) {
2768	BDB::flush;	3375	BDB::flush;
2769	IO::AIO::flush;	3376	IO::AIO::flush;
2770	Coro::cede;	3377	Coro::cede_notself;
2771	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";	3379	warn "iterate...";
2773	}	3380	}
2774		3381
2775	++$RELOAD;	3382	++$RELOAD;
…		…
2779	%EXT_CORO = ();	3386	%EXT_CORO = ();
2780		3387
2781	warn "removing commands";	3388	warn "removing commands";
2782	%COMMAND = ();	3389	%COMMAND = ();
2783		3390
2784	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2786		3394
2787	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2790		3398
…		…
2833	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2834	require cf;	3442	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3444
2837	warn "loading config and database again";	3445	warn "loading config and database again";
2838	cf::cfg_load;	3446	cf::reload_config;
2839		3447
2840	warn "loading extensions";	3448	warn "loading extensions";
2841	cf::load_extensions;	3449	cf::load_extensions;
2842		3450
2843	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2879	register_command "reload" => sub {	3487	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2881		3489
2882	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3494	reload_perl;
		3495	};
2885	}	3496	}
2886	};	3497	};
2887		3498
2888	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2889		3500
…		…
2908	my $signal = new Coro::Signal;	3519	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3520	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3521	$signal->wait;
2911	}	3522	}
2912		3523
2913	my $min = 1e6;#d#
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (	3524	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,	3525	reentrant => 0,
2917	parked => 1,	3526	parked => 1,
2918	prio => 0,	3527	prio => 0,
2919	at => $NEXT_TICK || $TICK,	3528	at => $NEXT_TICK || $TICK,
…		…
2927		3536
2928	$NOW = $tick_start = Event::time;	3537	$NOW = $tick_start = Event::time;
2929		3538
2930	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
2931		3540
2932	0 && sync_job {#d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};
2954
2955	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2957		3543
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2961	write_runtime	3548	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2963	};	3550	};
2964	}	3551	}
2965		3552
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3554	$sig->send;
2971	}	3555	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3556	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3557	$sig->send;
…		…
2983		3567
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3568	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3570
2987	_post_tick;	3571	_post_tick;
2988
2989
2990	},	3572	},
2991	);	3573	);
2992		3574
2993	{	3575	{
		3576	BDB::min_parallel 8;
2994	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2995	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2996	reentrant => 0,	3579	reentrant => 0,
2997	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2998	poll => 'r',	3581	poll => 'r',
2999	prio => 0,	3582	prio => 0,
3000	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
3002	);	3585	);
3003	BDB::min_parallel 8;
3004		3586
3005	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
3006	my $status;	3588	my $status;
3007	my $current = $Coro::current;	3589	my $current = $Coro::current;
3008	(	3590	(
…		…
3017	)	3599	)
3018	};	3600	};
3019		3601
3020	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3608
3023	cf::sync_job {	3609	cf::sync_job {
3024	eval {	3610	eval {
3025	BDB::db_env_open	3611	BDB::db_env_open
3026	$DB_ENV,	3612	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3616	0666;
3031		3617
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3619	};
3037		3620
3038	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3622	};
3040	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
3041	}	3655	}
3042		3656
3043	{	3657	{
3044	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
3045		3659
…		…
3048	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
3049	reentrant => 0,	3663	reentrant => 0,
3050	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
3052	poll => 'r',	3666	poll => 'r',
3053	prio => 6,	3667	prio => 0,
3054	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
3055	);	3669	);
3056	}	3670	}
3057		3671
3058	my $_log_backtrace;	3672	my $_log_backtrace;
…		…
3064		3678
3065	# limit the # of concurrent backtraces	3679	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3680	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3681	++$_log_backtrace;
3068	async {	3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
3069	my @bt = fork_call {	3685	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3686	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3689	or die "addr2line: $!";

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