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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.294 by root, Tue Jul 3 06:00:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.61 ();	15	use Coro 3.61 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
22		24
		25	use JSON::XS 1.4 ();
23	use BDB ();	26	use BDB ();
24	use Data::Dumper;	27	use Data::Dumper;
25	use Digest::MD5;	28	use Digest::MD5;
26	use Fcntl;	29	use Fcntl;
27	use YAML::Syck ();	30	use YAML::Syck ();
…		…
47	our %COMMAND = ();	50	our %COMMAND = ();
48	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
49		52
50	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
54		58
55	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
56	our @EVENT;	60	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	61
		62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
58		73
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	75	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
…		…
73	our $RUNTIME;	88	our $RUNTIME;
74		89
75	our %PLAYER; # all users	90	our %PLAYER; # all users
76	our %MAP; # all maps	91	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		93
81	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
84	binmode STDOUT;	101	binmode STDOUT;
85	binmode STDERR;	102	binmode STDERR;
86		103
87	# read virtual server time, if available	104	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
92	}	109	}
93		110
94	mkdir cf::localdir;	111	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		113
101	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
102		115
103	sub cf::map::normalise;	116	sub cf::map::normalise;
104		117
…		…
115	=item $cf::RUNTIME	128	=item $cf::RUNTIME
116		129
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	131	every server tick.
119		132
120	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		136
122	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
124		141
125	=item $cf::NOW	142	=item $cf::NOW
126		143
127	The time of the last (current) server tick.	144	The time of the last (current) server tick.
128		145
129	=item $cf::TICK	146	=item $cf::TICK
130		147
131	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
132		159
133	=item %cf::CFG	160	=item %cf::CFG
134		161
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	163	from wherever your confdir points to.
…		…
146	=cut	173	=cut
147		174
148	BEGIN {	175	BEGIN {
149	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	177	my $msg = join "", @_;
151	utf8::encode $msg;
152		178
153	$msg .= "\n"	179	$msg .= "\n"
154	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
155		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
156	LOG llevError, $msg;	185	LOG llevError, $msg;
157	};	186	};
158	}	187	}
159		188
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		196
167	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	198	# within the Safe compartment.
169	for my $pkg (qw(	199	for my $pkg (qw(
170	cf::global cf::attachable	200	cf::global cf::attachable
…		…
178	}	208	}
179		209
180	$Event::DIED = sub {	210	$Event::DIED = sub {
181	warn "error in event callback: @_";	211	warn "error in event callback: @_";
182	};	212	};
		213
		214	#############################################################################
183		215
184	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
185		217
186	=over 4	218	=over 4
187		219
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	239	$d
208	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
209	}	241	}
210		242
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
214		244
215	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
216		246
217	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
218		248
219	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
		250
		251	=cut
		252
		253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
220		257
221	=item cf::lock_wait $string	258	=item cf::lock_wait $string
222		259
223	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
224		261
…		…
230	returned.	267	returned.
231		268
232	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
234		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
235	=cut	276	=cut
236		277
237	our %LOCK;	278	our %LOCK;
238		279
239	sub lock_wait($) {	280	sub lock_wait($) {
…		…
256		297
257	Coro::guard {	298	Coro::guard {
258	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
260	}	301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
261	}	308	}
262		309
263	sub freeze_mainloop {	310	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
265		312
…		…
280		327
281	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
282		329
283	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
284		331
285	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
288		336
289	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
292	fast or be very important.	340	fast or be very important.
…		…
295		343
296	sub sync_job(&) {	344	sub sync_job(&) {
297	my ($job) = @_;	345	my ($job) = @_;
298		346
299	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
300	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
302		352
303	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
315		365
316	while ($busy) {	366	while ($busy) {
317	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
318	}	368	}
319		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
320	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
321	} else {	378	} else {
322	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
323		380
324	$job->()	381	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
344		401
345	$coro	402	$coro
346	}	403	}
347		404
348	sub write_runtime {	405	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		406
351	my $runtime = cf::localdir . "/runtime";	407	Executes the given code block with the given arguments in a seperate
		408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
352		411
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	412	=cut
354	or return;
355		413
356	my $value = $cf::RUNTIME + 90 + 10;	414	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	415	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		416
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
361	and return;	418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
362		421
363	# always fsync - this file is important	422	if (my $pid = fork) {
364	aio_fsync $fh
365	and return;
366
367	close $fh	423	close $fh2;
368	or return;
369		424
370	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
371	and return;	426	$res = Coro::Storable::thaw $res;
372		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
373	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
374	}	563	}
375		564
376	=item cf::datalog type => key => value, ...	565	=item cf::datalog type => key => value, ...
377		566
378	Log a datalog packet of the given type with the given key-value pairs.	567	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
398		587
399	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	590	Crossfire TRT).
402		591
403	=over 4	592	=over 4
404		593
405	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
406		595
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
570		759
571	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		764
576	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	766	my $pkg = shift @arg;
578		767
579	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
609	}	798	}
610		799
611	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
612	} else {	801	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	803	}
615		804
616	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
617	}	806	}
618		807
…		…
620	if (ref $_[0]) {	809	if (ref $_[0]) {
621	_object_attach @_;	810	_object_attach @_;
622	} else {	811	} else {
623	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
624	}	813	}
		814	_recalc_want;
625	};	815	};
626		816
627	# all those should be optimised	817	# all those should be optimised
628	sub cf::attachable::detach {	818	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
633	reattach ($obj);	823	reattach ($obj);
634	} else {	824	} else {
635	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
636	}	826	}
		827	_recalc_want;
637	};	828	};
638		829
639	sub cf::attachable::attached {	830	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
641		832
…		…
814	or return;	1005	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1007	}
817		1008
818	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1011	return ($data, $av);
821	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
822		1019
823	#############################################################################	1020	#############################################################################
824	# command handling &c	1021	# command handling &c
825		1022
826	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1037	}
841		1038
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1040
844	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
845		1046
846	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
847	called.	1048	called.
848		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
849	=cut	1061	=cut
850		1062
851	sub register_extcmd {	1063	sub register_extcmd {
852	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
853		1065
854	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
855	}	1073	}
856		1074
857	cf::player->attach (	1075	cf::player->attach (
858	on_command => sub {	1076	on_command => sub {
859	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1086	cf::override;
869	},	1087	},
870	on_extcmd => sub {	1088	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
872		1090
873	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1092
875	if (ref $msg) {	1093	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1102
885	cf::override;	1103	cf::override;
886	},	1104	},
887	);	1105	);
888		1106
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
924	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1112	next unless -r $path;
926	eval {	1113
927	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
928	1	1171	}
929	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
930	}	1177	};
931	}	1178	}
932		1179
933	#############################################################################	1180	#############################################################################
934		1181
		1182	=back
		1183
935	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
936		1185
937	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
938		1187
939	=cut	1188	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
952		1201
953	=cut	1202	=cut
954		1203
955	sub playerdir($) {	1204	sub playerdir($) {
956	cf::localdir	1205	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1207	}
962		1208
963	sub path($) {	1209	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1085		1331
1086	=cut	1332	=cut
1087		1333
1088	sub list_logins {	1334	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1336	or return [];
1091		1337
1092	my @logins;	1338	my @logins;
1093		1339
1094	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1129	}	1375	}
1130		1376
1131	\@paths	1377	\@paths
1132	}	1378	}
1133		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	s/^\s+//;
		1420	s/\s+$//;
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1134	=item $player->ext_reply ($msgid, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1135		1431
1136	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1137		1433
1138	=cut	1434	=cut
1139		1435
1140	sub ext_reply($$%) {	1436	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1142		1438
1143	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1144		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1441	}
1147		1442
1148	=item $player->ext_event ($type, %msg)	1443	=item $player->ext_event ($type, %msg)
1149		1444
1150	Sends an ext event to the client.	1445	Sends an ext event to the client.
…		…
1165		1460
1166	package cf::region;	1461	package cf::region;
1167		1462
1168	=item cf::region::find_by_path $path	1463	=item cf::region::find_by_path $path
1169		1464
1170	Tries to decuce the probable region for a map knowing only its path.	1465	Tries to decuce the likely region for a map knowing only its path.
1171		1466
1172	=cut	1467	=cut
1173		1468
1174	sub find_by_path($) {	1469	sub find_by_path($) {
1175	my ($path) = @_;	1470	my ($path) = @_;
…		…
1249	my ($self, $merge) = @_;	1544	my ($self, $merge) = @_;
1250		1545
1251	# we have to keep some variables in memory intact	1546	# we have to keep some variables in memory intact
1252	local $self->{path};	1547	local $self->{path};
1253	local $self->{load_path};	1548	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1549
1257	$self->SUPER::thawer_merge ($merge);	1550	$self->SUPER::thawer_merge ($merge);
1258	}	1551	}
1259		1552
1260	sub normalise {	1553	sub normalise {
…		…
1332		1625
1333	# the original (read-only) location	1626	# the original (read-only) location
1334	sub load_path {	1627	sub load_path {
1335	my ($self) = @_;	1628	my ($self) = @_;
1336		1629
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1630	"$MAPDIR/$self->{path}.map"
1338	}	1631	}
1339		1632
1340	# the temporary/swap location	1633	# the temporary/swap location
1341	sub save_path {	1634	sub save_path {
1342	my ($self) = @_;	1635	my ($self) = @_;
1343		1636
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1638	"$TMPDIR/$path.map"
1346	}	1639	}
1347		1640
1348	# the unique path, undef == no special unique path	1641	# the unique path, undef == no special unique path
1349	sub uniq_path {	1642	sub uniq_path {
1350	my ($self) = @_;	1643	my ($self) = @_;
1351		1644
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1646	"$UNIQUEDIR/$path"
1354	}	1647	}
1355		1648
1356	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1357	# all maps in C++...	1650	# all maps in C++...
1358	sub change_all_map_light {	1651	sub change_all_map_light {
1359	my ($change) = @_;	1652	my ($change) = @_;
1360		1653
1361	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
		1656	}
		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
1363	}	1664	}
1364		1665
1365	sub unlink_save {	1666	sub unlink_save {
1366	my ($self) = @_;	1667	my ($self) = @_;
1367		1668
…		…
1425	$self->load_header_orig	1726	$self->load_header_orig
1426	or return;	1727	or return;
1427	$self->prepare_orig;	1728	$self->prepare_orig;
1428	}	1729	}
1429		1730
		1731	$self->{deny_reset} = 1
		1732	if $self->no_reset;
		1733
1430	$self->default_region (cf::region::find_by_path $self->{path})	1734	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1735	unless $self->default_region;
1432		1736
1433	1	1737	1
1434	}	1738	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1450		1754
1451	$map->load_header	1755	$map->load_header
1452	or return;	1756	or return;
1453		1757
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1759	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1760	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1761	$map->reset;
1458	undef $guard;	1762	undef $guard;
1459	return find $path;	1763	return find $path;
…		…
1470	my ($self) = @_;	1774	my ($self) = @_;
1471		1775
1472	local $self->{deny_reset} = 1; # loading can take a long time	1776	local $self->{deny_reset} = 1; # loading can take a long time
1473		1777
1474	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1781	my $guard = cf::lock_acquire "map_load:$path";
1476		1782
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1784
1479	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1480		1786
1481	$self->alloc;	1787	$self->alloc;
1482		1788
1483	$self->pre_load;	1789	$self->pre_load;
1484	Coro::cede;
1485
1486	$self->_load_objects ($self->{load_path}, 1)
1487	or return;
1488
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};
1491
1492	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {
1495	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);
1497	}
1498	}
1499
1500	Coro::cede;
1501	# now do the right thing for maps
1502	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;	1790	Coro::cede;
1510	$self->set_darkness_map;	1791
		1792	$self->_load_objects ($self->{load_path}, 1)
		1793	or return;
		1794
		1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1796	if delete $self->{load_original};
		1797
		1798	if (my $uniq = $self->uniq_path) {
		1799	utf8::encode $uniq;
		1800	if (aio_open $uniq, O_RDONLY, 0) {
		1801	$self->clear_unique_items;
		1802	$self->_load_objects ($uniq, 0);
		1803	}
		1804	}
		1805
		1806	Coro::cede;
		1807	# now do the right thing for maps
		1808	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1810	unless $self->difficulty;
1513	Coro::cede;	1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1514	$self->activate;	1820	$self->activate;
1515	Coro::cede;	1821	}
		1822
		1823	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1824	}
1517		1825
1518	$self->post_load;	1826	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1827	}
1523		1828
1524	sub customise_for {	1829	sub customise_for {
1525	my ($self, $ob) = @_;	1830	my ($self, $ob) = @_;
1526		1831
1527	return find "~" . $ob->name . "/" . $self->{path}	1832	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
1529		1837
1530	$self	1838	$self
1531	}	1839	}
1532		1840
1533	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
…		…
1644		1952
1645	sub reset_at {	1953	sub reset_at {
1646	my ($self) = @_;	1954	my ($self) = @_;
1647		1955
1648	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1651		1958
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		1961
…		…
1665	my ($self) = @_;	1972	my ($self) = @_;
1666		1973
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		1975
1669	return if $self->players;	1976	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		1977
1672	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
1673		1979
1674	$self->in_memory (cf::MAP_SWAPPED);	1980	$self->in_memory (cf::MAP_SWAPPED);
1675		1981
1676	# need to save uniques path	1982	# need to save uniques path
1677	unless ($self->{deny_save}) {	1983	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2015	$cf::MAP{$self->path} = $self;
1710		2016
1711	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1712	}	2018	}
1713		2019
		2020	=item $maps = cf::map::tmp_maps
		2021
		2022	Returns an arrayref with all map paths of currently instantiated and saved
		2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
		2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
		2037
		2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
1714	=item cf::map::unique_maps	2056	=item cf::map::unique_maps
1715		2057
1716	Returns an arrayref of paths of all shared maps that have	2058	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2059	instantiated unique items. May block.
1718		2060
1719	=cut	2061	=cut
1720		2062
1721	sub unique_maps() {	2063	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2064	[
1723	or return;	2065	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2066	utf8::decode $_;
1729	next if /\.pst$/;	2067	/\.map$/
1730	next unless /^$PATH_SEP/o;	2068	? normalise $_
1731		2069	: ()
1732	push @paths, cf::map::normalise $_;	2070	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2071	]
1734
1735	\@paths
1736	}	2072	}
1737		2073
1738	package cf;	2074	package cf;
1739		2075
1740	=back	2076	=back
…		…
1786		2122
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2124
1789	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1791	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1794	}	2144	}
1795	}	2145	}
1796		2146
1797	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1798		2148
…		…
1846	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1847		2197
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2199
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1852		2202
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2204	}
1855		2205
1856	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1858		2210
1859	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1860		2212
1861	unless ($map) {	2213	unless ($map) {
1862	# restore original map position	2214	# restore original map position
…		…
1885		2237
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1888	}	2240	}
1889		2241
1890	cf::player->attach (
1891	on_logout => sub {
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1923		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1924	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1925		2252
1926	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2258
1929	$self->enter_link;	2259	$self->enter_link;
1930		2260
1931	(async {	2261	(async {
1932	my $map = eval {	2262	my $map = eval {
1933	my $map = cf::map::find $path;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
		2267	$map = $check->($map) if $check && $map;
		2268	} else {
		2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
		2271
1935	$map	2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2278	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1940	})->prio (1);	2284	})->prio (1);
1941	}	2285	}
1942		2286
1943	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1944		2288
…		…
1983		2327
1984	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1985		2329
1986	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2332	my $meta = "$RANDOMDIR/$md5.meta";
1989		2333
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2336	undef $fh;
1993	aio_rename "$meta~", $meta;	2337	aio_rename "$meta~", $meta;
…		…
2049		2393
2050	utf8::encode $text;	2394	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2396	}
2053		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
2054	=item $client->ext_event ($type, %msg)	2438	=item $client->ext_event ($type, %msg)
2055		2439
2056	Sends an exti event to the client.	2440	Sends an ext event to the client.
2057		2441
2058	=cut	2442	=cut
2059		2443
2060	sub cf::client::ext_event($$%) {	2444	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2445	my ($self, $type, %msg) = @_;
2062		2446
2063	$msg{msgtype} = "event_$type";	2447	$msg{msgtype} = "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2065	}	2449	}
2066		2450
2067	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
2068		2452
2069	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2456
2073	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2458	become reliable at some point in the future.
2075		2459
2076	=cut	2460	=cut
2077		2461
2078	sub cf::client::query {	2462	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2471	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2473
2090	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
2092	}	2478	}
2093		2479
2094	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
2095	on_reply => sub {	2486	on_reply => sub {
2096	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
2097		2488
2098	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
2099	# get handled first	2490	# get handled first
…		…
2110	$ns->send_packet ($ns->{query_queue}[0][0]);	2501	$ns->send_packet ($ns->{query_queue}[0][0]);
2111	} else {	2502	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2504	}
2114	}	2505	}
		2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
2115	},	2524	},
2116	);	2525	);
2117		2526
2118	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
2119		2528
…		…
2258	=back	2667	=back
2259		2668
2260	=cut	2669	=cut
2261		2670
2262	#############################################################################	2671	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	=item cf::cache $id => ...
2335
2336	Generic caching function that returns the value of the resource $id,
2337	caching and regenerating as required.
2338
2339	This function can block.
2340
2341	source => filename returning the data (must be a scalar)
2342	expensive => true == try to cache harder
2343	filter => sub that processes the data into a scalar
2344
2345	=cut
2346
2347	sub cache {
2348	my ($id, %arg) = @_;
2349
2350	aio_stat $arg{source}
2351	and Carp::croak "$arg{source}: $!";
2352
2353	my $meta = join ":", (stat _)[7,9];
2354	my $md5;
2355
2356	if ($arg{expensive}) {
2357	0 <= aio_load $arg{source}, my $buf
2358	or Carp::croak "$arg{source}: $!";
2359
2360	$md5 = Digest::MD5::md5_hex $buf;
2361	}
2362
2363	my $dbmeta = db_get "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we need to process
2366	} else {
2367	# just fetch
2368	}
2369
2370
2371	}
2372
2373	#############################################################################
2374	# the server's init and main functions	2672	# the server's init and main functions
2375		2673
2376	sub load_facedata($) {	2674	sub load_facedata($) {
2377	my ($path) = @_;	2675	my ($path) = @_;
2378		2676
…		…
2423	}	2721	}
2424		2722
2425	1	2723	1
2426	}	2724	}
2427		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
2428	sub reload_facedata {	2731	sub reload_facedata {
2429	load_facedata sprintf "%s/facedata", cf::datadir	2732	load_facedata "$DATADIR/facedata"
2430	or die "unable to load facedata\n";	2733	or die "unable to load facedata\n";
2431	}	2734	}
2432		2735
2433	sub reload_regions {
2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435	or die "unable to load regions file\n";
2436	}
2437
2438	sub reload_archetypes {	2736	sub reload_archetypes {
2439	load_resource_file sprintf "%s/archetypes", cf::datadir	2737	load_resource_file "$DATADIR/archetypes"
2440	or die "unable to load archetypes\n";	2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
2441	}	2744	}
2442		2745
2443	sub reload_treasures {	2746	sub reload_treasures {
2444	load_resource_file sprintf "%s/treasures", cf::datadir	2747	load_resource_file "$DATADIR/treasures"
2445	or die "unable to load treasurelists\n";	2748	or die "unable to load treasurelists\n";
2446	}	2749	}
2447		2750
2448	sub reload_resources {	2751	sub reload_resources {
2449	warn "reloading resource files...\n";	2752	warn "reloading resource files...\n";
2450		2753
2451	reload_regions;	2754	reload_regions;
2452	reload_facedata;	2755	reload_facedata;
		2756	#reload_archetypes;#d#
2453	reload_archetypes;	2757	reload_archetypes;
2454	reload_treasures;	2758	reload_treasures;
2455		2759
2456	warn "finished reloading resource files\n";	2760	warn "finished reloading resource files\n";
2457	}	2761	}
…		…
2459	sub init {	2763	sub init {
2460	reload_resources;	2764	reload_resources;
2461	}	2765	}
2462		2766
2463	sub cfg_load {	2767	sub cfg_load {
2464	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2465	or return;	2769	or return;
2466		2770
2467	local $/;	2771	local $/;
2468	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2469		2773
…		…
2514	},	2818	},
2515	);	2819	);
2516	}	2820	}
2517	}	2821	}
2518		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
2519	sub emergency_save() {	2861	sub emergency_save() {
2520	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2521		2863
2522	warn "enter emergency perl save\n";	2864	warn "enter emergency perl save\n";
2523		2865
…		…
2598	%EXT_CORO = ();	2940	%EXT_CORO = ();
2599		2941
2600	warn "removing commands";	2942	warn "removing commands";
2601	%COMMAND = ();	2943	%COMMAND = ();
2602		2944
2603	warn "removing ext commands";	2945	warn "removing ext/exti commands";
2604	%EXTCMD = ();	2946	%EXTCMD = ();
		2947	%EXTICMD = ();
2605		2948
2606	warn "unloading/nuking all extensions";	2949	warn "unloading/nuking all extensions";
2607	for my $pkg (@EXTS) {	2950	for my $pkg (@EXTS) {
2608	warn "... unloading $pkg";	2951	warn "... unloading $pkg";
2609		2952
…		…
2639	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641		2984
2642	warn "unloading cf.pm \"a bit\"";	2985	warn "unloading cf.pm \"a bit\"";
2643	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2644		2988
2645	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2646	# and global variables created in xs	2990	# and global variables created in xs
2647	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2648		2992
…		…
2726	my $signal = new Coro::Signal;	3070	my $signal = new Coro::Signal;
2727	push @WAIT_FOR_TICK_BEGIN, $signal;	3071	push @WAIT_FOR_TICK_BEGIN, $signal;
2728	$signal->wait;	3072	$signal->wait;
2729	}	3073	}
2730		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2731	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2732	reentrant => 0,	3078	reentrant => 0,
2733	parked => 1,	3079	parked => 1,
2734	prio => 0,	3080	prio => 0,
2735	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
…		…
2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740	unless ++$bug_warning > 10;	3086	unless ++$bug_warning > 10;
2741	return;	3087	return;
2742	}	3088	}
2743		3089
2744	$NOW = Event::time;	3090	$NOW = $tick_start = Event::time;
2745		3091
2746	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
2747		3116
2748	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2749	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2750		3119
2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2757	}	3126	}
2758		3127
2759	# my $AFTER = Event::time;	3128	# my $AFTER = Event::time;
2760	# warn $AFTER - $NOW;#d#	3129	# warn $AFTER - $NOW;#d#
2761		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
		3139
2762	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2764		3142
2765	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2766	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
2767		3145
2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3146	$LOAD = ($NOW - $tick_start) / $TICK;
2769	$sig->send;	3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2770	}
2771	while (my $sig = shift @WAIT_FOR_TICK) {
2772	$sig->send;
2773	}
2774		3148
2775	_post_tick;	3149	_post_tick;
		3150
		3151
2776	},	3152	},
2777	);	3153	);
2778		3154
2779	{	3155	{
2780	BDB::max_poll_time $TICK * 0.1;	3156	BDB::max_poll_time $TICK * 0.1;
…		…
2808		3184
2809	cf::sync_job {	3185	cf::sync_job {
2810	eval {	3186	eval {
2811	BDB::db_env_open	3187	BDB::db_env_open
2812	$DB_ENV,	3188	$DB_ENV,
2813	$BDB_ENV_DIR,	3189	$BDBDIR,
2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816	0666;	3192	0666;
2817		3193
2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819		3195
2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821	$DB_ENV->set_lk_detect;	3197	$DB_ENV->set_lk_detect;
2822	};	3198	};
2823		3199
…		…
2839	prio => 6,	3215	prio => 6,
2840	cb => \&IO::AIO::poll_cb,	3216	cb => \&IO::AIO::poll_cb,
2841	);	3217	);
2842	}	3218	}
2843		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
2844	# load additional modules	3258	# load additional modules
2845	use cf::pod;	3259	use cf::pod;
2846		3260
2847	END { cf::emergency_save }	3261	END { cf::emergency_save }
2848		3262

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