[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC

…		…
90	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
91		91
92	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
95	binmode STDOUT;	99	binmode STDOUT;
96	binmode STDERR;	100	binmode STDERR;
97		101
98	# read virtual server time, if available	102	# read virtual server time, if available
99	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {	103	unless ($RUNTIME \|\| !-e "$LOCALDIR/runtime") {
…		…
139		143
140	=item $cf::TICK	144	=item $cf::TICK
141		145
142	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
143		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
		157
144	=item %cf::CFG	158	=item %cf::CFG
145		159
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
147	from wherever your confdir points to.	161	from wherever your confdir points to.
148		162
…		…
161	my $msg = join "", @_;	175	my $msg = join "", @_;
162		176
163	$msg .= "\n"	177	$msg .= "\n"
164	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
165		179
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		181
168	utf8::encode $msg;	182	utf8::encode $msg;
169	LOG llevError, $msg;	183	LOG llevError, $msg;
170	};	184	};
171	}	185	}
…		…
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		194
180	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	196	# within the Safe compartment.
182	for my $pkg (qw(	197	for my $pkg (qw(
183	cf::global cf::attachable	198	cf::global cf::attachable
…		…
191	}	206	}
192		207
193	$Event::DIED = sub {	208	$Event::DIED = sub {
194	warn "error in event callback: @_";	209	warn "error in event callback: @_";
195	};	210	};
		211
		212	#############################################################################
196		213
197	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
198		215
199	=over 4	216	=over 4
200		217
…		…
303		320
304	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
305		322
306	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
307		324
308	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
311		329
312	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
315	fast or be very important.	333	fast or be very important.
…		…
318		336
319	sub sync_job(&) {	337	sub sync_job(&) {
320	my ($job) = @_;	338	my ($job) = @_;
321		339
322	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
323	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
325		345
326	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
338		358
339	while ($busy) {	359	while ($busy) {
340	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
341	}	361	}
342		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError \| logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
343	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
344	} else {	371	} else {
345	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
346		373
347	$job->()	374	$job->()
…		…
366	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
367		394
368	$coro	395	$coro
369	}	396	}
370		397
371	sub write_runtime {	398	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		399
374	my $runtime = "$LOCALDIR/runtime";	400	Executes the given code block with the given arguments in a seperate
		401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
375		404
376	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	405	=cut
377	or return;
378		406
379	my $value = $cf::RUNTIME + 90 + 10;	407	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	408	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		409
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
384	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
385		414
386	# always fsync - this file is important	415	if (my $pid = fork) {
387	aio_fsync $fh
388	and return;
389
390	close $fh	416	close $fh2;
391	or return;
392		417
393	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
394	and return;	419	$res = Coro::Storable::thaw $res;
395		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
396	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
397	}	556	}
398		557
399	=item cf::datalog type => key => value, ...	558	=item cf::datalog type => key => value, ...
400		559
401	Log a datalog packet of the given type with the given key-value pairs.	560	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")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
421		580
422	In the following description, CLASS can be any of C<global>, C<object>	581	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	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	583	Crossfire TRT).
425		584
426	=over 4	585	=over 4
427		586
428	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
429		588
…		…
592	$registry = $CB_TYPE[$object_type] \|\|= [];	751	$registry = $CB_TYPE[$object_type] \|\|= [];
593		752
594	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] \|\|= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] \|\|= [];
598		757
599	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	759	my $pkg = shift @arg;
601		760
602	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
632	}	791	}
633		792
634	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
635	} else {	794	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	796	}
638		797
639	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
640	}	799	}
641		800
…		…
643	if (ref $_[0]) {	802	if (ref $_[0]) {
644	_object_attach @_;	803	_object_attach @_;
645	} else {	804	} else {
646	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
647	}	806	}
		807	_recalc_want;
648	};	808	};
649		809
650	# all those should be optimised	810	# all those should be optimised
651	sub cf::attachable::detach {	811	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
656	reattach ($obj);	816	reattach ($obj);
657	} else {	817	} else {
658	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
659	}	819	}
		820	_recalc_want;
660	};	821	};
661		822
662	sub cf::attachable::attached {	823	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
664		825
…		…
837	or return;	998	or return;
838	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
839	}	1000	}
840		1001
841	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
842	$filename, length $data, scalar @{$av \|\| []};#d#	1003	$filename, length $data, scalar @{$av \|\| []};
843	return ($data, $av);	1004	return ($data, $av);
844	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
845		1012
846	#############################################################################	1013	#############################################################################
847	# command handling &c	1014	# command handling &c
848		1015
849	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1030	}
864		1031
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1033
867	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
868		1035
869	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
870	called.	1037	called.
871		1038
872	=cut	1039	=cut
…		…
907		1074
908	cf::override;	1075	cf::override;
909	},	1076	},
910	);	1077	);
911		1078
912	sub load_extension {
913	my ($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 {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
947	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1084	next unless -r $path;
949	eval {	1085
950	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.?perl.?#\s(.)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
951	1	1143	}
952	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
953	}	1149	};
954	}	1150	}
955		1151
956	#############################################################################	1152	#############################################################################
		1153
		1154	=back
957		1155
958	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
959		1157
960	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
961		1159
…		…
1149	}	1347	}
1150		1348
1151	\@paths	1349	\@paths
1152	}	1350	}
1153		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&/g;
		1363	s/(?<![BIUGH])</</g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male\|female> tags
		1373	\|\| s{G<([^>\|])\\|([^>])>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	\|\| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1154	=item $player->ext_reply ($msgid, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1155		1386
1156	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1157		1388
1158	=cut	1389	=cut
…		…
1185		1416
1186	package cf::region;	1417	package cf::region;
1187		1418
1188	=item cf::region::find_by_path $path	1419	=item cf::region::find_by_path $path
1189		1420
1190	Tries to decuce the probable region for a map knowing only its path.	1421	Tries to decuce the likely region for a map knowing only its path.
1191		1422
1192	=cut	1423	=cut
1193		1424
1194	sub find_by_path($) {	1425	sub find_by_path($) {
1195	my ($path) = @_;	1426	my ($path) = @_;
…		…
1269	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1270		1501
1271	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1272	local $self->{path};	1503	local $self->{path};
1273	local $self->{load_path};	1504	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1505
1277	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1278	}	1507	}
1279		1508
1280	sub normalise {	1509	sub normalise {
…		…
1380		1609
1381	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1383	}	1612	}
1384		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1385	sub unlink_save {	1622	sub unlink_save {
1386	my ($self) = @_;	1623	my ($self) = @_;
1387		1624
1388	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1445	$self->load_header_orig	1682	$self->load_header_orig
1446	or return;	1683	or return;
1447	$self->prepare_orig;	1684	$self->prepare_orig;
1448	}	1685	}
1449		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
1450	$self->default_region (cf::region::find_by_path $self->{path})	1690	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1691	unless $self->default_region;
1452		1692
1453	1	1693	1
1454	}	1694	}
…		…
1469	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1470		1710
1471	$map->load_header	1711	$map->load_header
1472	or return;	1712	or return;
1473		1713
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1477	$map->reset;	1717	$map->reset;
1478	undef $guard;	1718	undef $guard;
1479	return find $path;	1719	return find $path;
…		…
1490	my ($self) = @_;	1730	my ($self) = @_;
1491		1731
1492	local $self->{deny_reset} = 1; # loading can take a long time	1732	local $self->{deny_reset} = 1; # loading can take a long time
1493		1733
1494	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1495	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1496		1738
1497	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1498		1740
1499	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1500		1742
1501	$self->alloc;	1743	$self->alloc;
1502		1744
1503	$self->pre_load;	1745	$self->pre_load;
1504	Coro::cede;
1505
1506	$self->_load_objects ($self->{load_path}, 1)
1507	or return;
1508
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};
1511
1512	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {
1515	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);
1517	}
1518	}
1519
1520	Coro::cede;
1521	# now do the right thing for maps
1522	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;	1746	Coro::cede;
1530	$self->set_darkness_map;	1747
		1748	$self->_load_objects ($self->{load_path}, 1)
		1749	or return;
		1750
		1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1752	if delete $self->{load_original};
		1753
		1754	if (my $uniq = $self->uniq_path) {
		1755	utf8::encode $uniq;
		1756	if (aio_open $uniq, O_RDONLY, 0) {
		1757	$self->clear_unique_items;
		1758	$self->_load_objects ($uniq, 0);
		1759	}
		1760	}
		1761
		1762	Coro::cede;
		1763	# now do the right thing for maps
		1764	$self->link_multipart_objects;
1531	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	1766	unless $self->difficulty;
1533	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1534	$self->activate;	1776	$self->activate;
1535	Coro::cede;	1777	}
		1778
		1779	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	1780	}
1537		1781
1538	$self->post_load;	1782	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	1783	}
1543		1784
1544	sub customise_for {	1785	sub customise_for {
1545	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1546		1787
1547	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1549		1793
1550	$self	1794	$self
1551	}	1795	}
1552		1796
1553	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
…		…
1664		1908
1665	sub reset_at {	1909	sub reset_at {
1666	my ($self) = @_;	1910	my ($self) = @_;
1667		1911
1668	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1671		1914
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1674		1917
…		…
1685	my ($self) = @_;	1928	my ($self) = @_;
1686		1929
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		1931
1689	return if $self->players;	1932	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		1933
1692	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
1693		1935
1694	$self->in_memory (cf::MAP_SWAPPED);	1936	$self->in_memory (cf::MAP_SWAPPED);
1695		1937
1696	# need to save uniques path	1938	# need to save uniques path
1697	unless ($self->{deny_save}) {	1939	unless ($self->{deny_save}) {
…		…
1729	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1730		1972
1731	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1732	}	1974	}
1733		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
		2010	}
		2011
1734	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1735		2013
1736	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2015	instantiated unique items. May block.
1738		2016
1739	=cut	2017	=cut
1740		2018
1741	sub unique_maps() {	2019	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2020	[
1743	or return;	2021	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2022	utf8::decode $_;
1749	next if /\.pst$/;	2023	/\.map$/
1750	next unless /^$PATH_SEP/o;	2024	? normalise $_
1751		2025	: ()
1752	push @paths, cf::map::normalise $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2027	]
1754
1755	\@paths
1756	}	2028	}
1757		2029
1758	package cf;	2030	package cf;
1759		2031
1760	=back	2032	=back
…		…
1806		2078
1807	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1808		2080
1809	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1811	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1814	}	2100	}
1815	}	2101	}
1816		2102
1817	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1818		2104
…		…
1866	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1867		2153
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2155
1870	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1872		2158
1873	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);	2159	$self->enter_map ($LINK_MAP \|\| link_map, 10, 10);
1874	}	2160	}
1875		2161
1876	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1878		2166
1879	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1880		2168
1881	unless ($map) {	2169	unless ($map) {
1882	# restore original map position	2170	# restore original map position
…		…
1905		2193
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1908	}	2196	}
1909		2197
1910	cf::player->attach (
1911	on_logout => sub {
1912	my ($pl) = @_;
1913
1914	# abort map switching before logout
1915	if ($pl->ob->{_link_pos}) {
1916	cf::sync_job {
1917	$pl->ob->leave_link
1918	};
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1943		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1944	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1945		2208
1946	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2214
1949	$self->enter_link;	2215	$self->enter_link;
1950		2216
1951	(async {	2217	(async {
1952	my $map = eval {	2218	my $map = eval {
1953	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
		2223	$map = $check->($map) if $check && $map;
		2224	} else {
		2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
		2226	}
		2227
1955	$map	2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE \| cf::NDI_RED);
		2233	LOG llevError \| logBacktrace, Carp::longmess $@;
1956	} or	2234	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1958		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1960	})->prio (1);	2240	})->prio (1);
1961	}	2241	}
1962		2242
1963	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1964		2244
…		…
2067	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
2068	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
2069		2349
2070	utf8::encode $text;	2350	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
		2352	}
		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
2072	}	2390	}
2073		2391
2074	=item $client->ext_event ($type, %msg)	2392	=item $client->ext_event ($type, %msg)
2075		2393
2076	Sends an exti event to the client.	2394	Sends an exti event to the client.
…		…
2278	=back	2596	=back
2279		2597
2280	=cut	2598	=cut
2281		2599
2282	#############################################################################	2600	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	2601	# the server's init and main functions
2457		2602
2458	sub load_facedata($) {	2603	sub load_facedata($) {
2459	my ($path) = @_;	2604	my ($path) = @_;
2460		2605
…		…
2530	sub reload_resources {	2675	sub reload_resources {
2531	warn "reloading resource files...\n";	2676	warn "reloading resource files...\n";
2532		2677
2533	reload_regions;	2678	reload_regions;
2534	reload_facedata;	2679	reload_facedata;
		2680	#reload_archetypes;#d#
2535	reload_archetypes;	2681	reload_archetypes;
2536	reload_treasures;	2682	reload_treasures;
2537		2683
2538	warn "finished reloading resource files\n";	2684	warn "finished reloading resource files\n";
2539	}	2685	}
…		…
2596	},	2742	},
2597	);	2743	);
2598	}	2744	}
2599	}	2745	}
2600		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
2601	sub emergency_save() {	2785	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2603		2787
2604	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2605		2789
…		…
2809	my $signal = new Coro::Signal;	2993	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	2994	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	2995	$signal->wait;
2812	}	2996	}
2813		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2814	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2815	reentrant => 0,	3001	reentrant => 0,
2816	parked => 1,	3002	parked => 1,
2817	prio => 0,	3003	prio => 0,
2818	at => $NEXT_TICK \|\| $TICK,	3004	at => $NEXT_TICK \|\| $TICK,
…		…
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3009	unless ++$bug_warning > 10;
2824	return;	3010	return;
2825	}	3011	}
2826		3012
2827	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2828		3014
2829	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
		3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3038	};
2830		3039
2831	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2833		3042
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2840	}	3049	}
2841		3050
2842	# my $AFTER = Event::time;	3051	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#	3052	# warn $AFTER - $NOW;#d#
2844		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
		3062
2845	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2847		3065
2848	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
2850		3068
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3069	$LOAD = ($NOW - $tick_start) / $TICK;
2852	$sig->send;	3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2853	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;
2856	}
2857		3071
2858	_post_tick;	3072	_post_tick;
		3073
		3074
2859	},	3075	},
2860	);	3076	);
2861		3077
2862	{	3078	{
2863	BDB::max_poll_time $TICK * 0.1;	3079	BDB::max_poll_time $TICK * 0.1;
…		…
2922	prio => 6,	3138	prio => 6,
2923	cb => \&IO::AIO::poll_cb,	3139	cb => \&IO::AIO::poll_cb,
2924	);	3140	);
2925	}	3141	}
2926		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 \|"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
2927	# load additional modules	3181	# load additional modules
2928	use cf::pod;	3182	use cf::pod;
2929		3183
2930	END { cf::emergency_save }	3184	END { cf::emergency_save }
2931		3185

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs. Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.254 by root, Thu Apr 19 11:12:45 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC