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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 1.315 by root, Mon Jul 23 17:53:55 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) {
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
914	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
915	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
921		1194
922	cf::override;	1195	cf::override;
923	},	1196	},
924	);	1197	);
925		1198
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 {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
961	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1204	next unless -r $path;
963	eval {	1205
964	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
965	1	1263	}
966	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
967	}	1269	};
968	}	1270	}
969		1271
970	#############################################################################	1272	#############################################################################
		1273
		1274	=back
971		1275
972	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
973		1277
974	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
975		1279
…		…
1163	}	1467	}
1164		1468
1165	\@paths	1469	\@paths
1166	}	1470	}
1167		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1168	=item $player->ext_reply ($msgid, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1169		1523
1170	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1171		1525
1172	=cut	1526	=cut
1173		1527
1174	sub ext_reply($$%) {	1528	sub ext_reply($$%) {
1175	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1176		1530
1177	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1178		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1533	}
1181		1534
1182	=item $player->ext_event ($type, %msg)	1535	=item $player->ext_event ($type, %msg)
1183		1536
1184	Sends an ext event to the client.	1537	Sends an ext event to the client.
…		…
1199		1552
1200	package cf::region;	1553	package cf::region;
1201		1554
1202	=item cf::region::find_by_path $path	1555	=item cf::region::find_by_path $path
1203		1556
1204	Tries to decuce the probable region for a map knowing only its path.	1557	Tries to decuce the likely region for a map knowing only its path.
1205		1558
1206	=cut	1559	=cut
1207		1560
1208	sub find_by_path($) {	1561	sub find_by_path($) {
1209	my ($path) = @_;	1562	my ($path) = @_;
1210		1563
1211	my ($match, $specificity);	1564	my ($match, $specificity);
1212		1565
1213	for my $region (list) {	1566	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1567	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1568	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1569	if $region->specificity > $specificity;
1217	}	1570	}
1218	}	1571	}
1219		1572
…		…
1283	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1284		1637
1285	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1286	local $self->{path};	1639	local $self->{path};
1287	local $self->{load_path};	1640	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1641
1291	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1292	}	1643	}
1293		1644
1294	sub normalise {	1645	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1342	return $self;	1693	return $self;
1343	}	1694	}
1344	}	1695	}
1345		1696
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1698	()
1348	}	1699	}
1349		1700
1350	sub init {	1701	sub init {
1351	my ($self) = @_;	1702	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1743	sub change_all_map_light {
1393	my ($change) = @_;	1744	my ($change) = @_;
1394		1745
1395	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
		1748	}
		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
1397	}	1756	}
1398		1757
1399	sub unlink_save {	1758	sub unlink_save {
1400	my ($self) = @_;	1759	my ($self) = @_;
1401		1760
…		…
1459	$self->load_header_orig	1818	$self->load_header_orig
1460	or return;	1819	or return;
1461	$self->prepare_orig;	1820	$self->prepare_orig;
1462	}	1821	}
1463		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
1464	$self->default_region (cf::region::find_by_path $self->{path})	1826	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1827	unless $self->default_region;
1466		1828
1467	1	1829	1
1468	}	1830	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1484		1846
1485	$map->load_header	1847	$map->load_header
1486	or return;	1848	or return;
1487		1849
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1853	$map->reset;
1492	undef $guard;	1854	undef $guard;
1493	return find $path;	1855	return find $path;
…		…
1560	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1561		1923
1562	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1925	if $self->per_player;
1564		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
		1929
1565	$self	1930	$self
1566	}	1931	}
1567		1932
1568	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1934	sub load_diag {
…		…
1615		1980
1616	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1617	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1620	my $map = find $path	1985	if (my $map = find $path) {
1621	or next;
1622	$map->load;	1986	$map->load;
		1987	}
1623		1988
1624	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1625	}	1990	}
1626	}	1991	}
1627	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1679		2044
1680	sub reset_at {	2045	sub reset_at {
1681	my ($self) = @_;	2046	my ($self) = @_;
1682		2047
1683	# TODO: safety, remove and allow resettable per-player maps	2048	# 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};	2049	return 1e99 if $self->{deny_reset};
1686		2050
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2053
…		…
1700	my ($self) = @_;	2064	my ($self) = @_;
1701		2065
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2067
1704	return if $self->players;	2068	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2069
1707	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1708		2071
1709	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1710		2073
1711	# need to save uniques path	2074	# need to save uniques path
1712	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1745		2108
1746	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1747	}	2110	}
1748		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1749	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1750		2149
1751	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2151	instantiated unique items. May block.
1753		2152
1754	=cut	2153	=cut
1755		2154
1756	sub unique_maps() {	2155	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2156	[
1758	or return;	2157	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2158	utf8::decode $_;
1764	next if /\.pst$/;	2159	/\.map$/
1765	next unless /^$PATH_SEP/o;	2160	? normalise $_
1766		2161	: ()
1767	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2163	]
1769
1770	\@paths
1771	}	2164	}
1772		2165
1773	package cf;	2166	package cf;
1774		2167
1775	=back	2168	=back
…		…
1821		2214
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2216
1824	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1826	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1829	}	2236	}
1830	}	2237	}
1831		2238
1832	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1833		2240
…		…
1881	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1882		2289
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2291
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1887		2294
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2296	}
1890		2297
1891	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1893		2302
1894	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1895		2304
1896	unless ($map) {	2305	unless ($map) {
1897	# restore original map position	2306	# restore original map position
…		…
1920		2329
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1923	}	2332	}
1924		2333
1925	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2335
1929	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1933	};	2340	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2341
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	2342	=cut
		2343
		2344	our $GOTOGEN;
1960		2345
1961	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2351
1964	$self->enter_link;	2352	$self->enter_link;
1965		2353
1966	(async {	2354	(async {
1967	my $map = eval {	2355	my $map = eval {
1968	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1970	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2371	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1975	})->prio (1);	2379	})->prio (1);
1976	}	2380	}
1977		2381
1978	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1979		2383
…		…
2048	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
2050		2454
2051	$self->enter_link;	2455	$self->enter_link;
2052		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
		2460
2053	(async {	2461	(async {
2054	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2463	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
2057		2465
…		…
2084		2492
2085	utf8::encode $text;	2493	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2495	}
2088		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
2089	=item $client->ext_event ($type, %msg)	2549	=item $client->ext_event ($type, %msg)
2090		2550
2091	Sends an exti event to the client.	2551	Sends an ext event to the client.
2092		2552
2093	=cut	2553	=cut
2094		2554
2095	sub cf::client::ext_event($$%) {	2555	sub cf::client::ext_event($$%) {
2096	my ($self, $type, %msg) = @_;	2556	my ($self, $type, %msg) = @_;
2097		2557
		2558	return unless $self->extcmd;
		2559
2098	$msg{msgtype} = "event_$type";	2560	$msg{msgtype} = "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2100	}	2562	}
2101		2563
2102	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
2103		2565
2104	Queues a query to the client, calling the given callback with	2566	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>,	2567	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>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2569
2108	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2571	become reliable at some point in the future.
2110		2572
2111	=cut	2573	=cut
2112		2574
2113	sub cf::client::query {	2575	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2584	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2586
2125	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2127	}	2591	}
2128		2592
2129	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2130	on_reply => sub {	2599	on_reply => sub {
2131	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2132		2601
2133	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2134	# get handled first	2603	# get handled first
…		…
2146	} else {	2615	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2617	}
2149	}	2618	}
2150	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2151	);	2638	);
2152		2639
2153	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2154		2641
2155	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2204		2691
2205	=pod	2692	=pod
2206		2693
2207	The following functions and methods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2208		2695
2209	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2210	cf::object::player player	2700	cf::object::player
2211	cf::player peaceful	2701	player
2212	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2213		2708
2214	=cut	2709	=cut
2215		2710
2216	for (	2711	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2218	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2221	) {	2717	) {
2222	no strict 'refs';	2718	no strict 'refs';
…		…
2293	=back	2789	=back
2294		2790
2295	=cut	2791	=cut
2296		2792
2297	#############################################################################	2793	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$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 $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2794	# the server's init and main functions
2473		2795
2474	sub load_facedata($) {	2796	sub load_facedata($) {
2475	my ($path) = @_;	2797	my ($path) = @_;
2476		2798
…		…
2488	{	2810	{
2489	my $faces = $facedata->{faceinfo};	2811	my $faces = $facedata->{faceinfo};
2490		2812
2491	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2496	Coro::cede;	2819
		2820	cf::cede_to_tick;
2497	}	2821	}
2498		2822
2499	while (my ($face, $info) = each %$faces) {	2823	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2824	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2825	my $idx = cf::face::find $face
2502	or next;	2826	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2830	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2832	}
2508	Coro::cede;	2833
		2834	cf::cede_to_tick;
2509	}	2835	}
2510	}	2836	}
2511		2837
2512	{	2838	{
2513	my $anims = $facedata->{animinfo};	2839	my $anims = $facedata->{animinfo};
2514		2840
2515	while (my ($anim, $info) = each %$anims) {	2841	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2843	cf::cede_to_tick;
2518	}	2844	}
2519		2845
2520	cf::anim::invalidate_all; # d'oh	2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
2521	}	2877	}
2522		2878
2523	1	2879	1
2524	}	2880	}
2525		2881
2526	sub reload_regions {	2882	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2883	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
2529	}	2890	}
2530		2891
2531	sub reload_facedata {	2892	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2893	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2894	or die "unable to load facedata\n";
2534	}	2895	}
2535		2896
2536	sub reload_archetypes {	2897	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2898	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
2539	}	2905	}
2540		2906
2541	sub reload_treasures {	2907	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2908	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2909	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2912	sub reload_resources {
2547	warn "reloading resource files...\n";	2913	warn "reloading resource files...\n";
2548		2914
2549	reload_regions;	2915	reload_regions;
2550	reload_facedata;	2916	reload_facedata;
		2917	#reload_archetypes;#d#
2551	reload_archetypes;	2918	reload_archetypes;
2552	reload_treasures;	2919	reload_treasures;
2553		2920
2554	warn "finished reloading resource files\n";	2921	warn "finished reloading resource files\n";
2555	}	2922	}
…		…
2612	},	2979	},
2613	);	2980	);
2614	}	2981	}
2615	}	2982	}
2616		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2617	sub emergency_save() {	3022	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2619		3024
2620	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2621		3026
…		…
2696	%EXT_CORO = ();	3101	%EXT_CORO = ();
2697		3102
2698	warn "removing commands";	3103	warn "removing commands";
2699	%COMMAND = ();	3104	%COMMAND = ();
2700		3105
2701	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2703		3109
2704	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2707		3113
…		…
2825	my $signal = new Coro::Signal;	3231	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3232	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3233	$signal->wait;
2828	}	3234	}
2829		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3239	reentrant => 0,
2832	parked => 1,	3240	parked => 1,
2833	prio => 0,	3241	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2840	return;	3248	return;
2841	}	3249	}
2842		3250
2843	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2844		3252
2845	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
2846		3277
2847	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2849		3280
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3287	}
2857		3288
2858	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2860		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2861	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3303
2864	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
2866		3306
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3307	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3309
2874	_post_tick;	3310	_post_tick;
		3311
		3312
2875	},	3313	},
2876	);	3314	);
2877		3315
2878	{	3316	{
2879	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;

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