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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.382 by root, Thu Oct 11 00:34:31 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 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 | logBacktrace, 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
…		…
390	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
391		483
392	$coro	484	$coro
393	}	485	}
394		486
395	sub write_runtime {	487	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		488
398	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
400		493
401	IO::AIO::aio_utime $runtime, undef, undef;	494	=cut
402		495
403	my $guard = cf::lock_acquire "write_runtime";	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
404		498
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	499	# we seemingly have to make a local copy of the whole thing,
406	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
407		502
408	my $value = $cf::RUNTIME + 90 + 10;	503	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	504	reset_signals;
410	# 60 allows for the watchdog to kill the server.	505	&$cb
		506	}, @args;
411		507
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	508	wantarray ? @res : $res[-1]
413	and return;	509	}
414		510
415	# always fsync - this file is important	511	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		512
419	# touch it again to show we are up-to-date	513	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		514
422	close $fh	515	=item cf::db_put $family => $key => $value
423	or return;
424		516
425	aio_rename "$runtime~", $runtime	517	Stores the given C<$value> in the family. It can currently store binary
426	and return;	518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		519
428	warn "runtime file written.\n";	520	=item $db = cf::db_table "name"
429		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
430	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
431	}	636	}
432		637
433	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
434		639
435	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
455		660
456	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	663	Crossfire TRT).
459		664
460	=over 4	665	=over 4
461		666
462	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
463		668
…		…
665	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
666	}	871	}
667		872
668	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
669	} else {	874	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	876	}
672		877
673	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
674	}	879	}
675		880
…		…
715	";	920	";
716	die if $@;	921	die if $@;
717	}	922	}
718		923
719	our $override;	924	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		926
722	sub override {	927	sub override {
723	$override = 1;	928	$override = 1;
724	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
725	}	930	}
726		931
727	sub do_invoke {	932	sub do_invoke {
728	my $event = shift;	933	my $event = shift;
729	my $callbacks = shift;	934	my $callbacks = shift;
730		935
731	@invoke_results = ();	936	@INVOKE_RESULTS = ();
732		937
733	local $override;	938	local $override;
734		939
735	for (@$callbacks) {	940	for (@$callbacks) {
736	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
753		958
754	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
755		960
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		964
760	=back	965	=back
761		966
762	=cut	967	=cut
763		968
764	#############################################################################	969	#############################################################################
765	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
766		982
767	sub reattach {	983	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	985	my ($obj) = @_;
770		986
…		…
817	sub object_freezer_save {	1033	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
819		1035
820	sync_job {	1036	sync_job {
821	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
824		1041
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1046	close $fh;
830		1047
831	if (@$objs) {	1048	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1054	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
839	}	1056	}
…		…
847	}	1064	}
848	} else {	1065	} else {
849	aio_unlink $filename;	1066	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
851	}	1068	}
852	}	1069	};
853	}	1070	}
854		1071
855	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
857		1074
…		…
869	or return;	1086	or return;
870		1087
871	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
873	or return;	1090	or return;
874	$av = eval { (Storable::thaw $av)->{objs} };
875	}
876		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1099	$decname, length $data, scalar @{$av || []};
		1100
879	return ($data, $av);	1101	($data, $av)
880	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
881		1109
882	#############################################################################	1110	#############################################################################
883	# command handling &c	1111	# command handling &c
884		1112
885	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1127	}
900		1128
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1130
903	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
904		1136
905	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
906	called.	1138	called.
907		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
908	=cut	1151	=cut
909		1152
910	sub register_extcmd {	1153	sub register_extcmd {
911	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
912		1155
913	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
914	}	1163	}
915		1164
916	cf::player->attach (	1165	cf::player->attach (
917	on_command => sub {	1166	on_command => sub {
918	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1176	cf::override;
928	},	1177	},
929	on_extcmd => sub {	1178	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
931		1180
932	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1182
934	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
940	} else {	1198	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1200	}
943		1201
944	cf::override;	1202	cf::override;
945	},	1203	},
946	);	1204	);
947		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
983	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1211	next unless -r $path;
985	eval {	1212
986	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
987	1	1270	}
988	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
989	}	1276	};
990	}	1277	}
991		1278
992	#############################################################################	1279	#############################################################################
993		1280
		1281	=back
		1282
994	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
995		1284
996	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
997		1286
998	=cut	1287	=cut
…		…
1002	use Coro::AIO;	1291	use Coro::AIO;
1003		1292
1004	=head3 cf::player	1293	=head3 cf::player
1005		1294
1006	=over 4	1295	=over 4
		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
1007		1310
1008	=item cf::player::find $login	1311	=item cf::player::find $login
1009		1312
1010	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1011		1314
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1354
1052	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1055	}	1363	}
1056	}	1364	}
1057	}	1365	}
1058		1366
…		…
1068		1376
1069	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1071		1379
1072	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1073	Coro::cede;	1381	cf::cede_to_tick;
1074	}	1382	}
1075		1383
1076	sub new($) {	1384	sub new($) {
1077	my ($login) = @_;	1385	my ($login) = @_;
1078		1386
…		…
1082	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1083		1391
1084	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1085		1393
1086	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1087	}	1405	}
1088		1406
1089	=item $pl->quit_character	1407	=item $pl->quit_character
1090		1408
1091	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1146	or return [];	1464	or return [];
1147		1465
1148	my @logins;	1466	my @logins;
1149		1467
1150	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1154		1477
1155	utf8::decode $login;	1478	utf8::decode $login;
1156	push @logins, $login;	1479	push @logins, $login;
1157	}	1480	}
1158		1481
…		…
1185	}	1508	}
1186		1509
1187	\@paths	1510	\@paths
1188	}	1511	}
1189		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1190	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1191		1565
1192	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1193		1567
1194	=cut	1568	=cut
1195		1569
1196	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1198		1572
1199	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1574	}
1203		1575
1204	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1205		1577
1206	Sends an ext event to the client.	1578	Sends an ext event to the client.
1207		1579
1208	=cut	1580	=cut
1209		1581
1210	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1212		1584
1213	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1214	}	1586	}
1215		1587
1216	=head3 cf::region	1588	=head3 cf::region
1217		1589
1218	=over 4	1590	=over 4
…		…
1221		1593
1222	package cf::region;	1594	package cf::region;
1223		1595
1224	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1225		1597
1226	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1227		1599
1228	=cut	1600	=cut
1229		1601
1230	sub find_by_path($) {	1602	sub find_by_path($) {
1231	my ($path) = @_;	1603	my ($path) = @_;
1232		1604
1233	my ($match, $specificity);	1605	my ($match, $specificity);
1234		1606
1235	for my $region (list) {	1607	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1239	}	1611	}
1240	}	1612	}
1241		1613
…		…
1361	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1362	return $self;	1734	return $self;
1363	}	1735	}
1364	}	1736	}
1365		1737
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1367	()	1739	()
1368	}	1740	}
1369		1741
1370	sub init {	1742	sub init {
1371	my ($self) = @_;	1743	my ($self) = @_;
…		…
1434		1806
1435	sub load_header_from($) {	1807	sub load_header_from($) {
1436	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1437		1809
1438	utf8::encode $path;	1810	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1444		1819
1445	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1446		1821
1447	1	1822	1
1448	}	1823	}
…		…
1502	sub find {	1877	sub find {
1503	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1504		1879
1505	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1506		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1508		1884
1509	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1511	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1512	or return;	1890	or return;
1513		1891
1514	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1515		1893
…		…
1517	or return;	1895	or return;
1518		1896
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1522	$map->reset;	1902	$map->reset;
1523	undef $guard;
1524	return find $path;	1903	return find $path;
1525	}	1904	}
1526		1905
1527	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1528	}	1907	}
…		…
1537	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1538		1917
1539	my $path = $self->{path};	1918	my $path = $self->{path};
1540		1919
1541	{	1920	{
1542	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1543		1922
		1923	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1545		1925
1546	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1547		1927
1548	$self->alloc;	1928	$self->alloc;
1549		1929
1550	$self->pre_load;	1930	$self->pre_load;
1551	Coro::cede;	1931	cf::cede_to_tick;
1552		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1553	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1554	or return;	1936	or return;
1555		1937
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557	if delete $self->{load_original};	1939	if delete $self->{load_original};
1558		1940
1559	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	1942	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	1945	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1564	}	1949	}
1565	}	1950	}
1566		1951
1567	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1568	# now do the right thing for maps	1955	# now do the right thing for maps
1569	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	1958	unless $self->difficulty;
1572	Coro::cede;	1959	cf::cede_to_tick;
1573		1960
1574	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	1962	$self->decay_objects;
1576	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1577	$self->update_buttons;	1964	$self->update_buttons;
1578	Coro::cede;	1965	cf::cede_to_tick;
1579	$self->set_darkness_map;	1966	$self->set_darkness_map;
1580	Coro::cede;	1967	cf::cede_to_tick;
1581	$self->activate;	1968	$self->activate;
1582	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1583		1973
1584	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1585	}	1975	}
1586		1976
1587	$self->post_load;	1977	$self->post_load;
…		…
1598		1988
1599	$self	1989	$self
1600	}	1990	}
1601		1991
1602	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {	1993	sub load_neighbours {
1604	my ($map) = @_;	1994	my ($map) = @_;
1605		1995
1606	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1607		1997
1608	for (0 .. 3) {	1998	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1610	or next;	2000	or next;
1611	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1612	or next;	2002	or next;
1613	$neigh->load;	2003	$neigh->load;
1614		2004
		2005	push @neigh,
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}	2008	}
1618		2009
1619	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1620	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1621	or next;	2013	or next;
1622	$neigh->load;	2014	$neigh->load;
1623	}	2015	}
1624	}	2016	}
1625		2017
…		…
1630	}	2022	}
1631		2023
1632	sub do_load_sync {	2024	sub do_load_sync {
1633	my ($map) = @_;	2025	my ($map) = @_;
1634		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1635	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1636	}	2031	}
1637		2032
1638	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1640		2035
1641	sub find_async {	2036	sub find_async {
1642	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1643		2038
1644	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1645		2040
1646	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648	}	2043	}
1649		2044
1650	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1651	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1652	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2052	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2053	$map->load if $v;
		2054	}
1657		2055
1658	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1659	}	2057	}
1660	}	2058	}
1661	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1662	};	2060	};
1663	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1666	}	2064	}
1667		2065
1668	sub save {	2066	sub save {
1669	my ($self) = @_;	2067	my ($self) = @_;
1670		2068
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2070
1673	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1674		2072
1675	return unless $self->dirty;	2073	return unless $self->dirty;
1676		2074
…		…
1682	return if $self->{deny_save};	2080	return if $self->{deny_save};
1683		2081
1684	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1685		2083
1686	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1688	};	2087	};
1689		2088
1690	if ($uniq) {	2089	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1699	my ($self) = @_;	2098	my ($self) = @_;
1700		2099
1701	# save first because save cedes	2100	# save first because save cedes
1702	$self->save;	2101	$self->save;
1703		2102
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2104
1706	return if $self->players;	2105	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};	2107	return if $self->{deny_save};
1709		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2113	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2114	}
1713		2115
1714	sub reset_at {	2116	sub reset_at {
1715	my ($self) = @_;	2117	my ($self) = @_;
1716		2118
…		…
1748	if $uniq;	2150	if $uniq;
1749	}	2151	}
1750		2152
1751	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1752		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2157	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2158
1757	$self->unlink_save;	2159	$self->unlink_save;
1758	$self->destroy;	2160	$self->destroy;
1759	}	2161	}
1760		2162
1761	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1762		2164
1763	sub nuke {	2165	sub nuke {
1764	my ($self) = @_;	2166	my ($self) = @_;
1765		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1766	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1767		2172
1768	$self->unlink_save;	2173	$self->unlink_save;
1769		2174
1770	bless $self, "cf::map";	2175	bless $self, "cf::map";
1771	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2180
1776	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1777		2183
1778	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
1779	}	2185	}
1780		2186
1781	=item $maps = cf::map::tmp_maps	2187	=item $maps = cf::map::tmp_maps
1782		2188
1783	Returns an arrayref with all map paths of currently instantiated and saved	2189	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2190	maps. May block.
1785		2191
1786	=cut	2192	=cut
1787		2193
1788	sub tmp_maps() {	2194	sub tmp_maps() {
1789	[	2195	[
1790	map {	2196	map {
1791	utf8::decode $_;	2197	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2198	/\.map$/
1793	? normalise $_	2199	? normalise $_
1794	: ()	2200	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2201	} @{ aio_readdir $TMPDIR or [] }
1796	]	2202	]
1797	}	2203	}
1798		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
		2221	}
		2222
1799	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1800		2224
1801	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2226	instantiated unique items. May block.
1803		2227
…		…
1805		2229
1806	sub unique_maps() {	2230	sub unique_maps() {
1807	[	2231	[
1808	map {	2232	map {
1809	utf8::decode $_;	2233	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2234	/\.map$/
1811	? normalise $_	2235	? normalise $_
1812	: ()	2236	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2238	]
1815	}	2239	}
…		…
1837	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1838	}	2262	}
1839		2263
1840	sub inv_recursive {	2264	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1842	}	2294	}
1843		2295
1844	package cf;	2296	package cf;
1845		2297
1846	=back	2298	=back
…		…
1865		2317
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2319
1868	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1870	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1873	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1874	}	2345	}
1875		2346
1876	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1877		2348
1878	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1957	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1960		2431
1961	$map->load;	2432	$map->load;
1962	$map->load_diag;	2433	$map->load_neighbours;
1963		2434
1964	return unless $self->contr->active;	2435	return unless $self->contr->active;
1965	$self->activate_recursive;	2436	$self->activate_recursive;
1966		2437
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1969	}	2440	}
1970		2441
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1972		2443
1973	Moves the player to the given map-path and coordinates by first freezing	2444	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2445	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2446	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2447	the new (success) or old (failed) map position. In either case, $done will
		2448	be called at the end of this process.
1977		2449
1978	=cut	2450	=cut
1979		2451
1980	our $GOTOGEN;	2452	our $GOTOGEN;
1981		2453
1982	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1984		2456
1985	# do generation counting so two concurrent goto's will be executed in-order	2457	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2459
1988	$self->enter_link;	2460	$self->enter_link;
1989		2461
1990	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1991	my $map = eval {	2484	my $map = eval {
1992	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
1993		2486
1994	if ($map) {	2487	if ($map) {
1995	$map = $map->customise_for ($self);	2488	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2489	$map = $check->($map) if $check && $map;
1997	} else {	2490	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2492	}
2000		2493
2001	$map	2494	$map
2002	};	2495	};
2003		2496
…		…
2008		2501
2009	if ($gen == $self->{_goto_generation}) {	2502	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2503	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
2012	}	2505	}
		2506
		2507	$done->() if $done;
2013	})->prio (1);	2508	})->prio (1);
2014	}	2509	}
2015		2510
2016	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
2017		2512
…		…
2086	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2088		2583
2089	$self->enter_link;	2584	$self->enter_link;
2090		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2091	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2092	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2093	unless (eval {	2594	unless (eval {
2094	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2095		2596
2096	1;	2597	1;
…		…
2122		2623
2123	utf8::encode $text;	2624	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	2626	}
2126		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2127	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2128		2722
2129	Sends an exti event to the client.	2723	Sends an ext event to the client.
2130		2724
2131	=cut	2725	=cut
2132		2726
2133	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2135		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2138	}	2754	}
2139		2755
2140	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2141		2757
2142	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		2761
2146	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	2763	become reliable at some point in the future.
2148		2764
2149	=cut	2765	=cut
2150		2766
2151	sub cf::client::query {	2767	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	2776	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		2778
2163	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2165	}	2783	}
2166		2784
2167	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2168	on_reply => sub {	2791	on_reply => sub {
2169	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2170		2793
2171	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2172	# get handled first	2795	# get handled first
…		…
2184	} else {	2807	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	2809	}
2187	}	2810	}
2188	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2189	);	2838	);
2190		2839
2191	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2192		2841
2193	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2234	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2236		2885
2237	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2238		2887
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2240		2893
2241	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2242		2895
2243	=pod	2896	=pod
2244		2897
2245	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2246		2899
2247	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2248	cf::object::player player	2904	cf::object::player
2249	cf::player peaceful	2905	player
2250	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2251		2912
2252	=cut	2913	=cut
2253		2914
2254	for (	2915	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2256	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2258	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2259	) {	2922	) {
2260	no strict 'refs';	2923	no strict 'refs';
…		…
2331	=back	2994	=back
2332		2995
2333	=cut	2996	=cut
2334		2997
2335	#############################################################################	2998	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506
2507	#############################################################################
2508	# the server's init and main functions	2999	# the server's init and main functions
2509		3000
2510	sub load_facedata($) {	3001	sub load_facedata($) {
2511	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2512		3009
2513	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2514		3011
2515	my $facedata;	3012	my $facedata;
2516	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2519	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2520		3017
2521	$facedata->{version} == 2	3018	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2524	{	3028	{
2525	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2526		3030
2527	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2532	Coro::cede;	3037
		3038	cf::cede_to_tick;
2533	}	3039	}
2534		3040
2535	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3042	next unless $info->{smooth};
2537	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2538	or next;	3044	or next;
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3048	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3050	}
2544	Coro::cede;	3051
		3052	cf::cede_to_tick;
2545	}	3053	}
2546	}	3054	}
2547		3055
2548	{	3056	{
2549	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2550		3058
2551	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3061	cf::cede_to_tick;
2554	}	3062	}
2555		3063
2556	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2557	}	3065	}
2558		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2559	1	3116	1
2560	}	3117	}
2561		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2562	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2563	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
2565	}	3139	}
2566		3140
2567	sub reload_facedata {	3141	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2570	}	3144	}
2571		3145
2572	sub reload_archetypes {	3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
2573	load_resource_file "$DATADIR/archetypes"	3152	load_resource_file "$DATADIR/archetypes"
2574	or die "unable to load archetypes\n";	3153	or die "unable to load archetypes\n";
2575	}	3154	}
2576		3155
2577	sub reload_treasures {	3156	sub reload_treasures {
…		…
2593		3172
2594	sub init {	3173	sub init {
2595	reload_resources;	3174	reload_resources;
2596	}	3175	}
2597		3176
2598	sub cfg_load {	3177	sub reload_config {
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2600	or return;	3179	or return;
2601		3180
2602	local $/;	3181	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2619	sub main {	3198	sub main {
2620	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2624	Event::one_event;	3204	Event::one_event;
2625	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2626	};	3206	};
2627		3207
2628	cfg_load;	3208	reload_config;
2629	db_init;	3209	db_init;
2630	load_extensions;	3210	load_extensions;
2631		3211
2632	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2633	Event::loop;	3213	Event::loop;
…		…
2649	},	3229	},
2650	);	3230	);
2651	}	3231	}
2652	}	3232	}
2653		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2654	sub emergency_save() {	3272	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2656		3274
2657	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2658		3276
…		…
2662	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2664	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3286	$pl->save;
2668	}	3287	}
2669	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2670		3289
2671	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2733	%EXT_CORO = ();	3352	%EXT_CORO = ();
2734		3353
2735	warn "removing commands";	3354	warn "removing commands";
2736	%COMMAND = ();	3355	%COMMAND = ();
2737		3356
2738	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2739	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2740		3360
2741	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2744		3364
…		…
2787	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2788	require cf;	3408	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2790		3410
2791	warn "loading config and database again";	3411	warn "loading config and database again";
2792	cf::cfg_load;	3412	cf::reload_config;
2793		3413
2794	warn "loading extensions";	3414	warn "loading extensions";
2795	cf::load_extensions;	3415	cf::load_extensions;
2796		3416
2797	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2833	register_command "reload" => sub {	3453	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2835		3455
2836	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	3460	reload_perl;
		3461	};
2839	}	3462	}
2840	};	3463	};
2841		3464
2842	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2843		3466
…		…
2862	my $signal = new Coro::Signal;	3485	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	3486	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	3487	$signal->wait;
2865	}	3488	}
2866		3489
2867	my $min = 1e6;#d#
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,	3491	reentrant => 0,
2871	parked => 1,	3492	parked => 1,
2872	prio => 0,	3493	prio => 0,
2873	at => $NEXT_TICK || $TICK,	3494	at => $NEXT_TICK || $TICK,
…		…
2881		3502
2882	$NOW = $tick_start = Event::time;	3503	$NOW = $tick_start = Event::time;
2883		3504
2884	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
2885		3506
2886	0 && sync_job {#d#
2887	for(1..10) {
2888	my $t = Event::time;
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2890	or die;
2891
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};
2908
2909	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2911		3509
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2915	write_runtime	3514	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2917	};	3516	};
2918	}	3517	}
2919		3518
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	3520	$sig->send;
2925	}	3521	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	3522	while (my $sig = shift @WAIT_FOR_TICK) {
2927	$sig->send;	3523	$sig->send;
…		…
2937		3533
2938	$LOAD = ($NOW - $tick_start) / $TICK;	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		3536
2941	_post_tick;	3537	_post_tick;
2942
2943
2944	},	3538	},
2945	);	3539	);
2946		3540
2947	{	3541	{
		3542	BDB::min_parallel 8;
2948	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2949	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2950	reentrant => 0,	3545	reentrant => 0,
2951	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2952	poll => 'r',	3547	poll => 'r',
2953	prio => 0,	3548	prio => 0,
2954	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2956	);	3551	);
2957	BDB::min_parallel 8;
2958		3552
2959	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2960	my $status;	3554	my $status;
2961	my $current = $Coro::current;	3555	my $current = $Coro::current;
2962	(	3556	(
…		…
2971	)	3565	)
2972	};	3566	};
2973		3567
2974	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		3574
2977	cf::sync_job {	3575	cf::sync_job {
2978	eval {	3576	eval {
2979	BDB::db_env_open	3577	BDB::db_env_open
2980	$DB_ENV,	3578	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	3582	0666;
2985		3583
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	3585	};
2991		3586
2992	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	3588	};
2994	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2995	}	3621	}
2996		3622
2997	{	3623	{
2998	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2999		3625
…		…
3002	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
3003	reentrant => 0,	3629	reentrant => 0,
3004	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
3006	poll => 'r',	3632	poll => 'r',
3007	prio => 6,	3633	prio => 0,
3008	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
3009	);	3635	);
3010	}	3636	}
3011		3637
3012	my $_log_backtrace;	3638	my $_log_backtrace;
…		…
3018		3644
3019	# limit the # of concurrent backtraces	3645	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	3646	if ($_log_backtrace < 2) {
3021	++$_log_backtrace;	3647	++$_log_backtrace;
3022	async {	3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
3023	my @bt = fork_call {	3651	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	3652	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	3655	or die "addr2line: $!";

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