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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.289 by root, Sat Jun 30 03:00:54 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 3.52 ();	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";
58		61
59	our $TICK = MAX_TIME * 1e-6;	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";
		73
		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
63	our $NEXT_TICK;	78	our $NEXT_TICK;
64	our $NOW;	79	our $NOW;
…		…
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 $json_coder = JSON::XS->new->convert_blessed->utf8->max_size (1e6); # accept ~1mb max
		254
		255	sub to_json ($) { $json_coder->encode ($_[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) = @_;
…		…
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<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1406
		1407	# create single paragraphs (very hackish)
		1408	s/(?<=\S)\n(?=\w)/ /g;
		1409
		1410	$_
		1411	}
		1412
1134	=item $player->ext_reply ($msgid, %msg)	1413	=item $player->ext_reply ($msgid, %msg)
1135		1414
1136	Sends an ext reply to the player.	1415	Sends an ext reply to the player.
1137		1416
1138	=cut	1417	=cut
1139		1418
1140	sub ext_reply($$%) {	1419	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1420	my ($self, $id, %msg) = @_;
1142		1421
1143	$msg{msgid} = $id;	1422	$msg{msgid} = $id;
1144
1145	$self->send ("ext " . cf::to_json \%msg);	1423	$self->send ("ext " . cf::to_json \%msg);
1146	}	1424	}
1147		1425
1148	=item $player->ext_event ($type, %msg)	1426	=item $player->ext_event ($type, %msg)
1149		1427
…		…
1165		1443
1166	package cf::region;	1444	package cf::region;
1167		1445
1168	=item cf::region::find_by_path $path	1446	=item cf::region::find_by_path $path
1169		1447
1170	Tries to decuce the probable region for a map knowing only its path.	1448	Tries to decuce the likely region for a map knowing only its path.
1171		1449
1172	=cut	1450	=cut
1173		1451
1174	sub find_by_path($) {	1452	sub find_by_path($) {
1175	my ($path) = @_;	1453	my ($path) = @_;
…		…
1249	my ($self, $merge) = @_;	1527	my ($self, $merge) = @_;
1250		1528
1251	# we have to keep some variables in memory intact	1529	# we have to keep some variables in memory intact
1252	local $self->{path};	1530	local $self->{path};
1253	local $self->{load_path};	1531	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1532
1257	$self->SUPER::thawer_merge ($merge);	1533	$self->SUPER::thawer_merge ($merge);
1258	}	1534	}
1259		1535
1260	sub normalise {	1536	sub normalise {
…		…
1332		1608
1333	# the original (read-only) location	1609	# the original (read-only) location
1334	sub load_path {	1610	sub load_path {
1335	my ($self) = @_;	1611	my ($self) = @_;
1336		1612
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1613	"$MAPDIR/$self->{path}.map"
1338	}	1614	}
1339		1615
1340	# the temporary/swap location	1616	# the temporary/swap location
1341	sub save_path {	1617	sub save_path {
1342	my ($self) = @_;	1618	my ($self) = @_;
1343		1619
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1620	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1621	"$TMPDIR/$path.map"
1346	}	1622	}
1347		1623
1348	# the unique path, undef == no special unique path	1624	# the unique path, undef == no special unique path
1349	sub uniq_path {	1625	sub uniq_path {
1350	my ($self) = @_;	1626	my ($self) = @_;
1351		1627
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1628	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1629	"$UNIQUEDIR/$path"
1354	}	1630	}
1355		1631
1356	# and all this just because we cannot iterate over	1632	# and all this just because we cannot iterate over
1357	# all maps in C++...	1633	# all maps in C++...
1358	sub change_all_map_light {	1634	sub change_all_map_light {
1359	my ($change) = @_;	1635	my ($change) = @_;
1360		1636
1361	$_->change_map_light ($change)	1637	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1638	for grep $_->outdoor, values %cf::MAP;
		1639	}
		1640
		1641	sub decay_objects {
		1642	my ($self) = @_;
		1643
		1644	return if $self->{deny_reset};
		1645
		1646	$self->do_decay_objects;
1363	}	1647	}
1364		1648
1365	sub unlink_save {	1649	sub unlink_save {
1366	my ($self) = @_;	1650	my ($self) = @_;
1367		1651
…		…
1425	$self->load_header_orig	1709	$self->load_header_orig
1426	or return;	1710	or return;
1427	$self->prepare_orig;	1711	$self->prepare_orig;
1428	}	1712	}
1429		1713
		1714	$self->{deny_reset} = 1
		1715	if $self->no_reset;
		1716
1430	$self->default_region (cf::region::find_by_path $self->{path})	1717	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1718	unless $self->default_region;
1432		1719
1433	1	1720	1
1434	}	1721	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1736	$map->{last_save} = $cf::RUNTIME;
1450		1737
1451	$map->load_header	1738	$map->load_header
1452	or return;	1739	or return;
1453		1740
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1741	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1742	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1743	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1744	$map->reset;
1458	undef $guard;	1745	undef $guard;
1459	return find $path;	1746	return find $path;
…		…
1470	my ($self) = @_;	1757	my ($self) = @_;
1471		1758
1472	local $self->{deny_reset} = 1; # loading can take a long time	1759	local $self->{deny_reset} = 1; # loading can take a long time
1473		1760
1474	my $path = $self->{path};	1761	my $path = $self->{path};
		1762
		1763	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1764	my $guard = cf::lock_acquire "map_load:$path";
1476		1765
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1766	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1767
1479	$self->in_memory (cf::MAP_LOADING);	1768	$self->in_memory (cf::MAP_LOADING);
1480		1769
1481	$self->alloc;	1770	$self->alloc;
1482		1771
1483	$self->pre_load;	1772	$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;	1773	Coro::cede;
1510	$self->set_darkness_map;	1774
		1775	$self->_load_objects ($self->{load_path}, 1)
		1776	or return;
		1777
		1778	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1779	if delete $self->{load_original};
		1780
		1781	if (my $uniq = $self->uniq_path) {
		1782	utf8::encode $uniq;
		1783	if (aio_open $uniq, O_RDONLY, 0) {
		1784	$self->clear_unique_items;
		1785	$self->_load_objects ($uniq, 0);
		1786	}
		1787	}
		1788
		1789	Coro::cede;
		1790	# now do the right thing for maps
		1791	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1792	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1793	unless $self->difficulty;
1513	Coro::cede;	1794	Coro::cede;
		1795
		1796	unless ($self->{deny_activate}) {
		1797	$self->decay_objects;
		1798	$self->fix_auto_apply;
		1799	$self->update_buttons;
		1800	Coro::cede;
		1801	$self->set_darkness_map;
		1802	Coro::cede;
1514	$self->activate;	1803	$self->activate;
1515	Coro::cede;	1804	}
		1805
		1806	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1807	}
1517		1808
1518	$self->post_load;	1809	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1810	}
1523		1811
1524	sub customise_for {	1812	sub customise_for {
1525	my ($self, $ob) = @_;	1813	my ($self, $ob) = @_;
1526		1814
1527	return find "~" . $ob->name . "/" . $self->{path}	1815	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1816	if $self->per_player;
		1817
		1818	# return find "?party/" . $ob->name . "/" . $self->{path}
		1819	# if $self->per_party;
1529		1820
1530	$self	1821	$self
1531	}	1822	}
1532		1823
1533	# find and load all maps in the 3x3 area around a map	1824	# find and load all maps in the 3x3 area around a map
…		…
1644		1935
1645	sub reset_at {	1936	sub reset_at {
1646	my ($self) = @_;	1937	my ($self) = @_;
1647		1938
1648	# TODO: safety, remove and allow resettable per-player maps	1939	# 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};	1940	return 1e99 if $self->{deny_reset};
1651		1941
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1942	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1943	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		1944
…		…
1665	my ($self) = @_;	1955	my ($self) = @_;
1666		1956
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	1957	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		1958
1669	return if $self->players;	1959	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		1960
1672	warn "resetting map ", $self->path;#d#	1961	warn "resetting map ", $self->path;
1673		1962
1674	$self->in_memory (cf::MAP_SWAPPED);	1963	$self->in_memory (cf::MAP_SWAPPED);
1675		1964
1676	# need to save uniques path	1965	# need to save uniques path
1677	unless ($self->{deny_save}) {	1966	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	1998	$cf::MAP{$self->path} = $self;
1710		1999
1711	$self->reset; # polite request, might not happen	2000	$self->reset; # polite request, might not happen
1712	}	2001	}
1713		2002
		2003	=item $maps = cf::map::tmp_maps
		2004
		2005	Returns an arrayref with all map paths of currently instantiated and saved
		2006	maps. May block.
		2007
		2008	=cut
		2009
		2010	sub tmp_maps() {
		2011	[
		2012	map {
		2013	utf8::decode $_;
		2014	/\.map$/
		2015	? normalise $_
		2016	: ()
		2017	} @{ aio_readdir $TMPDIR or [] }
		2018	]
		2019	}
		2020
		2021	=item $maps = cf::map::random_maps
		2022
		2023	Returns an arrayref with all map paths of currently instantiated and saved
		2024	random maps. May block.
		2025
		2026	=cut
		2027
		2028	sub random_maps() {
		2029	[
		2030	map {
		2031	utf8::decode $_;
		2032	/\.map$/
		2033	? normalise "?random/$_"
		2034	: ()
		2035	} @{ aio_readdir $RANDOMDIR or [] }
		2036	]
		2037	}
		2038
1714	=item cf::map::unique_maps	2039	=item cf::map::unique_maps
1715		2040
1716	Returns an arrayref of paths of all shared maps that have	2041	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2042	instantiated unique items. May block.
1718		2043
1719	=cut	2044	=cut
1720		2045
1721	sub unique_maps() {	2046	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2047	[
1723	or return;	2048	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2049	utf8::decode $_;
1729	next if /\.pst$/;	2050	/\.map$/
1730	next unless /^$PATH_SEP/o;	2051	? normalise $_
1731		2052	: ()
1732	push @paths, cf::map::normalise $_;	2053	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2054	]
1734
1735	\@paths
1736	}	2055	}
1737		2056
1738	package cf;	2057	package cf;
1739		2058
1740	=back	2059	=back
…		…
1786		2105
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2106	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2107
1789	if ($self->{record_replies}) {	2108	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2109	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2110
1791	} else {	2111	} else {
		2112	my $pl = $self->contr;
		2113
		2114	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2115	my $diag = $pl->{npc_dialog};
		2116	$diag->{pl}->ext_reply (
		2117	$diag->{id},
		2118	msgtype => "reply",
		2119	msg => $diag->{pl}->expand_cfpod ($msg),
		2120	add_topics => []
		2121	);
		2122
		2123	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2124	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2125	$self->message ($msg, $flags);
		2126	}
1794	}	2127	}
1795	}	2128	}
1796		2129
1797	=item $player_object->may ("access")	2130	=item $player_object->may ("access")
1798		2131
…		…
1846	$self->deactivate_recursive;	2179	$self->deactivate_recursive;
1847		2180
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2181	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2182
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2183	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2184	if $self->map && $self->map->{path} ne "{link}";
1852		2185
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2186	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2187	}
1855		2188
1856	sub cf::object::player::leave_link {	2189	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2190	my ($self, $map, $x, $y) = @_;
		2191
		2192	return unless $self->contr->active;
1858		2193
1859	my $link_pos = delete $self->{_link_pos};	2194	my $link_pos = delete $self->{_link_pos};
1860		2195
1861	unless ($map) {	2196	unless ($map) {
1862	# restore original map position	2197	# restore original map position
…		…
1885		2220
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2221	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2222	$self->enter_map ($map, $x, $y);
1888	}	2223	}
1889		2224
1890	cf::player->attach (
1891	on_logout => sub {
1892	my ($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)	2225	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1923		2226
		2227	Moves the player to the given map-path and coordinates by first freezing
		2228	her, loading and preparing them map, calling the provided $check callback
		2229	that has to return the map if sucecssful, and then unfreezes the player on
		2230	the new (success) or old (failed) map position.
		2231
1924	=cut	2232	=cut
		2233
		2234	our $GOTOGEN;
1925		2235
1926	sub cf::object::player::goto {	2236	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2237	my ($self, $path, $x, $y, $check) = @_;
		2238
		2239	# do generation counting so two concurrent goto's will be executed in-order
		2240	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2241
1929	$self->enter_link;	2242	$self->enter_link;
1930		2243
1931	(async {	2244	(async {
1932	my $map = eval {	2245	my $map = eval {
1933	my $map = cf::map::find $path;	2246	my $map = cf::map::find $path;
		2247
		2248	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2249	$map = $map->customise_for ($self);
		2250	$map = $check->($map) if $check && $map;
		2251	} else {
		2252	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2253	}
		2254
1935	$map	2255	$map
		2256	};
		2257
		2258	if ($@) {
		2259	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2260	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2261	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2262
		2263	if ($gen == $self->{_goto_generation}) {
		2264	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2265	$self->leave_link ($map, $x, $y);
		2266	}
1940	})->prio (1);	2267	})->prio (1);
1941	}	2268	}
1942		2269
1943	=item $player_object->enter_exit ($exit_object)	2270	=item $player_object->enter_exit ($exit_object)
1944		2271
…		…
1983		2310
1984	$rmp->{random_seed} ||= $exit->random_seed;	2311	$rmp->{random_seed} ||= $exit->random_seed;
1985		2312
1986	my $data = cf::to_json $rmp;	2313	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2314	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2315	my $meta = "$RANDOMDIR/$md5.meta";
1989		2316
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2317	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2318	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2319	undef $fh;
1993	aio_rename "$meta~", $meta;	2320	aio_rename "$meta~", $meta;
…		…
2049		2376
2050	utf8::encode $text;	2377	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2378	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2379	}
2053		2380
		2381	=item $client->send_msg ($color, $type, $msg, [extra...])
		2382
		2383	Send a drawinfo or msg packet to the client, formatting the msg for the
		2384	client if neccessary. C<$type> should be a string identifying the type of
		2385	the message, with C<log> being the default. If C<$color> is negative, suppress
		2386	the message unless the client supports the msg packet.
		2387
		2388	=cut
		2389
		2390	sub cf::client::send_msg {
		2391	my ($self, $color, $type, $msg, @extra) = @_;
		2392
		2393	$msg = $self->pl->expand_cfpod ($msg);
		2394
		2395	if ($self->can_msg) {
		2396	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2397	} else {
		2398	# replace some tags by gcfclient-compatible ones
		2399	for ($msg) {
		2400	1 while
		2401	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2402	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2403	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2404	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2405	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2406	}
		2407
		2408	if ($color >= 0) {
		2409	if (0 && $msg =~ /\[/) {
		2410	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2411	} else {
		2412	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2413	$self->send_packet ("drawinfo $color $msg")
		2414	}
		2415	}
		2416	}
		2417	}
		2418
2054	=item $client->ext_event ($type, %msg)	2419	=item $client->ext_event ($type, %msg)
2055		2420
2056	Sends an exti event to the client.	2421	Sends an ext event to the client.
2057		2422
2058	=cut	2423	=cut
2059		2424
2060	sub cf::client::ext_event($$%) {	2425	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2426	my ($self, $type, %msg) = @_;
…		…
2068		2433
2069	Queues a query to the client, calling the given callback with	2434	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2435	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2436	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2437
2073	Queries can fail, so check the return code. Or don't, as queries will become	2438	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2439	become reliable at some point in the future.
2075		2440
2076	=cut	2441	=cut
2077		2442
2078	sub cf::client::query {	2443	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2444	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2452	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2453	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2454
2090	$self->send_packet ($self->{query_queue}[0][0])	2455	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2456	if @{ $self->{query_queue} } == 1;
		2457
		2458	1
2092	}	2459	}
2093		2460
2094	cf::client->attach (	2461	cf::client->attach (
2095	on_reply => sub {	2462	on_reply => sub {
2096	my ($ns, $msg) = @_;	2463	my ($ns, $msg) = @_;
…		…
2110	$ns->send_packet ($ns->{query_queue}[0][0]);	2477	$ns->send_packet ($ns->{query_queue}[0][0]);
2111	} else {	2478	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2479	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2480	}
2114	}	2481	}
		2482	},
		2483	on_exticmd => sub {
		2484	my ($ns, $buf) = @_;
		2485
		2486	my $msg = eval { from_json $buf };
		2487
		2488	if (ref $msg) {
		2489	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2490	if (my %reply = $cb->($ns, $msg)) {
		2491	$reply{msgid} = $msg->{msgid};
		2492	$ns->send ("ext " . cf::to_json \%reply);
		2493	}
		2494	}
		2495	} else {
		2496	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2497	}
		2498
		2499	cf::override;
2115	},	2500	},
2116	);	2501	);
2117		2502
2118	=item $client->async (\&cb)	2503	=item $client->async (\&cb)
2119		2504
…		…
2258	=back	2643	=back
2259		2644
2260	=cut	2645	=cut
2261		2646
2262	#############################################################################	2647	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$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 $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	2648	# the server's init and main functions
2336		2649
2337	sub load_facedata {	2650	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	2651	my ($path) = @_;
2339		2652
2340	warn "loading facedata from $path\n";	2653	warn "loading facedata from $path\n";
2341		2654
2342	my $facedata;	2655	my $facedata;
2343	0 < aio_load $path, $facedata	2656	0 < aio_load $path, $facedata
…		…
2384	}	2697	}
2385		2698
2386	1	2699	1
2387	}	2700	}
2388		2701
		2702	sub reload_regions {
		2703	load_resource_file "$MAPDIR/regions"
		2704	or die "unable to load regions file\n";
		2705	}
		2706
		2707	sub reload_facedata {
		2708	load_facedata "$DATADIR/facedata"
		2709	or die "unable to load facedata\n";
		2710	}
		2711
		2712	sub reload_archetypes {
		2713	load_resource_file "$DATADIR/archetypes"
		2714	or die "unable to load archetypes\n";
		2715	#d# NEED to laod twice to resolve forward references
		2716	# this really needs to be done in an extra post-pass
		2717	# (which needs to be synchronous, so solve it differently)
		2718	load_resource_file "$DATADIR/archetypes"
		2719	or die "unable to load archetypes\n";
		2720	}
		2721
		2722	sub reload_treasures {
		2723	load_resource_file "$DATADIR/treasures"
		2724	or die "unable to load treasurelists\n";
		2725	}
		2726
2389	sub reload_resources {	2727	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2728	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	2729
		2730	reload_regions;
2392	load_facedata	2731	reload_facedata;
2393	or die "unable to load facedata\n";#d#	2732	#reload_archetypes;#d#
		2733	reload_archetypes;
		2734	reload_treasures;
		2735
		2736	warn "finished reloading resource files\n";
2394	}	2737	}
2395		2738
2396	sub init {	2739	sub init {
2397	reload_resources;	2740	reload_resources;
2398	}	2741	}
2399		2742
2400	sub cfg_load {	2743	sub cfg_load {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	2744	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	2745	or return;
2403		2746
2404	local $/;	2747	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	2748	*CFG = YAML::Syck::Load <$fh>;
2406		2749
…		…
2451	},	2794	},
2452	);	2795	);
2453	}	2796	}
2454	}	2797	}
2455		2798
		2799	sub write_runtime {
		2800	my $runtime = "$LOCALDIR/runtime";
		2801
		2802	# first touch the runtime file to show we are still running:
		2803	# the fsync below can take a very very long time.
		2804
		2805	IO::AIO::aio_utime $runtime, undef, undef;
		2806
		2807	my $guard = cf::lock_acquire "write_runtime";
		2808
		2809	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2810	or return;
		2811
		2812	my $value = $cf::RUNTIME + 90 + 10;
		2813	# 10 is the runtime save interval, for a monotonic clock
		2814	# 60 allows for the watchdog to kill the server.
		2815
		2816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2817	and return;
		2818
		2819	# always fsync - this file is important
		2820	aio_fsync $fh
		2821	and return;
		2822
		2823	# touch it again to show we are up-to-date
		2824	aio_utime $fh, undef, undef;
		2825
		2826	close $fh
		2827	or return;
		2828
		2829	aio_rename "$runtime~", $runtime
		2830	and return;
		2831
		2832	warn "runtime file written.\n";
		2833
		2834	1
		2835	}
		2836
2456	sub emergency_save() {	2837	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	2838	my $freeze_guard = cf::freeze_mainloop;
2458		2839
2459	warn "enter emergency perl save\n";	2840	warn "enter emergency perl save\n";
2460		2841
…		…
2491		2872
2492	warn Carp::longmess "post_cleanup backtrace"	2873	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	2874	if $make_core;
2494	}	2875	}
2495		2876
2496	sub reload() {	2877	sub do_reload_perl() {
2497	# can/must only be called in main	2878	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	2879	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	2880	warn "can only reload from main coroutine";
2500	return;	2881	return;
2501	}	2882	}
…		…
2535	%EXT_CORO = ();	2916	%EXT_CORO = ();
2536		2917
2537	warn "removing commands";	2918	warn "removing commands";
2538	%COMMAND = ();	2919	%COMMAND = ();
2539		2920
2540	warn "removing ext commands";	2921	warn "removing ext/exti commands";
2541	%EXTCMD = ();	2922	%EXTCMD = ();
		2923	%EXTICMD = ();
2542		2924
2543	warn "unloading/nuking all extensions";	2925	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	2926	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	2927	warn "... unloading $pkg";
2546		2928
…		…
2576	Symbol::delete_package "safe::$_"	2958	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		2960
2579	warn "unloading cf.pm \"a bit\"";	2961	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	2962	delete $INC{"cf.pm"};
		2963	delete $INC{"cf/pod.pm"};
2581		2964
2582	# don't, removes xs symbols, too,	2965	# don't, removes xs symbols, too,
2583	# and global variables created in xs	2966	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	2967	#Symbol::delete_package __PACKAGE__;
2585		2968
…		…
2600	warn "reattaching attachments to maps";	2983	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	2984	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	2985	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	2986	reattach $_ for values %PLAYER;
2604		2987
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	2988	warn "leaving sync_job";
2609		2989
2610	1	2990	1
2611	} or do {	2991	} or do {
2612	warn $@;	2992	warn $@;
…		…
2617	warn "reloaded";	2997	warn "reloaded";
2618	};	2998	};
2619		2999
2620	our $RELOAD_WATCHER; # used only during reload	3000	our $RELOAD_WATCHER; # used only during reload
2621		3001
		3002	sub reload_perl() {
		3003	# doing reload synchronously and two reloads happen back-to-back,
		3004	# coro crashes during coro_state_free->destroy here.
		3005
		3006	$RELOAD_WATCHER ||= Event->timer (
		3007	reentrant => 0,
		3008	after => 0,
		3009	data => WF_AUTOCANCEL,
		3010	cb => sub {
		3011	do_reload_perl;
		3012	undef $RELOAD_WATCHER;
		3013	},
		3014	);
		3015	}
		3016
2622	register_command "reload" => sub {	3017	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3018	my ($who, $arg) = @_;
2624		3019
2625	if ($who->flag (FLAG_WIZ)) {	3020	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3021	$who->message ("reloading server.");
2627		3022	async { reload_perl };
2628	# doing reload synchronously and two reloads happen back-to-back,
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);
2640	}	3023	}
2641	};	3024	};
2642		3025
2643	unshift @INC, $LIBDIR;	3026	unshift @INC, $LIBDIR;
2644		3027
…		…
2646		3029
2647	our @WAIT_FOR_TICK;	3030	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3031	our @WAIT_FOR_TICK_BEGIN;
2649		3032
2650	sub wait_for_tick {	3033	sub wait_for_tick {
		3034	return unless $TICK_WATCHER->is_active;
		3035	return if $Coro::current == $Coro::main;
		3036
2651	my $signal = new Coro::Signal;	3037	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3038	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3039	$signal->wait;
2654	}	3040	}
2655		3041
2656	sub wait_for_tick_begin {	3042	sub wait_for_tick_begin {
		3043	return unless $TICK_WATCHER->is_active;
		3044	return if $Coro::current == $Coro::main;
		3045
2657	my $signal = new Coro::Signal;	3046	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3047	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3048	$signal->wait;
2660	}	3049	}
2661		3050
		3051	my $min = 1e6;#d#
		3052	my $avg = 10;
2662	$TICK_WATCHER = Event->timer (	3053	$TICK_WATCHER = Event->timer (
2663	reentrant => 0,	3054	reentrant => 0,
2664	parked => 1,	3055	parked => 1,
2665	prio => 0,	3056	prio => 0,
2666	at => $NEXT_TICK || $TICK,	3057	at => $NEXT_TICK || $TICK,
…		…
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3061	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	3062	unless ++$bug_warning > 10;
2672	return;	3063	return;
2673	}	3064	}
2674		3065
2675	$NOW = Event::time;	3066	$NOW = $tick_start = Event::time;
2676		3067
2677	cf::server_tick; # one server iteration	3068	cf::server_tick; # one server iteration
		3069
		3070	0 && sync_job {#d#
		3071	for(1..10) {
		3072	my $t = Event::time;
		3073	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3074	or die;
		3075
		3076	$map->width (50);
		3077	$map->height (50);
		3078	$map->alloc;
		3079	$map->_load_objects ("/tmp/x.map", 1);
		3080	my $t = Event::time - $t;
		3081
		3082	#next unless $t < 0.0013;#d#
		3083	if ($t < $min) {
		3084	$min = $t;
		3085	}
		3086	$avg = $avg * 0.99 + $t * 0.01;
		3087	}
		3088	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3089	exit 0;
		3090	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3091	};
		3092
2678	$RUNTIME += $TICK;	3093	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;	3094	$NEXT_TICK += $TICK;
2680		3095
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3096	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3097	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2684	write_runtime	3099	write_runtime
2685	or warn "ERROR: unable to write runtime file: $!";	3100	or warn "ERROR: unable to write runtime file: $!";
2686	};	3101	};
2687	}	3102	}
2688		3103
		3104	# my $AFTER = Event::time;
		3105	# warn $AFTER - $NOW;#d#
		3106
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3107	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	3108	$sig->send;
2691	}	3109	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3110	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3111	$sig->send;
2694	}	3112	}
2695		3113
2696	# my $AFTER = Event::time;	3114	$NOW = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698		3115
2699	# if we are delayed by four ticks or more, skip them all	3116	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3117	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2701		3118
2702	$TICK_WATCHER->at ($NEXT_TICK);	3119	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;	3120	$TICK_WATCHER->start;
		3121
		3122	$LOAD = ($NOW - $tick_start) / $TICK;
		3123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3124
		3125	_post_tick;
		3126
		3127
2704	},	3128	},
2705	);	3129	);
2706		3130
2707	{	3131	{
2708	BDB::max_poll_time $TICK * 0.1;	3132	BDB::max_poll_time $TICK * 0.1;
…		…
2736		3160
2737	cf::sync_job {	3161	cf::sync_job {
2738	eval {	3162	eval {
2739	BDB::db_env_open	3163	BDB::db_env_open
2740	$DB_ENV,	3164	$DB_ENV,
2741	$BDB_ENV_DIR,	3165	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3166	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3167	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3168	0666;
2745		3169
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3170	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747		3171
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3172	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;	3173	$DB_ENV->set_lk_detect;
2750	};	3174	};
2751		3175
…		…
2767	prio => 6,	3191	prio => 6,
2768	cb => \&IO::AIO::poll_cb,	3192	cb => \&IO::AIO::poll_cb,
2769	);	3193	);
2770	}	3194	}
2771		3195
		3196	my $_log_backtrace;
		3197
		3198	sub _log_backtrace {
		3199	my ($msg, @addr) = @_;
		3200
		3201	$msg =~ s/\n//;
		3202
		3203	# limit the # of concurrent backtraces
		3204	if ($_log_backtrace < 2) {
		3205	++$_log_backtrace;
		3206	async {
		3207	my @bt = fork_call {
		3208	@addr = map { sprintf "%x", $_ } @addr;
		3209	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3210	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3211	or die "addr2line: $!";
		3212
		3213	my @funcs;
		3214	my @res = <$fh>;
		3215	chomp for @res;
		3216	while (@res) {
		3217	my ($func, $line) = splice @res, 0, 2, ();
		3218	push @funcs, "[$func] $line";
		3219	}
		3220
		3221	@funcs
		3222	};
		3223
		3224	LOG llevInfo, "[ABT] $msg\n";
		3225	LOG llevInfo, "[ABT] $_\n" for @bt;
		3226	--$_log_backtrace;
		3227	};
		3228	} else {
		3229	LOG llevInfo, "[ABT] $msg\n";
		3230	LOG llevInfo, "[ABT] [suppressed]\n";
		3231	}
		3232	}
		3233
		3234	# load additional modules
		3235	use cf::pod;
		3236
2772	END { cf::emergency_save }	3237	END { cf::emergency_save }
2773		3238
2774	1	3239	1
2775		3240

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