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 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 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 3.64 ();
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 2.32 ();
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;
…		…
90	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
91		95
92	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
95	binmode STDOUT;	103	binmode STDOUT;
96	binmode STDERR;	104	binmode STDERR;
97		105
98	# read virtual server time, if available	106	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
…		…
139		147
140	=item $cf::TICK	148	=item $cf::TICK
141		149
142	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
143		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
144	=item %cf::CFG	162	=item %cf::CFG
145		163
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	165	from wherever your confdir points to.
148		166
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		168
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
154		178
155	=back	179	=back
156		180
157	=cut	181	=cut
158		182
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		204
180	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	206	# within the Safe compartment.
182	for my $pkg (qw(	207	for my $pkg (qw(
183	cf::global cf::attachable	208	cf::global cf::attachable
…		…
191	}	216	}
192		217
193	$Event::DIED = sub {	218	$Event::DIED = sub {
194	warn "error in event callback: @_";	219	warn "error in event callback: @_";
195	};	220	};
		221
		222	#############################################################################
196		223
197	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
198		225
199	=over 4	226	=over 4
200		227
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	247	$d
221	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
222	}	249	}
223		250
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
227		252
228	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
229		254
230	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
231		256
232	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
239		271
240	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
244		279
245	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
247		282
248	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
…		…
291	};	326	};
292	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
293	$guard	328	$guard
294	}	329	}
295		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
296	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
297		388
298	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
303		394
304	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
305		396
306	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
307		398
308	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
311		403
312	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
315	fast or be very important.	407	fast or be very important.
…		…
318		410
319	sub sync_job(&) {	411	sub sync_job(&) {
320	my ($job) = @_;	412	my ($job) = @_;
321		413
322	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
323	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
325		419
326	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
338		432
339	while ($busy) {	433	while ($busy) {
340	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
341	}	435	}
342		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
343	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
344	} else {	445	} else {
345	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
346		447
347	$job->()	448	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
367		468
368	$coro	469	$coro
369	}	470	}
370		471
371	sub write_runtime {	472	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		473
374	my $runtime = "$LOCALDIR/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
375		478
376	warn "starting to write runtime...\n";#d#	479	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		480
380	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
381	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
382	# 60 allows for the watchdog to kill the server.
383		483
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
385	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
386		487
387	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	489	reset_signals;
389	and return;	490	&$cb
		491	}, @args;
390		492
391	close $fh	493	wantarray ? @res : $res[-1]
392	or return;	494	}
393		495
394	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
395	and return;
396		497
397	warn "... done writing runtime.\n";#d#	498	Returns a single value from the environment database.
398		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
399	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
400	}	610	}
401		611
402	=item cf::datalog type => key => value, ...	612	=item cf::datalog type => key => value, ...
403		613
404	Log a datalog packet of the given type with the given key-value pairs.	614	Log a datalog packet of the given type with the given key-value pairs.
…		…
422	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
423	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
424		634
425	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
426	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
427	crossfire+).	637	Crossfire TRT).
428		638
429	=over 4	639	=over 4
430		640
431	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
432		642
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
596		806
597	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		811
602	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	813	my $pkg = shift @arg;
604		814
605	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
635	}	845	}
636		846
637	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
638	} else {	848	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	850	}
641		851
642	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
643	}	853	}
644		854
…		…
646	if (ref $_[0]) {	856	if (ref $_[0]) {
647	_object_attach @_;	857	_object_attach @_;
648	} else {	858	} else {
649	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
650	}	860	}
		861	_recalc_want;
651	};	862	};
652		863
653	# all those should be optimised	864	# all those should be optimised
654	sub cf::attachable::detach {	865	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
659	reattach ($obj);	870	reattach ($obj);
660	} else {	871	} else {
661	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
662	}	873	}
		874	_recalc_want;
663	};	875	};
664		876
665	sub cf::attachable::attached {	877	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
667		879
…		…
682	";	894	";
683	die if $@;	895	die if $@;
684	}	896	}
685		897
686	our $override;	898	our $override;
687	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688		900
689	sub override {	901	sub override {
690	$override = 1;	902	$override = 1;
691	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
692	}	904	}
693		905
694	sub do_invoke {	906	sub do_invoke {
695	my $event = shift;	907	my $event = shift;
696	my $callbacks = shift;	908	my $callbacks = shift;
697		909
698	@invoke_results = ();	910	@INVOKE_RESULTS = ();
699		911
700	local $override;	912	local $override;
701		913
702	for (@$callbacks) {	914	for (@$callbacks) {
703	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
720		932
721	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
722		934
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		938
727	=back	939	=back
728		940
729	=cut	941	=cut
730		942
731	#############################################################################	943	#############################################################################
732	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
733		956
734	sub reattach {	957	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	959	my ($obj) = @_;
737		960
…		…
840	or return;	1063	or return;
841	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1065	}
843		1066
844	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
846	return ($data, $av);	1069	return ($data, $av);
847	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
848		1077
849	#############################################################################	1078	#############################################################################
850	# command handling &c	1079	# command handling &c
851		1080
852	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1095	}
867		1096
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1098
870	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
871		1104
872	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
873	called.	1106	called.
874		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
875	=cut	1119	=cut
876		1120
877	sub register_extcmd {	1121	sub register_extcmd {
878	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
879		1123
880	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
881	}	1131	}
882		1132
883	cf::player->attach (	1133	cf::player->attach (
884	on_command => sub {	1134	on_command => sub {
885	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1144	cf::override;
895	},	1145	},
896	on_extcmd => sub {	1146	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
898		1148
899	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1150
901	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
907	} else {	1166	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1168	}
910		1169
911	cf::override;	1170	cf::override;
912	},	1171	},
913	);	1172	);
914		1173
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
950	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1179	next unless -r $path;
952	eval {	1180
953	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
954	1	1238	}
955	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
956	}	1244	};
957	}	1245	}
958		1246
959	#############################################################################	1247	#############################################################################
		1248
		1249	=back
960		1250
961	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
962		1252
963	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
964		1254
…		…
1035		1325
1036	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1038		1328
1039	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1040	Coro::cede;	1330	cf::cede_to_tick;
1041	}	1331	}
1042		1332
1043	sub new($) {	1333	sub new($) {
1044	my ($login) = @_;	1334	my ($login) = @_;
1045		1335
…		…
1049	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1050		1340
1051	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1052		1342
1053	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1054	}	1354	}
1055		1355
1056	=item $pl->quit_character	1356	=item $pl->quit_character
1057		1357
1058	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1152	}	1452	}
1153		1453
1154	\@paths	1454	\@paths
1155	}	1455	}
1156		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1157	=item $player->ext_reply ($msgid, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1158		1508
1159	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1160		1510
1161	=cut	1511	=cut
1162		1512
1163	sub ext_reply($$%) {	1513	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1165		1515
1166	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1517	}
1170		1518
1171	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1172		1520
1173	Sends an ext event to the client.	1521	Sends an ext event to the client.
1174		1522
1175	=cut	1523	=cut
1176		1524
1177	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1179		1527
1180	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1181	}	1529	}
1182		1530
1183	=head3 cf::region	1531	=head3 cf::region
1184		1532
1185	=over 4	1533	=over 4
…		…
1188		1536
1189	package cf::region;	1537	package cf::region;
1190		1538
1191	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1192		1540
1193	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1194		1542
1195	=cut	1543	=cut
1196		1544
1197	sub find_by_path($) {	1545	sub find_by_path($) {
1198	my ($path) = @_;	1546	my ($path) = @_;
1199		1547
1200	my ($match, $specificity);	1548	my ($match, $specificity);
1201		1549
1202	for my $region (list) {	1550	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1206	}	1554	}
1207	}	1555	}
1208		1556
…		…
1272	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1273		1621
1274	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1275	local $self->{path};	1623	local $self->{path};
1276	local $self->{load_path};	1624	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1625
1280	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1281	}	1627	}
1282		1628
1283	sub normalise {	1629	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1331	return $self;	1677	return $self;
1332	}	1678	}
1333	}	1679	}
1334		1680
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1682	()
1337	}	1683	}
1338		1684
1339	sub init {	1685	sub init {
1340	my ($self) = @_;	1686	my ($self) = @_;
…		…
1381	sub change_all_map_light {	1727	sub change_all_map_light {
1382	my ($change) = @_;	1728	my ($change) = @_;
1383		1729
1384	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1386	}	1740	}
1387		1741
1388	sub unlink_save {	1742	sub unlink_save {
1389	my ($self) = @_;	1743	my ($self) = @_;
1390		1744
…		…
1448	$self->load_header_orig	1802	$self->load_header_orig
1449	or return;	1803	or return;
1450	$self->prepare_orig;	1804	$self->prepare_orig;
1451	}	1805	}
1452		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1453	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1811	unless $self->default_region;
1455		1812
1456	1	1813	1
1457	}	1814	}
…		…
1472	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1473		1830
1474	$map->load_header	1831	$map->load_header
1475	or return;	1832	or return;
1476		1833
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1480	$map->reset;	1837	$map->reset;
1481	undef $guard;	1838	undef $guard;
1482	return find $path;	1839	return find $path;
…		…
1495	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1496		1853
1497	my $path = $self->{path};	1854	my $path = $self->{path};
1498		1855
1499	{	1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1500	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1501		1859
1502	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1503		1861
1504	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1505		1863
1506	$self->alloc;	1864	$self->alloc;
1507		1865
1508	$self->pre_load;	1866	$self->pre_load;
1509	Coro::cede;	1867	cf::cede_to_tick;
1510		1868
1511	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1512	or return;	1870	or return;
1513		1871
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1520	$self->clear_unique_items;	1878	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1522	}	1880	}
1523	}	1881	}
1524		1882
1525	Coro::cede;	1883	cf::cede_to_tick;
1526	# now do the right thing for maps	1884	# now do the right thing for maps
1527	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	1887	unless $self->difficulty;
1530	Coro::cede;	1888	cf::cede_to_tick;
1531		1889
1532	unless ($self->{deny_activate}) {	1890	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	1891	$self->decay_objects;
1534	$self->fix_auto_apply;	1892	$self->fix_auto_apply;
1535	$self->update_buttons;	1893	$self->update_buttons;
1536	Coro::cede;	1894	cf::cede_to_tick;
1537	$self->set_darkness_map;	1895	$self->set_darkness_map;
1538	Coro::cede;	1896	cf::cede_to_tick;
1539	$self->activate;	1897	$self->activate;
1540	}	1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1541		1902
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1904	}
1544		1905
1545	$self->post_load;	1906	$self->post_load;
…		…
1549	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1550		1911
1551	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1913	if $self->per_player;
1553		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1554	$self	1918	$self
1555	}	1919	}
1556		1920
1557	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {	1922	sub load_neighbours {
1559	my ($map) = @_;	1923	my ($map) = @_;
1560		1924
1561	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1562		1926
1563	for (0 .. 3) {	1927	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1565	or next;	1929	or next;
1566	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1567	or next;	1931	or next;
1568	$neigh->load;	1932	$neigh->load;
1569		1933
		1934	push @neigh,
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}	1937	}
1573		1938
1574	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1575	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1576	or next;	1942	or next;
1577	$neigh->load;	1943	$neigh->load;
1578	}	1944	}
1579	}	1945	}
1580		1946
…		…
1585	}	1951	}
1586		1952
1587	sub do_load_sync {	1953	sub do_load_sync {
1588	my ($map) = @_;	1954	my ($map) = @_;
1589		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1590	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1591	}	1960	}
1592		1961
1593	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1595		1964
1596	sub find_async {	1965	sub find_async {
1597	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1598		1967
1599	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1600		1969
1601	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1603	}	1972	}
1604		1973
1605	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1606	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	1979	if (my $map = find $k) {
1610	or next;
1611	$map->load;	1980	$map->load if $v;
		1981	}
1612		1982
1613	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1614	}	1984	}
1615	}	1985	}
1616	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1617	};	1987	};
1618	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1621	}	1991	}
1622		1992
1623	sub save {	1993	sub save {
1624	my ($self) = @_;	1994	my ($self) = @_;
1625		1995
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1627		1997
1628	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1629		1999
1630	return unless $self->dirty;	2000	return unless $self->dirty;
1631		2001
…		…
1654	my ($self) = @_;	2024	my ($self) = @_;
1655		2025
1656	# save first because save cedes	2026	# save first because save cedes
1657	$self->save;	2027	$self->save;
1658		2028
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2030
1661	return if $self->players;	2031	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};	2033	return if $self->{deny_save};
1664		2034
…		…
1668		2038
1669	sub reset_at {	2039	sub reset_at {
1670	my ($self) = @_;	2040	my ($self) = @_;
1671		2041
1672	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1675		2044
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2047
…		…
1689	my ($self) = @_;	2058	my ($self) = @_;
1690		2059
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2061
1693	return if $self->players;	2062	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2063
1696	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1697		2065
1698	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1699		2067
1700	# need to save uniques path	2068	# need to save uniques path
1701	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1733	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1734		2102
1735	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1736	}	2104	}
1737		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1738	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1739		2143
1740	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2145	instantiated unique items. May block.
1742		2146
1743	=cut	2147	=cut
1744		2148
1745	sub unique_maps() {	2149	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2150	[
1747	or return;	2151	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2152	utf8::decode $_;
1753	next if /\.pst$/;	2153	/\.map$/
1754	next unless /^$PATH_SEP/o;	2154	? normalise $_
1755		2155	: ()
1756	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2157	]
1758
1759	\@paths
1760	}	2158	}
1761		2159
1762	package cf;	2160	package cf;
1763		2161
1764	=back	2162	=back
…		…
1810		2208
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2210
1813	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1815	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1818	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1819	}	2236	}
1820		2237
1821	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1822		2239
1823	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1870	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1871		2288
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2290
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1876		2293
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2295	}
1879		2296
1880	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1882		2301
1883	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1884		2303
1885	unless ($map) {	2304	unless ($map) {
1886	# restore original map position	2305	# restore original map position
…		…
1900	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1903		2322
1904	$map->load;	2323	$map->load;
1905	$map->load_diag;	2324	$map->load_neighbours;
1906		2325
1907	return unless $self->contr->active;	2326	return unless $self->contr->active;
1908	$self->activate_recursive;	2327	$self->activate_recursive;
1909		2328
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1912	}	2331	}
1913		2332
1914	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2334
1918	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1922	};	2339	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2340
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1949		2344
1950	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
		2347
		2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2350
1953	$self->enter_link;	2351	$self->enter_link;
1954		2352
1955	(async {	2353	(async {
1956	my $map = eval {	2354	my $map = eval {
1957	my $map = cf::map::find $path;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
		2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
		2363
1959	$map	2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2370	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1964	})->prio (1);	2378	})->prio (1);
1965	}	2379	}
1966		2380
1967	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1968		2382
…		…
2037	my $hp = $exit->stats->hp;	2451	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2452	my $sp = $exit->stats->sp;
2039		2453
2040	$self->enter_link;	2454	$self->enter_link;
2041		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
		2459
2042	(async {	2460	(async {
2043	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2462	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2463	$self->goto ($slaying, $hp, $sp);
2046		2464
…		…
2073		2491
2074	utf8::encode $text;	2492	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2494	}
2077		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
2078	=item $client->ext_event ($type, %msg)	2558	=item $client->ext_msg ($type, @msg)
2079		2559
2080	Sends an exti event to the client.	2560	Sends an ext event to the client.
2081		2561
2082	=cut	2562	=cut
2083		2563
2084	sub cf::client::ext_event($$%) {	2564	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2565	my ($self, $type, @msg) = @_;
2086		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2570	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
2089	}	2591	}
2090		2592
2091	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
2092		2594
2093	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2598
2097	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2600	become reliable at some point in the future.
2099		2601
2100	=cut	2602	=cut
2101		2603
2102	sub cf::client::query {	2604	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2613	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2615
2114	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
2116	}	2620	}
2117		2621
2118	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
2119	on_reply => sub {	2628	on_reply => sub {
2120	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
2121		2630
2122	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
2123	# get handled first	2632	# get handled first
…		…
2135	} else {	2644	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2646	}
2138	}	2647	}
2139	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
2140	);	2675	);
2141		2676
2142	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
2143		2678
2144	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2185	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2187		2722
2188	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2189		2724
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2191		2730
2192	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2193		2732
2194	=pod	2733	=pod
2195		2734
2196	The following functions and methods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2197		2736
2198	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2199	cf::object::player player	2741	cf::object::player
2200	cf::player peaceful	2742	player
2201	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2202		2749
2203	=cut	2750	=cut
2204		2751
2205	for (	2752	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2207	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2210	) {	2759	) {
2211	no strict 'refs';	2760	no strict 'refs';
…		…
2282	=back	2831	=back
2283		2832
2284	=cut	2833	=cut
2285		2834
2286	#############################################################################	2835	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2836	# the server's init and main functions
2462		2837
2463	sub load_facedata($) {	2838	sub load_facedata($) {
2464	my ($path) = @_;	2839	my ($path) = @_;
		2840
		2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465		2842
2466	warn "loading facedata from $path\n";	2843	warn "loading facedata from $path\n";
2467		2844
2468	my $facedata;	2845	my $facedata;
2469	0 < aio_load $path, $facedata	2846	0 < aio_load $path, $facedata
…		…
2472	$facedata = Coro::Storable::thaw $facedata;	2849	$facedata = Coro::Storable::thaw $facedata;
2473		2850
2474	$facedata->{version} == 2	2851	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		2853
		2854	# patch in the exptable
		2855	$facedata->{resource}{"res/exp_table"} = {
		2856	type => FT_RSRC,
		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2858	};
		2859	cf::cede_to_tick;
		2860
2477	{	2861	{
2478	my $faces = $facedata->{faceinfo};	2862	my $faces = $facedata->{faceinfo};
2479		2863
2480	while (my ($face, $info) = each %$faces) {	2864	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485	Coro::cede;	2870
		2871	cf::cede_to_tick;
2486	}	2872	}
2487		2873
2488	while (my ($face, $info) = each %$faces) {	2874	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	2875	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	2876	my $idx = cf::face::find $face
2491	or next;	2877	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	2881	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	2883	}
2497	Coro::cede;	2884
		2885	cf::cede_to_tick;
2498	}	2886	}
2499	}	2887	}
2500		2888
2501	{	2889	{
2502	my $anims = $facedata->{animinfo};	2890	my $anims = $facedata->{animinfo};
2503		2891
2504	while (my ($anim, $info) = each %$anims) {	2892	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	2894	cf::cede_to_tick;
2507	}	2895	}
2508		2896
2509	cf::anim::invalidate_all; # d'oh	2897	cf::anim::invalidate_all; # d'oh
2510	}	2898	}
2511		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
2512	1	2949	1
2513	}	2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
2514		2959
2515	sub reload_regions {	2960	sub reload_regions {
2516	load_resource_file "$MAPDIR/regions"	2961	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
2518	}	2968	}
2519		2969
2520	sub reload_facedata {	2970	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	2971	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	2972	or die "unable to load facedata\n";
2523	}	2973	}
2524		2974
2525	sub reload_archetypes {	2975	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	2976	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
2528	}	2983	}
2529		2984
2530	sub reload_treasures {	2985	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	2986	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	2987	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	2990	sub reload_resources {
2536	warn "reloading resource files...\n";	2991	warn "reloading resource files...\n";
2537		2992
2538	reload_regions;	2993	reload_regions;
2539	reload_facedata;	2994	reload_facedata;
		2995	#reload_archetypes;#d#
2540	reload_archetypes;	2996	reload_archetypes;
2541	reload_treasures;	2997	reload_treasures;
2542		2998
2543	warn "finished reloading resource files\n";	2999	warn "finished reloading resource files\n";
2544	}	3000	}
2545		3001
2546	sub init {	3002	sub init {
2547	reload_resources;	3003	reload_resources;
2548	}	3004	}
2549		3005
2550	sub cfg_load {	3006	sub reload_config {
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2552	or return;	3008	or return;
2553		3009
2554	local $/;	3010	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
…		…
2575	(async {	3031	(async {
2576	Event::one_event;	3032	Event::one_event;
2577	})->prio (Coro::PRIO_MAX);	3033	})->prio (Coro::PRIO_MAX);
2578	};	3034	};
2579		3035
2580	cfg_load;	3036	reload_config;
2581	db_init;	3037	db_init;
2582	load_extensions;	3038	load_extensions;
2583		3039
2584	$TICK_WATCHER->start;	3040	$TICK_WATCHER->start;
2585	Event::loop;	3041	Event::loop;
…		…
2601	},	3057	},
2602	);	3058	);
2603	}	3059	}
2604	}	3060	}
2605		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2606	sub emergency_save() {	3100	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2608		3102
2609	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2610		3104
…		…
2685	%EXT_CORO = ();	3179	%EXT_CORO = ();
2686		3180
2687	warn "removing commands";	3181	warn "removing commands";
2688	%COMMAND = ();	3182	%COMMAND = ();
2689		3183
2690	warn "removing ext commands";	3184	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2692		3187
2693	warn "unloading/nuking all extensions";	3188	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2696		3191
…		…
2739	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2740	require cf;	3235	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742		3237
2743	warn "loading config and database again";	3238	warn "loading config and database again";
2744	cf::cfg_load;	3239	cf::reload_config;
2745		3240
2746	warn "loading extensions";	3241	warn "loading extensions";
2747	cf::load_extensions;	3242	cf::load_extensions;
2748		3243
2749	warn "reattaching attachments to objects/players";	3244	warn "reattaching attachments to objects/players";
…		…
2814	my $signal = new Coro::Signal;	3309	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3310	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3311	$signal->wait;
2817	}	3312	}
2818		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2819	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2820	reentrant => 0,	3317	reentrant => 0,
2821	parked => 1,	3318	parked => 1,
2822	prio => 0,	3319	prio => 0,
2823	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3325	unless ++$bug_warning > 10;
2829	return;	3326	return;
2830	}	3327	}
2831		3328
2832	$NOW = Event::time;	3329	$NOW = $tick_start = Event::time;
2833		3330
2834	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
		3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3354	};
2835		3355
2836	$RUNTIME += $TICK;	3356	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2838		3358
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2845	}	3365	}
2846		3366
2847	# my $AFTER = Event::time;	3367	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#	3368	# warn $AFTER - $NOW;#d#
2849		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
		3378
2850	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3381
2853	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
2855		3384
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3385	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3387
2863	_post_tick;	3388	_post_tick;
		3389
		3390
2864	},	3391	},
2865	);	3392	);
2866		3393
2867	{	3394	{
2868	BDB::max_poll_time $TICK * 0.1;	3395	BDB::max_poll_time $TICK * 0.1;

Diff Legend

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