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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.304 by root, Wed Jul 11 16:55:18 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;
59	our $LIBDIR = datadir . "/ext";	62
		63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
60		74
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	76	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
75	our $RUNTIME;	89	our $RUNTIME;
76		90
77	our %PLAYER; # all users	91	our %PLAYER; # all users
78	our %MAP; # all maps	92	our %MAP; # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		94
83	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
86	binmode STDOUT;	102	binmode STDOUT;
87	binmode STDERR;	103	binmode STDERR;
88		104
89	# read virtual server time, if available	105	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
94	}	110	}
95		111
96	mkdir cf::localdir;	112	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		114
103	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
104		116
105	sub cf::map::normalise;	117	sub cf::map::normalise;
106		118
…		…
117	=item $cf::RUNTIME	129	=item $cf::RUNTIME
118		130
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	132	every server tick.
121		133
122	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		137
124	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
126		142
127	=item $cf::NOW	143	=item $cf::NOW
128		144
129	The time of the last (current) server tick.	145	The time of the last (current) server tick.
130		146
131	=item $cf::TICK	147	=item $cf::TICK
132		148
133	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
134		160
135	=item %cf::CFG	161	=item %cf::CFG
136		162
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	164	from wherever your confdir points to.
…		…
152	my $msg = join "", @_;	178	my $msg = join "", @_;
153		179
154	$msg .= "\n"	180	$msg .= "\n"
155	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
156		182
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		184
159	utf8::encode $msg;	185	utf8::encode $msg;
160	LOG llevError, $msg;	186	LOG llevError, $msg;
161	};	187	};
162	}	188	}
…		…
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		197
171	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	199	# within the Safe compartment.
173	for my $pkg (qw(	200	for my $pkg (qw(
174	cf::global cf::attachable	201	cf::global cf::attachable
…		…
182	}	209	}
183		210
184	$Event::DIED = sub {	211	$Event::DIED = sub {
185	warn "error in event callback: @_";	212	warn "error in event callback: @_";
186	};	213	};
		214
		215	#############################################################################
187		216
188	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
189		218
190	=over 4	219	=over 4
191		220
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	240	$d
212	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
213	}	242	}
214		243
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
218		245
219	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
220		247
221	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
222		249
223	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
		251
		252	=cut
		253
		254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		255
		256	sub to_json ($) { $json_coder->encode ($_[0]) }
		257	sub from_json ($) { $json_coder->decode ($_[0]) }
224		258
225	=item cf::lock_wait $string	259	=item cf::lock_wait $string
226		260
227	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
228		262
…		…
234	returned.	268	returned.
235		269
236	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
238		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
239	=cut	277	=cut
240		278
241	our %LOCK;	279	our %LOCK;
242		280
243	sub lock_wait($) {	281	sub lock_wait($) {
…		…
260		298
261	Coro::guard {	299	Coro::guard {
262	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
264	}	302	}
		303	}
		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
265	}	309	}
266		310
267	sub freeze_mainloop {	311	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
269		313
…		…
284		328
285	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
286		330
287	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
288		332
289	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
292		337
293	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
296	fast or be very important.	341	fast or be very important.
…		…
299		344
300	sub sync_job(&) {	345	sub sync_job(&) {
301	my ($job) = @_;	346	my ($job) = @_;
302		347
303	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
304	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
306		353
307	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
319		366
320	while ($busy) {	367	while ($busy) {
321	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
322	}	369	}
323		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
324	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
325	} else {	379	} else {
326	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
327		381
328	$job->()	382	$job->()
…		…
347	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
348		402
349	$coro	403	$coro
350	}	404	}
351		405
352	sub write_runtime {	406	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		407
355	my $runtime = cf::localdir . "/runtime";	408	Executes the given code block with the given arguments in a seperate
		409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
356		412
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	413	=cut
358	or return;
359		414
360	my $value = $cf::RUNTIME + 90 + 10;	415	sub _store_scalar {
361	# 10 is the runtime save interval, for a monotonic clock	416	open my $fh, ">", \my $buf
362	# 60 allows for the watchdog to kill the server.	417	or die "fork_call: cannot open fh-to-buf in child : $!";
363		418	Storable::store_fd $_[0], $fh;
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
365	and return;
366
367	# always fsync - this file is important
368	aio_fsync $fh
369	and return;
370
371	close $fh	419	close $fh;
372	or return;
373		420
374	aio_rename "$runtime~", $runtime	421	$buf
375	and return;	422	}
376		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
377	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
378	}	582	}
379		583
380	=item cf::datalog type => key => value, ...	584	=item cf::datalog type => key => value, ...
381		585
382	Log a datalog packet of the given type with the given key-value pairs.	586	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
402		606
403	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	609	Crossfire TRT).
406		610
407	=over 4	611	=over 4
408		612
409	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
410		614
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
574		778
575	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		783
580	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	785	my $pkg = shift @arg;
582		786
583	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
613	}	817	}
614		818
615	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
616	} else {	820	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	822	}
619		823
620	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
621	}	825	}
622		826
…		…
624	if (ref $_[0]) {	828	if (ref $_[0]) {
625	_object_attach @_;	829	_object_attach @_;
626	} else {	830	} else {
627	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
628	}	832	}
		833	_recalc_want;
629	};	834	};
630		835
631	# all those should be optimised	836	# all those should be optimised
632	sub cf::attachable::detach {	837	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
637	reattach ($obj);	842	reattach ($obj);
638	} else {	843	} else {
639	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
640	}	845	}
		846	_recalc_want;
641	};	847	};
642		848
643	sub cf::attachable::attached {	849	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
645		851
…		…
818	or return;	1024	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1026	}
821		1027
822	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
824	return ($data, $av);	1030	return ($data, $av);
825	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
826		1038
827	#############################################################################	1039	#############################################################################
828	# command handling &c	1040	# command handling &c
829		1041
830	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1056	}
845		1057
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1059
848	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
849		1065
850	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
851	called.	1067	called.
852		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
853	=cut	1080	=cut
854		1081
855	sub register_extcmd {	1082	sub register_extcmd {
856	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
857		1084
858	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
859	}	1092	}
860		1093
861	cf::player->attach (	1094	cf::player->attach (
862	on_command => sub {	1095	on_command => sub {
863	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1105	cf::override;
873	},	1106	},
874	on_extcmd => sub {	1107	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
876		1109
877	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1111
879	if (ref $msg) {	1112	if (ref $msg) {
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
881	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
882	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
888		1121
889	cf::override;	1122	cf::override;
890	},	1123	},
891	);	1124	);
892		1125
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
928	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1131	next unless -r $path;
930	eval {	1132
931	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
932	1	1190	}
933	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
934	}	1196	};
935	}	1197	}
936		1198
937	#############################################################################	1199	#############################################################################
938		1200
		1201	=back
		1202
939	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
940		1204
941	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
942		1206
943	=cut	1207	=cut
…		…
955	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
956		1220
957	=cut	1221	=cut
958		1222
959	sub playerdir($) {	1223	sub playerdir($) {
960	cf::localdir	1224	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1226	}
966		1227
967	sub path($) {	1228	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1088	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1089		1350
1090	=cut	1351	=cut
1091		1352
1092	sub list_logins {	1353	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1355	or return [];
1095		1356
1096	my @logins;	1357	my @logins;
1097		1358
1098	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1133	}	1394	}
1134		1395
1135	\@paths	1396	\@paths
1136	}	1397	}
1137		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1138	=item $player->ext_reply ($msgid, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1139		1450
1140	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1141		1452
1142	=cut	1453	=cut
1143		1454
1144	sub ext_reply($$%) {	1455	sub ext_reply($$%) {
1145	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1146		1457
1147	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1148		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1460	}
1151		1461
1152	=item $player->ext_event ($type, %msg)	1462	=item $player->ext_event ($type, %msg)
1153		1463
1154	Sends an ext event to the client.	1464	Sends an ext event to the client.
…		…
1169		1479
1170	package cf::region;	1480	package cf::region;
1171		1481
1172	=item cf::region::find_by_path $path	1482	=item cf::region::find_by_path $path
1173		1483
1174	Tries to decuce the probable region for a map knowing only its path.	1484	Tries to decuce the likely region for a map knowing only its path.
1175		1485
1176	=cut	1486	=cut
1177		1487
1178	sub find_by_path($) {	1488	sub find_by_path($) {
1179	my ($path) = @_;	1489	my ($path) = @_;
1180		1490
1181	my ($match, $specificity);	1491	my ($match, $specificity);
1182		1492
1183	for my $region (list) {	1493	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1494	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1495	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1496	if $region->specificity > $specificity;
1187	}	1497	}
1188	}	1498	}
1189		1499
…		…
1253	my ($self, $merge) = @_;	1563	my ($self, $merge) = @_;
1254		1564
1255	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1256	local $self->{path};	1566	local $self->{path};
1257	local $self->{load_path};	1567	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1568
1261	$self->SUPER::thawer_merge ($merge);	1569	$self->SUPER::thawer_merge ($merge);
1262	}	1570	}
1263		1571
1264	sub normalise {	1572	sub normalise {
…		…
1336		1644
1337	# the original (read-only) location	1645	# the original (read-only) location
1338	sub load_path {	1646	sub load_path {
1339	my ($self) = @_;	1647	my ($self) = @_;
1340		1648
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1342	}	1650	}
1343		1651
1344	# the temporary/swap location	1652	# the temporary/swap location
1345	sub save_path {	1653	sub save_path {
1346	my ($self) = @_;	1654	my ($self) = @_;
1347		1655
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1350	}	1658	}
1351		1659
1352	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1353	sub uniq_path {	1661	sub uniq_path {
1354	my ($self) = @_;	1662	my ($self) = @_;
1355		1663
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1358	}	1666	}
1359		1667
1360	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1361	# all maps in C++...	1669	# all maps in C++...
1362	sub change_all_map_light {	1670	sub change_all_map_light {
1363	my ($change) = @_;	1671	my ($change) = @_;
1364		1672
1365	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
		1675	}
		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
1367	}	1683	}
1368		1684
1369	sub unlink_save {	1685	sub unlink_save {
1370	my ($self) = @_;	1686	my ($self) = @_;
1371		1687
…		…
1429	$self->load_header_orig	1745	$self->load_header_orig
1430	or return;	1746	or return;
1431	$self->prepare_orig;	1747	$self->prepare_orig;
1432	}	1748	}
1433		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
1434	$self->default_region (cf::region::find_by_path $self->{path})	1753	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1754	unless $self->default_region;
1436		1755
1437	1	1756	1
1438	}	1757	}
…		…
1453	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1454		1773
1455	$map->load_header	1774	$map->load_header
1456	or return;	1775	or return;
1457		1776
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1778	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1461	$map->reset;	1780	$map->reset;
1462	undef $guard;	1781	undef $guard;
1463	return find $path;	1782	return find $path;
…		…
1474	my ($self) = @_;	1793	my ($self) = @_;
1475		1794
1476	local $self->{deny_reset} = 1; # loading can take a long time	1795	local $self->{deny_reset} = 1; # loading can take a long time
1477		1796
1478	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1480		1801
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1482		1803
1483	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1484		1805
1485	$self->alloc;	1806	$self->alloc;
1486		1807
1487	$self->pre_load;	1808	$self->pre_load;
1488	Coro::cede;
1489
1490	$self->_load_objects ($self->{load_path}, 1)
1491	or return;
1492
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};
1495
1496	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {
1499	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);
1501	}
1502	}
1503
1504	Coro::cede;
1505	# now do the right thing for maps
1506	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;	1809	Coro::cede;
1514	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1515	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1829	unless $self->difficulty;
1517	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1518	$self->activate;	1839	$self->activate;
1519	Coro::cede;	1840	}
		1841
		1842	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1843	}
1521		1844
1522	$self->post_load;	1845	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1846	}
1527		1847
1528	sub customise_for {	1848	sub customise_for {
1529	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1530		1850
1531	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1533		1856
1534	$self	1857	$self
1535	}	1858	}
1536		1859
1537	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
…		…
1648		1971
1649	sub reset_at {	1972	sub reset_at {
1650	my ($self) = @_;	1973	my ($self) = @_;
1651		1974
1652	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1655		1977
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		1980
…		…
1669	my ($self) = @_;	1991	my ($self) = @_;
1670		1992
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		1994
1673	return if $self->players;	1995	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		1996
1676	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
1677		1998
1678	$self->in_memory (cf::MAP_SWAPPED);	1999	$self->in_memory (cf::MAP_SWAPPED);
1679		2000
1680	# need to save uniques path	2001	# need to save uniques path
1681	unless ($self->{deny_save}) {	2002	unless ($self->{deny_save}) {
…		…
1713	$cf::MAP{$self->path} = $self;	2034	$cf::MAP{$self->path} = $self;
1714		2035
1715	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1716	}	2037	}
1717		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
		2073	}
		2074
1718	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1719		2076
1720	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2078	instantiated unique items. May block.
1722		2079
1723	=cut	2080	=cut
1724		2081
1725	sub unique_maps() {	2082	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1727	or return;	2084	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2085	utf8::decode $_;
1733	next if /\.pst$/;	2086	/\.map$/
1734	next unless /^$PATH_SEP/o;	2087	? normalise $_
1735		2088	: ()
1736	push @paths, cf::map::normalise $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2090	]
1738
1739	\@paths
1740	}	2091	}
1741		2092
1742	package cf;	2093	package cf;
1743		2094
1744	=back	2095	=back
…		…
1790		2141
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2143
1793	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1795	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1798	}	2163	}
1799	}	2164	}
1800		2165
1801	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1802		2167
…		…
1850	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1851		2216
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2218
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1856		2221
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2223	}
1859		2224
1860	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1862		2229
1863	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1864		2231
1865	unless ($map) {	2232	unless ($map) {
1866	# restore original map position	2233	# restore original map position
…		…
1889		2256
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1892	}	2259	}
1893		2260
1894	cf::player->attach (
1895	on_logout => sub {
1896	my ($pl) = @_;
1897
1898	# abort map switching before logout
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1927		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1928	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1929		2271
1930	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2277
1933	$self->enter_link;	2278	$self->enter_link;
1934		2279
1935	(async {	2280	(async {
1936	my $map = eval {	2281	my $map = eval {
1937	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
		2286	$map = $check->($map) if $check && $map;
		2287	} else {
		2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
		2290
1939	$map	2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2297	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1944	})->prio (1);	2303	})->prio (1);
1945	}	2304	}
1946		2305
1947	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1948		2307
…		…
1987		2346
1988	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1989		2348
1990	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2351	my $meta = "$RANDOMDIR/$md5.meta";
1993		2352
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2355	undef $fh;
1997	aio_rename "$meta~", $meta;	2356	aio_rename "$meta~", $meta;
…		…
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;	2376	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2377	my $sp = $exit->stats->sp;
2019		2378
2020	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
2021		2384
2022	(async {	2385	(async {
2023	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2387	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2388	$self->goto ($slaying, $hp, $sp);
…		…
2053		2416
2054	utf8::encode $text;	2417	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2419	}
2057		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
2058	=item $client->ext_event ($type, %msg)	2461	=item $client->ext_event ($type, %msg)
2059		2462
2060	Sends an exti event to the client.	2463	Sends an ext event to the client.
2061		2464
2062	=cut	2465	=cut
2063		2466
2064	sub cf::client::ext_event($$%) {	2467	sub cf::client::ext_event($$%) {
2065	my ($self, $type, %msg) = @_;	2468	my ($self, $type, %msg) = @_;
2066		2469
2067	$msg{msgtype} = "event_$type";	2470	$msg{msgtype} = "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2069	}	2472	}
2070		2473
2071	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
2072		2475
2073	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2479
2077	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2481	become reliable at some point in the future.
2079		2482
2080	=cut	2483	=cut
2081		2484
2082	sub cf::client::query {	2485	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2494	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2496
2094	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
2096	}	2501	}
2097		2502
2098	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
2099	on_reply => sub {	2509	on_reply => sub {
2100	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
2101		2511
2102	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
2103	# get handled first	2513	# get handled first
…		…
2115	} else {	2525	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2527	}
2118	}	2528	}
2119	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
2120	);	2548	);
2121		2549
2122	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2123		2551
2124	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2173		2601
2174	=pod	2602	=pod
2175		2603
2176	The following functions and methods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2177		2605
2178	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2179	cf::object::player player	2610	cf::object::player
2180	cf::player peaceful	2611	player
2181	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2182		2618
2183	=cut	2619	=cut
2184		2620
2185	for (	2621	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2187	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2190	) {	2627	) {
2191	no strict 'refs';	2628	no strict 'refs';
…		…
2262	=back	2699	=back
2263		2700
2264	=cut	2701	=cut
2265		2702
2266	#############################################################################	2703	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2704	# the server's init and main functions
2437		2705
2438	sub load_facedata($) {	2706	sub load_facedata($) {
2439	my ($path) = @_;	2707	my ($path) = @_;
2440		2708
…		…
2452	{	2720	{
2453	my $faces = $facedata->{faceinfo};	2721	my $faces = $facedata->{faceinfo};
2454		2722
2455	while (my ($face, $info) = each %$faces) {	2723	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2460	Coro::cede;	2729
		2730	cf::cede_to_tick;
2461	}	2731	}
2462		2732
2463	while (my ($face, $info) = each %$faces) {	2733	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	2734	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	2735	my $idx = cf::face::find $face
2466	or next;	2736	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	2740	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	2742	}
2472	Coro::cede;	2743
		2744	cf::cede_to_tick;
2473	}	2745	}
2474	}	2746	}
2475		2747
2476	{	2748	{
2477	my $anims = $facedata->{animinfo};	2749	my $anims = $facedata->{animinfo};
2478		2750
2479	while (my ($anim, $info) = each %$anims) {	2751	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	2753	cf::cede_to_tick;
2482	}	2754	}
2483		2755
2484	cf::anim::invalidate_all; # d'oh	2756	cf::anim::invalidate_all; # d'oh
2485	}	2757	}
2486		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
2487	1	2782	1
2488	}	2783	}
2489		2784
		2785	sub reload_regions {
		2786	load_resource_file "$MAPDIR/regions"
		2787	or die "unable to load regions file\n";
		2788
		2789	for (cf::region::list) {
		2790	$_->{match} = qr/$_->{match}/
		2791	if exists $_->{match};
		2792	}
		2793	}
		2794
2490	sub reload_facedata {	2795	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	2796	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	2797	or die "unable to load facedata\n";
2493	}	2798	}
2494		2799
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	2800	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	2801	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	2802	or die "unable to load archetypes\n";
		2803	#d# NEED to laod twice to resolve forward references
		2804	# this really needs to be done in an extra post-pass
		2805	# (which needs to be synchronous, so solve it differently)
		2806	load_resource_file "$DATADIR/archetypes"
		2807	or die "unable to load archetypes\n";
2503	}	2808	}
2504		2809
2505	sub reload_treasures {	2810	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	2811	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	2812	or die "unable to load treasurelists\n";
2508	}	2813	}
2509		2814
2510	sub reload_resources {	2815	sub reload_resources {
2511	warn "reloading resource files...\n";	2816	warn "reloading resource files...\n";
2512		2817
2513	reload_regions;	2818	reload_regions;
2514	reload_facedata;	2819	reload_facedata;
		2820	#reload_archetypes;#d#
2515	reload_archetypes;	2821	reload_archetypes;
2516	reload_treasures;	2822	reload_treasures;
2517		2823
2518	warn "finished reloading resource files\n";	2824	warn "finished reloading resource files\n";
2519	}	2825	}
…		…
2521	sub init {	2827	sub init {
2522	reload_resources;	2828	reload_resources;
2523	}	2829	}
2524		2830
2525	sub cfg_load {	2831	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	2832	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	2833	or return;
2528		2834
2529	local $/;	2835	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	2836	*CFG = YAML::Syck::Load <$fh>;
2531		2837
…		…
2576	},	2882	},
2577	);	2883	);
2578	}	2884	}
2579	}	2885	}
2580		2886
		2887	sub write_runtime {
		2888	my $runtime = "$LOCALDIR/runtime";
		2889
		2890	# first touch the runtime file to show we are still running:
		2891	# the fsync below can take a very very long time.
		2892
		2893	IO::AIO::aio_utime $runtime, undef, undef;
		2894
		2895	my $guard = cf::lock_acquire "write_runtime";
		2896
		2897	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2898	or return;
		2899
		2900	my $value = $cf::RUNTIME + 90 + 10;
		2901	# 10 is the runtime save interval, for a monotonic clock
		2902	# 60 allows for the watchdog to kill the server.
		2903
		2904	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2905	and return;
		2906
		2907	# always fsync - this file is important
		2908	aio_fsync $fh
		2909	and return;
		2910
		2911	# touch it again to show we are up-to-date
		2912	aio_utime $fh, undef, undef;
		2913
		2914	close $fh
		2915	or return;
		2916
		2917	aio_rename "$runtime~", $runtime
		2918	and return;
		2919
		2920	warn "runtime file written.\n";
		2921
		2922	1
		2923	}
		2924
2581	sub emergency_save() {	2925	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	2926	my $freeze_guard = cf::freeze_mainloop;
2583		2927
2584	warn "enter emergency perl save\n";	2928	warn "enter emergency perl save\n";
2585		2929
…		…
2660	%EXT_CORO = ();	3004	%EXT_CORO = ();
2661		3005
2662	warn "removing commands";	3006	warn "removing commands";
2663	%COMMAND = ();	3007	%COMMAND = ();
2664		3008
2665	warn "removing ext commands";	3009	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3010	%EXTCMD = ();
		3011	%EXTICMD = ();
2667		3012
2668	warn "unloading/nuking all extensions";	3013	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3014	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3015	warn "... unloading $pkg";
2671		3016
…		…
2701	Symbol::delete_package "safe::$_"	3046	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3047	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3048
2704	warn "unloading cf.pm \"a bit\"";	3049	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3050	delete $INC{"cf.pm"};
		3051	delete $INC{"cf/pod.pm"};
2706		3052
2707	# don't, removes xs symbols, too,	3053	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3054	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3055	#Symbol::delete_package __PACKAGE__;
2710		3056
…		…
2788	my $signal = new Coro::Signal;	3134	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3135	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3136	$signal->wait;
2791	}	3137	}
2792		3138
		3139	my $min = 1e6;#d#
		3140	my $avg = 10;
2793	$TICK_WATCHER = Event->timer (	3141	$TICK_WATCHER = Event->timer (
2794	reentrant => 0,	3142	reentrant => 0,
2795	parked => 1,	3143	parked => 1,
2796	prio => 0,	3144	prio => 0,
2797	at => $NEXT_TICK || $TICK,	3145	at => $NEXT_TICK || $TICK,
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3149	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3150	unless ++$bug_warning > 10;
2803	return;	3151	return;
2804	}	3152	}
2805		3153
2806	$NOW = Event::time;	3154	$NOW = $tick_start = Event::time;
2807		3155
2808	cf::server_tick; # one server iteration	3156	cf::server_tick; # one server iteration
		3157
		3158	0 && sync_job {#d#
		3159	for(1..10) {
		3160	my $t = Event::time;
		3161	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3162	or die;
		3163
		3164	$map->width (50);
		3165	$map->height (50);
		3166	$map->alloc;
		3167	$map->_load_objects ("/tmp/x.map", 1);
		3168	my $t = Event::time - $t;
		3169
		3170	#next unless $t < 0.0013;#d#
		3171	if ($t < $min) {
		3172	$min = $t;
		3173	}
		3174	$avg = $avg * 0.99 + $t * 0.01;
		3175	}
		3176	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3177	exit 0;
		3178	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3179	};
2809		3180
2810	$RUNTIME += $TICK;	3181	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3182	$NEXT_TICK += $TICK;
2812		3183
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3184	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2819	}	3190	}
2820		3191
2821	# my $AFTER = Event::time;	3192	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#	3193	# warn $AFTER - $NOW;#d#
2823		3194
		3195	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3196	$sig->send;
		3197	}
		3198	while (my $sig = shift @WAIT_FOR_TICK) {
		3199	$sig->send;
		3200	}
		3201
		3202	$NOW = Event::time;
		3203
2824	# if we are delayed by four ticks or more, skip them all	3204	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3205	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3206
2827	$TICK_WATCHER->at ($NEXT_TICK);	3207	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2829		3209
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3210	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3211	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3212
2837	_post_tick;	3213	_post_tick;
		3214
		3215
2838	},	3216	},
2839	);	3217	);
2840		3218
2841	{	3219	{
2842	BDB::max_poll_time $TICK * 0.1;	3220	BDB::max_poll_time $TICK * 0.1;
…		…
2870		3248
2871	cf::sync_job {	3249	cf::sync_job {
2872	eval {	3250	eval {
2873	BDB::db_env_open	3251	BDB::db_env_open
2874	$DB_ENV,	3252	$DB_ENV,
2875	$BDB_ENV_DIR,	3253	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3256	0666;
2879		3257
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881		3259
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3260	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;	3261	$DB_ENV->set_lk_detect;
2884	};	3262	};
2885		3263
…		…
2901	prio => 6,	3279	prio => 6,
2902	cb => \&IO::AIO::poll_cb,	3280	cb => \&IO::AIO::poll_cb,
2903	);	3281	);
2904	}	3282	}
2905		3283
		3284	my $_log_backtrace;
		3285
		3286	sub _log_backtrace {
		3287	my ($msg, @addr) = @_;
		3288
		3289	$msg =~ s/\n//;
		3290
		3291	# limit the # of concurrent backtraces
		3292	if ($_log_backtrace < 2) {
		3293	++$_log_backtrace;
		3294	async {
		3295	my @bt = fork_call {
		3296	@addr = map { sprintf "%x", $_ } @addr;
		3297	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3298	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3299	or die "addr2line: $!";
		3300
		3301	my @funcs;
		3302	my @res = <$fh>;
		3303	chomp for @res;
		3304	while (@res) {
		3305	my ($func, $line) = splice @res, 0, 2, ();
		3306	push @funcs, "[$func] $line";
		3307	}
		3308
		3309	@funcs
		3310	};
		3311
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] $_\n" for @bt;
		3314	--$_log_backtrace;
		3315	};
		3316	} else {
		3317	LOG llevInfo, "[ABT] $msg\n";
		3318	LOG llevInfo, "[ABT] [suppressed]\n";
		3319	}
		3320	}
		3321
2906	# load additional modules	3322	# load additional modules
2907	use cf::pod;	3323	use cf::pod;
2908		3324
2909	END { cf::emergency_save }	3325	END { cf::emergency_save }
2910		3326

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