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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.344 by root, Mon Aug 27 02:43:38 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 $guard = cf::lock_acquire "write_runtime";
373		470
374	my $runtime = "$LOCALDIR/runtime";	471	Executes the given code block with the given arguments in a seperate
		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.
375		475
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
377	or return;
378		477
379	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		480
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
384	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
385		484
386	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	486	reset_signals;
388	and return;	487	&$cb
		488	}, @args;
389		489
390	close $fh	490	wantarray ? @res : $res[-1]
391	or return;	491	}
392		492
393	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
394	and return;
395		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		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	};
396	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"
397	}	607	}
398		608
399	=item cf::datalog type => key => value, ...	609	=item cf::datalog type => key => value, ...
400		610
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
421		631
422	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>
423	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
424	crossfire+).	634	Crossfire TRT).
425		635
426	=over 4	636	=over 4
427		637
428	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
429		639
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
593		803
594	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		808
599	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	810	my $pkg = shift @arg;
601		811
602	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
632	}	842	}
633		843
634	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
635	} else {	845	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	847	}
638		848
639	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
640	}	850	}
641		851
…		…
643	if (ref $_[0]) {	853	if (ref $_[0]) {
644	_object_attach @_;	854	_object_attach @_;
645	} else {	855	} else {
646	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
647	}	857	}
		858	_recalc_want;
648	};	859	};
649		860
650	# all those should be optimised	861	# all those should be optimised
651	sub cf::attachable::detach {	862	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
656	reattach ($obj);	867	reattach ($obj);
657	} else {	868	} else {
658	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
659	}	870	}
		871	_recalc_want;
660	};	872	};
661		873
662	sub cf::attachable::attached {	874	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
664		876
…		…
679	";	891	";
680	die if $@;	892	die if $@;
681	}	893	}
682		894
683	our $override;	895	our $override;
684	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?
685		897
686	sub override {	898	sub override {
687	$override = 1;	899	$override = 1;
688	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
689	}	901	}
690		902
691	sub do_invoke {	903	sub do_invoke {
692	my $event = shift;	904	my $event = shift;
693	my $callbacks = shift;	905	my $callbacks = shift;
694		906
695	@invoke_results = ();	907	@INVOKE_RESULTS = ();
696		908
697	local $override;	909	local $override;
698		910
699	for (@$callbacks) {	911	for (@$callbacks) {
700	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
717		929
718	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
719		931
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		935
724	=back	936	=back
725		937
726	=cut	938	=cut
727		939
728	#############################################################################	940	#############################################################################
729	# 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	}
730		953
731	sub reattach {	954	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	956	my ($obj) = @_;
734		957
…		…
837	or return;	1060	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1062	}
840		1063
841	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
843	return ($data, $av);	1066	return ($data, $av);
844	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
845		1074
846	#############################################################################	1075	#############################################################################
847	# command handling &c	1076	# command handling &c
848		1077
849	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1092	}
864		1093
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1095
867	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.
868		1101
869	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
870	called.	1103	called.
871		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
872	=cut	1116	=cut
873		1117
874	sub register_extcmd {	1118	sub register_extcmd {
875	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
876		1120
877	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
878	}	1128	}
879		1129
880	cf::player->attach (	1130	cf::player->attach (
881	on_command => sub {	1131	on_command => sub {
882	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1141	cf::override;
892	},	1142	},
893	on_extcmd => sub {	1143	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
895		1145
896	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1147
898	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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
904	} else {	1163	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1165	}
907		1166
908	cf::override;	1167	cf::override;
909	},	1168	},
910	);	1169	);
911		1170
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
947	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1176	next unless -r $path;
949	eval {	1177
950	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;
951	1	1235	}
952	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
953	}	1241	};
954	}	1242	}
955		1243
956	#############################################################################	1244	#############################################################################
		1245
		1246	=back
957		1247
958	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
959		1249
960	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
961		1251
…		…
1048	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1049		1339
1050	$self	1340	$self
1051	}	1341	}
1052		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 (@_);
		1351	}
		1352
1053	=item $pl->quit_character	1353	=item $pl->quit_character
1054		1354
1055	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
1056	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1057		1357
…		…
1149	}	1449	}
1150		1450
1151	\@paths	1451	\@paths
1152	}	1452	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1155		1505
1156	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1157		1507
1158	=cut	1508	=cut
1159		1509
1160	sub ext_reply($$%) {	1510	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1162		1512
1163	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1514	}
1167		1515
1168	=item $player->ext_event ($type, %msg)	1516	=item $player->ext_msg ($type, @msg)
1169		1517
1170	Sends an ext event to the client.	1518	Sends an ext event to the client.
1171		1519
1172	=cut	1520	=cut
1173		1521
1174	sub ext_event($$%) {	1522	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1523	my ($self, $type, @msg) = @_;
1176		1524
1177	$self->ns->ext_event ($type, %msg);	1525	$self->ns->ext_msg ($type, @msg);
1178	}	1526	}
1179		1527
1180	=head3 cf::region	1528	=head3 cf::region
1181		1529
1182	=over 4	1530	=over 4
…		…
1185		1533
1186	package cf::region;	1534	package cf::region;
1187		1535
1188	=item cf::region::find_by_path $path	1536	=item cf::region::find_by_path $path
1189		1537
1190	Tries to decuce the probable region for a map knowing only its path.	1538	Tries to decuce the likely region for a map knowing only its path.
1191		1539
1192	=cut	1540	=cut
1193		1541
1194	sub find_by_path($) {	1542	sub find_by_path($) {
1195	my ($path) = @_;	1543	my ($path) = @_;
1196		1544
1197	my ($match, $specificity);	1545	my ($match, $specificity);
1198		1546
1199	for my $region (list) {	1547	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1548	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1549	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1550	if $region->specificity > $specificity;
1203	}	1551	}
1204	}	1552	}
1205		1553
…		…
1269	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1270		1618
1271	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1272	local $self->{path};	1620	local $self->{path};
1273	local $self->{load_path};	1621	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1622
1277	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1278	}	1624	}
1279		1625
1280	sub normalise {	1626	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1328	return $self;	1674	return $self;
1329	}	1675	}
1330	}	1676	}
1331		1677
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1679	()
1334	}	1680	}
1335		1681
1336	sub init {	1682	sub init {
1337	my ($self) = @_;	1683	my ($self) = @_;
…		…
1378	sub change_all_map_light {	1724	sub change_all_map_light {
1379	my ($change) = @_;	1725	my ($change) = @_;
1380		1726
1381	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1382	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	$self->do_decay_objects;
1383	}	1737	}
1384		1738
1385	sub unlink_save {	1739	sub unlink_save {
1386	my ($self) = @_;	1740	my ($self) = @_;
1387		1741
…		…
1445	$self->load_header_orig	1799	$self->load_header_orig
1446	or return;	1800	or return;
1447	$self->prepare_orig;	1801	$self->prepare_orig;
1448	}	1802	}
1449		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
1450	$self->default_region (cf::region::find_by_path $self->{path})	1807	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1808	unless $self->default_region;
1452		1809
1453	1	1810	1
1454	}	1811	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1470		1827
1471	$map->load_header	1828	$map->load_header
1472	or return;	1829	or return;
1473		1830
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1834	$map->reset;
1478	undef $guard;	1835	undef $guard;
1479	return find $path;	1836	return find $path;
…		…
1534	$self->set_darkness_map;	1891	$self->set_darkness_map;
1535	Coro::cede;	1892	Coro::cede;
1536	$self->activate;	1893	$self->activate;
1537	}	1894	}
1538		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1900	}
1543		1901
1544	$self->post_load;	1902	$self->post_load;
1545	}	1903	}
1546		1904
…		…
1548	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1549		1907
1550	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1909	if $self->per_player;
1552		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1553	$self	1914	$self
1554	}	1915	}
1555		1916
1556	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {	1918	sub load_neighbours {
1558	my ($map) = @_;	1919	my ($map) = @_;
1559		1920
1560	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1561		1922
1562	for (0 .. 3) {	1923	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1564	or next;	1925	or next;
1565	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1566	or next;	1927	or next;
1567	$neigh->load;	1928	$neigh->load;
1568		1929
		1930	push @neigh,
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}	1933	}
1572		1934
1573	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1574	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1575	or next;	1938	or next;
1576	$neigh->load;	1939	$neigh->load;
1577	}	1940	}
1578	}	1941	}
1579		1942
…		…
1584	}	1947	}
1585		1948
1586	sub do_load_sync {	1949	sub do_load_sync {
1587	my ($map) = @_;	1950	my ($map) = @_;
1588		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1589	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1590	}	1956	}
1591		1957
1592	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1594		1960
1595	sub find_async {	1961	sub find_async {
1596	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1597		1963
1598	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1599		1965
1600	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1602	}	1968	}
1603		1969
1604	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1605	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	1975	if (my $map = find $k) {
1609	or next;
1610	$map->load;	1976	$map->load if $v;
		1977	}
1611		1978
1612	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1613	}	1980	}
1614	}	1981	}
1615	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1616	};	1983	};
1617	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1667		2034
1668	sub reset_at {	2035	sub reset_at {
1669	my ($self) = @_;	2036	my ($self) = @_;
1670		2037
1671	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1674		2040
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		2043
…		…
1688	my ($self) = @_;	2054	my ($self) = @_;
1689		2055
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2057
1692	return if $self->players;	2058	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2059
1695	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1696		2061
1697	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1698		2063
1699	# need to save uniques path	2064	# need to save uniques path
1700	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1732	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1733		2098
1734	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1735	}	2100	}
1736		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1737	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1738		2139
1739	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2141	instantiated unique items. May block.
1741		2142
1742	=cut	2143	=cut
1743		2144
1744	sub unique_maps() {	2145	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2146	[
1746	or return;	2147	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2148	utf8::decode $_;
1752	next if /\.pst$/;	2149	/\.map$/
1753	next unless /^$PATH_SEP/o;	2150	? normalise $_
1754		2151	: ()
1755	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2153	]
1757
1758	\@paths
1759	}	2154	}
1760		2155
1761	package cf;	2156	package cf;
1762		2157
1763	=back	2158	=back
…		…
1809		2204
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2206
1812	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1814	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1817	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1818	}	2232	}
1819		2233
1820	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1821		2235
1822	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1869	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1870		2284
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2286
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1875		2289
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2291	}
1878		2292
1879	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1881		2297
1882	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1883		2299
1884	unless ($map) {	2300	unless ($map) {
1885	# restore original map position	2301	# restore original map position
…		…
1899	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1902		2318
1903	$map->load;	2319	$map->load;
1904	$map->load_diag;	2320	$map->load_neighbours;
1905		2321
1906	return unless $self->contr->active;	2322	return unless $self->contr->active;
1907	$self->activate_recursive;	2323	$self->activate_recursive;
1908		2324
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1911	}	2327	}
1912		2328
1913	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2330
1917	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1921	};	2335	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2336
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1948		2340
1949	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2346
1952	$self->enter_link;	2347	$self->enter_link;
1953		2348
1954	(async {	2349	(async {
1955	my $map = eval {	2350	my $map = eval {
1956	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1958	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2366	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1963	})->prio (1);	2374	})->prio (1);
1964	}	2375	}
1965		2376
1966	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1967		2378
…		…
2036	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
2038		2449
2039	$self->enter_link;	2450	$self->enter_link;
2040		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
		2455
2041	(async {	2456	(async {
2042	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2458	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
2045		2460
…		…
2072		2487
2073	utf8::encode $text;	2488	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2490	}
2076		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
2077	=item $client->ext_event ($type, %msg)	2554	=item $client->ext_msg ($type, @msg)
2078		2555
2079	Sends an exti event to the client.	2556	Sends an ext event to the client.
2080		2557
2081	=cut	2558	=cut
2082		2559
2083	sub cf::client::ext_event($$%) {	2560	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	2561	my ($self, $type, @msg) = @_;
2085		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
2086	$msg{msgtype} = "event_$type";	2566	push @msg, msgtype => "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
2088	}	2587	}
2089		2588
2090	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
2091		2590
2092	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2594
2096	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2596	become reliable at some point in the future.
2098		2597
2099	=cut	2598	=cut
2100		2599
2101	sub cf::client::query {	2600	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2609	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2611
2113	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
2115	}	2616	}
2116		2617
2117	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
2118	on_reply => sub {	2624	on_reply => sub {
2119	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
2120		2626
2121	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
2122	# get handled first	2628	# get handled first
…		…
2134	} else {	2640	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2642	}
2137	}	2643	}
2138	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
2139	);	2671	);
2140		2672
2141	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
2142		2674
2143	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2184	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2186		2718
2187	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2188		2720
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2190		2726
2191	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2192		2728
2193	=pod	2729	=pod
2194		2730
2195	The following functions and methods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2196		2732
2197	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2198	cf::object::player player	2737	cf::object::player
2199	cf::player peaceful	2738	player
2200	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2201		2745
2202	=cut	2746	=cut
2203		2747
2204	for (	2748	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2206	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2209	) {	2755	) {
2210	no strict 'refs';	2756	no strict 'refs';
…		…
2281	=back	2827	=back
2282		2828
2283	=cut	2829	=cut
2284		2830
2285	#############################################################################	2831	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2832	# the server's init and main functions
2460		2833
2461	sub load_facedata($) {	2834	sub load_facedata($) {
2462	my ($path) = @_;	2835	my ($path) = @_;
		2836
		2837	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2463		2838
2464	warn "loading facedata from $path\n";	2839	warn "loading facedata from $path\n";
2465		2840
2466	my $facedata;	2841	my $facedata;
2467	0 < aio_load $path, $facedata	2842	0 < aio_load $path, $facedata
…		…
2470	$facedata = Coro::Storable::thaw $facedata;	2845	$facedata = Coro::Storable::thaw $facedata;
2471		2846
2472	$facedata->{version} == 2	2847	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
2474		2849
		2850	# patch in the exptable
		2851	$facedata->{resource}{"res/exp_table"} = {
		2852	type => FT_RSRC,
		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2854	};
		2855	cf::cede_to_tick;
		2856
2475	{	2857	{
2476	my $faces = $facedata->{faceinfo};	2858	my $faces = $facedata->{faceinfo};
2477		2859
2478	while (my ($face, $info) = each %$faces) {	2860	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2862	cf::face::set_visibility $idx, $info->{visibility};
		2863	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2483	Coro::cede;	2866
		2867	cf::cede_to_tick;
2484	}	2868	}
2485		2869
2486	while (my ($face, $info) = each %$faces) {	2870	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	2871	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	2872	my $idx = cf::face::find $face
2489	or next;	2873	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	2877	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	2879	}
2495	Coro::cede;	2880
		2881	cf::cede_to_tick;
2496	}	2882	}
2497	}	2883	}
2498		2884
2499	{	2885	{
2500	my $anims = $facedata->{animinfo};	2886	my $anims = $facedata->{animinfo};
2501		2887
2502	while (my ($anim, $info) = each %$anims) {	2888	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	2890	cf::cede_to_tick;
2505	}	2891	}
2506		2892
2507	cf::anim::invalidate_all; # d'oh	2893	cf::anim::invalidate_all; # d'oh
2508	}	2894	}
2509		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
2510	1	2945	1
2511	}	2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
2512		2955
2513	sub reload_regions {	2956	sub reload_regions {
2514	load_resource_file "$MAPDIR/regions"	2957	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
2516	}	2964	}
2517		2965
2518	sub reload_facedata {	2966	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	2967	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	2968	or die "unable to load facedata\n";
2521	}	2969	}
2522		2970
2523	sub reload_archetypes {	2971	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	2972	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
2526	}	2979	}
2527		2980
2528	sub reload_treasures {	2981	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	2982	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	2983	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	2986	sub reload_resources {
2534	warn "reloading resource files...\n";	2987	warn "reloading resource files...\n";
2535		2988
2536	reload_regions;	2989	reload_regions;
2537	reload_facedata;	2990	reload_facedata;
		2991	#reload_archetypes;#d#
2538	reload_archetypes;	2992	reload_archetypes;
2539	reload_treasures;	2993	reload_treasures;
2540		2994
2541	warn "finished reloading resource files\n";	2995	warn "finished reloading resource files\n";
2542	}	2996	}
…		…
2599	},	3053	},
2600	);	3054	);
2601	}	3055	}
2602	}	3056	}
2603		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2604	sub emergency_save() {	3096	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2606		3098
2607	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2608		3100
…		…
2683	%EXT_CORO = ();	3175	%EXT_CORO = ();
2684		3176
2685	warn "removing commands";	3177	warn "removing commands";
2686	%COMMAND = ();	3178	%COMMAND = ();
2687		3179
2688	warn "removing ext commands";	3180	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2690		3183
2691	warn "unloading/nuking all extensions";	3184	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2694		3187
…		…
2812	my $signal = new Coro::Signal;	3305	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3306	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3307	$signal->wait;
2815	}	3308	}
2816		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3313	reentrant => 0,
2819	parked => 1,	3314	parked => 1,
2820	prio => 0,	3315	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3321	unless ++$bug_warning > 10;
2827	return;	3322	return;
2828	}	3323	}
2829		3324
2830	$NOW = Event::time;	3325	$NOW = $tick_start = Event::time;
2831		3326
2832	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
2833		3351
2834	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2836		3354
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3361	}
2844		3362
2845	# my $AFTER = Event::time;	3363	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3364	# warn $AFTER - $NOW;#d#
2847		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
		3374
2848	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3377
2851	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
2853		3380
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3381	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3383
2861	_post_tick;	3384	_post_tick;
		3385
		3386
2862	},	3387	},
2863	);	3388	);
2864		3389
2865	{	3390	{
2866	BDB::max_poll_time $TICK * 0.1;	3391	BDB::max_poll_time $TICK * 0.1;
…		…
2925	prio => 6,	3450	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3451	cb => \&IO::AIO::poll_cb,
2927	);	3452	);
2928	}	3453	}
2929		3454
		3455	my $_log_backtrace;
		3456
		3457	sub _log_backtrace {
		3458	my ($msg, @addr) = @_;
		3459
		3460	$msg =~ s/\n//;
		3461
		3462	# limit the # of concurrent backtraces
		3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
		3490	}
		3491	}
		3492
2930	# load additional modules	3493	# load additional modules
2931	use cf::pod;	3494	use cf::pod;
2932		3495
2933	END { cf::emergency_save }	3496	END { cf::emergency_save }
2934		3497

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