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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.257 by root, Sat Apr 21 17:34:24 2007 UTC vs.
Revision 1.334 by root, Mon Aug 20 22:09:04 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 $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
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
901	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
902	}	1158	if $reply;
903	}	1159	}
904	} else {	1160	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1162	}
907		1163
908	cf::override;	1164	cf::override;
909	},	1165	},
910	);	1166	);
911		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
947	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1173	next unless -r $path;
949	eval {	1174
950	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;
951	1	1232	}
952	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
953	}	1238	};
954	}	1239	}
955		1240
956	#############################################################################	1241	#############################################################################
		1242
		1243	=back
957		1244
958	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
959		1246
960	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
961		1248
…		…
1048	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1049		1336
1050	$self	1337	$self
1051	}	1338	}
1052		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
1053	=item $pl->quit_character	1350	=item $pl->quit_character
1054		1351
1055	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
1056	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1057		1354
…		…
1149	}	1446	}
1150		1447
1151	\@paths	1448	\@paths
1152	}	1449	}
1153		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
1154	=item $player->ext_reply ($msgid, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1155		1502
1156	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1157		1504
1158	=cut	1505	=cut
1159		1506
1160	sub ext_reply($$%) {	1507	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1162		1509
1163	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1164		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1165	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1166	}	1517	}
1167		1518
1168	=item $player->ext_event ($type, %msg)	1519	=item $player->ext_msg ($type, @msg)
1169		1520
1170	Sends an ext event to the client.	1521	Sends an ext event to the client.
1171		1522
1172	=cut	1523	=cut
1173		1524
1174	sub ext_event($$%) {	1525	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1526	my ($self, $type, @msg) = @_;
1176		1527
1177	$self->ns->ext_event ($type, %msg);	1528	$self->ns->ext_msg ($type, @msg);
1178	}	1529	}
1179		1530
1180	=head3 cf::region	1531	=head3 cf::region
1181		1532
1182	=over 4	1533	=over 4
…		…
1185		1536
1186	package cf::region;	1537	package cf::region;
1187		1538
1188	=item cf::region::find_by_path $path	1539	=item cf::region::find_by_path $path
1189		1540
1190	Tries to decuce the probable region for a map knowing only its path.	1541	Tries to decuce the likely region for a map knowing only its path.
1191		1542
1192	=cut	1543	=cut
1193		1544
1194	sub find_by_path($) {	1545	sub find_by_path($) {
1195	my ($path) = @_;	1546	my ($path) = @_;
1196		1547
1197	my ($match, $specificity);	1548	my ($match, $specificity);
1198		1549
1199	for my $region (list) {	1550	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1551	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1552	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1553	if $region->specificity > $specificity;
1203	}	1554	}
1204	}	1555	}
1205		1556
…		…
1269	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1270		1621
1271	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1272	local $self->{path};	1623	local $self->{path};
1273	local $self->{load_path};	1624	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1625
1277	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1278	}	1627	}
1279		1628
1280	sub normalise {	1629	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1328	return $self;	1677	return $self;
1329	}	1678	}
1330	}	1679	}
1331		1680
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1682	()
1334	}	1683	}
1335		1684
1336	sub init {	1685	sub init {
1337	my ($self) = @_;	1686	my ($self) = @_;
…		…
1378	sub change_all_map_light {	1727	sub change_all_map_light {
1379	my ($change) = @_;	1728	my ($change) = @_;
1380		1729
1381	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1382	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	$self->do_decay_objects;
1383	}	1740	}
1384		1741
1385	sub unlink_save {	1742	sub unlink_save {
1386	my ($self) = @_;	1743	my ($self) = @_;
1387		1744
…		…
1445	$self->load_header_orig	1802	$self->load_header_orig
1446	or return;	1803	or return;
1447	$self->prepare_orig;	1804	$self->prepare_orig;
1448	}	1805	}
1449		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
1450	$self->default_region (cf::region::find_by_path $self->{path})	1810	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1811	unless $self->default_region;
1452		1812
1453	1	1813	1
1454	}	1814	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1470		1830
1471	$map->load_header	1831	$map->load_header
1472	or return;	1832	or return;
1473		1833
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1837	$map->reset;
1478	undef $guard;	1838	undef $guard;
1479	return find $path;	1839	return find $path;
…		…
1534	$self->set_darkness_map;	1894	$self->set_darkness_map;
1535	Coro::cede;	1895	Coro::cede;
1536	$self->activate;	1896	$self->activate;
1537	}	1897	}
1538		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
1540	}	1903	}
1541		1904
1542	$self->post_load;	1905	$self->post_load;
1543	}	1906	}
…		…
1546	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1547		1910
1548	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	1912	if $self->per_player;
1550		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1551	$self	1917	$self
1552	}	1918	}
1553		1919
1554	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {	1921	sub load_neighbours {
1556	my ($map) = @_;	1922	my ($map) = @_;
1557		1923
1558	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1559		1925
1560	for (0 .. 3) {	1926	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1562	or next;	1928	or next;
1563	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1564	or next;	1930	or next;
1565	$neigh->load;	1931	$neigh->load;
1566		1932
		1933	push @neigh,
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}	1936	}
1570		1937
1571	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1572	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1573	or next;	1941	or next;
1574	$neigh->load;	1942	$neigh->load;
1575	}	1943	}
1576	}	1944	}
1577		1945
…		…
1601		1969
1602	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1603	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1604	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1606	my $map = find $path	1974	if (my $map = find $path) {
1607	or next;
1608	$map->load;	1975	$map->load;
		1976	}
1609		1977
1610	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1611	}	1979	}
1612	}	1980	}
1613	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1665		2033
1666	sub reset_at {	2034	sub reset_at {
1667	my ($self) = @_;	2035	my ($self) = @_;
1668		2036
1669	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1672		2039
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2042
…		…
1686	my ($self) = @_;	2053	my ($self) = @_;
1687		2054
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2056
1690	return if $self->players;	2057	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2058
1693	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1694		2060
1695	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1696		2062
1697	# need to save uniques path	2063	# need to save uniques path
1698	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1730	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1731		2097
1732	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1733	}	2099	}
1734		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
1735	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1736		2138
1737	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2140	instantiated unique items. May block.
1739		2141
1740	=cut	2142	=cut
1741		2143
1742	sub unique_maps() {	2144	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2145	[
1744	or return;	2146	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2147	utf8::decode $_;
1750	next if /\.pst$/;	2148	/\.map$/
1751	next unless /^$PATH_SEP/o;	2149	? normalise $_
1752		2150	: ()
1753	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2152	]
1755
1756	\@paths
1757	}	2153	}
1758		2154
1759	package cf;	2155	package cf;
1760		2156
1761	=back	2157	=back
…		…
1807		2203
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2205
1810	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1815	}	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 (@_);
1816	}	2231	}
1817		2232
1818	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1819		2234
1820	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1862	}	2277	}
1863		2278
1864	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2280	my ($self) = @_;
1866		2281
		2282	$self->deactivate_recursive;
		2283
1867	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1868		2285
1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1870	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1871		2288
1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1873	}	2290	}
1874		2291
1875	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1876	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1877		2296
1878	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1879		2298
1880	unless ($map) {	2299	unless ($map) {
1881	# restore original map position	2300	# restore original map position
…		…
1895	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1896	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1897	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1898		2317
1899	$map->load;	2318	$map->load;
1900	$map->load_diag;	2319	$map->load_neighbours;
1901		2320
1902	return unless $self->contr->active;	2321	return unless $self->contr->active;
1903	$self->activate_recursive;	2322	$self->activate_recursive;
1904		2323
1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1906	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1907	}	2326	}
1908		2327
1909	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1910	on_logout => sub {
1911	my ($pl) = @_;
1912		2329
1913	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1914	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1915	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1916	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1917	};	2334	be called at the end of this process.
1918	}
1919	},
1920	on_login => sub {
1921	my ($pl) = @_;
1922		2335
1923	# try to abort aborted map switching on player login :)
1924	# should happen only on crashes
1925	if ($pl->ob->{_link_pos}) {
1926	$pl->ob->enter_link;
1927	(async {
1928	$pl->ob->reply (undef,
1929	"There was an internal problem at your last logout, "
1930	. "the server will try to bring you to your intended destination in a second.",
1931	cf::NDI_RED);
1932	# we need this sleep as the login has a concurrent enter_exit running
1933	# and this sleep increases chances of the player not ending up in scorn
1934	Coro::Timer::sleep 1;
1935	$pl->ob->leave_link;
1936	})->prio (2);
1937	}
1938	},
1939	);
1940
1941	=item $player_object->goto ($path, $x, $y)
1942
1943	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1944		2339
1945	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1946	my ($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;
1947		2345
1948	$self->enter_link;	2346	$self->enter_link;
1949		2347
1950	(async {	2348	(async {
1951	my $map = eval {	2349	my $map = eval {
1952	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1953	$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
1954	$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 $@;
1955	} or	2365	}
1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1957		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1958	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1959	})->prio (1);	2373	})->prio (1);
1960	}	2374	}
1961		2375
1962	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1963		2377
…		…
2032	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
2033	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
2034		2448
2035	$self->enter_link;	2449	$self->enter_link;
2036		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
2037	(async {	2455	(async {
2038	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
2039	unless (eval {	2457	unless (eval {
2040	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
2041		2459
…		…
2068		2486
2069	utf8::encode $text;	2487	utf8::encode $text;
2070	$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);
2071	}	2489	}
2072		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
2073	=item $client->ext_event ($type, %msg)	2553	=item $client->ext_msg ($type, @msg)
2074		2554
2075	Sends an exti event to the client.	2555	Sends an ext event to the client.
2076		2556
2077	=cut	2557	=cut
2078		2558
2079	sub cf::client::ext_event($$%) {	2559	sub cf::client::ext_msg($$@) {
2080	my ($self, $type, %msg) = @_;	2560	my ($self, $type, @msg) = @_;
2081		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
2082	$msg{msgtype} = "event_$type";	2567	push @msg, msgtype => "event_$type";
2083	$self->send_packet ("ext " . cf::to_json \%msg);	2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
2084	}	2570	}
2085		2571
2086	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
2087		2573
2088	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
2089	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>,
2090	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>.
2091		2577
2092	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
2093	reliable at some point in the future.	2579	become reliable at some point in the future.
2094		2580
2095	=cut	2581	=cut
2096		2582
2097	sub cf::client::query {	2583	sub cf::client::query {
2098	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2106	utf8::encode $text;	2592	utf8::encode $text;
2107	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2108		2594
2109	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2110	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2111	}	2599	}
2112		2600
2113	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2114	on_reply => sub {	2607	on_reply => sub {
2115	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2116		2609
2117	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2118	# get handled first	2611	# get handled first
…		…
2130	} else {	2623	} else {
2131	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2132	}	2625	}
2133	}	2626	}
2134	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($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	},
2135	);	2651	);
2136		2652
2137	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2138		2654
2139	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2180	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2181	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2182		2698
2183	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2184		2700
2185	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2186		2706
2187	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2188		2708
2189	=pod	2709	=pod
2190		2710
2191	The following functions and methods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2192		2712
2193	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2194	cf::object::player player	2717	cf::object::player
2195	cf::player peaceful	2718	player
2196	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2197		2725
2198	=cut	2726	=cut
2199		2727
2200	for (	2728	for (
2201	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2202	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2203	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2204	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2205	) {	2734	) {
2206	no strict 'refs';	2735	no strict 'refs';
…		…
2277	=back	2806	=back
2278		2807
2279	=cut	2808	=cut
2280		2809
2281	#############################################################################	2810	#############################################################################
2282
2283	=head2 EXTENSION DATABASE SUPPORT
2284
2285	Crossfire maintains a very simple database for extension use. It can
2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2287	convert to/from binary).
2288
2289	The parameter C<$family> should best start with the name of the extension
2290	using it, it should be unique.
2291
2292	=over 4
2293
2294	=item $value = cf::db_get $family => $key
2295
2296	Returns a single value from the database.
2297
2298	=item cf::db_put $family => $key => $value
2299
2300	Stores the given C<$value> in the family.
2301
2302	=cut
2303
2304	our $DB;
2305
2306	sub db_init {
2307	unless ($DB) {
2308	$DB = BDB::db_create $DB_ENV;
2309
2310	cf::sync_job {
2311	eval {
2312	$DB->set_flags (BDB::CHKSUM);
2313
2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2316	cf::cleanup "db_open(db): $!" if $!;
2317	};
2318	cf::cleanup "db_open(db): $@" if $@;
2319	};
2320	}
2321	}
2322
2323	sub db_get($$) {
2324	my $key = "$_[0]/$_[1]";
2325
2326	cf::sync_job {
2327	BDB::db_get $DB, undef, $key, my $data;
2328
2329	$! ? ()
2330	: $data
2331	}
2332	}
2333
2334	sub db_put($$$) {
2335	BDB::dbreq_pri 4;
2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2337	}
2338
2339	=item cf::cache $id => [$paths...], $processversion => $process
2340
2341	Generic caching function that returns the value of the resource $id,
2342	caching and regenerating as required.
2343
2344	This function can block.
2345
2346	=cut
2347
2348	sub cache {
2349	my ($id, $src, $processversion, $process) = @_;
2350
2351	my $meta =
2352	join "\x00",
2353	$processversion,
2354	map {
2355	aio_stat $_
2356	and Carp::croak "$_: $!";
2357
2358	($_, (stat _)[7,9])
2359	} @$src;
2360
2361	my $dbmeta = db_get cache => "$id/meta";
2362	if ($dbmeta ne $meta) {
2363	# changed, we may need to process
2364
2365	my @data;
2366	my $md5;
2367
2368	for (0 .. $#$src) {
2369	0 <= aio_load $src->[$_], $data[$_]
2370	or Carp::croak "$src->[$_]: $!";
2371	}
2372
2373	# if processing is expensive, check
2374	# checksum first
2375	if (1) {
2376	$md5 =
2377	join "\x00",
2378	$processversion,
2379	map {
2380	Coro::cede;
2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
2382	} 0.. $#$src;
2383
2384
2385	my $dbmd5 = db_get cache => "$id/md5";
2386	if ($dbmd5 eq $md5) {
2387	db_put cache => "$id/meta", $meta;
2388
2389	return db_get cache => "$id/data";
2390	}
2391	}
2392
2393	my $t1 = Time::HiRes::time;
2394	my $data = $process->(\@data);
2395	my $t2 = Time::HiRes::time;
2396
2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2398
2399	db_put cache => "$id/data", $data;
2400	db_put cache => "$id/md5" , $md5;
2401	db_put cache => "$id/meta", $meta;
2402
2403	return $data;
2404	}
2405
2406	db_get cache => "$id/data"
2407	}
2408
2409	=item fork_call { }, $args
2410
2411	Executes the given code block with the given arguments in a seperate
2412	process, returning the results. Everything must be serialisable with
2413	Coro::Storable. May, of course, block. Note that the executed sub may
2414	never block itself or use any form of Event handling.
2415
2416	=cut
2417
2418	sub fork_call(&@) {
2419	my ($cb, @args) = @_;
2420
2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2422	# or die "socketpair: $!";
2423	pipe my $fh1, my $fh2
2424	or die "pipe: $!";
2425
2426	if (my $pid = fork) {
2427	close $fh2;
2428
2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2430	$res = Coro::Storable::thaw $res;
2431
2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2433
2434	die $$res unless "ARRAY" eq ref $res;
2435
2436	return wantarray ? @$res : $res->[-1];
2437	} else {
2438	local $SIG{__WARN__};
2439	eval {
2440	local $SIG{__DIE__};
2441	close $fh1;
2442
2443	my @res = eval { $cb->(@args) };
2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2445	};
2446
2447	warn $@ if $@;
2448	_exit 0;
2449	}
2450	}
2451
2452
2453
2454	#############################################################################
2455	# the server's init and main functions	2811	# the server's init and main functions
2456		2812
2457	sub load_facedata($) {	2813	sub load_facedata($) {
2458	my ($path) = @_;	2814	my ($path) = @_;
		2815
		2816	my $enc = JSON::XS->new->utf8->canonical;
2459		2817
2460	warn "loading facedata from $path\n";	2818	warn "loading facedata from $path\n";
2461		2819
2462	my $facedata;	2820	my $facedata;
2463	0 < aio_load $path, $facedata	2821	0 < aio_load $path, $facedata
…		…
2466	$facedata = Coro::Storable::thaw $facedata;	2824	$facedata = Coro::Storable::thaw $facedata;
2467		2825
2468	$facedata->{version} == 2	2826	$facedata->{version} == 2
2469	or cf::cleanup "$path: version mismatch, cannot proceed.";	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2470		2828
		2829	# patch in the exptable
		2830	cf::cede_to_tick;
		2831	$facedata->{resource}{"res/exp_table"} = {
		2832	type => FT_RSRC,
		2833	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
		2834	};
		2835	cf::cede_to_tick;
		2836
2471	{	2837	{
2472	my $faces = $facedata->{faceinfo};	2838	my $faces = $facedata->{faceinfo};
2473		2839
2474	while (my ($face, $info) = each %$faces) {	2840	while (my ($face, $info) = each %$faces) {
2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2841	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2842	cf::face::set_visibility $idx, $info->{visibility};
		2843	cf::face::set_magicmap $idx, $info->{magicmap};
2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2844	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2845	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2479	Coro::cede;	2846
		2847	cf::cede_to_tick;
2480	}	2848	}
2481		2849
2482	while (my ($face, $info) = each %$faces) {	2850	while (my ($face, $info) = each %$faces) {
2483	next unless $info->{smooth};	2851	next unless $info->{smooth};
2484	my $idx = cf::face::find $face	2852	my $idx = cf::face::find $face
2485	or next;	2853	or next;
2486	if (my $smooth = cf::face::find $info->{smooth}) {	2854	if (my $smooth = cf::face::find $info->{smooth}) {
		2855	cf::face::set_smooth $idx, $smooth;
2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2856	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2488	} else {	2857	} else {
2489	warn "smooth face '$info->{smooth}' not found for face '$face'";	2858	warn "smooth face '$info->{smooth}' not found for face '$face'";
2490	}	2859	}
2491	Coro::cede;	2860
		2861	cf::cede_to_tick;
2492	}	2862	}
2493	}	2863	}
2494		2864
2495	{	2865	{
2496	my $anims = $facedata->{animinfo};	2866	my $anims = $facedata->{animinfo};
2497		2867
2498	while (my ($anim, $info) = each %$anims) {	2868	while (my ($anim, $info) = each %$anims) {
2499	cf::anim::set $anim, $info->{frames}, $info->{facings};	2869	cf::anim::set $anim, $info->{frames}, $info->{facings};
2500	Coro::cede;	2870	cf::cede_to_tick;
2501	}	2871	}
2502		2872
2503	cf::anim::invalidate_all; # d'oh	2873	cf::anim::invalidate_all; # d'oh
2504	}	2874	}
2505		2875
		2876	{
		2877	# TODO: for gcfclient pleasure, we should give resources
		2878	# that gcfclient doesn't grok a >10000 face index.
		2879	my $res = $facedata->{resource};
		2880
		2881	my $soundconf = delete $res->{"res/sound.conf"};
		2882
		2883	while (my ($name, $info) = each %$res) {
		2884	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2885	my $data;
		2886
		2887	if ($info->{type} & 1) {
		2888	# prepend meta info
		2889
		2890	my $meta = $enc->encode ({
		2891	name => $name,
		2892	%{ $info->{meta} || {} },
		2893	});
		2894
		2895	$data = pack "(w/a*)*", $meta, $info->{data};
		2896	}
		2897
		2898	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2899	cf::face::set_type $idx, $info->{type};
		2900
		2901	cf::cede_to_tick;
		2902	}
		2903
		2904	if ($soundconf) {
		2905	$soundconf = $enc->decode (delete $soundconf->{data});
		2906
		2907	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2908	my $sound = $soundconf->{compat}[$_]
		2909	or next;
		2910
		2911	my $face = cf::face::find "sound/$sound->[1]";
		2912	cf::sound::set $sound->[0] => $face;
		2913	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2914	}
		2915
		2916	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2917	my $face = cf::face::find "sound/$v";
		2918	cf::sound::set $k => $face;
		2919	}
		2920	}
		2921	}
		2922
2506	1	2923	1
2507	}	2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
2508		2933
2509	sub reload_regions {	2934	sub reload_regions {
2510	load_resource_file "$MAPDIR/regions"	2935	load_resource_file "$MAPDIR/regions"
2511	or die "unable to load regions file\n";	2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
2512	}	2942	}
2513		2943
2514	sub reload_facedata {	2944	sub reload_facedata {
2515	load_facedata "$DATADIR/facedata"	2945	load_facedata "$DATADIR/facedata"
2516	or die "unable to load facedata\n";	2946	or die "unable to load facedata\n";
2517	}	2947	}
2518		2948
2519	sub reload_archetypes {	2949	sub reload_archetypes {
2520	load_resource_file "$DATADIR/archetypes"	2950	load_resource_file "$DATADIR/archetypes"
2521	or die "unable to load archetypes\n";	2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
2522	}	2957	}
2523		2958
2524	sub reload_treasures {	2959	sub reload_treasures {
2525	load_resource_file "$DATADIR/treasures"	2960	load_resource_file "$DATADIR/treasures"
2526	or die "unable to load treasurelists\n";	2961	or die "unable to load treasurelists\n";
…		…
2529	sub reload_resources {	2964	sub reload_resources {
2530	warn "reloading resource files...\n";	2965	warn "reloading resource files...\n";
2531		2966
2532	reload_regions;	2967	reload_regions;
2533	reload_facedata;	2968	reload_facedata;
		2969	#reload_archetypes;#d#
2534	reload_archetypes;	2970	reload_archetypes;
2535	reload_treasures;	2971	reload_treasures;
2536		2972
2537	warn "finished reloading resource files\n";	2973	warn "finished reloading resource files\n";
2538	}	2974	}
…		…
2595	},	3031	},
2596	);	3032	);
2597	}	3033	}
2598	}	3034	}
2599		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
		3072	}
		3073
2600	sub emergency_save() {	3074	sub emergency_save() {
2601	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2602		3076
2603	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2604		3078
…		…
2679	%EXT_CORO = ();	3153	%EXT_CORO = ();
2680		3154
2681	warn "removing commands";	3155	warn "removing commands";
2682	%COMMAND = ();	3156	%COMMAND = ();
2683		3157
2684	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2685	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2686		3161
2687	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2688	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2689	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2690		3165
…		…
2808	my $signal = new Coro::Signal;	3283	my $signal = new Coro::Signal;
2809	push @WAIT_FOR_TICK_BEGIN, $signal;	3284	push @WAIT_FOR_TICK_BEGIN, $signal;
2810	$signal->wait;	3285	$signal->wait;
2811	}	3286	}
2812		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2813	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2814	reentrant => 0,	3291	reentrant => 0,
2815	parked => 1,	3292	parked => 1,
2816	prio => 0,	3293	prio => 0,
2817	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
…		…
2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2822	unless ++$bug_warning > 10;	3299	unless ++$bug_warning > 10;
2823	return;	3300	return;
2824	}	3301	}
2825		3302
2826	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2827		3304
2828	cf::server_tick; # one server iteration	3305	cf::server_tick; # one server iteration
		3306
		3307	0 && sync_job {#d#
		3308	for(1..10) {
		3309	my $t = Event::time;
		3310	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3311	or die;
		3312
		3313	$map->width (50);
		3314	$map->height (50);
		3315	$map->alloc;
		3316	$map->_load_objects ("/tmp/x.map", 1);
		3317	my $t = Event::time - $t;
		3318
		3319	#next unless $t < 0.0013;#d#
		3320	if ($t < $min) {
		3321	$min = $t;
		3322	}
		3323	$avg = $avg * 0.99 + $t * 0.01;
		3324	}
		3325	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3326	exit 0;
		3327	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3328	};
2829		3329
2830	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2831	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2832		3332
2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2839	}	3339	}
2840		3340
2841	# my $AFTER = Event::time;	3341	# my $AFTER = Event::time;
2842	# warn $AFTER - $NOW;#d#	3342	# warn $AFTER - $NOW;#d#
2843		3343
		3344	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3345	$sig->send;
		3346	}
		3347	while (my $sig = shift @WAIT_FOR_TICK) {
		3348	$sig->send;
		3349	}
		3350
		3351	$NOW = Event::time;
		3352
2844	# if we are delayed by four ticks or more, skip them all	3353	# if we are delayed by four ticks or more, skip them all
2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2846		3355
2847	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2848	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
2849		3358
2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3359	$LOAD = ($NOW - $tick_start) / $TICK;
2851	$sig->send;	3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2852	}
2853	while (my $sig = shift @WAIT_FOR_TICK) {
2854	$sig->send;
2855	}
2856		3361
2857	_post_tick;	3362	_post_tick;
		3363
		3364
2858	},	3365	},
2859	);	3366	);
2860		3367
2861	{	3368	{
2862	BDB::max_poll_time $TICK * 0.1;	3369	BDB::max_poll_time $TICK * 0.1;
…		…
2921	prio => 6,	3428	prio => 6,
2922	cb => \&IO::AIO::poll_cb,	3429	cb => \&IO::AIO::poll_cb,
2923	);	3430	);
2924	}	3431	}
2925		3432
		3433	my $_log_backtrace;
		3434
		3435	sub _log_backtrace {
		3436	my ($msg, @addr) = @_;
		3437
		3438	$msg =~ s/\n//;
		3439
		3440	# limit the # of concurrent backtraces
		3441	if ($_log_backtrace < 2) {
		3442	++$_log_backtrace;
		3443	async {
		3444	my @bt = fork_call {
		3445	@addr = map { sprintf "%x", $_ } @addr;
		3446	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3447	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3448	or die "addr2line: $!";
		3449
		3450	my @funcs;
		3451	my @res = <$fh>;
		3452	chomp for @res;
		3453	while (@res) {
		3454	my ($func, $line) = splice @res, 0, 2, ();
		3455	push @funcs, "[$func] $line";
		3456	}
		3457
		3458	@funcs
		3459	};
		3460
		3461	LOG llevInfo, "[ABT] $msg\n";
		3462	LOG llevInfo, "[ABT] $_\n" for @bt;
		3463	--$_log_backtrace;
		3464	};
		3465	} else {
		3466	LOG llevInfo, "[ABT] $msg\n";
		3467	LOG llevInfo, "[ABT] [suppressed]\n";
		3468	}
		3469	}
		3470
2926	# load additional modules	3471	# load additional modules
2927	use cf::pod;	3472	use cf::pod;
2928		3473
2929	END { cf::emergency_save }	3474	END { cf::emergency_save }
2930		3475

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