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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.325 by root, Sat Jul 28 14:32:22 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 $guard = cf::lock_acquire "write_runtime";
373		469
374	my $runtime = "$LOCALDIR/runtime";	470	Executes the given code block with the given arguments in a seperate
		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.
375		474
376	warn "starting to write runtime...\n";#d#	475	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		476
380	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
381	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
382	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
383		480	Storable::store_fd $_[0], $fh;
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
385	and return;
386
387	# always fsync - this file is important
388	aio_fsync $fh
389	and return;
390
391	close $fh	481	close $fh;
392	or return;
393		482
394	aio_rename "$runtime~", $runtime	483	$buf
395	and return;	484	}
396		485
397	warn "... done writing runtime.\n";#d#	486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
398		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;
399	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"
400	}	644	}
401		645
402	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
403		647
404	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.
…		…
422	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")
423	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
424		668
425	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>
426	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
427	crossfire+).	671	Crossfire TRT).
428		672
429	=over 4	673	=over 4
430		674
431	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
432		676
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
596		840
597	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		845
602	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	847	my $pkg = shift @arg;
604		848
605	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
634	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
635	}	879	}
636		880
637	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
638	} else {	882	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
640	}	884	}
641		885
642	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
643	}	887	}
644		888
…		…
646	if (ref $_[0]) {	890	if (ref $_[0]) {
647	_object_attach @_;	891	_object_attach @_;
648	} else {	892	} else {
649	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
650	}	894	}
		895	_recalc_want;
651	};	896	};
652		897
653	# all those should be optimised	898	# all those should be optimised
654	sub cf::attachable::detach {	899	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
659	reattach ($obj);	904	reattach ($obj);
660	} else {	905	} else {
661	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
662	}	907	}
		908	_recalc_want;
663	};	909	};
664		910
665	sub cf::attachable::attached {	911	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
667		913
…		…
682	";	928	";
683	die if $@;	929	die if $@;
684	}	930	}
685		931
686	our $override;	932	our $override;
687	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?
688		934
689	sub override {	935	sub override {
690	$override = 1;	936	$override = 1;
691	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
692	}	938	}
693		939
694	sub do_invoke {	940	sub do_invoke {
695	my $event = shift;	941	my $event = shift;
696	my $callbacks = shift;	942	my $callbacks = shift;
697		943
698	@invoke_results = ();	944	@INVOKE_RESULTS = ();
699		945
700	local $override;	946	local $override;
701		947
702	for (@$callbacks) {	948	for (@$callbacks) {
703	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
720		966
721	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
722		968
723	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
725	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		972
727	=back	973	=back
728		974
729	=cut	975	=cut
730		976
731	#############################################################################	977	#############################################################################
732	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
733		990
734	sub reattach {	991	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	993	my ($obj) = @_;
737		994
…		…
840	or return;	1097	or return;
841	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
842	}	1099	}
843		1100
844	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
846	return ($data, $av);	1103	return ($data, $av);
847	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
848		1111
849	#############################################################################	1112	#############################################################################
850	# command handling &c	1113	# command handling &c
851		1114
852	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1129	}
867		1130
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1132
870	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.
871		1138
872	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
873	called.	1140	called.
874		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
875	=cut	1153	=cut
876		1154
877	sub register_extcmd {	1155	sub register_extcmd {
878	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
879		1157
880	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
881	}	1165	}
882		1166
883	cf::player->attach (	1167	cf::player->attach (
884	on_command => sub {	1168	on_command => sub {
885	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
894	cf::override;	1178	cf::override;
895	},	1179	},
896	on_extcmd => sub {	1180	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
898		1182
899	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1184
901	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
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
904	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
905	}	1195	if $reply;
906	}	1196	}
907	} else {	1197	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1199	}
910		1200
911	cf::override;	1201	cf::override;
912	},	1202	},
913	);	1203	);
914		1204
915	sub load_extension {
916	my ($path) = @_;
917
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
919	my $base = $1;
920	my $pkg = $1;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}
943	die $@;
944	}
945
946	push @EXTS, $pkg;
947	}
948
949	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
950	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1210	next unless -r $path;
952	eval {	1211
953	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	$progress = 1;
954	1	1269	}
955	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
956	}	1275	};
957	}	1276	}
958		1277
959	#############################################################################	1278	#############################################################################
		1279
		1280	=back
960		1281
961	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
962		1283
963	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
964		1285
…		…
1152	}	1473	}
1153		1474
1154	\@paths	1475	\@paths
1155	}	1476	}
1156		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1157	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1158		1529
1159	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1160		1531
1161	=cut	1532	=cut
1162		1533
1163	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1165		1536
1166	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1167		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1168	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1169	}	1544	}
1170		1545
1171	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1172		1547
1173	Sends an ext event to the client.	1548	Sends an ext event to the client.
1174		1549
1175	=cut	1550	=cut
1176		1551
1177	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1179		1554
1180	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1181	}	1556	}
1182		1557
1183	=head3 cf::region	1558	=head3 cf::region
1184		1559
1185	=over 4	1560	=over 4
…		…
1188		1563
1189	package cf::region;	1564	package cf::region;
1190		1565
1191	=item cf::region::find_by_path $path	1566	=item cf::region::find_by_path $path
1192		1567
1193	Tries to decuce the probable region for a map knowing only its path.	1568	Tries to decuce the likely region for a map knowing only its path.
1194		1569
1195	=cut	1570	=cut
1196		1571
1197	sub find_by_path($) {	1572	sub find_by_path($) {
1198	my ($path) = @_;	1573	my ($path) = @_;
1199		1574
1200	my ($match, $specificity);	1575	my ($match, $specificity);
1201		1576
1202	for my $region (list) {	1577	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1578	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1579	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1580	if $region->specificity > $specificity;
1206	}	1581	}
1207	}	1582	}
1208		1583
…		…
1272	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1273		1648
1274	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1275	local $self->{path};	1650	local $self->{path};
1276	local $self->{load_path};	1651	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1652
1280	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1281	}	1654	}
1282		1655
1283	sub normalise {	1656	sub normalise {
…		…
1330	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1331	return $self;	1704	return $self;
1332	}	1705	}
1333	}	1706	}
1334		1707
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1336	()	1709	()
1337	}	1710	}
1338		1711
1339	sub init {	1712	sub init {
1340	my ($self) = @_;	1713	my ($self) = @_;
…		…
1381	sub change_all_map_light {	1754	sub change_all_map_light {
1382	my ($change) = @_;	1755	my ($change) = @_;
1383		1756
1384	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1385	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
		1759	}
		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
1386	}	1767	}
1387		1768
1388	sub unlink_save {	1769	sub unlink_save {
1389	my ($self) = @_;	1770	my ($self) = @_;
1390		1771
…		…
1448	$self->load_header_orig	1829	$self->load_header_orig
1449	or return;	1830	or return;
1450	$self->prepare_orig;	1831	$self->prepare_orig;
1451	}	1832	}
1452		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
1453	$self->default_region (cf::region::find_by_path $self->{path})	1837	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	1838	unless $self->default_region;
1455		1839
1456	1	1840	1
1457	}	1841	}
…		…
1472	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1473		1857
1474	$map->load_header	1858	$map->load_header
1475	or return;	1859	or return;
1476		1860
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1480	$map->reset;	1864	$map->reset;
1481	undef $guard;	1865	undef $guard;
1482	return find $path;	1866	return find $path;
…		…
1537	$self->set_darkness_map;	1921	$self->set_darkness_map;
1538	Coro::cede;	1922	Coro::cede;
1539	$self->activate;	1923	$self->activate;
1540	}	1924	}
1541		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
1542	$self->in_memory (cf::MAP_IN_MEMORY);	1929	$self->in_memory (cf::MAP_IN_MEMORY);
1543	}	1930	}
1544		1931
1545	$self->post_load;	1932	$self->post_load;
1546	}	1933	}
…		…
1548	sub customise_for {	1935	sub customise_for {
1549	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1550		1937
1551	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1553		1943
1554	$self	1944	$self
1555	}	1945	}
1556		1946
1557	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1604		1994
1605	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1606	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1607	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1609	my $map = find $path	1999	if (my $map = find $path) {
1610	or next;
1611	$map->load;	2000	$map->load;
		2001	}
1612		2002
1613	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1614	}	2004	}
1615	}	2005	}
1616	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1668		2058
1669	sub reset_at {	2059	sub reset_at {
1670	my ($self) = @_;	2060	my ($self) = @_;
1671		2061
1672	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1675		2064
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2067
…		…
1689	my ($self) = @_;	2078	my ($self) = @_;
1690		2079
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2081
1693	return if $self->players;	2082	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2083
1696	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1697		2085
1698	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1699		2087
1700	# need to save uniques path	2088	# need to save uniques path
1701	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1733	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1734		2122
1735	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1736	}	2124	}
1737		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1738	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1739		2163
1740	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2165	instantiated unique items. May block.
1742		2166
1743	=cut	2167	=cut
1744		2168
1745	sub unique_maps() {	2169	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2170	[
1747	or return;	2171	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2172	utf8::decode $_;
1753	next if /\.pst$/;	2173	/\.map$/
1754	next unless /^$PATH_SEP/o;	2174	? normalise $_
1755		2175	: ()
1756	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2177	]
1758
1759	\@paths
1760	}	2178	}
1761		2179
1762	package cf;	2180	package cf;
1763		2181
1764	=back	2182	=back
…		…
1810		2228
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2230
1813	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1815	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1816	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1818	}	2245	}
1819	}	2246	}
1820		2247
1821	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1822		2249
…		…
1870	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1871		2298
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2300
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1876		2303
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1878	}	2305	}
1879		2306
1880	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1882		2311
1883	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1884		2313
1885	unless ($map) {	2314	unless ($map) {
1886	# restore original map position	2315	# restore original map position
…		…
1909		2338
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1912	}	2341	}
1913		2342
1914	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915	on_logout => sub {
1916	my ($pl) = @_;
1917		2344
1918	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1919	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1920	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1921	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1922	};	2349	be called at the end of this process.
1923	}
1924	},
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2350
1928	# try to abort aborted map switching on player login :)
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945
1946	=item $player_object->goto ($path, $x, $y)
1947
1948	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1949		2354
1950	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1951	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952		2360
1953	$self->enter_link;	2361	$self->enter_link;
1954		2362
1955	(async {	2363	(async {
1956	my $map = eval {	2364	my $map = eval {
1957	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1958	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1959	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1960	} or	2380	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1964	})->prio (1);	2388	})->prio (1);
1965	}	2389	}
1966		2390
1967	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1968		2392
…		…
2037	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
2039		2463
2040	$self->enter_link;	2464	$self->enter_link;
2041		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
		2469
2042	(async {	2470	(async {
2043	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
2044	unless (eval {	2472	unless (eval {
2045	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
2046		2474
…		…
2073		2501
2074	utf8::encode $text;	2502	utf8::encode $text;
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076	}	2504	}
2077		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
2078	=item $client->ext_event ($type, %msg)	2565	=item $client->ext_msg ($type, @msg)
2079		2566
2080	Sends an exti event to the client.	2567	Sends an ext event to the client.
2081		2568
2082	=cut	2569	=cut
2083		2570
2084	sub cf::client::ext_event($$%) {	2571	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	2572	my ($self, $type, @msg) = @_;
2086		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	2579	push @msg, msgtype => "event_$type";
2088	$self->send_packet ("ext " . cf::to_json \%msg);	2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2089	}	2582	}
2090		2583
2091	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2092		2585
2093	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096		2589
2097	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2098	reliable at some point in the future.	2591	become reliable at some point in the future.
2099		2592
2100	=cut	2593	=cut
2101		2594
2102	sub cf::client::query {	2595	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	2604	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		2606
2114	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2116	}	2611	}
2117		2612
2118	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2119	on_reply => sub {	2619	on_reply => sub {
2120	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2121		2621
2122	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2123	# get handled first	2623	# get handled first
…		…
2135	} else {	2635	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	2637	}
2138	}	2638	}
2139	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2140	);	2663	);
2141		2664
2142	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2143		2666
2144	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2193		2716
2194	=pod	2717	=pod
2195		2718
2196	The following functions and methods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2197		2720
2198	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2199	cf::object::player player	2725	cf::object::player
2200	cf::player peaceful	2726	player
2201	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2202		2733
2203	=cut	2734	=cut
2204		2735
2205	for (	2736	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2207	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2209	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2210	) {	2742	) {
2211	no strict 'refs';	2743	no strict 'refs';
…		…
2282	=back	2814	=back
2283		2815
2284	=cut	2816	=cut
2285		2817
2286	#############################################################################	2818	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459
2460	#############################################################################
2461	# the server's init and main functions	2819	# the server's init and main functions
2462		2820
2463	sub load_facedata($) {	2821	sub load_facedata($) {
2464	my ($path) = @_;	2822	my ($path) = @_;
2465		2823
…		…
2477	{	2835	{
2478	my $faces = $facedata->{faceinfo};	2836	my $faces = $facedata->{faceinfo};
2479		2837
2480	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2485	Coro::cede;	2844
		2845	cf::cede_to_tick;
2486	}	2846	}
2487		2847
2488	while (my ($face, $info) = each %$faces) {	2848	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	2849	next unless $info->{smooth};
2490	my $idx = cf::face::find $face	2850	my $idx = cf::face::find $face
2491	or next;	2851	or next;
2492	if (my $smooth = cf::face::find $info->{smooth}) {	2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	2855	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	2857	}
2497	Coro::cede;	2858
		2859	cf::cede_to_tick;
2498	}	2860	}
2499	}	2861	}
2500		2862
2501	{	2863	{
2502	my $anims = $facedata->{animinfo};	2864	my $anims = $facedata->{animinfo};
2503		2865
2504	while (my ($anim, $info) = each %$anims) {	2866	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	2868	cf::cede_to_tick;
2507	}	2869	}
2508		2870
2509	cf::anim::invalidate_all; # d'oh	2871	cf::anim::invalidate_all; # d'oh
2510	}	2872	}
2511		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914
		2915	cf::sound::set $sound->[0] => $face;
		2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2917	}
		2918
		2919	#TODO
		2920	}
		2921	}
		2922
2512	1	2923	1
2513	}	2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
2514		2933
2515	sub reload_regions {	2934	sub reload_regions {
2516	load_resource_file "$MAPDIR/regions"	2935	load_resource_file "$MAPDIR/regions"
2517	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 $_->{match};
		2941	}
2518	}	2942	}
2519		2943
2520	sub reload_facedata {	2944	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	2945	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	2946	or die "unable to load facedata\n";
2523	}	2947	}
2524		2948
2525	sub reload_archetypes {	2949	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	2950	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
		2955	load_resource_file "$DATADIR/archetypes"
		2956	or die "unable to load archetypes\n";
2528	}	2957	}
2529		2958
2530	sub reload_treasures {	2959	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	2960	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	2961	or die "unable to load treasurelists\n";
…		…
2535	sub reload_resources {	2964	sub reload_resources {
2536	warn "reloading resource files...\n";	2965	warn "reloading resource files...\n";
2537		2966
2538	reload_regions;	2967	reload_regions;
2539	reload_facedata;	2968	reload_facedata;
		2969	#reload_archetypes;#d#
2540	reload_archetypes;	2970	reload_archetypes;
2541	reload_treasures;	2971	reload_treasures;
2542		2972
2543	warn "finished reloading resource files\n";	2973	warn "finished reloading resource files\n";
2544	}	2974	}
…		…
2601	},	3031	},
2602	);	3032	);
2603	}	3033	}
2604	}	3034	}
2605		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
2606	sub emergency_save() {	3074	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2608		3076
2609	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2610		3078
…		…
2685	%EXT_CORO = ();	3153	%EXT_CORO = ();
2686		3154
2687	warn "removing commands";	3155	warn "removing commands";
2688	%COMMAND = ();	3156	%COMMAND = ();
2689		3157
2690	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2691	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2692		3161
2693	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2696		3165
…		…
2814	my $signal = new Coro::Signal;	3283	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	3284	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	3285	$signal->wait;
2817	}	3286	}
2818		3287
		3288	my $min = 1e6;#d#
		3289	my $avg = 10;
2819	$TICK_WATCHER = Event->timer (	3290	$TICK_WATCHER = Event->timer (
2820	reentrant => 0,	3291	reentrant => 0,
2821	parked => 1,	3292	parked => 1,
2822	prio => 0,	3293	prio => 0,
2823	at => $NEXT_TICK || $TICK,	3294	at => $NEXT_TICK || $TICK,
…		…
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3298	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	3299	unless ++$bug_warning > 10;
2829	return;	3300	return;
2830	}	3301	}
2831		3302
2832	$NOW = Event::time;	3303	$NOW = $tick_start = Event::time;
2833		3304
2834	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	};
2835		3329
2836	$RUNTIME += $TICK;	3330	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;	3331	$NEXT_TICK += $TICK;
2838		3332
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3333	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2845	}	3339	}
2846		3340
2847	# my $AFTER = Event::time;	3341	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#	3342	# warn $AFTER - $NOW;#d#
2849		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
2850	# 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
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3354	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2852		3355
2853	$TICK_WATCHER->at ($NEXT_TICK);	3356	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;	3357	$TICK_WATCHER->start;
2855		3358
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3359	$LOAD = ($NOW - $tick_start) / $TICK;
2857	$sig->send;	3360	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862		3361
2863	_post_tick;	3362	_post_tick;
		3363
		3364
2864	},	3365	},
2865	);	3366	);
2866		3367
2867	{	3368	{
2868	BDB::max_poll_time $TICK * 0.1;	3369	BDB::max_poll_time $TICK * 0.1;

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