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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC

…		…
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		24
		25	use JSON::XS 1.4 ();
25	use BDB ();	26	use BDB ();
26	use Data::Dumper;	27	use Data::Dumper;
27	use Digest::MD5;	28	use Digest::MD5;
28	use Fcntl;	29	use Fcntl;
29	use YAML::Syck ();	30	use YAML::Syck ();
30	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
31	use Time::HiRes;	32	use Time::HiRes;
32	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
33		35
34	# configure various modules to our taste	36	# configure various modules to our taste
35	#	37	#
36	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
90	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
91		94
92	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
95	binmode STDOUT;	102	binmode STDOUT;
96	binmode STDERR;	103	binmode STDERR;
97		104
98	# read virtual server time, if available	105	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
…		…
139		146
140	=item $cf::TICK	147	=item $cf::TICK
141		148
142	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
143		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
		160
144	=item %cf::CFG	161	=item %cf::CFG
145		162
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	164	from wherever your confdir points to.
148		165
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		167
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	168	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	169	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.	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
154		177
155	=back	178	=back
156		179
157	=cut	180	=cut
158		181
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		203
180	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	205	# within the Safe compartment.
182	for my $pkg (qw(	206	for my $pkg (qw(
183	cf::global cf::attachable	207	cf::global cf::attachable
…		…
191	}	215	}
192		216
193	$Event::DIED = sub {	217	$Event::DIED = sub {
194	warn "error in event callback: @_";	218	warn "error in event callback: @_";
195	};	219	};
		220
		221	#############################################################################
196		222
197	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
198		224
199	=over 4	225	=over 4
200		226
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	246	$d
221	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
222	}	248	}
223		249
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
227		251
228	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
229		253
230	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
231		255
232	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
		257
		258	=cut
		259
		260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		261
		262	sub to_json ($) { $json_coder->encode ($_[0]) }
		263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
291	};	322	};
292	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
293	$guard	324	$guard
294	}	325	}
295		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
296	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
297		384
298	Currently the same as Coro::async_pool, meaning you cannot use	385	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	386	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.	387	thing you are allowed to do is call C<prio> on it.
…		…
303		390
304	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
305		392
306	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
307		394
308	The design of crossfire+ requires that the main coro ($Coro::main) is	395	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	396	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.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
311		399
312	If it must be done, put the blocking parts into C<sync_job>. This will run	400	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	401	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	402	server will be frozen during this time, so the block should either finish
315	fast or be very important.	403	fast or be very important.
…		…
318		406
319	sub sync_job(&) {	407	sub sync_job(&) {
320	my ($job) = @_;	408	my ($job) = @_;
321		409
322	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
323	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
325		415
326	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
338		428
339	while ($busy) {	429	while ($busy) {
340	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
341	}	431	}
342		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
343	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
344	} else {	441	} else {
345	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
346		443
347	$job->()	444	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
367		464
368	$coro	465	$coro
369	}	466	}
370		467
371	sub write_runtime {	468	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		469
374	# first touch the runtime file to show we are still running:	470	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
376		474
377	warn "touching runtime...\n";#d#	475	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		476
382	my $guard = cf::lock_acquire "write_runtime";	477	sub _store_scalar {
383		478	open my $fh, ">", \my $buf
384	warn "starting to write runtime...\n";#d#	479	or die "fork_call: cannot open fh-to-buf in child : $!";
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	480	Storable::store_fd $_[0], $fh;
386	or return;
387
388	my $value = $cf::RUNTIME + 90 + 10;
389	# 10 is the runtime save interval, for a monotonic clock
390	# 60 allows for the watchdog to kill the server.
391
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
393	and return;
394
395	# always fsync - this file is important
396	aio_fsync $fh
397	and return;
398
399	# touch it again to show we are up-to-date
400	utime undef, undef, $fh;
401
402	close $fh	481	close $fh;
403	or return;
404		482
405	aio_rename "$runtime~", $runtime	483	$buf
406	and return;	484	}
407		485
408	warn "... done writing runtime.\n";#d#	486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
409		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
410	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
411	}	644	}
412		645
413	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
414		647
415	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
433	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
435		668
436	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	671	Crossfire TRT).
439		672
440	=over 4	673	=over 4
441		674
442	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
443		676
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
607		840
608	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		845
613	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	847	my $pkg = shift @arg;
615		848
616	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
646	}	879	}
647		880
648	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
649	} else {	882	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	884	}
652		885
653	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
654	}	887	}
655		888
…		…
657	if (ref $_[0]) {	890	if (ref $_[0]) {
658	_object_attach @_;	891	_object_attach @_;
659	} else {	892	} else {
660	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
661	}	894	}
		895	_recalc_want;
662	};	896	};
663		897
664	# all those should be optimised	898	# all those should be optimised
665	sub cf::attachable::detach {	899	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
670	reattach ($obj);	904	reattach ($obj);
671	} else {	905	} else {
672	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
673	}	907	}
		908	_recalc_want;
674	};	909	};
675		910
676	sub cf::attachable::attached {	911	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
678		913
…		…
693	";	928	";
694	die if $@;	929	die if $@;
695	}	930	}
696		931
697	our $override;	932	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		934
700	sub override {	935	sub override {
701	$override = 1;	936	$override = 1;
702	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
703	}	938	}
704		939
705	sub do_invoke {	940	sub do_invoke {
706	my $event = shift;	941	my $event = shift;
707	my $callbacks = shift;	942	my $callbacks = shift;
708		943
709	@invoke_results = ();	944	@INVOKE_RESULTS = ();
710		945
711	local $override;	946	local $override;
712		947
713	for (@$callbacks) {	948	for (@$callbacks) {
714	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
731		966
732	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
733		968
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		972
738	=back	973	=back
739		974
740	=cut	975	=cut
741		976
742	#############################################################################	977	#############################################################################
743	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
744		990
745	sub reattach {	991	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	993	my ($obj) = @_;
748		994
…		…
851	or return;	1097	or return;
852	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1099	}
854		1100
855	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
857	return ($data, $av);	1103	return ($data, $av);
858	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
859		1111
860	#############################################################################	1112	#############################################################################
861	# command handling &c	1113	# command handling &c
862		1114
863	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1129	}
878		1130
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1132
881	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
882		1138
883	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
884	called.	1140	called.
885		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
886	=cut	1153	=cut
887		1154
888	sub register_extcmd {	1155	sub register_extcmd {
889	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
890		1157
891	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
892	}	1165	}
893		1166
894	cf::player->attach (	1167	cf::player->attach (
895	on_command => sub {	1168	on_command => sub {
896	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1178	cf::override;
906	},	1179	},
907	on_extcmd => sub {	1180	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
909		1182
910	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1184
912	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
915	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
916	}	1195	if $reply;
917	}	1196	}
918	} else {	1197	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1199	}
921		1200
922	cf::override;	1201	cf::override;
923	},	1202	},
924	);	1203	);
925		1204
926	sub load_extension {
927	my ($path) = @_;
928
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
930	my $base = $1;
931	my $pkg = $1;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}
954	die $@;
955	}
956
957	push @EXTS, $pkg;
958	}
959
960	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
961	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1210	next unless -r $path;
963	eval {	1211
964	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
965	1	1269	}
966	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
967	}	1275	};
968	}	1276	}
969		1277
970	#############################################################################	1278	#############################################################################
		1279
		1280	=back
971		1281
972	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
973		1283
974	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
975		1285
…		…
1062	$cf::PLAYER{$login} = $self;	1372	$cf::PLAYER{$login} = $self;
1063		1373
1064	$self	1374	$self
1065	}	1375	}
1066		1376
		1377	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1378
		1379	=cut
		1380
		1381	sub send_msg {
		1382	my $ns = shift->ns
		1383	or return;
		1384	$ns->send_msg (@_);
		1385	}
		1386
1067	=item $pl->quit_character	1387	=item $pl->quit_character
1068		1388
1069	Nukes the player without looking back. If logged in, the connection will	1389	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1390	be destroyed. May block for a long time.
1071		1391
…		…
1163	}	1483	}
1164		1484
1165	\@paths	1485	\@paths
1166	}	1486	}
1167		1487
		1488	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1489
		1490	Expand crossfire pod fragments into protocol xml.
		1491
		1492	=cut
		1493
		1494	sub expand_cfpod {
		1495	((my $self), (local $_)) = @_;
		1496
		1497	# escape & and <
		1498	s/&/&amp;/g;
		1499	s/(?<![BIUGH])</&lt;/g;
		1500
		1501	# this is buggy, it needs to properly take care of nested <'s
		1502
		1503	1 while
		1504	# replace B<>, I<>, U<> etc.
		1505	s/B<([^\>]*)>/<b>$1<\/b>/
		1506	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1507	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1508	# replace G<male|female> tags
		1509	|| s{G<([^>|]*)\|([^>]*)>}{
		1510	$self->gender ? $2 : $1
		1511	}ge
		1512	# replace H<hint text>
		1513	|| s{H<([^\>]*)>}
		1514	{
		1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1517	"")
		1518	[$self->{hintmode}]
		1519	}ge;
		1520
		1521	# create single paragraphs (very hackish)
		1522	s/(?<=\S)\n(?=\w)/ /g;
		1523
		1524	# compress some whitespace
		1525	s/\s+\n/\n/g; # ws line-ends
		1526	s/\n\n+/\n/g; # double lines
		1527	s/^\n+//; # beginning lines
		1528	s/\n+$//; # ending lines
		1529
		1530	$_
		1531	}
		1532
		1533	sub hintmode {
		1534	$_[0]{hintmode} = $_[1] if @_ > 1;
		1535	$_[0]{hintmode}
		1536	}
		1537
1168	=item $player->ext_reply ($msgid, %msg)	1538	=item $player->ext_reply ($msgid, @msg)
1169		1539
1170	Sends an ext reply to the player.	1540	Sends an ext reply to the player.
1171		1541
1172	=cut	1542	=cut
1173		1543
1174	sub ext_reply($$%) {	1544	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1545	my ($self, $id, @msg) = @_;
1176		1546
1177	$msg{msgid} = $id;	1547	if ($self->ns->extcmd == 2) {
1178		1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1179	$self->send ("ext " . cf::to_json \%msg);	1549	} elsif ($self->ns->extcmd == 1) {
		1550	#TODO: version 1, remove
		1551	unshift @msg, msgtype => "reply", msgid => $id;
		1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1553	}
1180	}	1554	}
1181		1555
1182	=item $player->ext_event ($type, %msg)	1556	=item $player->ext_msg ($type, @msg)
1183		1557
1184	Sends an ext event to the client.	1558	Sends an ext event to the client.
1185		1559
1186	=cut	1560	=cut
1187		1561
1188	sub ext_event($$%) {	1562	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1563	my ($self, $type, @msg) = @_;
1190		1564
1191	$self->ns->ext_event ($type, %msg);	1565	$self->ns->ext_msg ($type, @msg);
1192	}	1566	}
1193		1567
1194	=head3 cf::region	1568	=head3 cf::region
1195		1569
1196	=over 4	1570	=over 4
…		…
1199		1573
1200	package cf::region;	1574	package cf::region;
1201		1575
1202	=item cf::region::find_by_path $path	1576	=item cf::region::find_by_path $path
1203		1577
1204	Tries to decuce the probable region for a map knowing only its path.	1578	Tries to decuce the likely region for a map knowing only its path.
1205		1579
1206	=cut	1580	=cut
1207		1581
1208	sub find_by_path($) {	1582	sub find_by_path($) {
1209	my ($path) = @_;	1583	my ($path) = @_;
1210		1584
1211	my ($match, $specificity);	1585	my ($match, $specificity);
1212		1586
1213	for my $region (list) {	1587	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1588	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1589	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1590	if $region->specificity > $specificity;
1217	}	1591	}
1218	}	1592	}
1219		1593
…		…
1283	my ($self, $merge) = @_;	1657	my ($self, $merge) = @_;
1284		1658
1285	# we have to keep some variables in memory intact	1659	# we have to keep some variables in memory intact
1286	local $self->{path};	1660	local $self->{path};
1287	local $self->{load_path};	1661	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1662
1291	$self->SUPER::thawer_merge ($merge);	1663	$self->SUPER::thawer_merge ($merge);
1292	}	1664	}
1293		1665
1294	sub normalise {	1666	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1713	$self->init; # pass $1 etc.
1342	return $self;	1714	return $self;
1343	}	1715	}
1344	}	1716	}
1345		1717
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1718	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1719	()
1348	}	1720	}
1349		1721
1350	sub init {	1722	sub init {
1351	my ($self) = @_;	1723	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1764	sub change_all_map_light {
1393	my ($change) = @_;	1765	my ($change) = @_;
1394		1766
1395	$_->change_map_light ($change)	1767	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1768	for grep $_->outdoor, values %cf::MAP;
		1769	}
		1770
		1771	sub decay_objects {
		1772	my ($self) = @_;
		1773
		1774	return if $self->{deny_reset};
		1775
		1776	$self->do_decay_objects;
1397	}	1777	}
1398		1778
1399	sub unlink_save {	1779	sub unlink_save {
1400	my ($self) = @_;	1780	my ($self) = @_;
1401		1781
…		…
1459	$self->load_header_orig	1839	$self->load_header_orig
1460	or return;	1840	or return;
1461	$self->prepare_orig;	1841	$self->prepare_orig;
1462	}	1842	}
1463		1843
		1844	$self->{deny_reset} = 1
		1845	if $self->no_reset;
		1846
1464	$self->default_region (cf::region::find_by_path $self->{path})	1847	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1848	unless $self->default_region;
1466		1849
1467	1	1850	1
1468	}	1851	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1866	$map->{last_save} = $cf::RUNTIME;
1484		1867
1485	$map->load_header	1868	$map->load_header
1486	or return;	1869	or return;
1487		1870
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1872	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1873	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1874	$map->reset;
1492	undef $guard;	1875	undef $guard;
1493	return find $path;	1876	return find $path;
…		…
1548	$self->set_darkness_map;	1931	$self->set_darkness_map;
1549	Coro::cede;	1932	Coro::cede;
1550	$self->activate;	1933	$self->activate;
1551	}	1934	}
1552		1935
		1936	$self->{last_save} = $cf::RUNTIME;
		1937	$self->last_access ($cf::RUNTIME);
		1938
1553	$self->in_memory (cf::MAP_IN_MEMORY);	1939	$self->in_memory (cf::MAP_IN_MEMORY);
1554	}	1940	}
1555		1941
1556	$self->post_load;	1942	$self->post_load;
1557	}	1943	}
…		…
1559	sub customise_for {	1945	sub customise_for {
1560	my ($self, $ob) = @_;	1946	my ($self, $ob) = @_;
1561		1947
1562	return find "~" . $ob->name . "/" . $self->{path}	1948	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1949	if $self->per_player;
		1950
		1951	# return find "?party/" . $ob->name . "/" . $self->{path}
		1952	# if $self->per_party;
1564		1953
1565	$self	1954	$self
1566	}	1955	}
1567		1956
1568	# find and load all maps in the 3x3 area around a map	1957	# find and load all maps in the 3x3 area around a map
…		…
1615		2004
1616	undef $MAP_PREFETCH{$path};	2005	undef $MAP_PREFETCH{$path};
1617	$MAP_PREFETCHER ||= cf::async {	2006	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	2007	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2008	for my $path (keys %MAP_PREFETCH) {
1620	my $map = find $path	2009	if (my $map = find $path) {
1621	or next;
1622	$map->load;	2010	$map->load;
		2011	}
1623		2012
1624	delete $MAP_PREFETCH{$path};	2013	delete $MAP_PREFETCH{$path};
1625	}	2014	}
1626	}	2015	}
1627	undef $MAP_PREFETCHER;	2016	undef $MAP_PREFETCHER;
…		…
1679		2068
1680	sub reset_at {	2069	sub reset_at {
1681	my ($self) = @_;	2070	my ($self) = @_;
1682		2071
1683	# TODO: safety, remove and allow resettable per-player maps	2072	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2073	return 1e99 if $self->{deny_reset};
1686		2074
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2075	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2076	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2077
…		…
1700	my ($self) = @_;	2088	my ($self) = @_;
1701		2089
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2090	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2091
1704	return if $self->players;	2092	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2093
1707	warn "resetting map ", $self->path;#d#	2094	warn "resetting map ", $self->path;
1708		2095
1709	$self->in_memory (cf::MAP_SWAPPED);	2096	$self->in_memory (cf::MAP_SWAPPED);
1710		2097
1711	# need to save uniques path	2098	# need to save uniques path
1712	unless ($self->{deny_save}) {	2099	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2131	$cf::MAP{$self->path} = $self;
1745		2132
1746	$self->reset; # polite request, might not happen	2133	$self->reset; # polite request, might not happen
1747	}	2134	}
1748		2135
		2136	=item $maps = cf::map::tmp_maps
		2137
		2138	Returns an arrayref with all map paths of currently instantiated and saved
		2139	maps. May block.
		2140
		2141	=cut
		2142
		2143	sub tmp_maps() {
		2144	[
		2145	map {
		2146	utf8::decode $_;
		2147	/\.map$/
		2148	? normalise $_
		2149	: ()
		2150	} @{ aio_readdir $TMPDIR or [] }
		2151	]
		2152	}
		2153
		2154	=item $maps = cf::map::random_maps
		2155
		2156	Returns an arrayref with all map paths of currently instantiated and saved
		2157	random maps. May block.
		2158
		2159	=cut
		2160
		2161	sub random_maps() {
		2162	[
		2163	map {
		2164	utf8::decode $_;
		2165	/\.map$/
		2166	? normalise "?random/$_"
		2167	: ()
		2168	} @{ aio_readdir $RANDOMDIR or [] }
		2169	]
		2170	}
		2171
1749	=item cf::map::unique_maps	2172	=item cf::map::unique_maps
1750		2173
1751	Returns an arrayref of paths of all shared maps that have	2174	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2175	instantiated unique items. May block.
1753		2176
1754	=cut	2177	=cut
1755		2178
1756	sub unique_maps() {	2179	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2180	[
1758	or return;	2181	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2182	utf8::decode $_;
1764	next if /\.pst$/;	2183	/\.map$/
1765	next unless /^$PATH_SEP/o;	2184	? normalise $_
1766		2185	: ()
1767	push @paths, cf::map::normalise $_;	2186	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2187	]
1769
1770	\@paths
1771	}	2188	}
1772		2189
1773	package cf;	2190	package cf;
1774		2191
1775	=back	2192	=back
…		…
1821		2238
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2239	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2240
1824	if ($self->{record_replies}) {	2241	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2242	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2243
1826	} else {	2244	} else {
		2245	my $pl = $self->contr;
		2246
		2247	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2248	my $dialog = $pl->{npc_dialog};
		2249	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2250
		2251	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2252	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2253	$self->message ($msg, $flags);
		2254	}
1829	}	2255	}
		2256	}
		2257
		2258	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2259
		2260	=cut
		2261
		2262	sub cf::object::send_msg {
		2263	my $pl = shift->contr
		2264	or return;
		2265	$pl->send_msg (@_);
1830	}	2266	}
1831		2267
1832	=item $player_object->may ("access")	2268	=item $player_object->may ("access")
1833		2269
1834	Returns wether the given player is authorized to access resource "access"	2270	Returns wether the given player is authorized to access resource "access"
…		…
1881	$self->deactivate_recursive;	2317	$self->deactivate_recursive;
1882		2318
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2319	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2320
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2321	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2322	if $self->map && $self->map->{path} ne "{link}";
1887		2323
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2324	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2325	}
1890		2326
1891	sub cf::object::player::leave_link {	2327	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2328	my ($self, $map, $x, $y) = @_;
		2329
		2330	return unless $self->contr->active;
1893		2331
1894	my $link_pos = delete $self->{_link_pos};	2332	my $link_pos = delete $self->{_link_pos};
1895		2333
1896	unless ($map) {	2334	unless ($map) {
1897	# restore original map position	2335	# restore original map position
…		…
1920		2358
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2360	$self->enter_map ($map, $x, $y);
1923	}	2361	}
1924		2362
1925	cf::player->attach (	2363	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2364
1929	# abort map switching before logout	2365	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2366	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2367	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2368	the new (success) or old (failed) map position. In either case, $done will
1933	};	2369	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2370
1939	# try to abort aborted map switching on player login :)
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956
1957	=item $player_object->goto ($path, $x, $y)
1958
1959	=cut	2371	=cut
		2372
		2373	our $GOTOGEN;
1960		2374
1961	sub cf::object::player::goto {	2375	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2376	my ($self, $path, $x, $y, $check, $done) = @_;
		2377
		2378	# do generation counting so two concurrent goto's will be executed in-order
		2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2380
1964	$self->enter_link;	2381	$self->enter_link;
1965		2382
1966	(async {	2383	(async {
1967	my $map = eval {	2384	my $map = eval {
1968	my $map = cf::map::find $path;	2385	my $map = cf::map::find $path;
		2386
		2387	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2388	$map = $map->customise_for ($self);
		2389	$map = $check->($map) if $check && $map;
		2390	} else {
		2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2392	}
		2393
1970	$map	2394	$map
		2395	};
		2396
		2397	if ($@) {
		2398	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2399	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2400	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2401
		2402	if ($gen == $self->{_goto_generation}) {
		2403	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2404	$self->leave_link ($map, $x, $y);
		2405	}
		2406
		2407	$done->() if $done;
1975	})->prio (1);	2408	})->prio (1);
1976	}	2409	}
1977		2410
1978	=item $player_object->enter_exit ($exit_object)	2411	=item $player_object->enter_exit ($exit_object)
1979		2412
…		…
2048	my $hp = $exit->stats->hp;	2481	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2482	my $sp = $exit->stats->sp;
2050		2483
2051	$self->enter_link;	2484	$self->enter_link;
2052		2485
		2486	# if exit is damned, update players death & WoR home-position
		2487	$self->contr->savebed ($slaying, $hp, $sp)
		2488	if $exit->flag (FLAG_DAMNED);
		2489
2053	(async {	2490	(async {
2054	$self->deactivate_recursive; # just to be sure	2491	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2492	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2493	$self->goto ($slaying, $hp, $sp);
2057		2494
…		…
2084		2521
2085	utf8::encode $text;	2522	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2523	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2524	}
2088		2525
		2526	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2527
		2528	Send a drawinfo or msg packet to the client, formatting the msg for the
		2529	client if neccessary. C<$type> should be a string identifying the type of
		2530	the message, with C<log> being the default. If C<$color> is negative, suppress
		2531	the message unless the client supports the msg packet.
		2532
		2533	=cut
		2534
		2535	sub cf::client::send_msg {
		2536	my ($self, $channel, $msg, $color, @extra) = @_;
		2537
		2538	$msg = $self->pl->expand_cfpod ($msg);
		2539
		2540	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2541
		2542	if (ref $channel) {
		2543	# send meta info to client, if not yet sent
		2544	unless (exists $self->{channel}{$channel->{id}}) {
		2545	$self->{channel}{$channel->{id}} = $channel;
		2546	$self->ext_msg (channel_info => $channel);
		2547	}
		2548
		2549	$channel = $channel->{id};
		2550	}
		2551
		2552	return unless @extra || length $msg;
		2553
		2554	if ($self->can_msg) {
		2555	# default colour, mask it out
		2556	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2557	if $color & cf::NDI_DEF;
		2558
		2559	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2560	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2561	} else {
		2562	if ($color >= 0) {
		2563	# replace some tags by gcfclient-compatible ones
		2564	for ($msg) {
		2565	1 while
		2566	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2567	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2568	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2569	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2570	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2571	}
		2572
		2573	$color &= cf::NDI_COLOR_MASK;
		2574
		2575	utf8::encode $msg;
		2576
		2577	if (0 && $msg =~ /\[/) {
		2578	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
2089	=item $client->ext_event ($type, %msg)	2587	=item $client->ext_msg ($type, @msg)
2090		2588
2091	Sends an exti event to the client.	2589	Sends an ext event to the client.
2092		2590
2093	=cut	2591	=cut
2094		2592
2095	sub cf::client::ext_event($$%) {	2593	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	2594	my ($self, $type, @msg) = @_;
2097		2595
		2596	my $extcmd = $self->extcmd;
		2597
		2598	if ($extcmd == 2) {
		2599	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2600	} elsif ($extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	2601	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2602	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2603	}
2100	}	2604	}
2101		2605
2102	=item $success = $client->query ($flags, "text", \&cb)	2606	=item $success = $client->query ($flags, "text", \&cb)
2103		2607
2104	Queues a query to the client, calling the given callback with	2608	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2609	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2610	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2611
2108	Queries can fail, so check the return code. Or don't, as queries will become	2612	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2613	become reliable at some point in the future.
2110		2614
2111	=cut	2615	=cut
2112		2616
2113	sub cf::client::query {	2617	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2618	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2626	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2627	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2628
2125	$self->send_packet ($self->{query_queue}[0][0])	2629	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2630	if @{ $self->{query_queue} } == 1;
		2631
		2632	1
2127	}	2633	}
2128		2634
2129	cf::client->attach (	2635	cf::client->attach (
		2636	on_connect => sub {
		2637	my ($ns) = @_;
		2638
		2639	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2640	},
2130	on_reply => sub {	2641	on_reply => sub {
2131	my ($ns, $msg) = @_;	2642	my ($ns, $msg) = @_;
2132		2643
2133	# this weird shuffling is so that direct followup queries	2644	# this weird shuffling is so that direct followup queries
2134	# get handled first	2645	# get handled first
…		…
2146	} else {	2657	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2658	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2659	}
2149	}	2660	}
2150	},	2661	},
		2662	on_exticmd => sub {
		2663	my ($ns, $buf) = @_;
		2664
		2665	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2666
		2667	if (ref $msg) {
		2668	my ($type, $reply, @payload) =
		2669	"ARRAY" eq ref $msg
		2670	? @$msg
		2671	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2672
		2673	if (my $cb = $EXTICMD{$type}) {
		2674	my @reply = $cb->($ns, @payload);
		2675
		2676	$ns->ext_reply ($reply, @reply)
		2677	if $reply;
		2678	}
		2679	} else {
		2680	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2681	}
		2682
		2683	cf::override;
		2684	},
2151	);	2685	);
2152		2686
2153	=item $client->async (\&cb)	2687	=item $client->async (\&cb)
2154		2688
2155	Create a new coroutine, running the specified callback. The coroutine will	2689	Create a new coroutine, running the specified callback. The coroutine will
…		…
2196	our $safe = new Safe "safe";	2730	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	2731	our $safe_hole = new Safe::Hole;
2198		2732
2199	$SIG{FPE} = 'IGNORE';	2733	$SIG{FPE} = 'IGNORE';
2200		2734
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2735	$safe->permit_only (Opcode::opset qw(
		2736	:base_core :base_mem :base_orig :base_math
		2737	grepstart grepwhile mapstart mapwhile
		2738	sort time
		2739	));
2202		2740
2203	# here we export the classes and methods available to script code	2741	# here we export the classes and methods available to script code
2204		2742
2205	=pod	2743	=pod
2206		2744
2207	The following functions and methods are available within a safe environment:	2745	The following functions and methods are available within a safe environment:
2208		2746
2209	cf::object contr pay_amount pay_player map	2747	cf::object
		2748	contr pay_amount pay_player map x y force_find force_add
		2749	insert remove
		2750
2210	cf::object::player player	2751	cf::object::player
2211	cf::player peaceful	2752	player
2212	cf::map trigger	2753
		2754	cf::player
		2755	peaceful
		2756
		2757	cf::map
		2758	trigger
2213		2759
2214	=cut	2760	=cut
2215		2761
2216	for (	2762	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2763	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2764	insert remove inv)],
2218	["cf::object::player" => qw(player)],	2765	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2766	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2767	["cf::map" => qw(trigger)],
2221	) {	2768	) {
2222	no strict 'refs';	2769	no strict 'refs';
…		…
2293	=back	2840	=back
2294		2841
2295	=cut	2842	=cut
2296		2843
2297	#############################################################################	2844	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2845	# the server's init and main functions
2473		2846
2474	sub load_facedata($) {	2847	sub load_facedata($) {
2475	my ($path) = @_;	2848	my ($path) = @_;
2476		2849
…		…
2488	{	2861	{
2489	my $faces = $facedata->{faceinfo};	2862	my $faces = $facedata->{faceinfo};
2490		2863
2491	while (my ($face, $info) = each %$faces) {	2864	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2866	cf::face::set_visibility $idx, $info->{visibility};
		2867	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2868	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2869	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2496	Coro::cede;	2870
		2871	cf::cede_to_tick;
2497	}	2872	}
2498		2873
2499	while (my ($face, $info) = each %$faces) {	2874	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2875	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2876	my $idx = cf::face::find $face
2502	or next;	2877	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2881	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2883	}
2508	Coro::cede;	2884
		2885	cf::cede_to_tick;
2509	}	2886	}
2510	}	2887	}
2511		2888
2512	{	2889	{
2513	my $anims = $facedata->{animinfo};	2890	my $anims = $facedata->{animinfo};
2514		2891
2515	while (my ($anim, $info) = each %$anims) {	2892	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2894	cf::cede_to_tick;
2518	}	2895	}
2519		2896
2520	cf::anim::invalidate_all; # d'oh	2897	cf::anim::invalidate_all; # d'oh
2521	}	2898	}
2522		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904	my $enc = JSON::XS->new->utf8->canonical;
		2905
		2906	my $soundconf = delete $res->{"res/sound.conf"};
		2907
		2908	while (my ($name, $info) = each %$res) {
		2909	my $meta = $enc->encode ({
		2910	name => $name,
		2911	%{ $info->{meta} || {} },
		2912	});
		2913
		2914	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2915
		2916	if ($info->{type} & 1) {
		2917	# prepend meta info
		2918
		2919	my $data = pack "(w/a*)*", $meta, $info->{data};
		2920	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2921
		2922	cf::face::set_data $idx, 0, $data, $chk;
		2923	} else {
		2924	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2925	}
		2926
		2927	cf::face::set_type $idx, $info->{type};
		2928
		2929	cf::cede_to_tick;
		2930	}
		2931
		2932	if ($soundconf) {
		2933	$soundconf = $enc->decode (delete $soundconf->{data});
		2934
		2935	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2936	my $sound = $soundconf->{compat}[$_]
		2937	or next;
		2938
		2939	my $face = cf::face::find "sound/$sound->[1]";
		2940	cf::sound::set $sound->[0] => $face;
		2941	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2942	}
		2943
		2944	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2945	my $face = cf::face::find "sound/$v";
		2946	cf::sound::set $k => $face;
		2947	}
		2948	}
		2949	}
		2950
2523	1	2951	1
2524	}	2952	}
		2953
		2954	register_exticmd fx_want => sub {
		2955	my ($ns, $want) = @_;
		2956
		2957	while (my ($k, $v) = each %$want) {
		2958	$ns->fx_want ($k, $v);
		2959	}
		2960	};
2525		2961
2526	sub reload_regions {	2962	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2963	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2964	or die "unable to load regions file\n";
		2965
		2966	for (cf::region::list) {
		2967	$_->{match} = qr/$_->{match}/
		2968	if exists $_->{match};
		2969	}
2529	}	2970	}
2530		2971
2531	sub reload_facedata {	2972	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2973	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2974	or die "unable to load facedata\n";
2534	}	2975	}
2535		2976
2536	sub reload_archetypes {	2977	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2978	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2979	or die "unable to load archetypes\n";
		2980	#d# NEED to laod twice to resolve forward references
		2981	# this really needs to be done in an extra post-pass
		2982	# (which needs to be synchronous, so solve it differently)
		2983	load_resource_file "$DATADIR/archetypes"
		2984	or die "unable to load archetypes\n";
2539	}	2985	}
2540		2986
2541	sub reload_treasures {	2987	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2988	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2989	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2992	sub reload_resources {
2547	warn "reloading resource files...\n";	2993	warn "reloading resource files...\n";
2548		2994
2549	reload_regions;	2995	reload_regions;
2550	reload_facedata;	2996	reload_facedata;
		2997	#reload_archetypes;#d#
2551	reload_archetypes;	2998	reload_archetypes;
2552	reload_treasures;	2999	reload_treasures;
2553		3000
2554	warn "finished reloading resource files\n";	3001	warn "finished reloading resource files\n";
2555	}	3002	}
…		…
2612	},	3059	},
2613	);	3060	);
2614	}	3061	}
2615	}	3062	}
2616		3063
		3064	sub write_runtime {
		3065	my $runtime = "$LOCALDIR/runtime";
		3066
		3067	# first touch the runtime file to show we are still running:
		3068	# the fsync below can take a very very long time.
		3069
		3070	IO::AIO::aio_utime $runtime, undef, undef;
		3071
		3072	my $guard = cf::lock_acquire "write_runtime";
		3073
		3074	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3075	or return;
		3076
		3077	my $value = $cf::RUNTIME + 90 + 10;
		3078	# 10 is the runtime save interval, for a monotonic clock
		3079	# 60 allows for the watchdog to kill the server.
		3080
		3081	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3082	and return;
		3083
		3084	# always fsync - this file is important
		3085	aio_fsync $fh
		3086	and return;
		3087
		3088	# touch it again to show we are up-to-date
		3089	aio_utime $fh, undef, undef;
		3090
		3091	close $fh
		3092	or return;
		3093
		3094	aio_rename "$runtime~", $runtime
		3095	and return;
		3096
		3097	warn "runtime file written.\n";
		3098
		3099	1
		3100	}
		3101
2617	sub emergency_save() {	3102	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3103	my $freeze_guard = cf::freeze_mainloop;
2619		3104
2620	warn "enter emergency perl save\n";	3105	warn "enter emergency perl save\n";
2621		3106
…		…
2696	%EXT_CORO = ();	3181	%EXT_CORO = ();
2697		3182
2698	warn "removing commands";	3183	warn "removing commands";
2699	%COMMAND = ();	3184	%COMMAND = ();
2700		3185
2701	warn "removing ext commands";	3186	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3187	%EXTCMD = ();
		3188	%EXTICMD = ();
2703		3189
2704	warn "unloading/nuking all extensions";	3190	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3191	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3192	warn "... unloading $pkg";
2707		3193
…		…
2825	my $signal = new Coro::Signal;	3311	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3312	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3313	$signal->wait;
2828	}	3314	}
2829		3315
		3316	my $min = 1e6;#d#
		3317	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3318	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3319	reentrant => 0,
2832	parked => 1,	3320	parked => 1,
2833	prio => 0,	3321	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3322	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3326	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3327	unless ++$bug_warning > 10;
2840	return;	3328	return;
2841	}	3329	}
2842		3330
2843	$NOW = Event::time;	3331	$NOW = $tick_start = Event::time;
2844		3332
2845	cf::server_tick; # one server iteration	3333	cf::server_tick; # one server iteration
		3334
		3335	0 && sync_job {#d#
		3336	for(1..10) {
		3337	my $t = Event::time;
		3338	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3339	or die;
		3340
		3341	$map->width (50);
		3342	$map->height (50);
		3343	$map->alloc;
		3344	$map->_load_objects ("/tmp/x.map", 1);
		3345	my $t = Event::time - $t;
		3346
		3347	#next unless $t < 0.0013;#d#
		3348	if ($t < $min) {
		3349	$min = $t;
		3350	}
		3351	$avg = $avg * 0.99 + $t * 0.01;
		3352	}
		3353	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3354	exit 0;
		3355	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3356	};
2846		3357
2847	$RUNTIME += $TICK;	3358	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3359	$NEXT_TICK += $TICK;
2849		3360
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3361	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3367	}
2857		3368
2858	# my $AFTER = Event::time;	3369	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3370	# warn $AFTER - $NOW;#d#
2860		3371
		3372	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3373	$sig->send;
		3374	}
		3375	while (my $sig = shift @WAIT_FOR_TICK) {
		3376	$sig->send;
		3377	}
		3378
		3379	$NOW = Event::time;
		3380
2861	# if we are delayed by four ticks or more, skip them all	3381	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3382	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3383
2864	$TICK_WATCHER->at ($NEXT_TICK);	3384	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3385	$TICK_WATCHER->start;
2866		3386
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3387	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3388	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3389
2874	_post_tick;	3390	_post_tick;
		3391
		3392
2875	},	3393	},
2876	);	3394	);
2877		3395
2878	{	3396	{
2879	BDB::max_poll_time $TICK * 0.1;	3397	BDB::max_poll_time $TICK * 0.1;

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