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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 1.335 by root, Mon Aug 20 22:21:48 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 1.4 ();
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	Coro::cede;
		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
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
915	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
916	}	1158	if $reply;
917	}	1159	}
918	} else {	1160	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1162	}
921		1163
922	cf::override;	1164	cf::override;
923	},	1165	},
924	);	1166	);
925		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
961	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1173	next unless -r $path;
963	eval {	1174
964	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
965	1	1232	}
966	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
967	}	1238	};
968	}	1239	}
969		1240
970	#############################################################################	1241	#############################################################################
		1242
		1243	=back
971		1244
972	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
973		1246
974	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
975		1248
…		…
1062	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1063		1336
1064	$self	1337	$self
1065	}	1338	}
1066		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1067	=item $pl->quit_character	1350	=item $pl->quit_character
1068		1351
1069	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1071		1354
…		…
1163	}	1446	}
1164		1447
1165	\@paths	1448	\@paths
1166	}	1449	}
1167		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1168	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1169		1502
1170	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1171		1504
1172	=cut	1505	=cut
1173		1506
1174	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1176		1509
1177	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1178		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1179	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1180	}	1517	}
1181		1518
1182	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1183		1520
1184	Sends an ext event to the client.	1521	Sends an ext event to the client.
1185		1522
1186	=cut	1523	=cut
1187		1524
1188	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1190		1527
1191	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1192	}	1529	}
1193		1530
1194	=head3 cf::region	1531	=head3 cf::region
1195		1532
1196	=over 4	1533	=over 4
…		…
1199		1536
1200	package cf::region;	1537	package cf::region;
1201		1538
1202	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1203		1540
1204	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1205		1542
1206	=cut	1543	=cut
1207		1544
1208	sub find_by_path($) {	1545	sub find_by_path($) {
1209	my ($path) = @_;	1546	my ($path) = @_;
1210		1547
1211	my ($match, $specificity);	1548	my ($match, $specificity);
1212		1549
1213	for my $region (list) {	1550	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1217	}	1554	}
1218	}	1555	}
1219		1556
…		…
1283	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1284		1621
1285	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1286	local $self->{path};	1623	local $self->{path};
1287	local $self->{load_path};	1624	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1625
1291	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1292	}	1627	}
1293		1628
1294	sub normalise {	1629	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1342	return $self;	1677	return $self;
1343	}	1678	}
1344	}	1679	}
1345		1680
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1682	()
1348	}	1683	}
1349		1684
1350	sub init {	1685	sub init {
1351	my ($self) = @_;	1686	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1727	sub change_all_map_light {
1393	my ($change) = @_;	1728	my ($change) = @_;
1394		1729
1395	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1396	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	$self->do_decay_objects;
1397	}	1740	}
1398		1741
1399	sub unlink_save {	1742	sub unlink_save {
1400	my ($self) = @_;	1743	my ($self) = @_;
1401		1744
…		…
1459	$self->load_header_orig	1802	$self->load_header_orig
1460	or return;	1803	or return;
1461	$self->prepare_orig;	1804	$self->prepare_orig;
1462	}	1805	}
1463		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1464	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1811	unless $self->default_region;
1466		1812
1467	1	1813	1
1468	}	1814	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1484		1830
1485	$map->load_header	1831	$map->load_header
1486	or return;	1832	or return;
1487		1833
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1837	$map->reset;
1492	undef $guard;	1838	undef $guard;
1493	return find $path;	1839	return find $path;
…		…
1548	$self->set_darkness_map;	1894	$self->set_darkness_map;
1549	Coro::cede;	1895	Coro::cede;
1550	$self->activate;	1896	$self->activate;
1551	}	1897	}
1552		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1903	}
1555		1904
1556	$self->post_load;	1905	$self->post_load;
1557	}	1906	}
…		…
1560	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1561		1910
1562	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1912	if $self->per_player;
1564		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1565	$self	1917	$self
1566	}	1918	}
1567		1919
1568	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1921	sub load_neighbours {
1570	my ($map) = @_;	1922	my ($map) = @_;
1571		1923
1572	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1573		1925
1574	for (0 .. 3) {	1926	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1576	or next;	1928	or next;
1577	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1578	or next;	1930	or next;
1579	$neigh->load;	1931	$neigh->load;
1580		1932
		1933	push @neigh,
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}	1936	}
1584		1937
1585	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1586	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1587	or next;	1941	or next;
1588	$neigh->load;	1942	$neigh->load;
1589	}	1943	}
1590	}	1944	}
1591		1945
…		…
1615		1969
1616	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1617	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1620	my $map = find $path	1974	if (my $map = find $path) {
1621	or next;
1622	$map->load;	1975	$map->load;
		1976	}
1623		1977
1624	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1625	}	1979	}
1626	}	1980	}
1627	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1679		2033
1680	sub reset_at {	2034	sub reset_at {
1681	my ($self) = @_;	2035	my ($self) = @_;
1682		2036
1683	# TODO: safety, remove and allow resettable per-player maps	2037	# 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};	2038	return 1e99 if $self->{deny_reset};
1686		2039
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2042
…		…
1700	my ($self) = @_;	2053	my ($self) = @_;
1701		2054
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2056
1704	return if $self->players;	2057	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2058
1707	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1708		2060
1709	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1710		2062
1711	# need to save uniques path	2063	# need to save uniques path
1712	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1745		2097
1746	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1747	}	2099	}
1748		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1749	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1750		2138
1751	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2140	instantiated unique items. May block.
1753		2141
1754	=cut	2142	=cut
1755		2143
1756	sub unique_maps() {	2144	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2145	[
1758	or return;	2146	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2147	utf8::decode $_;
1764	next if /\.pst$/;	2148	/\.map$/
1765	next unless /^$PATH_SEP/o;	2149	? normalise $_
1766		2150	: ()
1767	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2152	]
1769
1770	\@paths
1771	}	2153	}
1772		2154
1773	package cf;	2155	package cf;
1774		2156
1775	=back	2157	=back
…		…
1821		2203
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2205
1824	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1826	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1829	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1830	}	2231	}
1831		2232
1832	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1833		2234
1834	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1882		2283
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2285
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1887		2288
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2290	}
1890		2291
1891	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1893		2296
1894	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1895		2298
1896	unless ($map) {	2299	unless ($map) {
1897	# restore original map position	2300	# restore original map position
…		…
1911	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1914		2317
1915	$map->load;	2318	$map->load;
1916	$map->load_diag;	2319	$map->load_neighbours;
1917		2320
1918	return unless $self->contr->active;	2321	return unless $self->contr->active;
1919	$self->activate_recursive;	2322	$self->activate_recursive;
1920		2323
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1923	}	2326	}
1924		2327
1925	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2329
1929	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1933	};	2334	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1960		2339
1961	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2345
1964	$self->enter_link;	2346	$self->enter_link;
1965		2347
1966	(async {	2348	(async {
1967	my $map = eval {	2349	my $map = eval {
1968	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1970	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2365	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1975	})->prio (1);	2373	})->prio (1);
1976	}	2374	}
1977		2375
1978	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1979		2377
…		…
2048	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2050		2448
2051	$self->enter_link;	2449	$self->enter_link;
2052		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
		2454
2053	(async {	2455	(async {
2054	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2457	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
2057		2459
…		…
2084		2486
2085	utf8::encode $text;	2487	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2489	}
2088		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
2089	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2090		2554
2091	Sends an exti event to the client.	2555	Sends an ext event to the client.
2092		2556
2093	=cut	2557	=cut
2094		2558
2095	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2097		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($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	}
2100	}	2570	}
2101		2571
2102	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2103		2573
2104	Queues a query to the client, calling the given callback with	2574	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>,	2575	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>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2577
2108	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2579	become reliable at some point in the future.
2110		2580
2111	=cut	2581	=cut
2112		2582
2113	sub cf::client::query {	2583	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2592	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2594
2125	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2127	}	2599	}
2128		2600
2129	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2130	on_reply => sub {	2607	on_reply => sub {
2131	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2132		2609
2133	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2134	# get handled first	2611	# get handled first
…		…
2146	} else {	2623	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2625	}
2149	}	2626	}
2150	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2151	);	2651	);
2152		2652
2153	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2154		2654
2155	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2198		2698
2199	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2200		2700
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2202		2706
2203	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2204		2708
2205	=pod	2709	=pod
2206		2710
2207	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2208		2712
2209	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2210	cf::object::player player	2717	cf::object::player
2211	cf::player peaceful	2718	player
2212	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2213		2725
2214	=cut	2726	=cut
2215		2727
2216	for (	2728	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2218	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2221	) {	2734	) {
2222	no strict 'refs';	2735	no strict 'refs';
…		…
2293	=back	2806	=back
2294		2807
2295	=cut	2808	=cut
2296		2809
2297	#############################################################################	2810	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$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 $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2811	# the server's init and main functions
2473		2812
2474	sub load_facedata($) {	2813	sub load_facedata($) {
2475	my ($path) = @_;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2476		2817
2477	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2478		2819
2479	my $facedata;	2820	my $facedata;
2480	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
…		…
2483	$facedata = Coro::Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2484		2825
2485	$facedata->{version} == 2	2826	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		2828
		2829	# patch in the exptable
		2830	$facedata->{resource}{"res/exp_table"} = {
		2831	type => FT_RSRC,
		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2833	};
		2834	cf::cede_to_tick;
		2835
2488	{	2836	{
2489	my $faces = $facedata->{faceinfo};	2837	my $faces = $facedata->{faceinfo};
2490		2838
2491	while (my ($face, $info) = each %$faces) {	2839	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2841	cf::face::set_visibility $idx, $info->{visibility};
		2842	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2496	Coro::cede;	2845
		2846	cf::cede_to_tick;
2497	}	2847	}
2498		2848
2499	while (my ($face, $info) = each %$faces) {	2849	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2850	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2851	my $idx = cf::face::find $face
2502	or next;	2852	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2856	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2858	}
2508	Coro::cede;	2859
		2860	cf::cede_to_tick;
2509	}	2861	}
2510	}	2862	}
2511		2863
2512	{	2864	{
2513	my $anims = $facedata->{animinfo};	2865	my $anims = $facedata->{animinfo};
2514		2866
2515	while (my ($anim, $info) = each %$anims) {	2867	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2869	cf::cede_to_tick;
2518	}	2870	}
2519		2871
2520	cf::anim::invalidate_all; # d'oh	2872	cf::anim::invalidate_all; # d'oh
2521	}	2873	}
2522		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
2523	1	2922	1
2524	}	2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
2525		2932
2526	sub reload_regions {	2933	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2934	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
2529	}	2941	}
2530		2942
2531	sub reload_facedata {	2943	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2944	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2945	or die "unable to load facedata\n";
2534	}	2946	}
2535		2947
2536	sub reload_archetypes {	2948	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2949	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
2539	}	2956	}
2540		2957
2541	sub reload_treasures {	2958	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2959	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2960	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2963	sub reload_resources {
2547	warn "reloading resource files...\n";	2964	warn "reloading resource files...\n";
2548		2965
2549	reload_regions;	2966	reload_regions;
2550	reload_facedata;	2967	reload_facedata;
		2968	#reload_archetypes;#d#
2551	reload_archetypes;	2969	reload_archetypes;
2552	reload_treasures;	2970	reload_treasures;
2553		2971
2554	warn "finished reloading resource files\n";	2972	warn "finished reloading resource files\n";
2555	}	2973	}
…		…
2612	},	3030	},
2613	);	3031	);
2614	}	3032	}
2615	}	3033	}
2616		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2617	sub emergency_save() {	3073	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2619		3075
2620	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2621		3077
…		…
2696	%EXT_CORO = ();	3152	%EXT_CORO = ();
2697		3153
2698	warn "removing commands";	3154	warn "removing commands";
2699	%COMMAND = ();	3155	%COMMAND = ();
2700		3156
2701	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2703		3160
2704	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2707		3164
…		…
2825	my $signal = new Coro::Signal;	3282	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3283	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3284	$signal->wait;
2828	}	3285	}
2829		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3290	reentrant => 0,
2832	parked => 1,	3291	parked => 1,
2833	prio => 0,	3292	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3298	unless ++$bug_warning > 10;
2840	return;	3299	return;
2841	}	3300	}
2842		3301
2843	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2844		3303
2845	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
2846		3328
2847	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2849		3331
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3338	}
2857		3339
2858	# my $AFTER = Event::time;	3340	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3341	# warn $AFTER - $NOW;#d#
2860		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2861	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3354
2864	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
2866		3357
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3358	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3360
2874	_post_tick;	3361	_post_tick;
		3362
		3363
2875	},	3364	},
2876	);	3365	);
2877		3366
2878	{	3367	{
2879	BDB::max_poll_time $TICK * 0.1;	3368	BDB::max_poll_time $TICK * 0.1;

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