ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.381 by root, Mon Oct 8 18:19:39 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 > $specificity;
1239	}	1611	}
1240	}	1612	}
1241		1613
…		…
1305	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1306		1678
1307	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1308	local $self->{path};	1680	local $self->{path};
1309	local $self->{load_path};	1681	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		1682
1313	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1314	}	1684	}
1315		1685
1316	sub normalise {	1686	sub normalise {
…		…
1363	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1364	return $self;	1734	return $self;
1365	}	1735	}
1366	}	1736	}
1367		1737
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1369	()	1739	()
1370	}	1740	}
1371		1741
1372	sub init {	1742	sub init {
1373	my ($self) = @_;	1743	my ($self) = @_;
…		…
1416		1786
1417	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1418	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1419	}	1789	}
1420		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1421	sub unlink_save {	1799	sub unlink_save {
1422	my ($self) = @_;	1800	my ($self) = @_;
1423		1801
1424	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1428		1806
1429	sub load_header_from($) {	1807	sub load_header_from($) {
1430	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1431		1809
1432	utf8::encode $path;	1810	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	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;
1438		1819
1439	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1440		1821
1441	1	1822	1
1442	}	1823	}
…		…
1481	$self->load_header_orig	1862	$self->load_header_orig
1482	or return;	1863	or return;
1483	$self->prepare_orig;	1864	$self->prepare_orig;
1484	}	1865	}
1485		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1486	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	1871	unless $self->default_region;
1488		1872
1489	1	1873	1
1490	}	1874	}
…		…
1493	sub find {	1877	sub find {
1494	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1495		1879
1496	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1497		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1499		1884
1500	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1501	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
1502	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1503	or return;	1890	or return;
1504		1891
1505	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1506		1893
1507	$map->load_header	1894	$map->load_header
1508	or return;	1895	or return;
1509		1896
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1513	$map->reset;	1902	$map->reset;
1514	undef $guard;
1515	return find $path;	1903	return find $path;
1516	}	1904	}
1517		1905
1518	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1519	}	1907	}
…		…
1528	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1529		1917
1530	my $path = $self->{path};	1918	my $path = $self->{path};
1531		1919
1532	{	1920	{
1533	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1534		1922
		1923	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1536		1925
1537	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1538		1927
1539	$self->alloc;	1928	$self->alloc;
1540		1929
1541	$self->pre_load;	1930	$self->pre_load;
1542	Coro::cede;	1931	cf::cede_to_tick;
1543		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
1544	$self->_load_objects ($self->{load_path}, 1)	1935	$self->_load_objects ($f)
1545	or return;	1936	or return;
1546		1937
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548	if delete $self->{load_original};	1939	if delete $self->{load_original};
1549		1940
1550	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	1942	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	1945	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1555	}	1949	}
1556	}	1950	}
1557		1951
1558	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1559	# now do the right thing for maps	1955	# now do the right thing for maps
1560	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	1958	unless $self->difficulty;
1563	Coro::cede;	1959	cf::cede_to_tick;
1564		1960
1565	unless ($self->{deny_activate}) {	1961	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	1962	$self->decay_objects;
1567	$self->fix_auto_apply;	1963	$self->fix_auto_apply;
1568	$self->update_buttons;	1964	$self->update_buttons;
1569	Coro::cede;	1965	cf::cede_to_tick;
1570	$self->set_darkness_map;	1966	$self->set_darkness_map;
1571	Coro::cede;	1967	cf::cede_to_tick;
1572	$self->activate;	1968	$self->activate;
1573	}	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1574		1973
1575	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
1576	}	1975	}
1577		1976
1578	$self->post_load;	1977	$self->post_load;
…		…
1582	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1583		1982
1584	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	1984	if $self->per_player;
1586		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1587	$self	1989	$self
1588	}	1990	}
1589		1991
1590	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {	1993	sub load_neighbours {
1592	my ($map) = @_;	1994	my ($map) = @_;
1593		1995
1594	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1595		1997
1596	for (0 .. 3) {	1998	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1598	or next;	2000	or next;
1599	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1600	or next;	2002	or next;
1601	$neigh->load;	2003	$neigh->load;
1602		2004
		2005	push @neigh,
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}	2008	}
1606		2009
1607	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1608	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1609	or next;	2013	or next;
1610	$neigh->load;	2014	$neigh->load;
1611	}	2015	}
1612	}	2016	}
1613		2017
…		…
1618	}	2022	}
1619		2023
1620	sub do_load_sync {	2024	sub do_load_sync {
1621	my ($map) = @_;	2025	my ($map) = @_;
1622		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1623	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1624	}	2031	}
1625		2032
1626	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1628		2035
1629	sub find_async {	2036	sub find_async {
1630	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1631		2038
1632	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1633		2040
1634	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1636	}	2043	}
1637		2044
1638	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1639	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1640	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2052	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2053	$map->load if $v;
		2054	}
1645		2055
1646	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1647	}	2057	}
1648	}	2058	}
1649	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1650	};	2060	};
1651	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1654	}	2064	}
1655		2065
1656	sub save {	2066	sub save {
1657	my ($self) = @_;	2067	my ($self) = @_;
1658		2068
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2070
1661	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1662		2072
1663	return unless $self->dirty;	2073	return unless $self->dirty;
1664		2074
…		…
1670	return if $self->{deny_save};	2080	return if $self->{deny_save};
1671		2081
1672	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1673		2083
1674	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1676	};	2087	};
1677		2088
1678	if ($uniq) {	2089	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1687	my ($self) = @_;	2098	my ($self) = @_;
1688		2099
1689	# save first because save cedes	2100	# save first because save cedes
1690	$self->save;	2101	$self->save;
1691		2102
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2104
1694	return if $self->players;	2105	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};	2107	return if $self->{deny_save};
1697		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1698	$self->clear;	2113	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2114	}
1701		2115
1702	sub reset_at {	2116	sub reset_at {
1703	my ($self) = @_;	2117	my ($self) = @_;
1704		2118
1705	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1708		2121
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2124
…		…
1722	my ($self) = @_;	2135	my ($self) = @_;
1723		2136
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2138
1726	return if $self->players;	2139	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2140
1729	warn "resetting map ", $self->path;	2141	warn "resetting map ", $self->path;
1730		2142
1731	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1732		2144
…		…
1738	if $uniq;	2150	if $uniq;
1739	}	2151	}
1740		2152
1741	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1742		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2157	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2158
1747	$self->unlink_save;	2159	$self->unlink_save;
1748	$self->destroy;	2160	$self->destroy;
1749	}	2161	}
1750		2162
1751	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1752		2164
1753	sub nuke {	2165	sub nuke {
1754	my ($self) = @_;	2166	my ($self) = @_;
1755		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1756	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1757		2172
1758	$self->unlink_save;	2173	$self->unlink_save;
1759		2174
1760	bless $self, "cf::map";	2175	bless $self, "cf::map";
1761	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2180
1766	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1767		2183
1768	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		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	]
1769	}	2221	}
1770		2222
1771	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1772		2224
1773	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2226	instantiated unique items. May block.
1775		2227
1776	=cut	2228	=cut
1777		2229
1778	sub unique_maps() {	2230	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2231	[
1780	or return;	2232	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2233	utf8::decode $_;
1786	next if /\.pst$/;	2234	/\.map$/
1787	next unless /^$PATH_SEP/o;	2235	? normalise $_
1788		2236	: ()
1789	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2238	]
1791
1792	\@paths
1793	}	2239	}
1794		2240
1795	package cf;	2241	package cf;
1796		2242
1797	=back	2243	=back
…		…
1815	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1816	}	2262	}
1817		2263
1818	sub inv_recursive {	2264	sub inv_recursive {
1819	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	}
1820	}	2294	}
1821		2295
1822	package cf;	2296	package cf;
1823		2297
1824	=back	2298	=back
…		…
1843		2317
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2319
1846	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1848	} 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 {
1849	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1851	}	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 (@_);
1852	}	2345	}
1853		2346
1854	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1855		2348
1856	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1935	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1938		2431
1939	$map->load;	2432	$map->load;
1940	$map->load_diag;	2433	$map->load_neighbours;
1941		2434
1942	return unless $self->contr->active;	2435	return unless $self->contr->active;
1943	$self->activate_recursive;	2436	$self->activate_recursive;
1944		2437
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1947	}	2440	}
1948		2441
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950		2443
1951	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
1952	her, loading and preparing them map, calling the provided $check callback	2445	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2446	that has to return the map if sucecssful, and then unfreezes the player on
1954	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.
1955		2449
1956	=cut	2450	=cut
1957		2451
1958	our $GOTOGEN;	2452	our $GOTOGEN;
1959		2453
1960	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1962		2456
1963	# 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
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2459
1966	$self->enter_link;	2460	$self->enter_link;
1967		2461
1968	(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
1969	my $map = eval {	2484	my $map = eval {
1970	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
1971		2486
1972	if ($map) {	2487	if ($map) {
1973	$map = $map->customise_for ($self);	2488	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2489	$map = $check->($map) if $check && $map;
1975	} else {	2490	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2492	}
1978		2493
1979	$map	2494	$map
1980	};	2495	};
1981		2496
…		…
1986		2501
1987	if ($gen == $self->{_goto_generation}) {	2502	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2503	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
1990	}	2505	}
		2506
		2507	$done->() if $done;
1991	})->prio (1);	2508	})->prio (1);
1992	}	2509	}
1993		2510
1994	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1995		2512
…		…
2064	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2066		2583
2067	$self->enter_link;	2584	$self->enter_link;
2068		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
2069	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2070	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2071	unless (eval {	2594	unless (eval {
2072	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2073		2596
2074	1;	2597	1;
…		…
2100		2623
2101	utf8::encode $text;	2624	utf8::encode $text;
2102	$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);
2103	}	2626	}
2104		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
2105	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2106		2722
2107	Sends an exti event to the client.	2723	Sends an ext event to the client.
2108		2724
2109	=cut	2725	=cut
2110		2726
2111	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2113		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2115	$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	}
2116	}	2754	}
2117		2755
2118	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2119		2757
2120	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		2761
2124	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
2125	reliable at some point in the future.	2763	become reliable at some point in the future.
2126		2764
2127	=cut	2765	=cut
2128		2766
2129	sub cf::client::query {	2767	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	2776	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		2778
2141	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2143	}	2783	}
2144		2784
2145	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	},
2146	on_reply => sub {	2791	on_reply => sub {
2147	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2148		2793
2149	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2150	# get handled first	2795	# get handled first
…		…
2162	} else {	2807	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	2809	}
2165	}	2810	}
2166	},	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	},
2167	);	2838	);
2168		2839
2169	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2170		2841
2171	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2212	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2214		2885
2215	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2216		2887
2217	$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	));
2218		2893
2219	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2220		2895
2221	=pod	2896	=pod
2222		2897
2223	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2224		2899
2225	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
2226	cf::object::player player	2904	cf::object::player
2227	cf::player peaceful	2905	player
2228	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2229		2912
2230	=cut	2913	=cut
2231		2914
2232	for (	2915	for (
2233	["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)],
2234	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2236	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2237	) {	2922	) {
2238	no strict 'refs';	2923	no strict 'refs';
…		…
2309	=back	2994	=back
2310		2995
2311	=cut	2996	=cut
2312		2997
2313	#############################################################################	2998	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484
2485	#############################################################################
2486	# the server's init and main functions	2999	# the server's init and main functions
2487		3000
2488	sub load_facedata($) {	3001	sub load_facedata($) {
2489	my ($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;
2490		3009
2491	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2492		3011
2493	my $facedata;	3012	my $facedata;
2494	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2497	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2498		3017
2499	$facedata->{version} == 2	3018	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		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
2502	{	3028	{
2503	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2504		3030
2505	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510	Coro::cede;	3037
		3038	cf::cede_to_tick;
2511	}	3039	}
2512		3040
2513	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3042	next unless $info->{smooth};
2515	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2516	or next;	3044	or next;
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3048	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3050	}
2522	Coro::cede;	3051
		3052	cf::cede_to_tick;
2523	}	3053	}
2524	}	3054	}
2525		3055
2526	{	3056	{
2527	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2528		3058
2529	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3061	cf::cede_to_tick;
2532	}	3062	}
2533		3063
2534	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2535	}	3065	}
2536		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 => $face;
		3112	}
		3113	}
		3114	}
		3115
2537	1	3116	1
2538	}	3117	}
2539		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
2540	sub reload_regions {	3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
2541	load_resource_file "$MAPDIR/regions"	3132	load_resource_file "$MAPDIR/regions"
2542	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 $_->{match};
		3138	}
2543	}	3139	}
2544		3140
2545	sub reload_facedata {	3141	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3142	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2548	}	3144	}
2549		3145
2550	sub reload_archetypes {	3146	sub reload_archetypes {
		3147	load_resource_file "$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)
2551	load_resource_file "$DATADIR/archetypes"	3152	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3153	or die "unable to load archetypes\n";
2553	}	3154	}
2554		3155
2555	sub reload_treasures {	3156	sub reload_treasures {
…		…
2571		3172
2572	sub init {	3173	sub init {
2573	reload_resources;	3174	reload_resources;
2574	}	3175	}
2575		3176
2576	sub cfg_load {	3177	sub reload_config {
2577	open my $fh, "<:utf8", "$CONFDIR/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2578	or return;	3179	or return;
2579		3180
2580	local $/;	3181	local $/;
2581	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
…		…
2597	sub main {	3198	sub main {
2598	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2599	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2600	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#
2601	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2602	Event::one_event;	3204	Event::one_event;
2603	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2604	};	3206	};
2605		3207
2606	cfg_load;	3208	reload_config;
2607	db_init;	3209	db_init;
2608	load_extensions;	3210	load_extensions;
2609		3211
2610	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2611	Event::loop;	3213	Event::loop;
…		…
2627	},	3229	},
2628	);	3230	);
2629	}	3231	}
2630	}	3232	}
2631		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
2632	sub emergency_save() {	3272	sub emergency_save() {
2633	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2634		3274
2635	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2636		3276
…		…
2640	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2641	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2642	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2643	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2644	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save};
2645	$pl->save;	3286	$pl->save;
2646	}	3287	}
2647	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2648		3289
2649	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2711	%EXT_CORO = ();	3352	%EXT_CORO = ();
2712		3353
2713	warn "removing commands";	3354	warn "removing commands";
2714	%COMMAND = ();	3355	%COMMAND = ();
2715		3356
2716	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2717	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2718		3360
2719	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2720	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2721	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2722		3364
…		…
2765	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2766	require cf;	3408	require cf;
2767	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768		3410
2769	warn "loading config and database again";	3411	warn "loading config and database again";
2770	cf::cfg_load;	3412	cf::reload_config;
2771		3413
2772	warn "loading extensions";	3414	warn "loading extensions";
2773	cf::load_extensions;	3415	cf::load_extensions;
2774		3416
2775	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2811	register_command "reload" => sub {	3453	register_command "reload" => sub {
2812	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2813		3455
2814	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2815	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2816	async { reload_perl };	3460	reload_perl;
		3461	};
2817	}	3462	}
2818	};	3463	};
2819		3464
2820	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2821		3466
…		…
2840	my $signal = new Coro::Signal;	3485	my $signal = new Coro::Signal;
2841	push @WAIT_FOR_TICK_BEGIN, $signal;	3486	push @WAIT_FOR_TICK_BEGIN, $signal;
2842	$signal->wait;	3487	$signal->wait;
2843	}	3488	}
2844		3489
2845	my $min = 1e6;#d#
2846	my $avg = 10;
2847	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2848	reentrant => 0,	3491	reentrant => 0,
2849	parked => 1,	3492	parked => 1,
2850	prio => 0,	3493	prio => 0,
2851	at => $NEXT_TICK || $TICK,	3494	at => $NEXT_TICK || $TICK,
…		…
2859		3502
2860	$NOW = $tick_start = Event::time;	3503	$NOW = $tick_start = Event::time;
2861		3504
2862	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
2863		3506
2864	0 && sync_job {#d#
2865	for(1..10) {
2866	my $t = Event::time;
2867	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868	or die;
2869
2870	$map->width (50);
2871	$map->height (50);
2872	$map->alloc;
2873	$map->_load_objects ("/tmp/x.map", 1);
2874	my $t = Event::time - $t;
2875
2876	#next unless $t < 0.0013;#d#
2877	if ($t < $min) {
2878	$min = $t;
2879	}
2880	$avg = $avg * 0.99 + $t * 0.01;
2881	}
2882	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883	exit 0;
2884	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885	};
2886
2887	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2888	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2889		3509
2890	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2892	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2893	write_runtime	3514	write_runtime
2894	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2895	};	3516	};
2896	}	3517	}
2897		3518
2898	# my $AFTER = Event::time;
2899	# warn $AFTER - $NOW;#d#
2900
2901	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902	$sig->send;	3520	$sig->send;
2903	}	3521	}
2904	while (my $sig = shift @WAIT_FOR_TICK) {	3522	while (my $sig = shift @WAIT_FOR_TICK) {
2905	$sig->send;	3523	$sig->send;
…		…
2915		3533
2916	$LOAD = ($NOW - $tick_start) / $TICK;	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2917	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918		3536
2919	_post_tick;	3537	_post_tick;
2920
2921
2922	},	3538	},
2923	);	3539	);
2924		3540
2925	{	3541	{
		3542	BDB::min_parallel 8;
2926	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2927	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2928	reentrant => 0,	3545	reentrant => 0,
2929	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2930	poll => 'r',	3547	poll => 'r',
2931	prio => 0,	3548	prio => 0,
2932	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2933	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2934	);	3551	);
2935	BDB::min_parallel 8;
2936		3552
2937	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2938	my $status;	3554	my $status;
2939	my $current = $Coro::current;	3555	my $current = $Coro::current;
2940	(	3556	(
…		…
2949	)	3565	)
2950	};	3566	};
2951		3567
2952	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2953	$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);
2954		3574
2955	cf::sync_job {	3575	cf::sync_job {
2956	eval {	3576	eval {
2957	BDB::db_env_open	3577	BDB::db_env_open
2958	$DB_ENV,	3578	$DB_ENV,
…		…
2960	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962	0666;	3582	0666;
2963		3583
2964	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967	$DB_ENV->set_lk_detect;
2968	};	3585	};
2969		3586
2970	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2971	};	3588	};
2972	}	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	);
2973	}	3621	}
2974		3622
2975	{	3623	{
2976	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2977		3625
…		…
2980	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2981	reentrant => 0,	3629	reentrant => 0,
2982	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2983	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2984	poll => 'r',	3632	poll => 'r',
2985	prio => 6,	3633	prio => 0,
2986	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2987	);	3635	);
2988	}	3636	}
2989		3637
2990	my $_log_backtrace;	3638	my $_log_backtrace;
…		…
2996		3644
2997	# limit the # of concurrent backtraces	3645	# limit the # of concurrent backtraces
2998	if ($_log_backtrace < 2) {	3646	if ($_log_backtrace < 2) {
2999	++$_log_backtrace;	3647	++$_log_backtrace;
3000	async {	3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
3001	my @bt = fork_call {	3651	my @bt = fork_call {
3002	@addr = map { sprintf "%x", $_ } @addr;	3652	@addr = map { sprintf "%x", $_ } @addr;
3003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004	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 |"
3005	or die "addr2line: $!";	3655	or die "addr2line: $!";

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines