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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 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 $guard = cf::lock_acquire "write_runtime";
373		413
374	my $runtime = "$LOCALDIR/runtime";	414	Executes the given code block with the given arguments in a seperate
		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.
375		418
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	419	=cut
377	or return;
378		420
379	my $value = $cf::RUNTIME + 90 + 10;	421	sub _store_scalar {
380	# 10 is the runtime save interval, for a monotonic clock	422	open my $fh, ">", \my $buf
381	# 60 allows for the watchdog to kill the server.	423	or die "fork_call: cannot open fh-to-buf in child : $!";
382		424	Storable::store_fd $_[0], $fh;
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
384	and return;
385
386	# always fsync - this file is important
387	aio_fsync $fh
388	and return;
389
390	close $fh	425	close $fh;
391	or return;
392		426
393	aio_rename "$runtime~", $runtime	427	$buf
394	and return;	428	}
395		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		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 $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
396	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		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"
397	}	588	}
398		589
399	=item cf::datalog type => key => value, ...	590	=item cf::datalog type => key => value, ...
400		591
401	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.
…		…
419	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")
420	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
421		612
422	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>
423	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
424	crossfire+).	615	Crossfire TRT).
425		616
426	=over 4	617	=over 4
427		618
428	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
429		620
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
593		784
594	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		789
599	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	791	my $pkg = shift @arg;
601		792
602	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
632	}	823	}
633		824
634	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
635	} else {	826	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	828	}
638		829
639	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
640	}	831	}
641		832
…		…
643	if (ref $_[0]) {	834	if (ref $_[0]) {
644	_object_attach @_;	835	_object_attach @_;
645	} else {	836	} else {
646	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
647	}	838	}
		839	_recalc_want;
648	};	840	};
649		841
650	# all those should be optimised	842	# all those should be optimised
651	sub cf::attachable::detach {	843	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
656	reattach ($obj);	848	reattach ($obj);
657	} else {	849	} else {
658	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
659	}	851	}
		852	_recalc_want;
660	};	853	};
661		854
662	sub cf::attachable::attached {	855	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
664		857
…		…
679	";	872	";
680	die if $@;	873	die if $@;
681	}	874	}
682		875
683	our $override;	876	our $override;
684	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?
685		878
686	sub override {	879	sub override {
687	$override = 1;	880	$override = 1;
688	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
689	}	882	}
690		883
691	sub do_invoke {	884	sub do_invoke {
692	my $event = shift;	885	my $event = shift;
693	my $callbacks = shift;	886	my $callbacks = shift;
694		887
695	@invoke_results = ();	888	@INVOKE_RESULTS = ();
696		889
697	local $override;	890	local $override;
698		891
699	for (@$callbacks) {	892	for (@$callbacks) {
700	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
717		910
718	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
719		912
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		916
724	=back	917	=back
725		918
726	=cut	919	=cut
727		920
728	#############################################################################	921	#############################################################################
729	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
730		934
731	sub reattach {	935	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	937	my ($obj) = @_;
734		938
…		…
837	or return;	1041	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1043	}
840		1044
841	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
843	return ($data, $av);	1047	return ($data, $av);
844	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
845		1055
846	#############################################################################	1056	#############################################################################
847	# command handling &c	1057	# command handling &c
848		1058
849	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1073	}
864		1074
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1076
867	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
868		1082
869	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
870	called.	1084	called.
871		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
872	=cut	1097	=cut
873		1098
874	sub register_extcmd {	1099	sub register_extcmd {
875	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
876		1101
877	$EXTCMD{$name} = $cb;	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
878	}	1109	}
879		1110
880	cf::player->attach (	1111	cf::player->attach (
881	on_command => sub {	1112	on_command => sub {
882	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1122	cf::override;
892	},	1123	},
893	on_extcmd => sub {	1124	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
895		1126
896	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1128
898	if (ref $msg) {	1129	if (ref $msg) {
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
900	if (my %reply = $cb->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
901	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
907		1138
908	cf::override;	1139	cf::override;
909	},	1140	},
910	);	1141	);
911		1142
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
947	for my $ext (<$LIBDIR/*.ext>) {	1147	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1148	next unless -r $path;
949	eval {	1149
950	load_extension $ext;	1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
951	1	1207	}
952	} or warn "$ext not loaded: $@";	1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
953	}	1213	};
954	}	1214	}
955		1215
956	#############################################################################	1216	#############################################################################
		1217
		1218	=back
957		1219
958	=head2 CORE EXTENSIONS	1220	=head2 CORE EXTENSIONS
959		1221
960	Functions and methods that extend core crossfire objects.	1222	Functions and methods that extend core crossfire objects.
961		1223
…		…
1149	}	1411	}
1150		1412
1151	\@paths	1413	\@paths
1152	}	1414	}
1153		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
1154	=item $player->ext_reply ($msgid, %msg)	1466	=item $player->ext_reply ($msgid, %msg)
1155		1467
1156	Sends an ext reply to the player.	1468	Sends an ext reply to the player.
1157		1469
1158	=cut	1470	=cut
1159		1471
1160	sub ext_reply($$%) {	1472	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;	1473	my ($self, $id, %msg) = @_;
1162		1474
1163	$msg{msgid} = $id;	1475	$msg{msgid} = $id;
1164		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1477	}
1167		1478
1168	=item $player->ext_event ($type, %msg)	1479	=item $player->ext_event ($type, %msg)
1169		1480
1170	Sends an ext event to the client.	1481	Sends an ext event to the client.
…		…
1185		1496
1186	package cf::region;	1497	package cf::region;
1187		1498
1188	=item cf::region::find_by_path $path	1499	=item cf::region::find_by_path $path
1189		1500
1190	Tries to decuce the probable region for a map knowing only its path.	1501	Tries to decuce the likely region for a map knowing only its path.
1191		1502
1192	=cut	1503	=cut
1193		1504
1194	sub find_by_path($) {	1505	sub find_by_path($) {
1195	my ($path) = @_;	1506	my ($path) = @_;
1196		1507
1197	my ($match, $specificity);	1508	my ($match, $specificity);
1198		1509
1199	for my $region (list) {	1510	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1511	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1512	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1513	if $region->specificity > $specificity;
1203	}	1514	}
1204	}	1515	}
1205		1516
…		…
1269	my ($self, $merge) = @_;	1580	my ($self, $merge) = @_;
1270		1581
1271	# we have to keep some variables in memory intact	1582	# we have to keep some variables in memory intact
1272	local $self->{path};	1583	local $self->{path};
1273	local $self->{load_path};	1584	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1585
1277	$self->SUPER::thawer_merge ($merge);	1586	$self->SUPER::thawer_merge ($merge);
1278	}	1587	}
1279		1588
1280	sub normalise {	1589	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1636	$self->init; # pass $1 etc.
1328	return $self;	1637	return $self;
1329	}	1638	}
1330	}	1639	}
1331		1640
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1642	()
1334	}	1643	}
1335		1644
1336	sub init {	1645	sub init {
1337	my ($self) = @_;	1646	my ($self) = @_;
…		…
1378	sub change_all_map_light {	1687	sub change_all_map_light {
1379	my ($change) = @_;	1688	my ($change) = @_;
1380		1689
1381	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
		1692	}
		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
1383	}	1700	}
1384		1701
1385	sub unlink_save {	1702	sub unlink_save {
1386	my ($self) = @_;	1703	my ($self) = @_;
1387		1704
…		…
1445	$self->load_header_orig	1762	$self->load_header_orig
1446	or return;	1763	or return;
1447	$self->prepare_orig;	1764	$self->prepare_orig;
1448	}	1765	}
1449		1766
		1767	$self->{deny_reset} = 1
		1768	if $self->no_reset;
		1769
1450	$self->default_region (cf::region::find_by_path $self->{path})	1770	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1771	unless $self->default_region;
1452		1772
1453	1	1773	1
1454	}	1774	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1470		1790
1471	$map->load_header	1791	$map->load_header
1472	or return;	1792	or return;
1473		1793
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1795	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1796	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1797	$map->reset;
1478	undef $guard;	1798	undef $guard;
1479	return find $path;	1799	return find $path;
…		…
1535	Coro::cede;	1855	Coro::cede;
1536	$self->activate;	1856	$self->activate;
1537	}	1857	}
1538		1858
1539	$self->in_memory (cf::MAP_IN_MEMORY);	1859	$self->in_memory (cf::MAP_IN_MEMORY);
1540
1541	undef $guard;
1542	}	1860	}
1543		1861
1544	$self->post_load;	1862	$self->post_load;
1545	}	1863	}
1546		1864
1547	sub customise_for {	1865	sub customise_for {
1548	my ($self, $ob) = @_;	1866	my ($self, $ob) = @_;
1549		1867
1550	return find "~" . $ob->name . "/" . $self->{path}	1868	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
1552		1873
1553	$self	1874	$self
1554	}	1875	}
1555		1876
1556	# find and load all maps in the 3x3 area around a map	1877	# find and load all maps in the 3x3 area around a map
…		…
1603		1924
1604	undef $MAP_PREFETCH{$path};	1925	undef $MAP_PREFETCH{$path};
1605	$MAP_PREFETCHER ||= cf::async {	1926	$MAP_PREFETCHER ||= cf::async {
1606	while (%MAP_PREFETCH) {	1927	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	1928	for my $path (keys %MAP_PREFETCH) {
1608	my $map = find $path	1929	if (my $map = find $path) {
1609	or next;
1610	$map->load;	1930	$map->load;
		1931	}
1611		1932
1612	delete $MAP_PREFETCH{$path};	1933	delete $MAP_PREFETCH{$path};
1613	}	1934	}
1614	}	1935	}
1615	undef $MAP_PREFETCHER;	1936	undef $MAP_PREFETCHER;
…		…
1667		1988
1668	sub reset_at {	1989	sub reset_at {
1669	my ($self) = @_;	1990	my ($self) = @_;
1670		1991
1671	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1674		1994
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677		1997
…		…
1688	my ($self) = @_;	2008	my ($self) = @_;
1689		2009
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2011
1692	return if $self->players;	2012	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2013
1695	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
1696		2015
1697	$self->in_memory (cf::MAP_SWAPPED);	2016	$self->in_memory (cf::MAP_SWAPPED);
1698		2017
1699	# need to save uniques path	2018	# need to save uniques path
1700	unless ($self->{deny_save}) {	2019	unless ($self->{deny_save}) {
…		…
1732	$cf::MAP{$self->path} = $self;	2051	$cf::MAP{$self->path} = $self;
1733		2052
1734	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1735	}	2054	}
1736		2055
		2056	=item $maps = cf::map::tmp_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
		2072	}
		2073
		2074	=item $maps = cf::map::random_maps
		2075
		2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
		2078
		2079	=cut
		2080
		2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
1737	=item cf::map::unique_maps	2092	=item cf::map::unique_maps
1738		2093
1739	Returns an arrayref of paths of all shared maps that have	2094	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2095	instantiated unique items. May block.
1741		2096
1742	=cut	2097	=cut
1743		2098
1744	sub unique_maps() {	2099	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2100	[
1746	or return;	2101	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2102	utf8::decode $_;
1752	next if /\.pst$/;	2103	/\.map$/
1753	next unless /^$PATH_SEP/o;	2104	? normalise $_
1754		2105	: ()
1755	push @paths, cf::map::normalise $_;	2106	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2107	]
1757
1758	\@paths
1759	}	2108	}
1760		2109
1761	package cf;	2110	package cf;
1762		2111
1763	=back	2112	=back
…		…
1809		2158
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2160
1812	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1814	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1815	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1817	}	2180	}
1818	}	2181	}
1819		2182
1820	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1821		2184
…		…
1869	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1870		2233
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2235
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1875		2238
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1877	}	2240	}
1878		2241
1879	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1881		2246
1882	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1883		2248
1884	unless ($map) {	2249	unless ($map) {
1885	# restore original map position	2250	# restore original map position
…		…
1908		2273
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1911	}	2276	}
1912		2277
1913	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1914	on_logout => sub {
1915	my ($pl) = @_;
1916		2279
1917	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1918	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1919	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1920	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1921	};	2284	be called at the end of this process.
1922	}
1923	},
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2285
1927	# try to abort aborted map switching on player login :)
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944
1945	=item $player_object->goto ($path, $x, $y)
1946
1947	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1948		2289
1949	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1950	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951		2295
1952	$self->enter_link;	2296	$self->enter_link;
1953		2297
1954	(async {	2298	(async {
1955	my $map = eval {	2299	my $map = eval {
1956	my $map = cf::map::find $path;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1957	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
		2304	$map = $check->($map) if $check && $map;
		2305	} else {
		2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
		2308
1958	$map	2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
1959	} or	2315	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1963	})->prio (1);	2323	})->prio (1);
1964	}	2324	}
1965		2325
1966	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1967		2327
…		…
2036	my $hp = $exit->stats->hp;	2396	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;	2397	my $sp = $exit->stats->sp;
2038		2398
2039	$self->enter_link;	2399	$self->enter_link;
2040		2400
		2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
		2404
2041	(async {	2405	(async {
2042	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
2043	unless (eval {	2407	unless (eval {
2044	$self->goto ($slaying, $hp, $sp);	2408	$self->goto ($slaying, $hp, $sp);
2045		2409
…		…
2072		2436
2073	utf8::encode $text;	2437	utf8::encode $text;
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075	}	2439	}
2076		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
2077	=item $client->ext_event ($type, %msg)	2493	=item $client->ext_event ($type, %msg)
2078		2494
2079	Sends an exti event to the client.	2495	Sends an ext event to the client.
2080		2496
2081	=cut	2497	=cut
2082		2498
2083	sub cf::client::ext_event($$%) {	2499	sub cf::client::ext_event($$%) {
2084	my ($self, $type, %msg) = @_;	2500	my ($self, $type, %msg) = @_;
2085		2501
		2502	return unless $self->extcmd;
		2503
2086	$msg{msgtype} = "event_$type";	2504	$msg{msgtype} = "event_$type";
2087	$self->send_packet ("ext " . cf::to_json \%msg);	2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2088	}	2506	}
2089		2507
2090	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
2091		2509
2092	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095		2513
2096	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
2097	reliable at some point in the future.	2515	become reliable at some point in the future.
2098		2516
2099	=cut	2517	=cut
2100		2518
2101	sub cf::client::query {	2519	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	2528	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		2530
2113	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
2114	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
2115	}	2535	}
2116		2536
2117	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
2118	on_reply => sub {	2543	on_reply => sub {
2119	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
2120		2545
2121	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
2122	# get handled first	2547	# get handled first
…		…
2134	} else {	2559	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	2561	}
2137	}	2562	}
2138	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
2139	);	2582	);
2140		2583
2141	=item $client->async (\&cb)	2584	=item $client->async (\&cb)
2142		2585
2143	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		2635
2193	=pod	2636	=pod
2194		2637
2195	The following functions and methods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
2196		2639
2197	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
2198	cf::object::player player	2644	cf::object::player
2199	cf::player peaceful	2645	player
2200	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
2201		2652
2202	=cut	2653	=cut
2203		2654
2204	for (	2655	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
2206	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
2208	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
2209	) {	2661	) {
2210	no strict 'refs';	2662	no strict 'refs';
…		…
2281	=back	2733	=back
2282		2734
2283	=cut	2735	=cut
2284		2736
2285	#############################################################################	2737	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457
2458	#############################################################################
2459	# the server's init and main functions	2738	# the server's init and main functions
2460		2739
2461	sub load_facedata($) {	2740	sub load_facedata($) {
2462	my ($path) = @_;	2741	my ($path) = @_;
2463		2742
…		…
2475	{	2754	{
2476	my $faces = $facedata->{faceinfo};	2755	my $faces = $facedata->{faceinfo};
2477		2756
2478	while (my ($face, $info) = each %$faces) {	2757	while (my ($face, $info) = each %$faces) {
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2483	Coro::cede;	2763
		2764	cf::cede_to_tick;
2484	}	2765	}
2485		2766
2486	while (my ($face, $info) = each %$faces) {	2767	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	2768	next unless $info->{smooth};
2488	my $idx = cf::face::find $face	2769	my $idx = cf::face::find $face
2489	or next;	2770	or next;
2490	if (my $smooth = cf::face::find $info->{smooth}) {	2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	2774	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	2776	}
2495	Coro::cede;	2777
		2778	cf::cede_to_tick;
2496	}	2779	}
2497	}	2780	}
2498		2781
2499	{	2782	{
2500	my $anims = $facedata->{animinfo};	2783	my $anims = $facedata->{animinfo};
2501		2784
2502	while (my ($anim, $info) = each %$anims) {	2785	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;	2787	cf::cede_to_tick;
2505	}	2788	}
2506		2789
2507	cf::anim::invalidate_all; # d'oh	2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
2508	}	2821	}
2509		2822
2510	1	2823	1
2511	}	2824	}
2512		2825
2513	sub reload_regions {	2826	sub reload_regions {
2514	load_resource_file "$MAPDIR/regions"	2827	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
2516	}	2834	}
2517		2835
2518	sub reload_facedata {	2836	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	2837	load_facedata "$DATADIR/facedata"
2520	or die "unable to load facedata\n";	2838	or die "unable to load facedata\n";
2521	}	2839	}
2522		2840
2523	sub reload_archetypes {	2841	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	2842	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
2526	}	2849	}
2527		2850
2528	sub reload_treasures {	2851	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	2852	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	2853	or die "unable to load treasurelists\n";
…		…
2533	sub reload_resources {	2856	sub reload_resources {
2534	warn "reloading resource files...\n";	2857	warn "reloading resource files...\n";
2535		2858
2536	reload_regions;	2859	reload_regions;
2537	reload_facedata;	2860	reload_facedata;
		2861	#reload_archetypes;#d#
2538	reload_archetypes;	2862	reload_archetypes;
2539	reload_treasures;	2863	reload_treasures;
2540		2864
2541	warn "finished reloading resource files\n";	2865	warn "finished reloading resource files\n";
2542	}	2866	}
…		…
2599	},	2923	},
2600	);	2924	);
2601	}	2925	}
2602	}	2926	}
2603		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
2604	sub emergency_save() {	2966	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	2967	my $freeze_guard = cf::freeze_mainloop;
2606		2968
2607	warn "enter emergency perl save\n";	2969	warn "enter emergency perl save\n";
2608		2970
…		…
2683	%EXT_CORO = ();	3045	%EXT_CORO = ();
2684		3046
2685	warn "removing commands";	3047	warn "removing commands";
2686	%COMMAND = ();	3048	%COMMAND = ();
2687		3049
2688	warn "removing ext commands";	3050	warn "removing ext/exti commands";
2689	%EXTCMD = ();	3051	%EXTCMD = ();
		3052	%EXTICMD = ();
2690		3053
2691	warn "unloading/nuking all extensions";	3054	warn "unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	3055	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	3056	warn "... unloading $pkg";
2694		3057
…		…
2812	my $signal = new Coro::Signal;	3175	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	3176	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	3177	$signal->wait;
2815	}	3178	}
2816		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2817	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2818	reentrant => 0,	3183	reentrant => 0,
2819	parked => 1,	3184	parked => 1,
2820	prio => 0,	3185	prio => 0,
2821	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
…		…
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	3191	unless ++$bug_warning > 10;
2827	return;	3192	return;
2828	}	3193	}
2829		3194
2830	$NOW = Event::time;	3195	$NOW = $tick_start = Event::time;
2831		3196
2832	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
2833		3221
2834	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2836		3224
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2843	}	3231	}
2844		3232
2845	# my $AFTER = Event::time;	3233	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#	3234	# warn $AFTER - $NOW;#d#
2847		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2848	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2850		3247
2851	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
2853		3250
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3251	$LOAD = ($NOW - $tick_start) / $TICK;
2855	$sig->send;	3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860		3253
2861	_post_tick;	3254	_post_tick;
		3255
		3256
2862	},	3257	},
2863	);	3258	);
2864		3259
2865	{	3260	{
2866	BDB::max_poll_time $TICK * 0.1;	3261	BDB::max_poll_time $TICK * 0.1;
…		…
2925	prio => 6,	3320	prio => 6,
2926	cb => \&IO::AIO::poll_cb,	3321	cb => \&IO::AIO::poll_cb,
2927	);	3322	);
2928	}	3323	}
2929		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
2930	# load additional modules	3363	# load additional modules
2931	use cf::pod;	3364	use cf::pod;
2932		3365
2933	END { cf::emergency_save }	3366	END { cf::emergency_save }
2934		3367

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