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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.287 by root, Mon Jun 25 05:43:45 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	55	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	56	our %EXT_MAP = (); # pluggable maps
43		57
		58	our $RELOAD; # number of reloads so far
44	our @EVENT;	59	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		60
47	our $TICK = MAX_TIME * 1e-6;	61	our $CONFDIR = confdir;
		62	our $DATADIR = datadir;
		63	our $LIBDIR = "$DATADIR/ext";
		64	our $PODDIR = "$DATADIR/pod";
		65	our $MAPDIR = "$DATADIR/" . mapdir;
		66	our $LOCALDIR = localdir;
		67	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		68	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		69	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		70	our $RANDOMDIR = "$LOCALDIR/random";
		71	our $BDBDIR = "$LOCALDIR/db";
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	74	our $TICK_WATCHER;
		75	our $AIO_POLL_WATCHER;
		76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	77	our $NEXT_TICK;
50	our $NOW;	78	our $NOW;
		79	our $USE_FSYNC = 1; # use fsync to write maps - default off
		80
		81	our $BDB_POLL_WATCHER;
		82	our $DB_ENV;
51		83
52	our %CFG;	84	our %CFG;
53		85
54	our $UPTIME; $UPTIME ||= time;	86	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	87	our $RUNTIME;
56		88
57	our %PLAYER; # all users	89	our %PLAYER; # all users
58	our %MAP; # all maps	90	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	91	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		92
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	93	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	94	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		95
		96	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		97	our $LOADAVG; # same thing, but with alpha-smoothing
		98	our $tick_start; # for load detecting purposes
64		99
65	binmode STDOUT;	100	binmode STDOUT;
66	binmode STDERR;	101	binmode STDERR;
67		102
68	# read virtual server time, if available	103	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	104	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	105	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	106	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	107	$RUNTIME = <$fh> + 0.;
73	}	108	}
74		109
75	mkdir cf::localdir;	110	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	111	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		112
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	113	our $EMERGENCY_POSITION;
		114
		115	sub cf::map::normalise;
84		116
85	#############################################################################	117	#############################################################################
86		118
87	=head2 GLOBAL VARIABLES	119	=head2 GLOBAL VARIABLES
88		120
…		…
95	=item $cf::RUNTIME	127	=item $cf::RUNTIME
96		128
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	129	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	130	every server tick.
99		131
100	=item $cf::LIBDIR	132	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		133	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		134	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		135
102	The perl library directory, where extensions and cf-specific modules can	136	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	137	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		138	unique-items directory, player file directory, random maps directory and
		139	database environment.
104		140
105	=item $cf::NOW	141	=item $cf::NOW
106		142
107	The time of the last (current) server tick.	143	The time of the last (current) server tick.
108		144
109	=item $cf::TICK	145	=item $cf::TICK
110		146
111	The interval between server ticks, in seconds.	147	The interval between server ticks, in seconds.
		148
		149	=item $cf::LOADAVG
		150
		151	The current CPU load on the server (alpha-smoothed), as a value between 0
		152	(none) and 1 (overloaded), indicating how much time is spent on processing
		153	objects per tick. Healthy values are < 0.5.
		154
		155	=item $cf::LOAD
		156
		157	The raw value load value from the last tick.
112		158
113	=item %cf::CFG	159	=item %cf::CFG
114		160
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	161	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	162	from wherever your confdir points to.
117		163
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	164	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		165
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	166	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	167	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	168	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		169
125	=back	170	=back
126		171
127	=cut	172	=cut
128		173
129	BEGIN {	174	BEGIN {
130	*CORE::GLOBAL::warn = sub {	175	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	176	my $msg = join "", @_;
132	utf8::encode $msg;
133		177
134	$msg .= "\n"	178	$msg .= "\n"
135	unless $msg =~ /\n$/;	179	unless $msg =~ /\n$/;
136		180
		181	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		182
		183	utf8::encode $msg;
137	LOG llevError, $msg;	184	LOG llevError, $msg;
138	};	185	};
139	}	186	}
140		187
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	188	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	189	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	190	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	191	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	192	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		193	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	194	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		195
148	# we bless all objects into (empty) derived classes to force a method lookup	196	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	197	# within the Safe compartment.
150	for my $pkg (qw(	198	for my $pkg (qw(
151	cf::global cf::attachable	199	cf::global cf::attachable
…		…
159	}	207	}
160		208
161	$Event::DIED = sub {	209	$Event::DIED = sub {
162	warn "error in event callback: @_";	210	warn "error in event callback: @_";
163	};	211	};
		212
		213	#############################################################################
164		214
165	=head2 UTILITY FUNCTIONS	215	=head2 UTILITY FUNCTIONS
166		216
167	=over 4	217	=over 4
168		218
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	237	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	238	$d
189	} || "[unable to dump $_[0]: '$@']";	239	} || "[unable to dump $_[0]: '$@']";
190	}	240	}
191		241
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	242	use JSON::XS ();
193		243
194	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
195		245
196	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
197		247
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
206		249
207	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
208		251
209	=cut	252	=cut
210		253
211	sub to_json($) {	254	our $json_coder = JSON::XS->new->convert_blessed->utf8;
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
213	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
215		258
216	=item cf::lock_wait $string	259	=item cf::lock_wait $string
217		260
218	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
219		262
…		…
225	returned.	268	returned.
226		269
227	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
229		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
230	=cut	277	=cut
231		278
232	our %LOCK;	279	our %LOCK;
233		280
234	sub lock_wait($) {	281	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
255	}	302	}
256	}	303	}
257		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
258	sub freeze_mainloop {	311	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
260		313
261	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
262	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
263	$guard	318	$guard
264	}	319	}
265		320
266	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
273		328
274	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
275		330
276	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
277		332
278	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
281		337
282	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
285	fast or be very important.	341	fast or be very important.
…		…
288		344
289	sub sync_job(&) {	345	sub sync_job(&) {
290	my ($job) = @_;	346	my ($job) = @_;
291		347
292	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
293	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
295		353
296	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
308		366
309	while ($busy) {	367	while ($busy) {
310	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
311	}	369	}
312		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
313	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
314	} else {	379	} else {
315	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
316		381
317	$job->()	382	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
337		402
338	$coro	403	$coro
339	}	404	}
340		405
341	sub write_runtime {	406	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		407
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
345	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
346		412
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		414
351	aio_fsync $fh	415	sub fork_call(&@) {
352	and return;	416	my ($cb, @args) = @_;
353		417
		418	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		419	# or die "socketpair: $!";
		420	pipe my $fh1, my $fh2
		421	or die "pipe: $!";
		422
		423	if (my $pid = fork) {
354	close $fh	424	close $fh2;
355	or return;
356		425
357	aio_rename "$runtime~", $runtime	426	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	427	$res = Coro::Storable::thaw $res;
359		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	die $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	eval {
		439	close $fh1;
		440
		441	my @res = eval { $cb->(@args) };
		442	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		443	};
		444
		445	warn $@ if $@;
		446	_exit 0;
360	1	447	}
		448	}
		449
		450	=item $value = cf::db_get $family => $key
		451
		452	Returns a single value from the environment database.
		453
		454	=item cf::db_put $family => $key => $value
		455
		456	Stores the given C<$value> in the family. It can currently store binary
		457	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		458
		459	=cut
		460
		461	our $DB;
		462
		463	sub db_init {
		464	unless ($DB) {
		465	$DB = BDB::db_create $DB_ENV;
		466
		467	cf::sync_job {
		468	eval {
		469	$DB->set_flags (BDB::CHKSUM);
		470
		471	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		472	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		473	cf::cleanup "db_open(db): $!" if $!;
		474	};
		475	cf::cleanup "db_open(db): $@" if $@;
		476	};
		477	}
		478	}
		479
		480	sub db_get($$) {
		481	my $key = "$_[0]/$_[1]";
		482
		483	cf::sync_job {
		484	BDB::db_get $DB, undef, $key, my $data;
		485
		486	$! ? ()
		487	: $data
		488	}
		489	}
		490
		491	sub db_put($$$) {
		492	BDB::dbreq_pri 4;
		493	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		494	}
		495
		496	=item cf::cache $id => [$paths...], $processversion => $process
		497
		498	Generic caching function that returns the value of the resource $id,
		499	caching and regenerating as required.
		500
		501	This function can block.
		502
		503	=cut
		504
		505	sub cache {
		506	my ($id, $src, $processversion, $process) = @_;
		507
		508	my $meta =
		509	join "\x00",
		510	$processversion,
		511	map {
		512	aio_stat $_
		513	and Carp::croak "$_: $!";
		514
		515	($_, (stat _)[7,9])
		516	} @$src;
		517
		518	my $dbmeta = db_get cache => "$id/meta";
		519	if ($dbmeta ne $meta) {
		520	# changed, we may need to process
		521
		522	my @data;
		523	my $md5;
		524
		525	for (0 .. $#$src) {
		526	0 <= aio_load $src->[$_], $data[$_]
		527	or Carp::croak "$src->[$_]: $!";
		528	}
		529
		530	# if processing is expensive, check
		531	# checksum first
		532	if (1) {
		533	$md5 =
		534	join "\x00",
		535	$processversion,
		536	map {
		537	Coro::cede;
		538	($src->[$_], Digest::MD5::md5_hex $data[$_])
		539	} 0.. $#$src;
		540
		541
		542	my $dbmd5 = db_get cache => "$id/md5";
		543	if ($dbmd5 eq $md5) {
		544	db_put cache => "$id/meta", $meta;
		545
		546	return db_get cache => "$id/data";
		547	}
		548	}
		549
		550	my $t1 = Time::HiRes::time;
		551	my $data = $process->(\@data);
		552	my $t2 = Time::HiRes::time;
		553
		554	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		555
		556	db_put cache => "$id/data", $data;
		557	db_put cache => "$id/md5" , $md5;
		558	db_put cache => "$id/meta", $meta;
		559
		560	return $data;
		561	}
		562
		563	db_get cache => "$id/data"
		564	}
		565
		566	=item cf::datalog type => key => value, ...
		567
		568	Log a datalog packet of the given type with the given key-value pairs.
		569
		570	=cut
		571
		572	sub datalog($@) {
		573	my ($type, %kv) = @_;
		574	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	575	}
362		576
363	=back	577	=back
364		578
365	=cut	579	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		580
523	#############################################################################	581	#############################################################################
524		582
525	=head2 ATTACHABLE OBJECTS	583	=head2 ATTACHABLE OBJECTS
526		584
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	586	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	587	to it. All such attachable objects support the following methods.
530		588
531	In the following description, CLASS can be any of C<global>, C<object>	589	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	590	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	591	Crossfire TRT).
534		592
535	=over 4	593	=over 4
536		594
537	=item $attachable->attach ($attachment, key => $value...)	595	=item $attachable->attach ($attachment, key => $value...)
538		596
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	710	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	711	our @CB_MAP = ();
654		712
655	my %attachment;	713	my %attachment;
656		714
		715	sub cf::attachable::thawer_merge {
		716	# simply override everything except _meta
		717	local $_[0]{_meta};
		718	%{$_[0]} = %{$_[1]};
		719	}
		720
657	sub _attach_cb($$$$) {	721	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	722	my ($registry, $event, $prio, $cb) = @_;
659		723
660	use sort 'stable';	724	use sort 'stable';
661		725
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	759	$registry = $CB_TYPE[$object_type] ||= [];
696		760
697	} elsif ($type eq "subtype") {	761	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	762	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	763	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	764	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		765
702	} elsif ($type eq "package") {	766	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	767	my $pkg = shift @arg;
704		768
705	while (my ($name, $id) = each %cb_id) {	769	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	798	_attach $registry, $klass, @attach;
735	}	799	}
736		800
737	$obj->{$name} = \%arg;	801	$obj->{$name} = \%arg;
738	} else {	802	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	803	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	804	}
741		805
742	$obj->{_attachment}{$name} = undef;	806	$obj->{_attachment}{$name} = undef;
743	}	807	}
744		808
…		…
746	if (ref $_[0]) {	810	if (ref $_[0]) {
747	_object_attach @_;	811	_object_attach @_;
748	} else {	812	} else {
749	_attach shift->_attach_registry, @_;	813	_attach shift->_attach_registry, @_;
750	}	814	}
		815	_recalc_want;
751	};	816	};
752		817
753	# all those should be optimised	818	# all those should be optimised
754	sub cf::attachable::detach {	819	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	820	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	823	delete $obj->{_attachment}{$name};
759	reattach ($obj);	824	reattach ($obj);
760	} else {	825	} else {
761	Carp::croak "cannot, currently, detach class attachments";	826	Carp::croak "cannot, currently, detach class attachments";
762	}	827	}
		828	_recalc_want;
763	};	829	};
764		830
765	sub cf::attachable::attached {	831	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
767		833
…		…
832	# object support	898	# object support
833		899
834	sub reattach {	900	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	901	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	902	my ($obj) = @_;
		903
		904	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		905
838	my $registry = $obj->registry;	906	my $registry = $obj->registry;
839		907
840	@$registry = ();	908	@$registry = ();
841		909
…		…
888	$filename, length $$rdata, scalar @$objs;	956	$filename, length $$rdata, scalar @$objs;
889		957
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	958	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	959	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	960	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	962	close $fh;
895		963
896	if (@$objs) {	964	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	965	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	966	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	967	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	968	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	969	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	970	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	971	aio_rename "$filename.pst~", "$filename.pst";
904	}	972	}
905	} else {	973	} else {
906	aio_unlink "$filename.pst";	974	aio_unlink "$filename.pst";
…		…
938	or return;	1006	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1007	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1008	}
941		1009
942	warn sprintf "loading %s (%d)\n",	1010	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1011	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1012	return ($data, $av);
945	}	1013	}
		1014
		1015	=head2 COMMAND CALLBACKS
		1016
		1017	=over 4
		1018
		1019	=cut
946		1020
947	#############################################################################	1021	#############################################################################
948	# command handling &c	1022	# command handling &c
949		1023
950	=item cf::register_command $name => \&callback($ob,$args);	1024	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1037	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1038	}
965		1039
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1040	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1041
968	Register a callbackf ro execution when the client sends an extcmd packet.	1042	Register a callback for execution when the client sends an (synchronous)
		1043	extcmd packet. Ext commands will be processed in the order they are
		1044	received by the server, like other user commands. The first argument is
		1045	the logged-in player. Ext commands can only be processed after a player
		1046	has logged in successfully.
969		1047
970	If the callback returns something, it is sent back as if reply was being	1048	If the callback returns something, it is sent back as if reply was being
971	called.	1049	called.
972		1050
		1051	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1052
		1053	Register a callback for execution when the client sends an (asynchronous)
		1054	exticmd packet. Exti commands are processed by the server as soon as they
		1055	are received, i.e. out of order w.r.t. other commands. The first argument
		1056	is a client socket. Exti commands can be received anytime, even before
		1057	log-in.
		1058
		1059	If the callback returns something, it is sent back as if reply was being
		1060	called.
		1061
973	=cut	1062	=cut
974		1063
975	sub register_extcmd {	1064	sub register_extcmd {
976	my ($name, $cb) = @_;	1065	my ($name, $cb) = @_;
977		1066
978	$EXTCMD{$name} = $cb;	1067	$EXTCMD{$name} = $cb;
		1068	}
		1069
		1070	sub register_exticmd {
		1071	my ($name, $cb) = @_;
		1072
		1073	$EXTICMD{$name} = $cb;
979	}	1074	}
980		1075
981	cf::player->attach (	1076	cf::player->attach (
982	on_command => sub {	1077	on_command => sub {
983	my ($pl, $name, $params) = @_;	1078	my ($pl, $name, $params) = @_;
…		…
1008		1103
1009	cf::override;	1104	cf::override;
1010	},	1105	},
1011	);	1106	);
1012		1107
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1108	sub load_extensions {
		1109	cf::sync_job {
		1110	my %todo;
		1111
1041	for my $ext (<$LIBDIR/*.ext>) {	1112	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1113	next unless -r $path;
1043	eval {	1114
1044	load_extension $ext;	1115	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1116	my $base = $1;
		1117	my $pkg = $1;
		1118	$pkg =~ s/[^[:word:]]/_/g;
		1119	$pkg = "ext::$pkg";
		1120
		1121	open my $fh, "<:utf8", $path
		1122	or die "$path: $!";
		1123
		1124	my $source = do { local $/; <$fh> };
		1125
		1126	my %ext = (
		1127	path => $path,
		1128	base => $base,
		1129	pkg => $pkg,
		1130	);
		1131
		1132	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1133	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1134
		1135	$ext{source} =
		1136	"package $pkg; use strict; use utf8;\n"
		1137	. "#line 1 \"$path\"\n{\n"
		1138	. $source
		1139	. "\n};\n1";
		1140
		1141	$todo{$base} = \%ext;
		1142	}
		1143
		1144	my %done;
		1145	while (%todo) {
		1146	my $progress;
		1147
		1148	while (my ($k, $v) = each %todo) {
		1149	for (split /,\s*/, $v->{meta}{depends}) {
		1150	goto skip
		1151	unless exists $done{$_};
		1152	}
		1153
		1154	warn "... loading '$k' into '$v->{pkg}'\n";
		1155
		1156	unless (eval $v->{source}) {
		1157	my $msg = $@ ? "$v->{path}: $@\n"
		1158	: "$v->{base}: extension inactive.\n";
		1159
		1160	if (exists $v->{meta}{mandatory}) {
		1161	warn $msg;
		1162	warn "mandatory extension failed to load, exiting.\n";
		1163	exit 1;
		1164	}
		1165
		1166	warn $msg;
		1167	}
		1168
		1169	$done{$k} = delete $todo{$k};
		1170	push @EXTS, $v->{pkg};
		1171	$progress = 1;
1045	1	1172	}
1046	} or warn "$ext not loaded: $@";	1173
		1174	skip:
		1175	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1176	unless $progress;
		1177	}
1047	}	1178	};
1048	}	1179	}
1049		1180
1050	#############################################################################	1181	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1182
1053	*cf::mapsupport::on_clean = sub {	1183	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1184
1066	=head2 CORE EXTENSIONS	1185	=head2 CORE EXTENSIONS
1067		1186
1068	Functions and methods that extend core crossfire objects.	1187	Functions and methods that extend core crossfire objects.
1069		1188
…		…
1082	Returns the given player object, loading it if necessary (might block).	1201	Returns the given player object, loading it if necessary (might block).
1083		1202
1084	=cut	1203	=cut
1085		1204
1086	sub playerdir($) {	1205	sub playerdir($) {
1087	cf::localdir	1206	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1207	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1208	}
1093		1209
1094	sub path($) {	1210	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1211	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1212
1097	(playerdir $login) . "/$login.pl"	1213	(playerdir $login) . "/playerdata"
1098	}	1214	}
1099		1215
1100	sub find_active($) {	1216	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1217	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1218	and $cf::PLAYER{$_[0]}->active
…		…
1105		1221
1106	sub exists($) {	1222	sub exists($) {
1107	my ($login) = @_;	1223	my ($login) = @_;
1108		1224
1109	$cf::PLAYER{$login}	1225	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1226	or cf::sync_job { !aio_stat path $login }
1111	}	1227	}
1112		1228
1113	sub find($) {	1229	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1230	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1231	my $login = $_[0];
1116		1232
1117	my $guard = cf::lock_acquire "user_find:$login";	1233	my $guard = cf::lock_acquire "user_find:$login";
1118		1234
1119	$cf::PLAYER{$_[0]} || do {	1235	$cf::PLAYER{$_[0]} || do {
		1236	# rename old playerfiles to new ones
		1237	#TODO: remove when no longer required
		1238	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1239	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1240	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1241	aio_unlink +(playerdir $login) . "/$login.pl";
		1242
1120	my $pl = load_pl path $login	1243	my $pl = load_pl path $login
1121	or return;	1244	or return;
1122	$cf::PLAYER{$login} = $pl	1245	$cf::PLAYER{$login} = $pl
1123	}	1246	}
1124	}	1247	}
…		…
1161		1284
1162	=cut	1285	=cut
1163		1286
1164	sub quit_character {	1287	sub quit_character {
1165	my ($pl) = @_;	1288	my ($pl) = @_;
		1289
		1290	my $name = $pl->ob->name;
1166		1291
1167	$pl->{deny_save} = 1;	1292	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1293	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1294
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1295	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1300	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1301	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1302	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1303	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1304	$pl->destroy;
		1305
		1306	my $prefix = qr<^~\Q$name\E/>;
		1307
		1308	# nuke player maps
		1309	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1310
1180	IO::AIO::aio_rmtree $temp;	1311	IO::AIO::aio_rmtree $temp;
		1312	}
		1313
		1314	=item $pl->kick
		1315
		1316	Kicks a player out of the game. This destroys the connection.
		1317
		1318	=cut
		1319
		1320	sub kick {
		1321	my ($pl, $kicker) = @_;
		1322
		1323	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1324	$pl->killer ("kicked");
		1325	$pl->ns->destroy;
1181	}	1326	}
1182		1327
1183	=item cf::player::list_logins	1328	=item cf::player::list_logins
1184		1329
1185	Returns am arrayref of all valid playernames in the system, can take a	1330	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1331	while and may block, so not sync_job-capable, ever.
1187		1332
1188	=cut	1333	=cut
1189		1334
1190	sub list_logins {	1335	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1336	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1337	or return [];
1193		1338
1194	my @logins;	1339	my @logins;
1195		1340
1196	for my $login (@$dirs) {	1341	for my $login (@$dirs) {
…		…
1205	\@logins	1350	\@logins
1206	}	1351	}
1207		1352
1208	=item $player->maps	1353	=item $player->maps
1209		1354
1210	Returns an arrayref of cf::path's of all maps that are private for this	1355	Returns an arrayref of map paths that are private for this
1211	player. May block.	1356	player. May block.
1212		1357
1213	=cut	1358	=cut
1214		1359
1215	sub maps($) {	1360	sub maps($) {
1216	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1364
1218	my $files = aio_readdir playerdir $pl	1365	my $files = aio_readdir playerdir $pl
1219	or return;	1366	or return;
1220		1367
1221	my @paths;	1368	my @paths;
…		…
1223	for (@$files) {	1370	for (@$files) {
1224	utf8::decode $_;	1371	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1372	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1373	next unless /^$PATH_SEP/o;
1227		1374
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1375	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1376	}
1230		1377
1231	\@paths	1378	\@paths
1232	}	1379	}
1233		1380
		1381	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1382
		1383	Expand crossfire pod fragments into protocol xml.
		1384
		1385	=cut
		1386
		1387	sub expand_cfpod {
		1388	((my $self), (local $_)) = @_;
		1389
		1390	# escape & and <
		1391	s/&/&amp;/g;
		1392	s/(?<![BIUGH])</&lt;/g;
		1393
		1394	# this is buggy, it needs to properly take care of nested <'s
		1395
		1396	1 while
		1397	# replace B<>, I<>, U<> etc.
		1398	s/B<([^\>]*)>/<b>$1<\/b>/
		1399	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1400	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1401	# replace G<male|female> tags
		1402	|| s{G<([^>|]*)\|([^>]*)>}{
		1403	$self->gender ? $2 : $1
		1404	}ge
		1405	# replace H<hint text>
		1406	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1407
		1408	# create single paragraphs (very hackish)
		1409	s/(?<=\S)\n(?=\w)/ /g;
		1410
		1411	$_
		1412	}
		1413
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1414	=item $player->ext_reply ($msgid, %msg)
1235		1415
1236	Sends an ext reply to the player.	1416	Sends an ext reply to the player.
1237		1417
1238	=cut	1418	=cut
1239		1419
1240	sub ext_reply($$$%) {	1420	sub ext_reply($$%) {
1241	my ($self, $id, %msg) = @_;	1421	my ($self, $id, %msg) = @_;
1242		1422
1243	$msg{msgid} = $id;	1423	$msg{msgid} = $id;
1244
1245	$self->send ("ext " . cf::to_json \%msg);	1424	$self->send ("ext " . cf::to_json \%msg);
1246	}	1425	}
1247		1426
1248	package cf;	1427	=item $player->ext_event ($type, %msg)
		1428
		1429	Sends an ext event to the client.
		1430
		1431	=cut
		1432
		1433	sub ext_event($$%) {
		1434	my ($self, $type, %msg) = @_;
		1435
		1436	$self->ns->ext_event ($type, %msg);
		1437	}
		1438
		1439	=head3 cf::region
		1440
		1441	=over 4
		1442
		1443	=cut
		1444
		1445	package cf::region;
		1446
		1447	=item cf::region::find_by_path $path
		1448
		1449	Tries to decuce the likely region for a map knowing only its path.
		1450
		1451	=cut
		1452
		1453	sub find_by_path($) {
		1454	my ($path) = @_;
		1455
		1456	my ($match, $specificity);
		1457
		1458	for my $region (list) {
		1459	if ($region->match && $path =~ $region->match) {
		1460	($match, $specificity) = ($region, $region->specificity)
		1461	if $region->specificity > $specificity;
		1462	}
		1463	}
		1464
		1465	$match
		1466	}
1249		1467
1250	=back	1468	=back
1251
1252		1469
1253	=head3 cf::map	1470	=head3 cf::map
1254		1471
1255	=over 4	1472	=over 4
1256		1473
…		…
1259	package cf::map;	1476	package cf::map;
1260		1477
1261	use Fcntl;	1478	use Fcntl;
1262	use Coro::AIO;	1479	use Coro::AIO;
1263		1480
		1481	use overload
		1482	'""' => \&as_string,
		1483	fallback => 1;
		1484
1264	our $MAX_RESET = 3600;	1485	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1486	our $DEFAULT_RESET = 3000;
1266		1487
1267	sub generate_random_map {	1488	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1489	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1490	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1491	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1492	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1493	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1494	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1495	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1496	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1501	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1502	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1503	)
1285	}	1504	}
1286		1505
		1506	=item cf::map->register ($regex, $prio)
		1507
		1508	Register a handler for the map path matching the given regex at the
		1509	givne priority (higher is better, built-in handlers have priority 0, the
		1510	default).
		1511
		1512	=cut
		1513
		1514	sub register {
		1515	my (undef, $regex, $prio) = @_;
		1516	my $pkg = caller;
		1517
		1518	no strict;
		1519	push @{"$pkg\::ISA"}, __PACKAGE__;
		1520
		1521	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1522	}
		1523
		1524	# also paths starting with '/'
		1525	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1526
		1527	sub thawer_merge {
		1528	my ($self, $merge) = @_;
		1529
		1530	# we have to keep some variables in memory intact
		1531	local $self->{path};
		1532	local $self->{load_path};
		1533
		1534	$self->SUPER::thawer_merge ($merge);
		1535	}
		1536
		1537	sub normalise {
		1538	my ($path, $base) = @_;
		1539
		1540	$path = "$path"; # make sure its a string
		1541
		1542	$path =~ s/\.map$//;
		1543
		1544	# map plan:
		1545	#
		1546	# /! non-realised random map exit (special hack!)
		1547	# {... are special paths that are not being touched
		1548	# ?xxx/... are special absolute paths
		1549	# ?random/... random maps
		1550	# /... normal maps
		1551	# ~user/... per-player map of a specific user
		1552
		1553	$path =~ s/$PATH_SEP/\//go;
		1554
		1555	# treat it as relative path if it starts with
		1556	# something that looks reasonable
		1557	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1558	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1559
		1560	$base =~ s{[^/]+/?$}{};
		1561	$path = "$base/$path";
		1562	}
		1563
		1564	for ($path) {
		1565	redo if s{//}{/};
		1566	redo if s{/\.?/}{/};
		1567	redo if s{/[^/]+/\.\./}{/};
		1568	}
		1569
		1570	$path
		1571	}
		1572
		1573	sub new_from_path {
		1574	my (undef, $path, $base) = @_;
		1575
		1576	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1577
		1578	$path = normalise $path, $base;
		1579
		1580	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1581	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1582	my $self = bless cf::map::new, $pkg;
		1583	$self->{path} = $path; $self->path ($path);
		1584	$self->init; # pass $1 etc.
		1585	return $self;
		1586	}
		1587	}
		1588
		1589	Carp::carp "unable to resolve path '$path' (base '$base').";
		1590	()
		1591	}
		1592
		1593	sub init {
		1594	my ($self) = @_;
		1595
		1596	$self
		1597	}
		1598
		1599	sub as_string {
		1600	my ($self) = @_;
		1601
		1602	"$self->{path}"
		1603	}
		1604
		1605	# the displayed name, this is a one way mapping
		1606	sub visible_name {
		1607	&as_string
		1608	}
		1609
		1610	# the original (read-only) location
		1611	sub load_path {
		1612	my ($self) = @_;
		1613
		1614	"$MAPDIR/$self->{path}.map"
		1615	}
		1616
		1617	# the temporary/swap location
		1618	sub save_path {
		1619	my ($self) = @_;
		1620
		1621	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1622	"$TMPDIR/$path.map"
		1623	}
		1624
		1625	# the unique path, undef == no special unique path
		1626	sub uniq_path {
		1627	my ($self) = @_;
		1628
		1629	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1630	"$UNIQUEDIR/$path"
		1631	}
		1632
1287	# and all this just because we cannot iterate over	1633	# and all this just because we cannot iterate over
1288	# all maps in C++...	1634	# all maps in C++...
1289	sub change_all_map_light {	1635	sub change_all_map_light {
1290	my ($change) = @_;	1636	my ($change) = @_;
1291		1637
1292	$_->change_map_light ($change)	1638	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1639	for grep $_->outdoor, values %cf::MAP;
1294	}	1640	}
1295		1641
		1642	sub decay_objects {
		1643	my ($self) = @_;
		1644
		1645	return if $self->{deny_reset};
		1646
		1647	$self->do_decay_objects;
		1648	}
		1649
		1650	sub unlink_save {
		1651	my ($self) = @_;
		1652
		1653	utf8::encode (my $save = $self->save_path);
		1654	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1655	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1656	}
		1657
1296	sub load_map_header($) {	1658	sub load_header_from($) {
1297	my ($path) = @_;	1659	my ($self, $path) = @_;
1298		1660
1299	utf8::encode $path;	1661	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1662	#aio_open $path, O_RDONLY, 0
		1663	# or return;
		1664
		1665	$self->_load_header ($path)
1301	or return;	1666	or return;
1302		1667
1303	my $map = cf::map::new	1668	$self->{load_path} = $path;
		1669
		1670	1
		1671	}
		1672
		1673	sub load_header_orig {
		1674	my ($self) = @_;
		1675
		1676	$self->load_header_from ($self->load_path)
		1677	}
		1678
		1679	sub load_header_temp {
		1680	my ($self) = @_;
		1681
		1682	$self->load_header_from ($self->save_path)
		1683	}
		1684
		1685	sub prepare_temp {
		1686	my ($self) = @_;
		1687
		1688	$self->last_access ((delete $self->{last_access})
		1689	|| $cf::RUNTIME); #d#
		1690	# safety
		1691	$self->{instantiate_time} = $cf::RUNTIME
		1692	if $self->{instantiate_time} > $cf::RUNTIME;
		1693	}
		1694
		1695	sub prepare_orig {
		1696	my ($self) = @_;
		1697
		1698	$self->{load_original} = 1;
		1699	$self->{instantiate_time} = $cf::RUNTIME;
		1700	$self->last_access ($cf::RUNTIME);
		1701	$self->instantiate;
		1702	}
		1703
		1704	sub load_header {
		1705	my ($self) = @_;
		1706
		1707	if ($self->load_header_temp) {
		1708	$self->prepare_temp;
		1709	} else {
		1710	$self->load_header_orig
1304	or return;	1711	or return;
		1712	$self->prepare_orig;
		1713	}
1305		1714
1306	# for better error messages only, will be overwritten later	1715	$self->{deny_reset} = 1
1307	$map->path ($path);	1716	if $self->no_reset;
1308		1717
1309	$map->load_header ($path)	1718	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1719	unless $self->default_region;
1311		1720
1312	$map->{load_path} = $path;	1721	1
1313
1314	$map
1315	}	1722	}
1316		1723
1317	sub find;	1724	sub find;
1318	sub find {	1725	sub find {
1319	my ($path, $origin) = @_;	1726	my ($path, $origin) = @_;
1320		1727
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1728	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1729
1326	cf::lock_wait "map_find:$key";	1730	cf::lock_wait "map_find:$path";
1327		1731
1328	$cf::MAP{$key} || do {	1732	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1733	my $guard = cf::lock_acquire "map_find:$path";
1330		1734	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1735	or return;
1345		1736
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1737	$map->{last_save} = $cf::RUNTIME;
1358		1738
1359	Coro::cede;	1739	$map->load_header
		1740	or return;
1360		1741
1361	if ($map->should_reset) {	1742	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1743	# doing this can freeze the server in a sync job, obviously
		1744	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1745	$map->reset;
1363	undef $guard;	1746	undef $guard;
1364	$map = find $path	1747	return find $path;
1365	or return;
1366	}	1748	}
1367		1749
1368	$cf::MAP{$key} = $map	1750	$cf::MAP{$path} = $map
1369	}	1751	}
1370	}	1752	}
		1753
		1754	sub pre_load { }
		1755	sub post_load { }
1371		1756
1372	sub load {	1757	sub load {
1373	my ($self) = @_;	1758	my ($self) = @_;
1374		1759
		1760	local $self->{deny_reset} = 1; # loading can take a long time
		1761
1375	my $path = $self->{path};	1762	my $path = $self->{path};
		1763
		1764	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1765	my $guard = cf::lock_acquire "map_load:$path";
1377		1766
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1767	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1768
1380	$self->in_memory (cf::MAP_LOADING);	1769	$self->in_memory (cf::MAP_LOADING);
1381		1770
1382	$self->alloc;	1771	$self->alloc;
		1772
		1773	$self->pre_load;
		1774	Coro::cede;
		1775
1383	$self->load_objects ($self->{load_path}, 1)	1776	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1777	or return;
1385		1778
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1779	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1780	if delete $self->{load_original};
1388		1781
1389	if (my $uniq = $path->uniq_path) {	1782	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1783	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1784	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1785	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1786	$self->_load_objects ($uniq, 0);
1394	}	1787	}
1395	}	1788	}
1396		1789
1397	Coro::cede;	1790	Coro::cede;
1398
1399	# now do the right thing for maps	1791	# now do the right thing for maps
1400	$self->link_multipart_objects;	1792	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1793	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1794	unless $self->difficulty;
		1795	Coro::cede;
		1796
		1797	unless ($self->{deny_activate}) {
		1798	$self->decay_objects;
		1799	$self->fix_auto_apply;
		1800	$self->update_buttons;
		1801	Coro::cede;
		1802	$self->set_darkness_map;
		1803	Coro::cede;
1412	$self->activate;	1804	$self->activate;
1413	}	1805	}
1414		1806
1415	Coro::cede;
1416
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1807	$self->in_memory (cf::MAP_IN_MEMORY);
		1808	}
		1809
		1810	$self->post_load;
		1811	}
		1812
		1813	sub customise_for {
		1814	my ($self, $ob) = @_;
		1815
		1816	return find "~" . $ob->name . "/" . $self->{path}
		1817	if $self->per_player;
		1818
		1819	# return find "?party/" . $ob->name . "/" . $self->{path}
		1820	# if $self->per_party;
		1821
		1822	$self
1418	}	1823	}
1419		1824
1420	# find and load all maps in the 3x3 area around a map	1825	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1826	sub load_diag {
1422	my ($map) = @_;	1827	my ($map) = @_;
…		…
1452		1857
1453	cf::sync_job { $map->load };	1858	cf::sync_job { $map->load };
1454	}	1859	}
1455		1860
1456	our %MAP_PREFETCH;	1861	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1862	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1863
1472	sub find_async {	1864	sub find_async {
1473	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1474		1866
1475	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1868
1478	if (my $map = $cf::MAP{$key}) {	1869	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1870	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1871	}
1481		1872
1482	$MAP_PREFETCH{$key} = $path;	1873	undef $MAP_PREFETCH{$path};
		1874	$MAP_PREFETCHER ||= cf::async {
		1875	while (%MAP_PREFETCH) {
		1876	for my $path (keys %MAP_PREFETCH) {
		1877	my $map = find $path
		1878	or next;
		1879	$map->load;
		1880
		1881	delete $MAP_PREFETCH{$path};
		1882	}
		1883	}
		1884	undef $MAP_PREFETCHER;
		1885	};
1483	$MAP_PREFETCHER->ready;	1886	$MAP_PREFETCHER->prio (6);
1484		1887
1485	()	1888	()
1486	}	1889	}
1487		1890
1488	sub save {	1891	sub save {
…		…
1492		1895
1493	$self->{last_save} = $cf::RUNTIME;	1896	$self->{last_save} = $cf::RUNTIME;
1494		1897
1495	return unless $self->dirty;	1898	return unless $self->dirty;
1496		1899
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1900	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1901	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1902
1500	$self->{load_path} = $save;	1903	$self->{load_path} = $save;
1501		1904
1502	return if $self->{deny_save};	1905	return if $self->{deny_save};
1503		1906
…		…
1506	cf::async {	1909	cf::async {
1507	$_->contr->save for $self->players;	1910	$_->contr->save for $self->players;
1508	};	1911	};
1509		1912
1510	if ($uniq) {	1913	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1914	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	1915	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	1916	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1917	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	1918	}
1516	}	1919	}
1517		1920
1518	sub swap_out {	1921	sub swap_out {
1519	my ($self) = @_;	1922	my ($self) = @_;
…		…
1533		1936
1534	sub reset_at {	1937	sub reset_at {
1535	my ($self) = @_;	1938	my ($self) = @_;
1536		1939
1537	# TODO: safety, remove and allow resettable per-player maps	1940	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	1941	return 1e99 if $self->{deny_reset};
1540		1942
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1943	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1944	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		1945
…		…
1548	my ($self) = @_;	1950	my ($self) = @_;
1549		1951
1550	$self->reset_at <= $cf::RUNTIME	1952	$self->reset_at <= $cf::RUNTIME
1551	}	1953	}
1552		1954
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1955	sub reset {
1575	my ($self) = @_;	1956	my ($self) = @_;
1576		1957
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1958	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1959
1579	return if $self->players;	1960	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1961
1582	warn "resetting map ", $self->path;#d#	1962	warn "resetting map ", $self->path;
		1963
		1964	$self->in_memory (cf::MAP_SWAPPED);
		1965
		1966	# need to save uniques path
		1967	unless ($self->{deny_save}) {
		1968	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1969
		1970	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1971	if $uniq;
		1972	}
1583		1973
1584	delete $cf::MAP{$self->path};	1974	delete $cf::MAP{$self->path};
		1975
		1976	$self->clear;
1585		1977
1586	$_->clear_links_to ($self) for values %cf::MAP;	1978	$_->clear_links_to ($self) for values %cf::MAP;
1587		1979
1588	$self->unlink_save;	1980	$self->unlink_save;
1589	$self->destroy;	1981	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	1984	my $nuke_counter = "aaaa";
1593		1985
1594	sub nuke {	1986	sub nuke {
1595	my ($self) = @_;	1987	my ($self) = @_;
1596		1988
		1989	delete $cf::MAP{$self->path};
		1990
		1991	$self->unlink_save;
		1992
		1993	bless $self, "cf::map";
		1994	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	1995	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	1996	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	1997	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1998
		1999	$cf::MAP{$self->path} = $self;
		2000
1600	$self->reset; # polite request, might not happen	2001	$self->reset; # polite request, might not happen
1601	}	2002	}
1602		2003
1603	sub customise_for {	2004	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2005
1606	if ($map->per_player) {	2006	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2007	maps. May block.
		2008
		2009	=cut
		2010
		2011	sub tmp_maps() {
1608	}	2012	[
		2013	map {
		2014	utf8::decode $_;
		2015	/\.map$/
		2016	? normalise $_
		2017	: ()
		2018	} @{ aio_readdir $TMPDIR or [] }
		2019	]
		2020	}
1609		2021
1610	$map	2022	=item $maps = cf::map::random_maps
		2023
		2024	Returns an arrayref with all map paths of currently instantiated and saved
		2025	random maps. May block.
		2026
		2027	=cut
		2028
		2029	sub random_maps() {
		2030	[
		2031	map {
		2032	utf8::decode $_;
		2033	/\.map$/
		2034	? normalise "?random/$_"
		2035	: ()
		2036	} @{ aio_readdir $RANDOMDIR or [] }
		2037	]
1611	}	2038	}
1612		2039
1613	=item cf::map::unique_maps	2040	=item cf::map::unique_maps
1614		2041
1615	Returns an arrayref of cf::path's of all shared maps that have	2042	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2043	instantiated unique items. May block.
1617		2044
1618	=cut	2045	=cut
1619		2046
1620	sub unique_maps() {	2047	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2048	[
1622	or return;	2049	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2050	utf8::decode $_;
1628	next if /\.pst$/;	2051	/\.map$/
1629	next unless /^$PATH_SEP/o;	2052	? normalise $_
1630		2053	: ()
1631	push @paths, new cf::path $_;	2054	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2055	]
1633
1634	\@paths
1635	}	2056	}
1636		2057
1637	package cf;	2058	package cf;
1638		2059
1639	=back	2060	=back
…		…
1685		2106
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2107	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2108
1688	if ($self->{record_replies}) {	2109	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2110	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2111
1690	} else {	2112	} else {
		2113	my $pl = $self->contr;
		2114
		2115	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2116	my $diag = $pl->{npc_dialog};
		2117	$diag->{pl}->ext_reply (
		2118	$diag->{id},
		2119	msgtype => "reply",
		2120	msg => $diag->{pl}->expand_cfpod ($msg),
		2121	add_topics => []
		2122	);
		2123
		2124	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2125	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2126	$self->message ($msg, $flags);
		2127	}
1693	}	2128	}
1694	}	2129	}
1695		2130
1696	=item $player_object->may ("access")	2131	=item $player_object->may ("access")
1697		2132
…		…
1711		2146
1712	=item $player_object->enter_link	2147	=item $player_object->enter_link
1713		2148
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2149	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2150
1716	The player should be reaosnably safe there for short amounts of time. You	2151	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2152	I<MUST> call C<leave_link> as soon as possible, though.
1718		2153
		2154	Will never block.
		2155
1719	=item $player_object->leave_link ($map, $x, $y)	2156	=item $player_object->leave_link ($map, $x, $y)
1720		2157
1721	Moves the player out of the specila link map onto the given map. If the	2158	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2159	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2160	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2161	fails, to the emergency map position.
1725		2162
1726	Might block.	2163	Might block.
1727		2164
1728	=cut	2165	=cut
		2166
		2167	sub link_map {
		2168	unless ($LINK_MAP) {
		2169	$LINK_MAP = cf::map::find "{link}"
		2170	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2171	$LINK_MAP->load;
		2172	}
		2173
		2174	$LINK_MAP
		2175	}
1729		2176
1730	sub cf::object::player::enter_link {	2177	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2178	my ($self) = @_;
1732		2179
1733	$self->deactivate_recursive;	2180	$self->deactivate_recursive;
1734		2181
1735	return if $self->map == $LINK_MAP;	2182	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2183
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2184	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2185	if $self->map && $self->map->{path} ne "{link}";
1739		2186
1740	$self->enter_map ($LINK_MAP, 20, 20);	2187	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2188	}
1742		2189
1743	sub cf::object::player::leave_link {	2190	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2191	my ($self, $map, $x, $y) = @_;
		2192
		2193	return unless $self->contr->active;
1745		2194
1746	my $link_pos = delete $self->{_link_pos};	2195	my $link_pos = delete $self->{_link_pos};
1747		2196
1748	unless ($map) {	2197	unless ($map) {
1749	# restore original map position	2198	# restore original map position
…		…
1767	$map->load;	2216	$map->load;
1768	$map->load_diag;	2217	$map->load_diag;
1769		2218
1770	return unless $self->contr->active;	2219	return unless $self->contr->active;
1771	$self->activate_recursive;	2220	$self->activate_recursive;
		2221
		2222	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2223	$self->enter_map ($map, $x, $y);
1773	}	2224	}
1774		2225
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2226	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2227
		2228	Moves the player to the given map-path and coordinates by first freezing
		2229	her, loading and preparing them map, calling the provided $check callback
		2230	that has to return the map if sucecssful, and then unfreezes the player on
		2231	the new (success) or old (failed) map position.
		2232
1809	=cut	2233	=cut
		2234
		2235	our $GOTOGEN;
1810		2236
1811	sub cf::object::player::goto {	2237	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2238	my ($self, $path, $x, $y, $check) = @_;
1813		2239
1814	$path = new cf::path $path;	2240	# do generation counting so two concurrent goto's will be executed in-order
		2241	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2242
1816	$self->enter_link;	2243	$self->enter_link;
1817		2244
1818	(async {	2245	(async {
		2246	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2247	my $map = cf::map::find $path;
		2248
		2249	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2250	$map = $map->customise_for ($self);
1821		2251	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2252	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2253	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2254	}
1826		2255
		2256	$map
		2257	};
		2258
		2259	if ($@) {
		2260	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2261	LOG llevError | logBacktrace, Carp::longmess $@;
		2262	}
		2263
		2264	if ($gen == $self->{_goto_generation}) {
		2265	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2266	$self->leave_link ($map, $x, $y);
		2267	}
1828	})->prio (1);	2268	})->prio (1);
1829	}	2269	}
1830		2270
1831	=item $player_object->enter_exit ($exit_object)	2271	=item $player_object->enter_exit ($exit_object)
1832		2272
…		…
1834		2274
1835	sub parse_random_map_params {	2275	sub parse_random_map_params {
1836	my ($spec) = @_;	2276	my ($spec) = @_;
1837		2277
1838	my $rmp = { # defaults	2278	my $rmp = { # defaults
1839	xsize => 10,	2279	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2280	ysize => (cf::rndm 15, 40),
		2281	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2282	#layout => string,
1841	};	2283	};
1842		2284
1843	for (split /\n/, $spec) {	2285	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2286	my ($k, $v) = split /\s+/, $_, 2;
1845		2287
…		…
1849	$rmp	2291	$rmp
1850	}	2292	}
1851		2293
1852	sub prepare_random_map {	2294	sub prepare_random_map {
1853	my ($exit) = @_;	2295	my ($exit) = @_;
		2296
		2297	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2298
1855	# all this does is basically replace the /! path by	2299	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2300	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2301	# that depends on the exit object
1858		2302
1859	my $rmp = parse_random_map_params $exit->msg;	2303	my $rmp = parse_random_map_params $exit->msg;
1860		2304
1861	if ($exit->map) {	2305	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2306	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2307	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2308	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2309	$rmp->{origin_y} = $exit->y;
1866	}	2310	}
1867		2311
1868	$rmp->{random_seed} ||= $exit->random_seed;	2312	$rmp->{random_seed} ||= $exit->random_seed;
1869		2313
1870	my $data = cf::to_json $rmp;	2314	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2315	my $md5 = Digest::MD5::md5_hex $data;
		2316	my $meta = "$RANDOMDIR/$md5.meta";
1872		2317
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2318	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2319	aio_write $fh, 0, (length $data), $data, 0;
		2320	undef $fh;
		2321	aio_rename "$meta~", $meta;
1875		2322
1876	$exit->slaying ("?random/$md5");	2323	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2324	$exit->msg (undef);
1878	}	2325	}
1879	}	2326	}
1880		2327
1881	sub cf::object::player::enter_exit {	2328	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2329	my ($self, $exit) = @_;
1883		2330
1884	return unless $self->type == cf::PLAYER;	2331	return unless $self->type == cf::PLAYER;
		2332
		2333	if ($exit->slaying eq "/!") {
		2334	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2335	# the problem is that $exit might not survive long enough
		2336	# so it needs to be done right now, right here
		2337	cf::sync_job { prepare_random_map $exit };
		2338	}
		2339
		2340	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2341	my $hp = $exit->stats->hp;
		2342	my $sp = $exit->stats->sp;
1885		2343
1886	$self->enter_link;	2344	$self->enter_link;
1887		2345
1888	(async {	2346	(async {
1889	$self->deactivate_recursive; # just to be sure	2347	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2348	unless (eval {
1891	prepare_random_map $exit	2349	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2350
1897	1;	2351	1;
1898	}) {	2352	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2353	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2354	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2355	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2356	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2357
1904	warn "ERROR in enter_exit: $@";	2358	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2359	$self->leave_link;
1906	}	2360	}
1907	})->prio (1);	2361	})->prio (1);
…		…
1920		2374
1921	sub cf::client::send_drawinfo {	2375	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2376	my ($self, $text, $flags) = @_;
1923		2377
1924	utf8::encode $text;	2378	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2379	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2380	}
1927		2381
		2382	=item $client->send_msg ($color, $type, $msg, [extra...])
		2383
		2384	Send a drawinfo or msg packet to the client, formatting the msg for the
		2385	client if neccessary. C<$type> should be a string identifying the type of
		2386	the message, with C<log> being the default. If C<$color> is negative, suppress
		2387	the message unless the client supports the msg packet.
		2388
		2389	=cut
		2390
		2391	sub cf::client::send_msg {
		2392	my ($self, $color, $type, $msg, @extra) = @_;
		2393
		2394	$msg = $self->pl->expand_cfpod ($msg);
		2395
		2396	if ($self->can_msg) {
		2397	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2398	} else {
		2399	# replace some tags by gcfclient-compatible ones
		2400	for ($msg) {
		2401	1 while
		2402	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2403	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2404	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2405	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2406	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2407	}
		2408
		2409	if ($color >= 0) {
		2410	if (0 && $msg =~ /\[/) {
		2411	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2412	} else {
		2413	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2414	$self->send_packet ("drawinfo $color $msg")
		2415	}
		2416	}
		2417	}
		2418	}
		2419
		2420	=item $client->ext_event ($type, %msg)
		2421
		2422	Sends an ext event to the client.
		2423
		2424	=cut
		2425
		2426	sub cf::client::ext_event($$%) {
		2427	my ($self, $type, %msg) = @_;
		2428
		2429	$msg{msgtype} = "event_$type";
		2430	$self->send_packet ("ext " . cf::to_json \%msg);
		2431	}
1928		2432
1929	=item $success = $client->query ($flags, "text", \&cb)	2433	=item $success = $client->query ($flags, "text", \&cb)
1930		2434
1931	Queues a query to the client, calling the given callback with	2435	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2436	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2437	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2438
1935	Queries can fail, so check the return code. Or don't, as queries will become	2439	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2440	become reliable at some point in the future.
1937		2441
1938	=cut	2442	=cut
1939		2443
1940	sub cf::client::query {	2444	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2445	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2453	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2454	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2455
1952	$self->send_packet ($self->{query_queue}[0][0])	2456	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2457	if @{ $self->{query_queue} } == 1;
		2458
		2459	1
1954	}	2460	}
1955		2461
1956	cf::client->attach (	2462	cf::client->attach (
1957	on_reply => sub {	2463	on_reply => sub {
1958	my ($ns, $msg) = @_;	2464	my ($ns, $msg) = @_;
…		…
1961	# get handled first	2467	# get handled first
1962	my $queue = delete $ns->{query_queue}	2468	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2469	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2470
1965	(shift @$queue)->[1]->($msg);	2471	(shift @$queue)->[1]->($msg);
		2472	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2473
1967	push @{ $ns->{query_queue} }, @$queue;	2474	push @{ $ns->{query_queue} }, @$queue;
1968		2475
1969	if (@{ $ns->{query_queue} } == @$queue) {	2476	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2477	if (@$queue) {
…		…
1972	} else {	2479	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2480	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2481	}
1975	}	2482	}
1976	},	2483	},
		2484	on_exticmd => sub {
		2485	my ($ns, $buf) = @_;
		2486
		2487	my $msg = eval { from_json $buf };
		2488
		2489	if (ref $msg) {
		2490	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2491	if (my %reply = $cb->($ns, $msg)) {
		2492	$reply{msgid} = $msg->{msgid};
		2493	$ns->send ("ext " . cf::to_json \%reply);
		2494	}
		2495	}
		2496	} else {
		2497	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2498	}
		2499
		2500	cf::override;
		2501	},
1977	);	2502	);
1978		2503
1979	=item $client->async (\&cb)	2504	=item $client->async (\&cb)
1980		2505
1981	Create a new coroutine, running the specified callback. The coroutine will	2506	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2553
2029	# here we export the classes and methods available to script code	2554	# here we export the classes and methods available to script code
2030		2555
2031	=pod	2556	=pod
2032		2557
2033	The following fucntions and emthods are available within a safe environment:	2558	The following functions and methods are available within a safe environment:
2034		2559
2035	cf::object contr pay_amount pay_player map	2560	cf::object contr pay_amount pay_player map
2036	cf::object::player player	2561	cf::object::player player
2037	cf::player peaceful	2562	cf::player peaceful
2038	cf::map trigger	2563	cf::map trigger
…		…
2119	=back	2644	=back
2120		2645
2121	=cut	2646	=cut
2122		2647
2123	#############################################################################	2648	#############################################################################
		2649	# the server's init and main functions
2124		2650
2125	=head2 EXTENSION DATABASE SUPPORT	2651	sub load_facedata($) {
		2652	my ($path) = @_;
2126		2653
2127	Crossfire maintains a very simple database for extension use. It can	2654	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2655
2131	The parameter C<$family> should best start with the name of the extension	2656	my $facedata;
2132	using it, it should be unique.	2657	0 < aio_load $path, $facedata
		2658	or die "$path: $!";
2133		2659
2134	=over 4	2660	$facedata = Coro::Storable::thaw $facedata;
2135		2661
2136	=item $hashref = cf::db_get $family	2662	$facedata->{version} == 2
		2663	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2664
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2665	{
		2666	my $faces = $facedata->{faceinfo};
2174		2667
2175	my $pid;	2668	while (my ($face, $info) = each %$faces) {
2176		2669	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	sub db_save() {	2670	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2178	waitpid $pid, 0 if $pid;	2671	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2179	if (0 == ($pid = fork)) {	2672	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2180	$DB->{_meta}{version} = 1;	2673	Coro::cede;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2674	}
2223	);
2224	}
2225		2675
2226	#############################################################################	2676	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2677	next unless $info->{smooth};
		2678	my $idx = cf::face::find $face
		2679	or next;
		2680	if (my $smooth = cf::face::find $info->{smooth}) {
		2681	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2682	} else {
		2683	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2684	}
		2685	Coro::cede;
		2686	}
		2687	}
		2688
		2689	{
		2690	my $anims = $facedata->{animinfo};
		2691
		2692	while (my ($anim, $info) = each %$anims) {
		2693	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2694	Coro::cede;
		2695	}
		2696
		2697	cf::anim::invalidate_all; # d'oh
		2698	}
		2699
		2700	1
		2701	}
		2702
		2703	sub reload_regions {
		2704	load_resource_file "$MAPDIR/regions"
		2705	or die "unable to load regions file\n";
		2706	}
		2707
		2708	sub reload_facedata {
		2709	load_facedata "$DATADIR/facedata"
		2710	or die "unable to load facedata\n";
		2711	}
		2712
		2713	sub reload_archetypes {
		2714	load_resource_file "$DATADIR/archetypes"
		2715	or die "unable to load archetypes\n";
		2716	}
		2717
		2718	sub reload_treasures {
		2719	load_resource_file "$DATADIR/treasures"
		2720	or die "unable to load treasurelists\n";
		2721	}
		2722
		2723	sub reload_resources {
		2724	warn "reloading resource files...\n";
		2725
		2726	reload_regions;
		2727	reload_facedata;
		2728	#reload_archetypes;#d#
		2729	reload_archetypes;
		2730	reload_treasures;
		2731
		2732	warn "finished reloading resource files\n";
		2733	}
		2734
		2735	sub init {
		2736	reload_resources;
		2737	}
2228		2738
2229	sub cfg_load {	2739	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2740	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2741	or return;
2232		2742
2233	local $/;	2743	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2744	*CFG = YAML::Syck::Load <$fh>;
2235		2745
…		…
2249		2759
2250	sub main {	2760	sub main {
2251	# we must not ever block the main coroutine	2761	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2762	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2763	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2764	(async {
2254	async { Event::one_event };	2765	Event::one_event;
		2766	})->prio (Coro::PRIO_MAX);
2255	};	2767	};
2256		2768
2257	cfg_load;	2769	cfg_load;
2258	db_load;	2770	db_init;
2259	load_extensions;	2771	load_extensions;
		2772
		2773	$TICK_WATCHER->start;
2260	Event::loop;	2774	Event::loop;
2261	}	2775	}
2262		2776
2263	#############################################################################	2777	#############################################################################
2264	# initialisation and cleanup	2778	# initialisation and cleanup
2265		2779
2266	# install some emergency cleanup handlers	2780	# install some emergency cleanup handlers
2267	BEGIN {	2781	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2782	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2783	Event->signal (
		2784	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2785	data => WF_AUTOCANCEL,
2271	signal => $signal,	2786	signal => $signal,
		2787	prio => 0,
2272	cb => sub {	2788	cb => sub {
2273	cf::cleanup "SIG$signal";	2789	cf::cleanup "SIG$signal";
2274	},	2790	},
2275	);	2791	);
2276	}	2792	}
2277	}	2793	}
2278		2794
		2795	sub write_runtime {
		2796	my $runtime = "$LOCALDIR/runtime";
		2797
		2798	# first touch the runtime file to show we are still running:
		2799	# the fsync below can take a very very long time.
		2800
		2801	IO::AIO::aio_utime $runtime, undef, undef;
		2802
		2803	my $guard = cf::lock_acquire "write_runtime";
		2804
		2805	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2806	or return;
		2807
		2808	my $value = $cf::RUNTIME + 90 + 10;
		2809	# 10 is the runtime save interval, for a monotonic clock
		2810	# 60 allows for the watchdog to kill the server.
		2811
		2812	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2813	and return;
		2814
		2815	# always fsync - this file is important
		2816	aio_fsync $fh
		2817	and return;
		2818
		2819	# touch it again to show we are up-to-date
		2820	aio_utime $fh, undef, undef;
		2821
		2822	close $fh
		2823	or return;
		2824
		2825	aio_rename "$runtime~", $runtime
		2826	and return;
		2827
		2828	warn "runtime file written.\n";
		2829
		2830	1
		2831	}
		2832
2279	sub emergency_save() {	2833	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2834	my $freeze_guard = cf::freeze_mainloop;
2281		2835
2282	warn "enter emergency perl save\n";	2836	warn "enter emergency perl save\n";
2283		2837
2284	cf::sync_job {	2838	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2839	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2840	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2841	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2842	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2843	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2844	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2845	$pl->valid or next;
2292	$pl->save;	2846	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2852	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2853	$map->valid or next;
2300	$map->save;	2854	$map->save;
2301	}	2855	}
2302	warn "end emergency map save\n";	2856	warn "end emergency map save\n";
		2857
		2858	warn "begin emergency database checkpoint\n";
		2859	BDB::db_env_txn_checkpoint $DB_ENV;
		2860	warn "end emergency database checkpoint\n";
2303	};	2861	};
2304		2862
2305	warn "leave emergency perl save\n";	2863	warn "leave emergency perl save\n";
2306	}	2864	}
2307		2865
		2866	sub post_cleanup {
		2867	my ($make_core) = @_;
		2868
		2869	warn Carp::longmess "post_cleanup backtrace"
		2870	if $make_core;
		2871	}
		2872
2308	sub reload() {	2873	sub do_reload_perl() {
2309	# can/must only be called in main	2874	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2875	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2876	warn "can only reload from main coroutine";
2312	return;	2877	return;
2313	}	2878	}
2314		2879
2315	warn "reloading...";	2880	warn "reloading...";
2316		2881
2317	warn "freezing server";	2882	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2883
		2884	cf::sync_job {
		2885	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2886	cf::emergency_save;
		2887	cf::write_runtime; # external watchdog should not bark
2320		2888
2321	warn "sync database to disk";	2889	warn "syncing database to disk";
2322	cf::db_sync;	2890	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2891
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2892	# if anything goes wrong in here, we should simply crash as we already saved
2327		2893
2328	warn "cancel all watchers";	2894	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2895	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	2896	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	2897	}
2332		2898
		2899	warn "flushing outstanding aio requests";
		2900	for (;;) {
		2901	BDB::flush;
		2902	IO::AIO::flush;
		2903	Coro::cede;
		2904	last unless IO::AIO::nreqs || BDB::nreqs;
		2905	warn "iterate...";
		2906	}
		2907
		2908	++$RELOAD;
		2909
2333	warn "cancel all extension coros";	2910	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	2911	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	2912	%EXT_CORO = ();
2336		2913
2337	warn "remove commands";	2914	warn "removing commands";
2338	%COMMAND = ();	2915	%COMMAND = ();
2339		2916
2340	warn "remove ext commands";	2917	warn "removing ext/exti commands";
2341	%EXTCMD = ();	2918	%EXTCMD = ();
		2919	%EXTICMD = ();
2342		2920
2343	warn "unload/nuke all extensions";	2921	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	2922	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	2923	warn "... unloading $pkg";
2346		2924
2347	if (my $cb = $pkg->can ("unload")) {	2925	if (my $cb = $pkg->can ("unload")) {
2348	eval {	2926	eval {
…		…
2353		2931
2354	warn "... nuking $pkg";	2932	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	2933	Symbol::delete_package $pkg;
2356	}	2934	}
2357		2935
2358	warn "unload all perl modules loaded from $LIBDIR";	2936	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	2937	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		2939
2362	warn "removing <$k>";	2940	warn "... unloading $k";
2363	delete $INC{$k};	2941	delete $INC{$k};
2364		2942
2365	$k =~ s/\.pm$//;	2943	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	2944	$k =~ s/\//::/g;
2367		2945
…		…
2370	}	2948	}
2371		2949
2372	Symbol::delete_package $k;	2950	Symbol::delete_package $k;
2373	}	2951	}
2374		2952
2375	warn "get rid of safe::, as good as possible";	2953	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	2954	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		2956
2379	warn "unload cf.pm \"a bit\"";	2957	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	2958	delete $INC{"cf.pm"};
		2959	delete $INC{"cf/pod.pm"};
2381		2960
2382	# don't, removes xs symbols, too,	2961	# don't, removes xs symbols, too,
2383	# and global variables created in xs	2962	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	2963	#Symbol::delete_package __PACKAGE__;
2385		2964
		2965	warn "unload completed, starting to reload now";
		2966
2386	warn "reloading cf.pm";	2967	warn "reloading cf.pm";
2387	require cf;	2968	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2969	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		2970
2390	warn "load config and database again";	2971	warn "loading config and database again";
2391	cf::cfg_load;	2972	cf::cfg_load;
2392	cf::db_load;
2393		2973
2394	warn "load extensions";	2974	warn "loading extensions";
2395	cf::load_extensions;	2975	cf::load_extensions;
2396		2976
2397	warn "reattach attachments to objects/players";	2977	warn "reattaching attachments to objects/players";
2398	_global_reattach;	2978	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	2979	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	2980	reattach $_ for values %MAP;
2401	};	2981	warn "reattaching attachments to players";
		2982	reattach $_ for values %PLAYER;
2402		2983
2403	if ($@) {	2984	warn "leaving sync_job";
		2985
		2986	1
		2987	} or do {
2404	warn $@;	2988	warn $@;
2405	warn "error while reloading, exiting.";	2989	warn "error while reloading, exiting.";
2406	exit 1;	2990	exit 1;
2407	}	2991	};
2408		2992
2409	warn "reloaded";	2993	warn "reloaded";
2410	};	2994	};
2411		2995
2412	#############################################################################	2996	our $RELOAD_WATCHER; # used only during reload
2413		2997
2414	unless ($LINK_MAP) {	2998	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	2999	# doing reload synchronously and two reloads happen back-to-back,
		3000	# coro crashes during coro_state_free->destroy here.
2416		3001
2417	$LINK_MAP->width (41);	3002	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3003	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3004	after => 0,
		3005	data => WF_AUTOCANCEL,
2427	cb => sub {	3006	cb => sub {
2428	$_[0]->w->cancel;	3007	do_reload_perl;
2429		3008	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3009	},
2448		3010	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3011	}
2454		3012
2455	register_command "reload" => sub {	3013	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3014	my ($who, $arg) = @_;
2457		3015
2458	if ($who->flag (FLAG_WIZ)) {	3016	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3017	$who->message ("reloading server.");
		3018	async { reload_perl };
2462	}	3019	}
2463	};	3020	};
2464		3021
2465	unshift @INC, $LIBDIR;	3022	unshift @INC, $LIBDIR;
2466		3023
		3024	my $bug_warning = 0;
		3025
		3026	our @WAIT_FOR_TICK;
		3027	our @WAIT_FOR_TICK_BEGIN;
		3028
		3029	sub wait_for_tick {
		3030	return unless $TICK_WATCHER->is_active;
		3031	return if $Coro::current == $Coro::main;
		3032
		3033	my $signal = new Coro::Signal;
		3034	push @WAIT_FOR_TICK, $signal;
		3035	$signal->wait;
		3036	}
		3037
		3038	sub wait_for_tick_begin {
		3039	return unless $TICK_WATCHER->is_active;
		3040	return if $Coro::current == $Coro::main;
		3041
		3042	my $signal = new Coro::Signal;
		3043	push @WAIT_FOR_TICK_BEGIN, $signal;
		3044	$signal->wait;
		3045	}
		3046
		3047	my $min = 1e6;#d#
		3048	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3049	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3050	reentrant => 0,
		3051	parked => 1,
2469	prio => 0,	3052	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3053	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3054	data => WF_AUTOCANCEL,
2472	cb => sub {	3055	cb => sub {
		3056	if ($Coro::current != $Coro::main) {
		3057	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3058	unless ++$bug_warning > 10;
		3059	return;
		3060	}
		3061
2473	$NOW = Event::time;	3062	$NOW = $tick_start = Event::time;
2474		3063
2475	cf::server_tick; # one server iteration	3064	cf::server_tick; # one server iteration
		3065
		3066	0 && sync_job {#d#
		3067	for(1..10) {
		3068	my $t = Event::time;
		3069	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3070	or die;
		3071
		3072	$map->width (50);
		3073	$map->height (50);
		3074	$map->alloc;
		3075	$map->_load_objects ("/tmp/x.map", 1);
		3076	my $t = Event::time - $t;
		3077
		3078	#next unless $t < 0.0013;#d#
		3079	if ($t < $min) {
		3080	$min = $t;
		3081	}
		3082	$avg = $avg * 0.99 + $t * 0.01;
		3083	}
		3084	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3085	exit 0;
		3086	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3087	};
		3088
2476	$RUNTIME += $TICK;	3089	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3090	$NEXT_TICK += $TICK;
2478		3091
2479	$WAIT_FOR_TICK->broadcast;	3092	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3093	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3094	Coro::async_pool {
		3095	write_runtime
		3096	or warn "ERROR: unable to write runtime file: $!";
		3097	};
		3098	}
		3099
		3100	# my $AFTER = Event::time;
		3101	# warn $AFTER - $NOW;#d#
		3102
		3103	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3104	$sig->send;
		3105	}
		3106	while (my $sig = shift @WAIT_FOR_TICK) {
		3107	$sig->send;
		3108	}
		3109
		3110	$NOW = Event::time;
2481		3111
2482	# if we are delayed by four ticks or more, skip them all	3112	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3113	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3114
2485	$TICK_WATCHER->at ($NEXT_TICK);	3115	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3116	$TICK_WATCHER->start;
		3117
		3118	$LOAD = ($NOW - $tick_start) / $TICK;
		3119	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3120
		3121	_post_tick;
		3122
		3123
2487	},	3124	},
2488	);	3125	);
2489		3126
		3127	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3128	BDB::max_poll_time $TICK * 0.1;
2491		3129	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3130	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3131	fd => BDB::poll_fileno,
2494	poll => 'r',	3132	poll => 'r',
2495	prio => 5,	3133	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3134	data => WF_AUTOCANCEL,
2502	after => 0,	3135	cb => \&BDB::poll_cb,
2503	interval => 10,	3136	);
2504	cb => sub {	3137	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3138
2506	write_runtime	3139	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3140	my $status;
		3141	my $current = $Coro::current;
		3142	(
		3143	sub {
		3144	$status = $!;
		3145	$current->ready; undef $current;
		3146	},
		3147	sub {
		3148	Coro::schedule while defined $current;
		3149	$! = $status;
		3150	},
		3151	)
		3152	};
		3153
		3154	unless ($DB_ENV) {
		3155	$DB_ENV = BDB::db_env_create;
		3156
		3157	cf::sync_job {
		3158	eval {
		3159	BDB::db_env_open
		3160	$DB_ENV,
		3161	$BDBDIR,
		3162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3164	0666;
		3165
		3166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3167
		3168	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3169	$DB_ENV->set_lk_detect;
		3170	};
		3171
		3172	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3173	};
2509	},	3174	}
2510	);	3175	}
		3176
		3177	{
		3178	IO::AIO::min_parallel 8;
		3179
		3180	undef $Coro::AIO::WATCHER;
		3181	IO::AIO::max_poll_time $TICK * 0.1;
		3182	$AIO_POLL_WATCHER = Event->io (
		3183	reentrant => 0,
		3184	data => WF_AUTOCANCEL,
		3185	fd => IO::AIO::poll_fileno,
		3186	poll => 'r',
		3187	prio => 6,
		3188	cb => \&IO::AIO::poll_cb,
		3189	);
		3190	}
		3191
		3192	my $_log_backtrace;
		3193
		3194	sub _log_backtrace {
		3195	my ($msg, @addr) = @_;
		3196
		3197	$msg =~ s/\n//;
		3198
		3199	# limit the # of concurrent backtraces
		3200	if ($_log_backtrace < 2) {
		3201	++$_log_backtrace;
		3202	async {
		3203	my @bt = fork_call {
		3204	@addr = map { sprintf "%x", $_ } @addr;
		3205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3207	or die "addr2line: $!";
		3208
		3209	my @funcs;
		3210	my @res = <$fh>;
		3211	chomp for @res;
		3212	while (@res) {
		3213	my ($func, $line) = splice @res, 0, 2, ();
		3214	push @funcs, "[$func] $line";
		3215	}
		3216
		3217	@funcs
		3218	};
		3219
		3220	LOG llevInfo, "[ABT] $msg\n";
		3221	LOG llevInfo, "[ABT] $_\n" for @bt;
		3222	--$_log_backtrace;
		3223	};
		3224	} else {
		3225	LOG llevInfo, "[ABT] $msg\n";
		3226	LOG llevInfo, "[ABT] [suppressed]\n";
		3227	}
		3228	}
		3229
		3230	# load additional modules
		3231	use cf::pod;
2511		3232
2512	END { cf::emergency_save }	3233	END { cf::emergency_save }
2513		3234
2514	1	3235	1
2515		3236

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