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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 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 $fh1)->readline (undef);
371	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
372		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
373	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
374	}	576	}
375		577
376	=item cf::datalog type => key => value, ...	578	=item cf::datalog type => key => value, ...
377		579
378	Log a datalog packet of the given type with the given key-value pairs.	580	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")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
398		600
399	In the following description, CLASS can be any of C<global>, C<object>	601	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	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	603	Crossfire TRT).
402		604
403	=over 4	605	=over 4
404		606
405	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
406		608
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
570		772
571	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		777
576	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	779	my $pkg = shift @arg;
578		780
579	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
609	}	811	}
610		812
611	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
612	} else {	814	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	816	}
615		817
616	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
617	}	819	}
618		820
…		…
620	if (ref $_[0]) {	822	if (ref $_[0]) {
621	_object_attach @_;	823	_object_attach @_;
622	} else {	824	} else {
623	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
624	}	826	}
		827	_recalc_want;
625	};	828	};
626		829
627	# all those should be optimised	830	# all those should be optimised
628	sub cf::attachable::detach {	831	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
633	reattach ($obj);	836	reattach ($obj);
634	} else {	837	} else {
635	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
636	}	839	}
		840	_recalc_want;
637	};	841	};
638		842
639	sub cf::attachable::attached {	843	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
641		845
…		…
814	or return;	1018	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1020	}
817		1021
818	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1024	return ($data, $av);
821	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
822		1032
823	#############################################################################	1033	#############################################################################
824	# command handling &c	1034	# command handling &c
825		1035
826	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1050	}
841		1051
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1053
844	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
845		1059
846	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
847	called.	1061	called.
848		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
849	=cut	1074	=cut
850		1075
851	sub register_extcmd {	1076	sub register_extcmd {
852	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
853		1078
854	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
855	}	1086	}
856		1087
857	cf::player->attach (	1088	cf::player->attach (
858	on_command => sub {	1089	on_command => sub {
859	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1099	cf::override;
869	},	1100	},
870	on_extcmd => sub {	1101	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
872		1103
873	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1105
875	if (ref $msg) {	1106	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1115
885	cf::override;	1116	cf::override;
886	},	1117	},
887	);	1118	);
888		1119
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 {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
924	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1125	next unless -r $path;
926	eval {	1126
927	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
928	1	1184	}
929	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
930	}	1190	};
931	}	1191	}
932		1192
933	#############################################################################	1193	#############################################################################
934		1194
		1195	=back
		1196
935	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
936		1198
937	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
938		1200
939	=cut	1201	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
952		1214
953	=cut	1215	=cut
954		1216
955	sub playerdir($) {	1217	sub playerdir($) {
956	cf::localdir	1218	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1220	}
962		1221
963	sub path($) {	1222	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
1084	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1085		1344
1086	=cut	1345	=cut
1087		1346
1088	sub list_logins {	1347	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1349	or return [];
1091		1350
1092	my @logins;	1351	my @logins;
1093		1352
1094	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1129	}	1388	}
1130		1389
1131	\@paths	1390	\@paths
1132	}	1391	}
1133		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1134	=item $player->ext_reply ($msgid, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1135		1444
1136	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1137		1446
1138	=cut	1447	=cut
1139		1448
1140	sub ext_reply($$%) {	1449	sub ext_reply($$%) {
1141	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1142		1451
1143	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1144		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1454	}
1147		1455
1148	=item $player->ext_event ($type, %msg)	1456	=item $player->ext_event ($type, %msg)
1149		1457
1150	Sends an ext event to the client.	1458	Sends an ext event to the client.
…		…
1165		1473
1166	package cf::region;	1474	package cf::region;
1167		1475
1168	=item cf::region::find_by_path $path	1476	=item cf::region::find_by_path $path
1169		1477
1170	Tries to decuce the probable region for a map knowing only its path.	1478	Tries to decuce the likely region for a map knowing only its path.
1171		1479
1172	=cut	1480	=cut
1173		1481
1174	sub find_by_path($) {	1482	sub find_by_path($) {
1175	my ($path) = @_;	1483	my ($path) = @_;
…		…
1249	my ($self, $merge) = @_;	1557	my ($self, $merge) = @_;
1250		1558
1251	# we have to keep some variables in memory intact	1559	# we have to keep some variables in memory intact
1252	local $self->{path};	1560	local $self->{path};
1253	local $self->{load_path};	1561	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1562
1257	$self->SUPER::thawer_merge ($merge);	1563	$self->SUPER::thawer_merge ($merge);
1258	}	1564	}
1259		1565
1260	sub normalise {	1566	sub normalise {
…		…
1332		1638
1333	# the original (read-only) location	1639	# the original (read-only) location
1334	sub load_path {	1640	sub load_path {
1335	my ($self) = @_;	1641	my ($self) = @_;
1336		1642
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1643	"$MAPDIR/$self->{path}.map"
1338	}	1644	}
1339		1645
1340	# the temporary/swap location	1646	# the temporary/swap location
1341	sub save_path {	1647	sub save_path {
1342	my ($self) = @_;	1648	my ($self) = @_;
1343		1649
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1651	"$TMPDIR/$path.map"
1346	}	1652	}
1347		1653
1348	# the unique path, undef == no special unique path	1654	# the unique path, undef == no special unique path
1349	sub uniq_path {	1655	sub uniq_path {
1350	my ($self) = @_;	1656	my ($self) = @_;
1351		1657
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1659	"$UNIQUEDIR/$path"
1354	}	1660	}
1355		1661
1356	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1357	# all maps in C++...	1663	# all maps in C++...
1358	sub change_all_map_light {	1664	sub change_all_map_light {
1359	my ($change) = @_;	1665	my ($change) = @_;
1360		1666
1361	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
		1669	}
		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
1363	}	1677	}
1364		1678
1365	sub unlink_save {	1679	sub unlink_save {
1366	my ($self) = @_;	1680	my ($self) = @_;
1367		1681
…		…
1425	$self->load_header_orig	1739	$self->load_header_orig
1426	or return;	1740	or return;
1427	$self->prepare_orig;	1741	$self->prepare_orig;
1428	}	1742	}
1429		1743
		1744	$self->{deny_reset} = 1
		1745	if $self->no_reset;
		1746
1430	$self->default_region (cf::region::find_by_path $self->{path})	1747	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1748	unless $self->default_region;
1432		1749
1433	1	1750	1
1434	}	1751	}
…		…
1449	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1450		1767
1451	$map->load_header	1768	$map->load_header
1452	or return;	1769	or return;
1453		1770
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1772	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1773	#$cf::WAIT_FOR_TICK->wait;
1457	$map->reset;	1774	$map->reset;
1458	undef $guard;	1775	undef $guard;
1459	return find $path;	1776	return find $path;
…		…
1470	my ($self) = @_;	1787	my ($self) = @_;
1471		1788
1472	local $self->{deny_reset} = 1; # loading can take a long time	1789	local $self->{deny_reset} = 1; # loading can take a long time
1473		1790
1474	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1794	my $guard = cf::lock_acquire "map_load:$path";
1476		1795
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1478		1797
1479	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1480		1799
1481	$self->alloc;	1800	$self->alloc;
1482		1801
1483	$self->pre_load;	1802	$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;	1803	Coro::cede;
1510	$self->set_darkness_map;	1804
		1805	$self->_load_objects ($self->{load_path}, 1)
		1806	or return;
		1807
		1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1809	if delete $self->{load_original};
		1810
		1811	if (my $uniq = $self->uniq_path) {
		1812	utf8::encode $uniq;
		1813	if (aio_open $uniq, O_RDONLY, 0) {
		1814	$self->clear_unique_items;
		1815	$self->_load_objects ($uniq, 0);
		1816	}
		1817	}
		1818
		1819	Coro::cede;
		1820	# now do the right thing for maps
		1821	$self->link_multipart_objects;
1511	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1823	unless $self->difficulty;
1513	Coro::cede;	1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1514	$self->activate;	1833	$self->activate;
1515	Coro::cede;	1834	}
		1835
		1836	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	1837	}
1517		1838
1518	$self->post_load;	1839	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	1840	}
1523		1841
1524	sub customise_for {	1842	sub customise_for {
1525	my ($self, $ob) = @_;	1843	my ($self, $ob) = @_;
1526		1844
1527	return find "~" . $ob->name . "/" . $self->{path}	1845	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
1529		1850
1530	$self	1851	$self
1531	}	1852	}
1532		1853
1533	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
…		…
1644		1965
1645	sub reset_at {	1966	sub reset_at {
1646	my ($self) = @_;	1967	my ($self) = @_;
1647		1968
1648	# TODO: safety, remove and allow resettable per-player maps	1969	# 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};	1970	return 1e99 if $self->{deny_reset};
1651		1971
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		1974
…		…
1665	my ($self) = @_;	1985	my ($self) = @_;
1666		1986
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		1988
1669	return if $self->players;	1989	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		1990
1672	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
1673		1992
1674	$self->in_memory (cf::MAP_SWAPPED);	1993	$self->in_memory (cf::MAP_SWAPPED);
1675		1994
1676	# need to save uniques path	1995	# need to save uniques path
1677	unless ($self->{deny_save}) {	1996	unless ($self->{deny_save}) {
…		…
1709	$cf::MAP{$self->path} = $self;	2028	$cf::MAP{$self->path} = $self;
1710		2029
1711	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1712	}	2031	}
1713		2032
		2033	=item $maps = cf::map::tmp_maps
		2034
		2035	Returns an arrayref with all map paths of currently instantiated and saved
		2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
		2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
		2050
		2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
		2068
1714	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1715		2070
1716	Returns an arrayref of paths of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2072	instantiated unique items. May block.
1718		2073
1719	=cut	2074	=cut
1720		2075
1721	sub unique_maps() {	2076	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1723	or return;	2078	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2079	utf8::decode $_;
1729	next if /\.pst$/;	2080	/\.map$/
1730	next unless /^$PATH_SEP/o;	2081	? normalise $_
1731		2082	: ()
1732	push @paths, cf::map::normalise $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2084	]
1734
1735	\@paths
1736	}	2085	}
1737		2086
1738	package cf;	2087	package cf;
1739		2088
1740	=back	2089	=back
…		…
1786		2135
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2137
1789	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1791	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1794	}	2157	}
1795	}	2158	}
1796		2159
1797	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1798		2161
…		…
1846	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1847		2210
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2212
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1852		2215
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2217	}
1855		2218
1856	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1858		2223
1859	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1860		2225
1861	unless ($map) {	2226	unless ($map) {
1862	# restore original map position	2227	# restore original map position
…		…
1885		2250
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1888	}	2253	}
1889		2254
1890	cf::player->attach (
1891	on_logout => sub {
1892	my ($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)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1923		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1924	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1925		2265
1926	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2271
1929	$self->enter_link;	2272	$self->enter_link;
1930		2273
1931	(async {	2274	(async {
1932	my $map = eval {	2275	my $map = eval {
1933	my $map = cf::map::find $path;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
		2280	$map = $check->($map) if $check && $map;
		2281	} else {
		2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
		2284
1935	$map	2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2291	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1940	})->prio (1);	2297	})->prio (1);
1941	}	2298	}
1942		2299
1943	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1944		2301
…		…
1983		2340
1984	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1985		2342
1986	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2345	my $meta = "$RANDOMDIR/$md5.meta";
1989		2346
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2349	undef $fh;
1993	aio_rename "$meta~", $meta;	2350	aio_rename "$meta~", $meta;
…		…
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;	2370	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2371	my $sp = $exit->stats->sp;
2015		2372
2016	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
2017		2378
2018	(async {	2379	(async {
2019	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2381	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2382	$self->goto ($slaying, $hp, $sp);
…		…
2049		2410
2050	utf8::encode $text;	2411	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2413	}
2053		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
2054	=item $client->ext_event ($type, %msg)	2455	=item $client->ext_event ($type, %msg)
2055		2456
2056	Sends an exti event to the client.	2457	Sends an ext event to the client.
2057		2458
2058	=cut	2459	=cut
2059		2460
2060	sub cf::client::ext_event($$%) {	2461	sub cf::client::ext_event($$%) {
2061	my ($self, $type, %msg) = @_;	2462	my ($self, $type, %msg) = @_;
2062		2463
2063	$msg{msgtype} = "event_$type";	2464	$msg{msgtype} = "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2065	}	2466	}
2066		2467
2067	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
2068		2469
2069	Queues a query to the client, calling the given callback with	2470	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>,	2471	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>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2473
2073	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2475	become reliable at some point in the future.
2075		2476
2076	=cut	2477	=cut
2077		2478
2078	sub cf::client::query {	2479	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2488	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2490
2090	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
2092	}	2495	}
2093		2496
2094	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
2095	on_reply => sub {	2503	on_reply => sub {
2096	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
2097		2505
2098	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
2099	# get handled first	2507	# get handled first
…		…
2111	} else {	2519	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2521	}
2114	}	2522	}
2115	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
2116	);	2542	);
2117		2543
2118	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
2119		2545
2120	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2169		2595
2170	=pod	2596	=pod
2171		2597
2172	The following functions and methods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2173		2599
2174	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2175	cf::object::player player	2604	cf::object::player
2176	cf::player peaceful	2605	player
2177	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2178		2612
2179	=cut	2613	=cut
2180		2614
2181	for (	2615	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2183	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2186	) {	2621	) {
2187	no strict 'refs';	2622	no strict 'refs';
…		…
2256	}	2691	}
2257		2692
2258	=back	2693	=back
2259		2694
2260	=cut	2695	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$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 $_[2], 0, sub { };
2332	}
2333		2696
2334	#############################################################################	2697	#############################################################################
2335	# the server's init and main functions	2698	# the server's init and main functions
2336		2699
2337	sub load_facedata($) {	2700	sub load_facedata($) {
…		…
2384	}	2747	}
2385		2748
2386	1	2749	1
2387	}	2750	}
2388		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
		2754	or die "unable to load regions file\n";
		2755	}
		2756
2389	sub reload_facedata {	2757	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	2758	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	2759	or die "unable to load facedata\n";
2392	}	2760	}
2393		2761
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	2762	sub reload_archetypes {
2400	load_resource_file sprintf "%s/archetypes", cf::datadir	2763	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
2402	}	2770	}
2403		2771
2404	sub reload_treasures {	2772	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	2773	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	2774	or die "unable to load treasurelists\n";
2407	}	2775	}
2408		2776
2409	sub reload_resources {	2777	sub reload_resources {
2410	warn "reloading resource files...\n";	2778	warn "reloading resource files...\n";
2411		2779
2412	reload_regions;	2780	reload_regions;
2413	reload_facedata;	2781	reload_facedata;
		2782	#reload_archetypes;#d#
2414	reload_archetypes;	2783	reload_archetypes;
2415	reload_treasures;	2784	reload_treasures;
2416		2785
2417	warn "finished reloading resource files\n";	2786	warn "finished reloading resource files\n";
2418	}	2787	}
…		…
2420	sub init {	2789	sub init {
2421	reload_resources;	2790	reload_resources;
2422	}	2791	}
2423		2792
2424	sub cfg_load {	2793	sub cfg_load {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	2795	or return;
2427		2796
2428	local $/;	2797	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2430		2799
…		…
2475	},	2844	},
2476	);	2845	);
2477	}	2846	}
2478	}	2847	}
2479		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2480	sub emergency_save() {	2887	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2482		2889
2483	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2484		2891
…		…
2559	%EXT_CORO = ();	2966	%EXT_CORO = ();
2560		2967
2561	warn "removing commands";	2968	warn "removing commands";
2562	%COMMAND = ();	2969	%COMMAND = ();
2563		2970
2564	warn "removing ext commands";	2971	warn "removing ext/exti commands";
2565	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2566		2974
2567	warn "unloading/nuking all extensions";	2975	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2570		2978
…		…
2600	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3010
2603	warn "unloading cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2605		3014
2606	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3016	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2609		3018
…		…
2687	my $signal = new Coro::Signal;	3096	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3097	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3098	$signal->wait;
2690	}	3099	}
2691		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2692	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2693	reentrant => 0,	3104	reentrant => 0,
2694	parked => 1,	3105	parked => 1,
2695	prio => 0,	3106	prio => 0,
2696	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
…		…
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3112	unless ++$bug_warning > 10;
2702	return;	3113	return;
2703	}	3114	}
2704		3115
2705	$NOW = Event::time;	3116	$NOW = $tick_start = Event::time;
2706		3117
2707	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
2708		3142
2709	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2711		3145
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
…		…
2718	}	3152	}
2719		3153
2720	# my $AFTER = Event::time;	3154	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#	3155	# warn $AFTER - $NOW;#d#
2722		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
		3165
2723	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2725		3168
2726	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
2728		3171
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3172	$LOAD = ($NOW - $tick_start) / $TICK;
2730	$sig->send;	3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735		3174
2736	_post_tick;	3175	_post_tick;
		3176
		3177
2737	},	3178	},
2738	);	3179	);
2739		3180
2740	{	3181	{
2741	BDB::max_poll_time $TICK * 0.1;	3182	BDB::max_poll_time $TICK * 0.1;
…		…
2769		3210
2770	cf::sync_job {	3211	cf::sync_job {
2771	eval {	3212	eval {
2772	BDB::db_env_open	3213	BDB::db_env_open
2773	$DB_ENV,	3214	$DB_ENV,
2774	$BDB_ENV_DIR,	3215	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3218	0666;
2778		3219
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780		3221
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;	3223	$DB_ENV->set_lk_detect;
2783	};	3224	};
2784		3225
…		…
2800	prio => 6,	3241	prio => 6,
2801	cb => \&IO::AIO::poll_cb,	3242	cb => \&IO::AIO::poll_cb,
2802	);	3243	);
2803	}	3244	}
2804		3245
		3246	my $_log_backtrace;
		3247
		3248	sub _log_backtrace {
		3249	my ($msg, @addr) = @_;
		3250
		3251	$msg =~ s/\n//;
		3252
		3253	# limit the # of concurrent backtraces
		3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
		3281	}
		3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
		3286
2805	END { cf::emergency_save }	3287	END { cf::emergency_save }
2806		3288
2807	1	3289	1
2808		3290

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