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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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
…		…
291	};	323	};
292	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
293	$guard	325	$guard
294	}	326	}
295		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
296	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
297		385
298	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
303		391
304	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
305		393
306	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
307		395
308	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
311		400
312	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
315	fast or be very important.	404	fast or be very important.
…		…
318		407
319	sub sync_job(&) {	408	sub sync_job(&) {
320	my ($job) = @_;	409	my ($job) = @_;
321		410
322	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
323	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
325		416
326	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
338		429
339	while ($busy) {	430	while ($busy) {
340	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
341	}	432	}
342		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
343	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
344	} else {	442	} else {
345	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
346		444
347	$job->()	445	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
367		465
368	$coro	466	$coro
369	}	467	}
370		468
371	sub write_runtime {	469	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		470
374	# first touch the runtime file to show we are still running:	471	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
376		475
377	warn "touching runtime...\n";#d#	476	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		477
382	my $guard = cf::lock_acquire "write_runtime";	478	sub fork_call(&@) {
		479	my ($cb, @args) = @_;
383		480
384	warn "starting to write runtime...\n";#d#	481	# we seemingly have to make a local copy of the whole thing,
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	# otherwise perl prematurely frees the stuff :/
386	or return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
387		484
388	my $value = $cf::RUNTIME + 90 + 10;	485	my @res = Coro::Util::fork_eval {
389	# 10 is the runtime save interval, for a monotonic clock	486	reset_signals;
390	# 60 allows for the watchdog to kill the server.	487	&$cb
		488	}, @args;
391		489
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	wantarray ? @res : $res[-1]
393	and return;	491	}
394		492
395	# always fsync - this file is important	493	=item $value = cf::db_get $family => $key
396	aio_fsync $fh
397	and return;
398		494
399	# touch it again to show we are up-to-date	495	Returns a single value from the environment database.
400	utime undef, undef, $fh;
401		496
402	close $fh	497	=item cf::db_put $family => $key => $value
403	or return;
404		498
405	aio_rename "$runtime~", $runtime	499	Stores the given C<$value> in the family. It can currently store binary
406	and return;	500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
407		501
408	warn "... done writing runtime.\n";#d#	502	=cut
409		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
410	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
411	}	607	}
412		608
413	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
414		610
415	Log a datalog packet of the given type with the given key-value pairs.	611	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
435		631
436	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	634	Crossfire TRT).
439		635
440	=over 4	636	=over 4
441		637
442	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
443		639
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
607		803
608	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		808
613	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	810	my $pkg = shift @arg;
615		811
616	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
646	}	842	}
647		843
648	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
649	} else {	845	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	847	}
652		848
653	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
654	}	850	}
655		851
…		…
657	if (ref $_[0]) {	853	if (ref $_[0]) {
658	_object_attach @_;	854	_object_attach @_;
659	} else {	855	} else {
660	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
661	}	857	}
		858	_recalc_want;
662	};	859	};
663		860
664	# all those should be optimised	861	# all those should be optimised
665	sub cf::attachable::detach {	862	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
670	reattach ($obj);	867	reattach ($obj);
671	} else {	868	} else {
672	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
673	}	870	}
		871	_recalc_want;
674	};	872	};
675		873
676	sub cf::attachable::attached {	874	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
678		876
…		…
693	";	891	";
694	die if $@;	892	die if $@;
695	}	893	}
696		894
697	our $override;	895	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		897
700	sub override {	898	sub override {
701	$override = 1;	899	$override = 1;
702	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
703	}	901	}
704		902
705	sub do_invoke {	903	sub do_invoke {
706	my $event = shift;	904	my $event = shift;
707	my $callbacks = shift;	905	my $callbacks = shift;
708		906
709	@invoke_results = ();	907	@INVOKE_RESULTS = ();
710		908
711	local $override;	909	local $override;
712		910
713	for (@$callbacks) {	911	for (@$callbacks) {
714	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
731		929
732	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
733		931
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		935
738	=back	936	=back
739		937
740	=cut	938	=cut
741		939
742	#############################################################################	940	#############################################################################
743	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
744		953
745	sub reattach {	954	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	956	my ($obj) = @_;
748		957
…		…
851	or return;	1060	or return;
852	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1062	}
854		1063
855	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
857	return ($data, $av);	1066	return ($data, $av);
858	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
859		1074
860	#############################################################################	1075	#############################################################################
861	# command handling &c	1076	# command handling &c
862		1077
863	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1092	}
878		1093
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1095
881	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
882		1101
883	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
884	called.	1103	called.
885		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
886	=cut	1116	=cut
887		1117
888	sub register_extcmd {	1118	sub register_extcmd {
889	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
890		1120
891	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
892	}	1128	}
893		1129
894	cf::player->attach (	1130	cf::player->attach (
895	on_command => sub {	1131	on_command => sub {
896	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1141	cf::override;
906	},	1142	},
907	on_extcmd => sub {	1143	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
909		1145
910	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1147
912	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
918	} else {	1163	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1165	}
921		1166
922	cf::override;	1167	cf::override;
923	},	1168	},
924	);	1169	);
925		1170
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
961	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1176	next unless -r $path;
963	eval {	1177
964	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
965	1	1235	}
966	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
967	}	1241	};
968	}	1242	}
969		1243
970	#############################################################################	1244	#############################################################################
		1245
		1246	=back
971		1247
972	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
973		1249
974	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
975		1251
…		…
1046		1322
1047	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1049		1325
1050	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1051	Coro::cede;	1327	cf::cede_to_tick;
1052	}	1328	}
1053		1329
1054	sub new($) {	1330	sub new($) {
1055	my ($login) = @_;	1331	my ($login) = @_;
1056		1332
…		…
1060	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1061		1337
1062	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1063		1339
1064	$self	1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
1065	}	1351	}
1066		1352
1067	=item $pl->quit_character	1353	=item $pl->quit_character
1068		1354
1069	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
…		…
1163	}	1449	}
1164		1450
1165	\@paths	1451	\@paths
1166	}	1452	}
1167		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1168	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1169		1505
1170	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1171		1507
1172	=cut	1508	=cut
1173		1509
1174	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1176		1512
1177	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1514	}
1181		1515
1182	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1183		1517
1184	Sends an ext event to the client.	1518	Sends an ext event to the client.
1185		1519
1186	=cut	1520	=cut
1187		1521
1188	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1190		1524
1191	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1192	}	1526	}
1193		1527
1194	=head3 cf::region	1528	=head3 cf::region
1195		1529
1196	=over 4	1530	=over 4
…		…
1199		1533
1200	package cf::region;	1534	package cf::region;
1201		1535
1202	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1203		1537
1204	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1205		1539
1206	=cut	1540	=cut
1207		1541
1208	sub find_by_path($) {	1542	sub find_by_path($) {
1209	my ($path) = @_;	1543	my ($path) = @_;
1210		1544
1211	my ($match, $specificity);	1545	my ($match, $specificity);
1212		1546
1213	for my $region (list) {	1547	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1217	}	1551	}
1218	}	1552	}
1219		1553
…		…
1283	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1284		1618
1285	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1286	local $self->{path};	1620	local $self->{path};
1287	local $self->{load_path};	1621	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1622
1291	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1292	}	1624	}
1293		1625
1294	sub normalise {	1626	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1342	return $self;	1674	return $self;
1343	}	1675	}
1344	}	1676	}
1345		1677
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1679	()
1348	}	1680	}
1349		1681
1350	sub init {	1682	sub init {
1351	my ($self) = @_;	1683	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1724	sub change_all_map_light {
1393	my ($change) = @_;	1725	my ($change) = @_;
1394		1726
1395	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1397	}	1737	}
1398		1738
1399	sub unlink_save {	1739	sub unlink_save {
1400	my ($self) = @_;	1740	my ($self) = @_;
1401		1741
…		…
1459	$self->load_header_orig	1799	$self->load_header_orig
1460	or return;	1800	or return;
1461	$self->prepare_orig;	1801	$self->prepare_orig;
1462	}	1802	}
1463		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1464	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1808	unless $self->default_region;
1466		1809
1467	1	1810	1
1468	}	1811	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1484		1827
1485	$map->load_header	1828	$map->load_header
1486	or return;	1829	or return;
1487		1830
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1834	$map->reset;
1492	undef $guard;	1835	undef $guard;
1493	return find $path;	1836	return find $path;
…		…
1506	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1507		1850
1508	my $path = $self->{path};	1851	my $path = $self->{path};
1509		1852
1510	{	1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1511	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1512		1856
1513	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1514		1858
1515	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1516		1860
1517	$self->alloc;	1861	$self->alloc;
1518		1862
1519	$self->pre_load;	1863	$self->pre_load;
1520	Coro::cede;	1864	cf::cede_to_tick;
1521		1865
1522	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1523	or return;	1867	or return;
1524		1868
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
…		…
1531	$self->clear_unique_items;	1875	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1533	}	1877	}
1534	}	1878	}
1535		1879
1536	Coro::cede;	1880	cf::cede_to_tick;
1537	# now do the right thing for maps	1881	# now do the right thing for maps
1538	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	1884	unless $self->difficulty;
1541	Coro::cede;	1885	cf::cede_to_tick;
1542		1886
1543	unless ($self->{deny_activate}) {	1887	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	1888	$self->decay_objects;
1545	$self->fix_auto_apply;	1889	$self->fix_auto_apply;
1546	$self->update_buttons;	1890	$self->update_buttons;
1547	Coro::cede;	1891	cf::cede_to_tick;
1548	$self->set_darkness_map;	1892	$self->set_darkness_map;
1549	Coro::cede;	1893	cf::cede_to_tick;
1550	$self->activate;	1894	$self->activate;
1551	}	1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1552		1899
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1901	}
1555		1902
1556	$self->post_load;	1903	$self->post_load;
…		…
1560	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1561		1908
1562	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1910	if $self->per_player;
1564		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1565	$self	1915	$self
1566	}	1916	}
1567		1917
1568	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1919	sub load_neighbours {
1570	my ($map) = @_;	1920	my ($map) = @_;
1571		1921
1572	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1573		1923
1574	for (0 .. 3) {	1924	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1576	or next;	1926	or next;
1577	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1578	or next;	1928	or next;
1579	$neigh->load;	1929	$neigh->load;
1580		1930
		1931	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	1934	}
1584		1935
1585	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1587	or next;	1939	or next;
1588	$neigh->load;	1940	$neigh->load;
1589	}	1941	}
1590	}	1942	}
1591		1943
…		…
1596	}	1948	}
1597		1949
1598	sub do_load_sync {	1950	sub do_load_sync {
1599	my ($map) = @_;	1951	my ($map) = @_;
1600		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1601	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1602	}	1957	}
1603		1958
1604	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1606		1961
1607	sub find_async {	1962	sub find_async {
1608	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1609		1964
1610	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1611		1966
1612	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1614	}	1969	}
1615		1970
1616	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1617	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	1976	if (my $map = find $k) {
1621	or next;
1622	$map->load;	1977	$map->load if $v;
		1978	}
1623		1979
1624	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1625	}	1981	}
1626	}	1982	}
1627	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1628	};	1984	};
1629	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1632	}	1988	}
1633		1989
1634	sub save {	1990	sub save {
1635	my ($self) = @_;	1991	my ($self) = @_;
1636		1992
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1638		1994
1639	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1640		1996
1641	return unless $self->dirty;	1997	return unless $self->dirty;
1642		1998
…		…
1665	my ($self) = @_;	2021	my ($self) = @_;
1666		2022
1667	# save first because save cedes	2023	# save first because save cedes
1668	$self->save;	2024	$self->save;
1669		2025
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2027
1672	return if $self->players;	2028	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};	2030	return if $self->{deny_save};
1675		2031
…		…
1679		2035
1680	sub reset_at {	2036	sub reset_at {
1681	my ($self) = @_;	2037	my ($self) = @_;
1682		2038
1683	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1686		2041
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2044
…		…
1700	my ($self) = @_;	2055	my ($self) = @_;
1701		2056
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2058
1704	return if $self->players;	2059	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2060
1707	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1708		2062
1709	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1710		2064
1711	# need to save uniques path	2065	# need to save uniques path
1712	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1745		2099
1746	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1747	}	2101	}
1748		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1749	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1750		2140
1751	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2142	instantiated unique items. May block.
1753		2143
1754	=cut	2144	=cut
1755		2145
1756	sub unique_maps() {	2146	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2147	[
1758	or return;	2148	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2149	utf8::decode $_;
1764	next if /\.pst$/;	2150	/\.map$/
1765	next unless /^$PATH_SEP/o;	2151	? normalise $_
1766		2152	: ()
1767	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2154	]
1769
1770	\@paths
1771	}	2155	}
1772		2156
1773	package cf;	2157	package cf;
1774		2158
1775	=back	2159	=back
…		…
1821		2205
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2207
1824	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1826	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1829	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1830	}	2233	}
1831		2234
1832	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1833		2236
1834	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1882		2285
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2287
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1887		2290
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2292	}
1890		2293
1891	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1893		2298
1894	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1895		2300
1896	unless ($map) {	2301	unless ($map) {
1897	# restore original map position	2302	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1914		2319
1915	$map->load;	2320	$map->load;
1916	$map->load_diag;	2321	$map->load_neighbours;
1917		2322
1918	return unless $self->contr->active;	2323	return unless $self->contr->active;
1919	$self->activate_recursive;	2324	$self->activate_recursive;
1920		2325
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1923	}	2328	}
1924		2329
1925	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2331
1929	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1933	};	2336	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2337
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1960		2341
1961	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2347
1964	$self->enter_link;	2348	$self->enter_link;
1965		2349
1966	(async {	2350	(async {
1967	my $map = eval {	2351	my $map = eval {
1968	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1970	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2367	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1975	})->prio (1);	2375	})->prio (1);
1976	}	2376	}
1977		2377
1978	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1979		2379
…		…
2048	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
2050		2450
2051	$self->enter_link;	2451	$self->enter_link;
2052		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
		2456
2053	(async {	2457	(async {
2054	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2459	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
2057		2461
…		…
2084		2488
2085	utf8::encode $text;	2489	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2491	}
2088		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
2089	=item $client->ext_event ($type, %msg)	2555	=item $client->ext_msg ($type, @msg)
2090		2556
2091	Sends an exti event to the client.	2557	Sends an ext event to the client.
2092		2558
2093	=cut	2559	=cut
2094		2560
2095	sub cf::client::ext_event($$%) {	2561	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2562	my ($self, $type, @msg) = @_;
2097		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
2100	}	2588	}
2101		2589
2102	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2103		2591
2104	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2595
2108	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2597	become reliable at some point in the future.
2110		2598
2111	=cut	2599	=cut
2112		2600
2113	sub cf::client::query {	2601	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2610	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2612
2125	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2127	}	2617	}
2128		2618
2129	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2130	on_reply => sub {	2625	on_reply => sub {
2131	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2132		2627
2133	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2134	# get handled first	2629	# get handled first
…		…
2146	} else {	2641	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2643	}
2149	}	2644	}
2150	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2151	);	2672	);
2152		2673
2153	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2154		2675
2155	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2198		2719
2199	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2200		2721
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2202		2727
2203	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2204		2729
2205	=pod	2730	=pod
2206		2731
2207	The following functions and methods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2208		2733
2209	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2210	cf::object::player player	2738	cf::object::player
2211	cf::player peaceful	2739	player
2212	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2213		2746
2214	=cut	2747	=cut
2215		2748
2216	for (	2749	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2218	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2221	) {	2756	) {
2222	no strict 'refs';	2757	no strict 'refs';
…		…
2293	=back	2828	=back
2294		2829
2295	=cut	2830	=cut
2296		2831
2297	#############################################################################	2832	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2833	# the server's init and main functions
2473		2834
2474	sub load_facedata($) {	2835	sub load_facedata($) {
2475	my ($path) = @_;	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2476		2839
2477	warn "loading facedata from $path\n";	2840	warn "loading facedata from $path\n";
2478		2841
2479	my $facedata;	2842	my $facedata;
2480	0 < aio_load $path, $facedata	2843	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2846	$facedata = Coro::Storable::thaw $facedata;
2484		2847
2485	$facedata->{version} == 2	2848	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
2488	{	2858	{
2489	my $faces = $facedata->{faceinfo};	2859	my $faces = $facedata->{faceinfo};
2490		2860
2491	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	2867
		2868	cf::cede_to_tick;
2497	}	2869	}
2498		2870
2499	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2872	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2502	or next;	2874	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2878	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2880	}
2508	Coro::cede;	2881
		2882	cf::cede_to_tick;
2509	}	2883	}
2510	}	2884	}
2511		2885
2512	{	2886	{
2513	my $anims = $facedata->{animinfo};	2887	my $anims = $facedata->{animinfo};
2514		2888
2515	while (my ($anim, $info) = each %$anims) {	2889	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2891	cf::cede_to_tick;
2518	}	2892	}
2519		2893
2520	cf::anim::invalidate_all; # d'oh	2894	cf::anim::invalidate_all; # d'oh
2521	}	2895	}
2522		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
2523	1	2946	1
2524	}	2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
2525		2956
2526	sub reload_regions {	2957	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2958	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
2529	}	2965	}
2530		2966
2531	sub reload_facedata {	2967	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2968	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2969	or die "unable to load facedata\n";
2534	}	2970	}
2535		2971
2536	sub reload_archetypes {	2972	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2973	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
2539	}	2980	}
2540		2981
2541	sub reload_treasures {	2982	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2983	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2984	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2987	sub reload_resources {
2547	warn "reloading resource files...\n";	2988	warn "reloading resource files...\n";
2548		2989
2549	reload_regions;	2990	reload_regions;
2550	reload_facedata;	2991	reload_facedata;
		2992	#reload_archetypes;#d#
2551	reload_archetypes;	2993	reload_archetypes;
2552	reload_treasures;	2994	reload_treasures;
2553		2995
2554	warn "finished reloading resource files\n";	2996	warn "finished reloading resource files\n";
2555	}	2997	}
2556		2998
2557	sub init {	2999	sub init {
2558	reload_resources;	3000	reload_resources;
2559	}	3001	}
2560		3002
2561	sub cfg_load {	3003	sub reload_config {
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2563	or return;	3005	or return;
2564		3006
2565	local $/;	3007	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
…		…
2586	(async {	3028	(async {
2587	Event::one_event;	3029	Event::one_event;
2588	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2589	};	3031	};
2590		3032
2591	cfg_load;	3033	reload_config;
2592	db_init;	3034	db_init;
2593	load_extensions;	3035	load_extensions;
2594		3036
2595	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2596	Event::loop;	3038	Event::loop;
…		…
2612	},	3054	},
2613	);	3055	);
2614	}	3056	}
2615	}	3057	}
2616		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2617	sub emergency_save() {	3097	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2619		3099
2620	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2621		3101
…		…
2696	%EXT_CORO = ();	3176	%EXT_CORO = ();
2697		3177
2698	warn "removing commands";	3178	warn "removing commands";
2699	%COMMAND = ();	3179	%COMMAND = ();
2700		3180
2701	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2703		3184
2704	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2707		3188
…		…
2750	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2751	require cf;	3232	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2753		3234
2754	warn "loading config and database again";	3235	warn "loading config and database again";
2755	cf::cfg_load;	3236	cf::reload_config;
2756		3237
2757	warn "loading extensions";	3238	warn "loading extensions";
2758	cf::load_extensions;	3239	cf::load_extensions;
2759		3240
2760	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2825	my $signal = new Coro::Signal;	3306	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3307	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3308	$signal->wait;
2828	}	3309	}
2829		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3314	reentrant => 0,
2832	parked => 1,	3315	parked => 1,
2833	prio => 0,	3316	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2840	return;	3323	return;
2841	}	3324	}
2842		3325
2843	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2844		3327
2845	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
2846		3352
2847	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2849		3355
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3362	}
2857		3363
2858	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2860		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2861	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3378
2864	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
2866		3381
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3382	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3384
2874	_post_tick;	3385	_post_tick;
		3386
		3387
2875	},	3388	},
2876	);	3389	);
2877		3390
2878	{	3391	{
2879	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;

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