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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.325 by root, Sat Jul 28 14:32:22 2007 UTC

…		…
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
24		24
		25	use JSON::XS 1.4 ();
25	use BDB ();	26	use BDB ();
26	use Data::Dumper;	27	use Data::Dumper;
27	use Digest::MD5;	28	use Digest::MD5;
28	use Fcntl;	29	use Fcntl;
29	use YAML::Syck ();	30	use YAML::Syck ();
30	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
31	use Time::HiRes;	32	use Time::HiRes;
32	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
33		35
34	# configure various modules to our taste	36	# configure various modules to our taste
35	#	37	#
36	$Storable::canonical = 1; # reduce rsync transfers	38	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
164		167
165	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
166	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
167	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.
168		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.
		177
169	=back	178	=back
170		179
171	=cut	180	=cut
172		181
173	BEGIN {	182	BEGIN {
…		…
206	}	215	}
207		216
208	$Event::DIED = sub {	217	$Event::DIED = sub {
209	warn "error in event callback: @_";	218	warn "error in event callback: @_";
210	};	219	};
		220
		221	#############################################################################
211		222
212	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
213		224
214	=over 4	225	=over 4
215		226
…		…
234	$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;
235	$d	246	$d
236	} \|\| "[unable to dump $_[0]: '$@']";	247	} \|\| "[unable to dump $_[0]: '$@']";
237	}	248	}
238		249
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
242		251
243	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
244		253
245	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
246		255
247	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]) }
248		264
249	=item cf::lock_wait $string	265	=item cf::lock_wait $string
250		266
251	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
252		268
…		…
306	};	322	};
307	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
308	$guard	324	$guard
309	}	325	}
310		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
311	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
312		384
313	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
318		390
319	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
320		392
321	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
322		394
323	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
326		399
327	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
330	fast or be very important.	403	fast or be very important.
…		…
390	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
391		464
392	$coro	465	$coro
393	}	466	}
394		467
395	sub write_runtime {	468	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		469
398	# first touch the runtime file to show we are still running:	470	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
400		474
401	IO::AIO::aio_utime $runtime, undef, undef;	475	=cut
402		476
403	my $guard = cf::lock_acquire "write_runtime";	477	sub _store_scalar {
404		478	open my $fh, ">", \my $buf
405	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644	479	or die "fork_call: cannot open fh-to-buf in child : $!";
406	or return;	480	Storable::store_fd $_[0], $fh;
407
408	my $value = $cf::RUNTIME + 90 + 10;
409	# 10 is the runtime save interval, for a monotonic clock
410	# 60 allows for the watchdog to kill the server.
411
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
413	and return;
414
415	# always fsync - this file is important
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh	481	close $fh;
423	or return;
424		482
425	aio_rename "$runtime~", $runtime	483	$buf
426	and return;	484	}
427		485
428	warn "runtime file written.\n";	486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
429		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
430	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
431	}	644	}
432		645
433	=item cf::datalog type => key => value, ...	646	=item cf::datalog type => key => value, ...
434		647
435	Log a datalog packet of the given type with the given key-value pairs.	648	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
455		668
456	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	671	Crossfire TRT).
459		672
460	=over 4	673	=over 4
461		674
462	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
463		676
…		…
665	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
666	}	879	}
667		880
668	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
669	} else {	882	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	884	}
672		885
673	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
674	}	887	}
675		888
…		…
715	";	928	";
716	die if $@;	929	die if $@;
717	}	930	}
718		931
719	our $override;	932	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		934
722	sub override {	935	sub override {
723	$override = 1;	936	$override = 1;
724	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
725	}	938	}
726		939
727	sub do_invoke {	940	sub do_invoke {
728	my $event = shift;	941	my $event = shift;
729	my $callbacks = shift;	942	my $callbacks = shift;
730		943
731	@invoke_results = ();	944	@INVOKE_RESULTS = ();
732		945
733	local $override;	946	local $override;
734		947
735	for (@$callbacks) {	948	for (@$callbacks) {
736	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
753		966
754	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
755		968
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		972
760	=back	973	=back
761		974
762	=cut	975	=cut
763		976
764	#############################################################################	977	#############################################################################
765	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
766		990
767	sub reattach {	991	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	993	my ($obj) = @_;
770		994
…		…
877	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
878	$filename, length $data, scalar @{$av \|\| []};	1102	$filename, length $data, scalar @{$av \|\| []};
879	return ($data, $av);	1103	return ($data, $av);
880	}	1104	}
881		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
		1111
882	#############################################################################	1112	#############################################################################
883	# command handling &c	1113	# command handling &c
884		1114
885	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
886		1116
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1129	}
900		1130
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1132
903	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
904		1138
905	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
906	called.	1140	called.
907		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
908	=cut	1153	=cut
909		1154
910	sub register_extcmd {	1155	sub register_extcmd {
911	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
912		1157
913	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
914	}	1165	}
915		1166
916	cf::player->attach (	1167	cf::player->attach (
917	on_command => sub {	1168	on_command => sub {
918	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1178	cf::override;
928	},	1179	},
929	on_extcmd => sub {	1180	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
931		1182
932	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1184
934	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
937	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
938	}	1195	if $reply;
939	}	1196	}
940	} else {	1197	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1199	}
943		1200
…		…
967	path => $path,	1224	path => $path,
968	base => $base,	1225	base => $base,
969	pkg => $pkg,	1226	pkg => $pkg,
970	);	1227	);
971		1228
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.?perl.?#\s(.)$/;	1230	if $source =~ /\A#!.?perl.?#\s(.)$/m;
974		1231
975	$ext{source} =	1232	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1233	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1234	. "#line 1 \"$path\"\n{\n"
978	. $source	1235	. $source
…		…
984	my %done;	1241	my %done;
985	while (%todo) {	1242	while (%todo) {
986	my $progress;	1243	my $progress;
987		1244
988	while (my ($k, $v) = each %todo) {	1245	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1246	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1247	goto skip
991	unless exists $done{$_};	1248	unless exists $done{$_};
992	}	1249	}
993		1250
994	warn "... loading '$k' into '$v->{pkg}'\n";	1251	warn "... loading '$k' into '$v->{pkg}'\n";
995		1252
996	unless (eval $v->{source}) {	1253	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1254	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1255	: "$v->{base}: extension inactive.\n";
999		1256
1000	if (exists $v->{meta}{mandatory}) {	1257	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1258	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1259	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1260	exit 1;
1004	}	1261	}
1005		1262
1006	die $msg;	1263	warn $msg;
1007	}	1264	}
1008		1265
1009	$done{$k} = delete $todo{$k};	1266	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
1011	}	1269	}
1012		1270
1013	skip:	1271	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1273	unless $progress;
1016	}	1274	}
1017	};	1275	};
1018	}	1276	}
1019		1277
1020	#############################################################################	1278	#############################################################################
		1279
		1280	=back
1021		1281
1022	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
1023		1283
1024	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
1025		1285
…		…
1213	}	1473	}
1214		1474
1215	\@paths	1475	\@paths
1216	}	1476	}
1217		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&/g;
		1489	s/(?<![BIUGH])</</g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	\|\| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	\|\| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male\|female> tags
		1499	\|\| s{G<([^>\|])\\|([^>])>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	\|\| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1218	=item $player->ext_reply ($msgid, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1219		1529
1220	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1221		1531
1222	=cut	1532	=cut
1223		1533
1224	sub ext_reply($$%) {	1534	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1226		1536
1227	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1228		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1229	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1230	}	1544	}
1231		1545
1232	=item $player->ext_event ($type, %msg)	1546	=item $player->ext_msg ($type, @msg)
1233		1547
1234	Sends an ext event to the client.	1548	Sends an ext event to the client.
1235		1549
1236	=cut	1550	=cut
1237		1551
1238	sub ext_event($$%) {	1552	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1553	my ($self, $type, @msg) = @_;
1240		1554
1241	$self->ns->ext_event ($type, %msg);	1555	$self->ns->ext_msg ($type, @msg);
1242	}	1556	}
1243		1557
1244	=head3 cf::region	1558	=head3 cf::region
1245		1559
1246	=over 4	1560	=over 4
…		…
1249		1563
1250	package cf::region;	1564	package cf::region;
1251		1565
1252	=item cf::region::find_by_path $path	1566	=item cf::region::find_by_path $path
1253		1567
1254	Tries to decuce the probable region for a map knowing only its path.	1568	Tries to decuce the likely region for a map knowing only its path.
1255		1569
1256	=cut	1570	=cut
1257		1571
1258	sub find_by_path($) {	1572	sub find_by_path($) {
1259	my ($path) = @_;	1573	my ($path) = @_;
1260		1574
1261	my ($match, $specificity);	1575	my ($match, $specificity);
1262		1576
1263	for my $region (list) {	1577	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1578	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1579	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1580	if $region->specificity > $specificity;
1267	}	1581	}
1268	}	1582	}
1269		1583
…		…
1389	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1390	return $self;	1704	return $self;
1391	}	1705	}
1392	}	1706	}
1393		1707
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1709	()
1396	}	1710	}
1397		1711
1398	sub init {	1712	sub init {
1399	my ($self) = @_;	1713	my ($self) = @_;
…		…
1607	$self->set_darkness_map;	1921	$self->set_darkness_map;
1608	Coro::cede;	1922	Coro::cede;
1609	$self->activate;	1923	$self->activate;
1610	}	1924	}
1611		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
1612	$self->in_memory (cf::MAP_IN_MEMORY);	1929	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	1930	}
1614		1931
1615	$self->post_load;	1932	$self->post_load;
1616	}	1933	}
…		…
1677		1994
1678	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1679	$MAP_PREFETCHER \|\|= cf::async {	1996	$MAP_PREFETCHER \|\|= cf::async {
1680	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1682	my $map = find $path	1999	if (my $map = find $path) {
1683	or next;
1684	$map->load;	2000	$map->load;
		2001	}
1685		2002
1686	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1687	}	2004	}
1688	}	2005	}
1689	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1911		2228
1912	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN \| cf::NDI_UNIQUE unless @_ >= 4;
1913		2230
1914	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1916	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1919	}	2245	}
1920	}	2246	}
1921		2247
1922	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1923		2249
…		…
2012		2338
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
2015	}	2341	}
2016		2342
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2344
2019	Moves the player to the given map-path and coordinates by first freezing	2345	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2346	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2347	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2348	the new (success) or old (failed) map position. In either case, $done will
		2349	be called at the end of this process.
2023		2350
2024	=cut	2351	=cut
2025		2352
2026	our $GOTOGEN;	2353	our $GOTOGEN;
2027		2354
2028	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2357
2031	# do generation counting so two concurrent goto's will be executed in-order	2358	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2360
2034	$self->enter_link;	2361	$self->enter_link;
…		…
2054		2381
2055	if ($gen == $self->{_goto_generation}) {	2382	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2383	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
2058	}	2385	}
		2386
		2387	$done->() if $done;
2059	})->prio (1);	2388	})->prio (1);
2060	}	2389	}
2061		2390
2062	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
2063		2392
…		…
2132	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
2134		2463
2135	$self->enter_link;	2464	$self->enter_link;
2136		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
		2469
2137	(async {	2470	(async {
2138	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2472	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
2141		2474
…		…
2168		2501
2169	utf8::encode $text;	2502	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags \|\| cf::NDI_BLACK, $text);
2171	}	2504	}
2172		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra \|\| length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK \| cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	\|\| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	\|\| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	\|\| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	\|\| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b\|i\|u\|fixed\|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
2173	=item $client->ext_event ($type, %msg)	2565	=item $client->ext_msg ($type, @msg)
2174		2566
2175	Sends an exti event to the client.	2567	Sends an ext event to the client.
2176		2568
2177	=cut	2569	=cut
2178		2570
2179	sub cf::client::ext_event($$%) {	2571	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2572	my ($self, $type, @msg) = @_;
2181		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2579	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
2184	}	2582	}
2185		2583
2186	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
2187		2585
2188	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2589
2192	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2591	become reliable at some point in the future.
2194		2592
2195	=cut	2593	=cut
2196		2594
2197	sub cf::client::query {	2595	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2604	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2606
2209	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2211	}	2611	}
2212		2612
2213	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2214	on_reply => sub {	2619	on_reply => sub {
2215	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2216		2621
2217	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2218	# get handled first	2623	# get handled first
…		…
2230	} else {	2635	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2637	}
2233	}	2638	}
2234	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2235	);	2663	);
2236		2664
2237	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2238		2666
2239	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2288		2716
2289	=pod	2717	=pod
2290		2718
2291	The following functions and methods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2292		2720
2293	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2294	cf::object::player player	2725	cf::object::player
2295	cf::player peaceful	2726	player
2296	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2297		2733
2298	=cut	2734	=cut
2299		2735
2300	for (	2736	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2302	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2305	) {	2742	) {
2306	no strict 'refs';	2743	no strict 'refs';
…		…
2377	=back	2814	=back
2378		2815
2379	=cut	2816	=cut
2380		2817
2381	#############################################################################	2818	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE \| BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	2819	# the server's init and main functions
2555		2820
2556	sub load_facedata($) {	2821	sub load_facedata($) {
2557	my ($path) = @_;	2822	my ($path) = @_;
2558		2823
…		…
2570	{	2835	{
2571	my $faces = $facedata->{faceinfo};	2836	my $faces = $facedata->{faceinfo};
2572		2837
2573	while (my ($face, $info) = each %$faces) {	2838	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;	2839	my $idx = (cf::face::find $face) \|\| cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2578	Coro::cede;	2844
		2845	cf::cede_to_tick;
2579	}	2846	}
2580		2847
2581	while (my ($face, $info) = each %$faces) {	2848	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	2849	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	2850	my $idx = cf::face::find $face
2584	or next;	2851	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	2855	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	2857	}
2590	Coro::cede;	2858
		2859	cf::cede_to_tick;
2591	}	2860	}
2592	}	2861	}
2593		2862
2594	{	2863	{
2595	my $anims = $facedata->{animinfo};	2864	my $anims = $facedata->{animinfo};
2596		2865
2597	while (my ($anim, $info) = each %$anims) {	2866	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	2868	cf::cede_to_tick;
2600	}	2869	}
2601		2870
2602	cf::anim::invalidate_all; # d'oh	2871	cf::anim::invalidate_all; # d'oh
2603	}	2872	}
2604		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} \|\| {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) \|\| cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a)", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914
		2915	cf::sound::set $sound->[0] => $face;
		2916	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2917	}
		2918
		2919	#TODO
		2920	}
		2921	}
		2922
2605	1	2923	1
2606	}	2924	}
		2925
		2926	register_exticmd fx_want => sub {
		2927	my ($ns, $want) = @_;
		2928
		2929	while (my ($k, $v) = each %$want) {
		2930	$ns->fx_want ($k, $v);
		2931	}
		2932	};
2607		2933
2608	sub reload_regions {	2934	sub reload_regions {
2609	load_resource_file "$MAPDIR/regions"	2935	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	2936	or die "unable to load regions file\n";
		2937
		2938	for (cf::region::list) {
		2939	$_->{match} = qr/$_->{match}/
		2940	if exists $_->{match};
		2941	}
2611	}	2942	}
2612		2943
2613	sub reload_facedata {	2944	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	2945	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	2946	or die "unable to load facedata\n";
2616	}	2947	}
2617		2948
2618	sub reload_archetypes {	2949	sub reload_archetypes {
		2950	load_resource_file "$DATADIR/archetypes"
		2951	or die "unable to load archetypes\n";
		2952	#d# NEED to laod twice to resolve forward references
		2953	# this really needs to be done in an extra post-pass
		2954	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	2955	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	2956	or die "unable to load archetypes\n";
2621	}	2957	}
2622		2958
2623	sub reload_treasures {	2959	sub reload_treasures {
…		…
2695	},	3031	},
2696	);	3032	);
2697	}	3033	}
2698	}	3034	}
2699		3035
		3036	sub write_runtime {
		3037	my $runtime = "$LOCALDIR/runtime";
		3038
		3039	# first touch the runtime file to show we are still running:
		3040	# the fsync below can take a very very long time.
		3041
		3042	IO::AIO::aio_utime $runtime, undef, undef;
		3043
		3044	my $guard = cf::lock_acquire "write_runtime";
		3045
		3046	my $fh = aio_open "$runtime~", O_WRONLY \| O_CREAT, 0644
		3047	or return;
		3048
		3049	my $value = $cf::RUNTIME + 90 + 10;
		3050	# 10 is the runtime save interval, for a monotonic clock
		3051	# 60 allows for the watchdog to kill the server.
		3052
		3053	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3054	and return;
		3055
		3056	# always fsync - this file is important
		3057	aio_fsync $fh
		3058	and return;
		3059
		3060	# touch it again to show we are up-to-date
		3061	aio_utime $fh, undef, undef;
		3062
		3063	close $fh
		3064	or return;
		3065
		3066	aio_rename "$runtime~", $runtime
		3067	and return;
		3068
		3069	warn "runtime file written.\n";
		3070
		3071	1
		3072	}
		3073
2700	sub emergency_save() {	3074	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3075	my $freeze_guard = cf::freeze_mainloop;
2702		3076
2703	warn "enter emergency perl save\n";	3077	warn "enter emergency perl save\n";
2704		3078
…		…
2779	%EXT_CORO = ();	3153	%EXT_CORO = ();
2780		3154
2781	warn "removing commands";	3155	warn "removing commands";
2782	%COMMAND = ();	3156	%COMMAND = ();
2783		3157
2784	warn "removing ext commands";	3158	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3159	%EXTCMD = ();
		3160	%EXTICMD = ();
2786		3161
2787	warn "unloading/nuking all extensions";	3162	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3163	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3164	warn "... unloading $pkg";
2790		3165

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs. Revision 1.325 by root, Sat Jul 28 14:32:22 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.325 by root, Sat Jul 28 14:32:22 2007 UTC