ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.311 by root, Fri Jul 20 16:11:10 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 $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
303		334
304	BEGIN { *async = \&Coro::async_pool }	335	BEGIN { *async = \&Coro::async_pool }
305		336
306	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
307		338
308	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
311		343
312	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
315	fast or be very important.	347	fast or be very important.
…		…
318		350
319	sub sync_job(&) {	351	sub sync_job(&) {
320	my ($job) = @_;	352	my ($job) = @_;
321		353
322	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
323	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
325		359
326	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	361	# (but this is cancel-safe)
…		…
338		372
339	while ($busy) {	373	while ($busy) {
340	Coro::cede or Event::one_event;	374	Coro::cede or Event::one_event;
341	}	375	}
342		376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
		383
343	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
344	} else {	385	} else {
345	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
346		387
347	$job->()	388	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
367		408
368	$coro	409	$coro
369	}	410	}
370		411
371	sub write_runtime {	412	=item fork_call { }, $args
372	my $runtime = "$LOCALDIR/runtime";
373		413
374	# first touch the runtime file to show we are still running:	414	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
376		418
377	warn "touching runtime...\n";#d#	419	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
379	utime undef, undef, $fh;
380	}
381		420
382	my $guard = cf::lock_acquire "write_runtime";	421	sub _store_scalar {
383		422	open my $fh, ">", \my $buf
384	warn "starting to write runtime...\n";#d#	423	or die "fork_call: cannot open fh-to-buf in child : $!";
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	424	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	425	close $fh;
403	or return;
404		426
405	aio_rename "$runtime~", $runtime	427	$buf
406	and return;	428	}
407		429
408	warn "... done writing runtime.\n";#d#	430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
409		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
410	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
411	}	588	}
412		589
413	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
414		591
415	Log a datalog packet of the given type with the given key-value pairs.	592	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")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
435		612
436	In the following description, CLASS can be any of C<global>, C<object>	613	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	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	615	Crossfire TRT).
439		616
440	=over 4	617	=over 4
441		618
442	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
443		620
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
607		784
608	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		789
613	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	791	my $pkg = shift @arg;
615		792
616	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
645	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
646	}	823	}
647		824
648	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
649	} else {	826	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
651	}	828	}
652		829
653	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
654	}	831	}
655		832
…		…
657	if (ref $_[0]) {	834	if (ref $_[0]) {
658	_object_attach @_;	835	_object_attach @_;
659	} else {	836	} else {
660	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
661	}	838	}
		839	_recalc_want;
662	};	840	};
663		841
664	# all those should be optimised	842	# all those should be optimised
665	sub cf::attachable::detach {	843	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
670	reattach ($obj);	848	reattach ($obj);
671	} else {	849	} else {
672	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
673	}	851	}
		852	_recalc_want;
674	};	853	};
675		854
676	sub cf::attachable::attached {	855	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
678		857
…		…
693	";	872	";
694	die if $@;	873	die if $@;
695	}	874	}
696		875
697	our $override;	876	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		878
700	sub override {	879	sub override {
701	$override = 1;	880	$override = 1;
702	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
703	}	882	}
704		883
705	sub do_invoke {	884	sub do_invoke {
706	my $event = shift;	885	my $event = shift;
707	my $callbacks = shift;	886	my $callbacks = shift;
708		887
709	@invoke_results = ();	888	@INVOKE_RESULTS = ();
710		889
711	local $override;	890	local $override;
712		891
713	for (@$callbacks) {	892	for (@$callbacks) {
714	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
731		910
732	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
733		912
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	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	914	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		916
738	=back	917	=back
739		918
740	=cut	919	=cut
741		920
…		…
851	or return;	1030	or return;
852	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
853	}	1032	}
854		1033
855	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
857	return ($data, $av);	1036	return ($data, $av);
858	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
859		1044
860	#############################################################################	1045	#############################################################################
861	# command handling &c	1046	# command handling &c
862		1047
863	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1062	}
878		1063
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1065
881	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
882		1071
883	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
884	called.	1073	called.
885		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
886	=cut	1086	=cut
887		1087
888	sub register_extcmd {	1088	sub register_extcmd {
889	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
890		1090
891	$EXTCMD{$name} = $cb;	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
892	}	1098	}
893		1099
894	cf::player->attach (	1100	cf::player->attach (
895	on_command => sub {	1101	on_command => sub {
896	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
905	cf::override;	1111	cf::override;
906	},	1112	},
907	on_extcmd => sub {	1113	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
909		1115
910	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1117
912	if (ref $msg) {	1118	if (ref $msg) {
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
914	if (my %reply = $cb->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
915	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
921		1127
922	cf::override;	1128	cf::override;
923	},	1129	},
924	);	1130	);
925		1131
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 {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
961	for my $ext (<$LIBDIR/*.ext>) {	1136	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1137	next unless -r $path;
963	eval {	1138
964	load_extension $ext;	1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
965	1	1196	}
966	} or warn "$ext not loaded: $@";	1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
967	}	1202	};
968	}	1203	}
969		1204
970	#############################################################################	1205	#############################################################################
		1206
		1207	=back
971		1208
972	=head2 CORE EXTENSIONS	1209	=head2 CORE EXTENSIONS
973		1210
974	Functions and methods that extend core crossfire objects.	1211	Functions and methods that extend core crossfire objects.
975		1212
…		…
1163	}	1400	}
1164		1401
1165	\@paths	1402	\@paths
1166	}	1403	}
1167		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
1168	=item $player->ext_reply ($msgid, %msg)	1455	=item $player->ext_reply ($msgid, %msg)
1169		1456
1170	Sends an ext reply to the player.	1457	Sends an ext reply to the player.
1171		1458
1172	=cut	1459	=cut
1173		1460
1174	sub ext_reply($$%) {	1461	sub ext_reply($$%) {
1175	my ($self, $id, %msg) = @_;	1462	my ($self, $id, %msg) = @_;
1176		1463
1177	$msg{msgid} = $id;	1464	$msg{msgid} = $id;
1178		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1466	}
1181		1467
1182	=item $player->ext_event ($type, %msg)	1468	=item $player->ext_event ($type, %msg)
1183		1469
1184	Sends an ext event to the client.	1470	Sends an ext event to the client.
…		…
1199		1485
1200	package cf::region;	1486	package cf::region;
1201		1487
1202	=item cf::region::find_by_path $path	1488	=item cf::region::find_by_path $path
1203		1489
1204	Tries to decuce the probable region for a map knowing only its path.	1490	Tries to decuce the likely region for a map knowing only its path.
1205		1491
1206	=cut	1492	=cut
1207		1493
1208	sub find_by_path($) {	1494	sub find_by_path($) {
1209	my ($path) = @_;	1495	my ($path) = @_;
1210		1496
1211	my ($match, $specificity);	1497	my ($match, $specificity);
1212		1498
1213	for my $region (list) {	1499	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1500	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1501	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1502	if $region->specificity > $specificity;
1217	}	1503	}
1218	}	1504	}
1219		1505
…		…
1283	my ($self, $merge) = @_;	1569	my ($self, $merge) = @_;
1284		1570
1285	# we have to keep some variables in memory intact	1571	# we have to keep some variables in memory intact
1286	local $self->{path};	1572	local $self->{path};
1287	local $self->{load_path};	1573	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1574
1291	$self->SUPER::thawer_merge ($merge);	1575	$self->SUPER::thawer_merge ($merge);
1292	}	1576	}
1293		1577
1294	sub normalise {	1578	sub normalise {
…		…
1341	$self->init; # pass $1 etc.	1625	$self->init; # pass $1 etc.
1342	return $self;	1626	return $self;
1343	}	1627	}
1344	}	1628	}
1345		1629
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
1347	()	1631	()
1348	}	1632	}
1349		1633
1350	sub init {	1634	sub init {
1351	my ($self) = @_;	1635	my ($self) = @_;
…		…
1392	sub change_all_map_light {	1676	sub change_all_map_light {
1393	my ($change) = @_;	1677	my ($change) = @_;
1394		1678
1395	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1396	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
		1681	}
		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
1397	}	1689	}
1398		1690
1399	sub unlink_save {	1691	sub unlink_save {
1400	my ($self) = @_;	1692	my ($self) = @_;
1401		1693
…		…
1459	$self->load_header_orig	1751	$self->load_header_orig
1460	or return;	1752	or return;
1461	$self->prepare_orig;	1753	$self->prepare_orig;
1462	}	1754	}
1463		1755
		1756	$self->{deny_reset} = 1
		1757	if $self->no_reset;
		1758
1464	$self->default_region (cf::region::find_by_path $self->{path})	1759	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	1760	unless $self->default_region;
1466		1761
1467	1	1762	1
1468	}	1763	}
…		…
1483	$map->{last_save} = $cf::RUNTIME;	1778	$map->{last_save} = $cf::RUNTIME;
1484		1779
1485	$map->load_header	1780	$map->load_header
1486	or return;	1781	or return;
1487		1782
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	1784	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	1785	#$cf::WAIT_FOR_TICK->wait;
1491	$map->reset;	1786	$map->reset;
1492	undef $guard;	1787	undef $guard;
1493	return find $path;	1788	return find $path;
…		…
1560	my ($self, $ob) = @_;	1855	my ($self, $ob) = @_;
1561		1856
1562	return find "~" . $ob->name . "/" . $self->{path}	1857	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	1858	if $self->per_player;
1564		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
1565	$self	1863	$self
1566	}	1864	}
1567		1865
1568	# find and load all maps in the 3x3 area around a map	1866	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {	1867	sub load_diag {
…		…
1615		1913
1616	undef $MAP_PREFETCH{$path};	1914	undef $MAP_PREFETCH{$path};
1617	$MAP_PREFETCHER ||= cf::async {	1915	$MAP_PREFETCHER ||= cf::async {
1618	while (%MAP_PREFETCH) {	1916	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	1917	for my $path (keys %MAP_PREFETCH) {
1620	my $map = find $path	1918	if (my $map = find $path) {
1621	or next;
1622	$map->load;	1919	$map->load;
		1920	}
1623		1921
1624	delete $MAP_PREFETCH{$path};	1922	delete $MAP_PREFETCH{$path};
1625	}	1923	}
1626	}	1924	}
1627	undef $MAP_PREFETCHER;	1925	undef $MAP_PREFETCHER;
…		…
1679		1977
1680	sub reset_at {	1978	sub reset_at {
1681	my ($self) = @_;	1979	my ($self) = @_;
1682		1980
1683	# TODO: safety, remove and allow resettable per-player maps	1981	# 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};	1982	return 1e99 if $self->{deny_reset};
1686		1983
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		1986
…		…
1700	my ($self) = @_;	1997	my ($self) = @_;
1701		1998
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2000
1704	return if $self->players;	2001	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2002
1707	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
1708		2004
1709	$self->in_memory (cf::MAP_SWAPPED);	2005	$self->in_memory (cf::MAP_SWAPPED);
1710		2006
1711	# need to save uniques path	2007	# need to save uniques path
1712	unless ($self->{deny_save}) {	2008	unless ($self->{deny_save}) {
…		…
1744	$cf::MAP{$self->path} = $self;	2040	$cf::MAP{$self->path} = $self;
1745		2041
1746	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1747	}	2043	}
1748		2044
		2045	=item $maps = cf::map::tmp_maps
		2046
		2047	Returns an arrayref with all map paths of currently instantiated and saved
		2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
		2053	[
		2054	map {
		2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
		2061	}
		2062
		2063	=item $maps = cf::map::random_maps
		2064
		2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
		2067
		2068	=cut
		2069
		2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
1749	=item cf::map::unique_maps	2081	=item cf::map::unique_maps
1750		2082
1751	Returns an arrayref of paths of all shared maps that have	2083	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2084	instantiated unique items. May block.
1753		2085
1754	=cut	2086	=cut
1755		2087
1756	sub unique_maps() {	2088	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2089	[
1758	or return;	2090	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2091	utf8::decode $_;
1764	next if /\.pst$/;	2092	/\.map$/
1765	next unless /^$PATH_SEP/o;	2093	? normalise $_
1766		2094	: ()
1767	push @paths, cf::map::normalise $_;	2095	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2096	]
1769
1770	\@paths
1771	}	2097	}
1772		2098
1773	package cf;	2099	package cf;
1774		2100
1775	=back	2101	=back
…		…
1821		2147
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2149
1824	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1826	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1829	}	2169	}
1830	}	2170	}
1831		2171
1832	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1833		2173
…		…
1881	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1882		2222
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2224
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1887		2227
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1889	}	2229	}
1890		2230
1891	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1893		2235
1894	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1895		2237
1896	unless ($map) {	2238	unless ($map) {
1897	# restore original map position	2239	# restore original map position
…		…
1920		2262
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1923	}	2265	}
1924		2266
1925	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1926	on_logout => sub {
1927	my ($pl) = @_;
1928		2268
1929	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1930	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1931	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1932	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1933	};	2273	be called at the end of this process.
1934	}
1935	},
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2274
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	2275	=cut
		2276
		2277	our $GOTOGEN;
1960		2278
1961	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2284
1964	$self->enter_link;	2285	$self->enter_link;
1965		2286
1966	(async {	2287	(async {
1967	my $map = eval {	2288	my $map = eval {
1968	my $map = cf::map::find $path;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
		2293	$map = $check->($map) if $check && $map;
		2294	} else {
		2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
		2297
1970	$map	2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2304	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1975	})->prio (1);	2312	})->prio (1);
1976	}	2313	}
1977		2314
1978	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1979		2316
…		…
2048	my $hp = $exit->stats->hp;	2385	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;	2386	my $sp = $exit->stats->sp;
2050		2387
2051	$self->enter_link;	2388	$self->enter_link;
2052		2389
		2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
		2393
2053	(async {	2394	(async {
2054	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
2055	unless (eval {	2396	unless (eval {
2056	$self->goto ($slaying, $hp, $sp);	2397	$self->goto ($slaying, $hp, $sp);
2057		2398
…		…
2084		2425
2085	utf8::encode $text;	2426	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2428	}
2088		2429
		2430	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $channel, $msg, $color, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	$color &= ~cf::NDI_UNIQUE; # just in case...
		2447
		2448	if (ref $channel) {
		2449	# send meta info to client, if not yet sent
		2450	unless (exists $self->{channel}{$channel->{id}}) {
		2451	$self->{channel}{$channel->{id}} = $channel;
		2452	$self->ext_event (channel_info => %$channel);
		2453	}
		2454
		2455	$channel = $channel->{id};
		2456	}
		2457
		2458	if ($self->can_msg) {
		2459	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2460	} else {
		2461	# replace some tags by gcfclient-compatible ones
		2462	for ($msg) {
		2463	1 while
		2464	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2465	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2466	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2467	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2468	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2469	}
		2470
		2471	if ($color >= 0) {
		2472	if (0 && $msg =~ /\[/) {
		2473	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2474	} else {
		2475	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2476	$self->send_packet ("drawinfo $color $msg")
		2477	}
		2478	}
		2479	}
		2480	}
		2481
2089	=item $client->ext_event ($type, %msg)	2482	=item $client->ext_event ($type, %msg)
2090		2483
2091	Sends an exti event to the client.	2484	Sends an ext event to the client.
2092		2485
2093	=cut	2486	=cut
2094		2487
2095	sub cf::client::ext_event($$%) {	2488	sub cf::client::ext_event($$%) {
2096	my ($self, $type, %msg) = @_;	2489	my ($self, $type, %msg) = @_;
2097		2490
		2491	return unless $self->extcmd;
		2492
2098	$msg{msgtype} = "event_$type";	2493	$msg{msgtype} = "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	2494	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2100	}	2495	}
2101		2496
2102	=item $success = $client->query ($flags, "text", \&cb)	2497	=item $success = $client->query ($flags, "text", \&cb)
2103		2498
2104	Queues a query to the client, calling the given callback with	2499	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>,	2500	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>.	2501	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		2502
2108	Queries can fail, so check the return code. Or don't, as queries will become	2503	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	2504	become reliable at some point in the future.
2110		2505
2111	=cut	2506	=cut
2112		2507
2113	sub cf::client::query {	2508	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	2509	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	2517	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2518	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		2519
2125	$self->send_packet ($self->{query_queue}[0][0])	2520	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	2521	if @{ $self->{query_queue} } == 1;
		2522
		2523	1
2127	}	2524	}
2128		2525
2129	cf::client->attach (	2526	cf::client->attach (
		2527	on_connect => sub {
		2528	my ($ns) = @_;
		2529
		2530	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2531	},
2130	on_reply => sub {	2532	on_reply => sub {
2131	my ($ns, $msg) = @_;	2533	my ($ns, $msg) = @_;
2132		2534
2133	# this weird shuffling is so that direct followup queries	2535	# this weird shuffling is so that direct followup queries
2134	# get handled first	2536	# get handled first
…		…
2146	} else {	2548	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2549	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	2550	}
2149	}	2551	}
2150	},	2552	},
		2553	on_exticmd => sub {
		2554	my ($ns, $buf) = @_;
		2555
		2556	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2557
		2558	if (ref $msg) {
		2559	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2560	if (my %reply = $cb->($ns, $msg)) {
		2561	$reply{msgid} = $msg->{msgid};
		2562	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2563	}
		2564	}
		2565	} else {
		2566	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2567	}
		2568
		2569	cf::override;
		2570	},
2151	);	2571	);
2152		2572
2153	=item $client->async (\&cb)	2573	=item $client->async (\&cb)
2154		2574
2155	Create a new coroutine, running the specified callback. The coroutine will	2575	Create a new coroutine, running the specified callback. The coroutine will
…		…
2204		2624
2205	=pod	2625	=pod
2206		2626
2207	The following functions and methods are available within a safe environment:	2627	The following functions and methods are available within a safe environment:
2208		2628
2209	cf::object contr pay_amount pay_player map	2629	cf::object
		2630	contr pay_amount pay_player map x y force_find force_add
		2631	insert remove
		2632
2210	cf::object::player player	2633	cf::object::player
2211	cf::player peaceful	2634	player
2212	cf::map trigger	2635
		2636	cf::player
		2637	peaceful
		2638
		2639	cf::map
		2640	trigger
2213		2641
2214	=cut	2642	=cut
2215		2643
2216	for (	2644	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	2645	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2646	insert remove)],
2218	["cf::object::player" => qw(player)],	2647	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	2648	["cf::player" => qw(peaceful)],
2220	["cf::map" => qw(trigger)],	2649	["cf::map" => qw(trigger)],
2221	) {	2650	) {
2222	no strict 'refs';	2651	no strict 'refs';
…		…
2293	=back	2722	=back
2294		2723
2295	=cut	2724	=cut
2296		2725
2297	#############################################################################	2726	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$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 $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470
2471	#############################################################################
2472	# the server's init and main functions	2727	# the server's init and main functions
2473		2728
2474	sub load_facedata($) {	2729	sub load_facedata($) {
2475	my ($path) = @_;	2730	my ($path) = @_;
2476		2731
…		…
2488	{	2743	{
2489	my $faces = $facedata->{faceinfo};	2744	my $faces = $facedata->{faceinfo};
2490		2745
2491	while (my ($face, $info) = each %$faces) {	2746	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2747	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2748	cf::face::set_visibility $idx, $info->{visibility};
		2749	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2750	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2751	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2496	Coro::cede;	2752
		2753	cf::cede_to_tick;
2497	}	2754	}
2498		2755
2499	while (my ($face, $info) = each %$faces) {	2756	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	2757	next unless $info->{smooth};
2501	my $idx = cf::face::find $face	2758	my $idx = cf::face::find $face
2502	or next;	2759	or next;
2503	if (my $smooth = cf::face::find $info->{smooth}) {	2760	if (my $smooth = cf::face::find $info->{smooth}) {
		2761	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2762	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	2763	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	2764	warn "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	2765	}
2508	Coro::cede;	2766
		2767	cf::cede_to_tick;
2509	}	2768	}
2510	}	2769	}
2511		2770
2512	{	2771	{
2513	my $anims = $facedata->{animinfo};	2772	my $anims = $facedata->{animinfo};
2514		2773
2515	while (my ($anim, $info) = each %$anims) {	2774	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	2775	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	2776	cf::cede_to_tick;
2518	}	2777	}
2519		2778
2520	cf::anim::invalidate_all; # d'oh	2779	cf::anim::invalidate_all; # d'oh
		2780	}
		2781
		2782	{
		2783	# TODO: for gcfclient pleasure, we should give resources
		2784	# that gcfclient doesn't grok a >10000 face index.
		2785	my $res = $facedata->{resource};
		2786	my $enc = JSON::XS->new->utf8->canonical;
		2787
		2788	while (my ($name, $info) = each %$res) {
		2789	my $meta = $enc->encode ({
		2790	name => $name,
		2791	type => $info->{type},
		2792	copyright => $info->{copyright}, #TODO#
		2793	});
		2794
		2795	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2796
		2797	if ($name =~ /\.jpg$/) {
		2798	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2799	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2800	} else {
		2801	my $data = pack "(w/a*)*", $meta, $info->{data};
		2802	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2803
		2804	cf::face::set_type $idx, 1;
		2805	cf::face::set_data $idx, 0, $data, $chk;
		2806	}
		2807
		2808	cf::cede_to_tick;
		2809	}
2521	}	2810	}
2522		2811
2523	1	2812	1
2524	}	2813	}
2525		2814
2526	sub reload_regions {	2815	sub reload_regions {
2527	load_resource_file "$MAPDIR/regions"	2816	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	2817	or die "unable to load regions file\n";
		2818
		2819	for (cf::region::list) {
		2820	$_->{match} = qr/$_->{match}/
		2821	if exists $_->{match};
		2822	}
2529	}	2823	}
2530		2824
2531	sub reload_facedata {	2825	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	2826	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	2827	or die "unable to load facedata\n";
2534	}	2828	}
2535		2829
2536	sub reload_archetypes {	2830	sub reload_archetypes {
2537	load_resource_file "$DATADIR/archetypes"	2831	load_resource_file "$DATADIR/archetypes"
2538	or die "unable to load archetypes\n";	2832	or die "unable to load archetypes\n";
		2833	#d# NEED to laod twice to resolve forward references
		2834	# this really needs to be done in an extra post-pass
		2835	# (which needs to be synchronous, so solve it differently)
		2836	load_resource_file "$DATADIR/archetypes"
		2837	or die "unable to load archetypes\n";
2539	}	2838	}
2540		2839
2541	sub reload_treasures {	2840	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	2841	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	2842	or die "unable to load treasurelists\n";
…		…
2546	sub reload_resources {	2845	sub reload_resources {
2547	warn "reloading resource files...\n";	2846	warn "reloading resource files...\n";
2548		2847
2549	reload_regions;	2848	reload_regions;
2550	reload_facedata;	2849	reload_facedata;
		2850	#reload_archetypes;#d#
2551	reload_archetypes;	2851	reload_archetypes;
2552	reload_treasures;	2852	reload_treasures;
2553		2853
2554	warn "finished reloading resource files\n";	2854	warn "finished reloading resource files\n";
2555	}	2855	}
…		…
2612	},	2912	},
2613	);	2913	);
2614	}	2914	}
2615	}	2915	}
2616		2916
		2917	sub write_runtime {
		2918	my $runtime = "$LOCALDIR/runtime";
		2919
		2920	# first touch the runtime file to show we are still running:
		2921	# the fsync below can take a very very long time.
		2922
		2923	IO::AIO::aio_utime $runtime, undef, undef;
		2924
		2925	my $guard = cf::lock_acquire "write_runtime";
		2926
		2927	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2928	or return;
		2929
		2930	my $value = $cf::RUNTIME + 90 + 10;
		2931	# 10 is the runtime save interval, for a monotonic clock
		2932	# 60 allows for the watchdog to kill the server.
		2933
		2934	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2935	and return;
		2936
		2937	# always fsync - this file is important
		2938	aio_fsync $fh
		2939	and return;
		2940
		2941	# touch it again to show we are up-to-date
		2942	aio_utime $fh, undef, undef;
		2943
		2944	close $fh
		2945	or return;
		2946
		2947	aio_rename "$runtime~", $runtime
		2948	and return;
		2949
		2950	warn "runtime file written.\n";
		2951
		2952	1
		2953	}
		2954
2617	sub emergency_save() {	2955	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	2956	my $freeze_guard = cf::freeze_mainloop;
2619		2957
2620	warn "enter emergency perl save\n";	2958	warn "enter emergency perl save\n";
2621		2959
…		…
2696	%EXT_CORO = ();	3034	%EXT_CORO = ();
2697		3035
2698	warn "removing commands";	3036	warn "removing commands";
2699	%COMMAND = ();	3037	%COMMAND = ();
2700		3038
2701	warn "removing ext commands";	3039	warn "removing ext/exti commands";
2702	%EXTCMD = ();	3040	%EXTCMD = ();
		3041	%EXTICMD = ();
2703		3042
2704	warn "unloading/nuking all extensions";	3043	warn "unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3044	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3045	warn "... unloading $pkg";
2707		3046
…		…
2825	my $signal = new Coro::Signal;	3164	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	3165	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	3166	$signal->wait;
2828	}	3167	}
2829		3168
		3169	my $min = 1e6;#d#
		3170	my $avg = 10;
2830	$TICK_WATCHER = Event->timer (	3171	$TICK_WATCHER = Event->timer (
2831	reentrant => 0,	3172	reentrant => 0,
2832	parked => 1,	3173	parked => 1,
2833	prio => 0,	3174	prio => 0,
2834	at => $NEXT_TICK || $TICK,	3175	at => $NEXT_TICK || $TICK,
…		…
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3179	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	3180	unless ++$bug_warning > 10;
2840	return;	3181	return;
2841	}	3182	}
2842		3183
2843	$NOW = Event::time;	3184	$NOW = $tick_start = Event::time;
2844		3185
2845	cf::server_tick; # one server iteration	3186	cf::server_tick; # one server iteration
		3187
		3188	0 && sync_job {#d#
		3189	for(1..10) {
		3190	my $t = Event::time;
		3191	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3192	or die;
		3193
		3194	$map->width (50);
		3195	$map->height (50);
		3196	$map->alloc;
		3197	$map->_load_objects ("/tmp/x.map", 1);
		3198	my $t = Event::time - $t;
		3199
		3200	#next unless $t < 0.0013;#d#
		3201	if ($t < $min) {
		3202	$min = $t;
		3203	}
		3204	$avg = $avg * 0.99 + $t * 0.01;
		3205	}
		3206	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3207	exit 0;
		3208	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3209	};
2846		3210
2847	$RUNTIME += $TICK;	3211	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;	3212	$NEXT_TICK += $TICK;
2849		3213
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3214	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2856	}	3220	}
2857		3221
2858	# my $AFTER = Event::time;	3222	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#	3223	# warn $AFTER - $NOW;#d#
2860		3224
		3225	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3226	$sig->send;
		3227	}
		3228	while (my $sig = shift @WAIT_FOR_TICK) {
		3229	$sig->send;
		3230	}
		3231
		3232	$NOW = Event::time;
		3233
2861	# if we are delayed by four ticks or more, skip them all	3234	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3235	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2863		3236
2864	$TICK_WATCHER->at ($NEXT_TICK);	3237	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;	3238	$TICK_WATCHER->start;
2866		3239
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3240	$LOAD = ($NOW - $tick_start) / $TICK;
2868	$sig->send;	3241	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873		3242
2874	_post_tick;	3243	_post_tick;
		3244
		3245
2875	},	3246	},
2876	);	3247	);
2877		3248
2878	{	3249	{
2879	BDB::max_poll_time $TICK * 0.1;	3250	BDB::max_poll_time $TICK * 0.1;

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines