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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.286 by root, Sun Jun 24 04:27:20 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 = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
61		98
62	binmode STDOUT;	99	binmode STDOUT;
63	binmode STDERR;	100	binmode STDERR;
64		101
65	# read virtual server time, if available	102	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
70	}	107	}
71		108
72	mkdir cf::localdir;	109	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		111
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
81		115
82	#############################################################################	116	#############################################################################
83		117
84	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
85		119
…		…
92	=item $cf::RUNTIME	126	=item $cf::RUNTIME
93		127
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	129	every server tick.
96		130
97	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		134
99	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
101		139
102	=item $cf::NOW	140	=item $cf::NOW
103		141
104	The time of the last (current) server tick.	142	The time of the last (current) server tick.
105		143
106	=item $cf::TICK	144	=item $cf::TICK
107		145
108	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
109		157
110	=item %cf::CFG	158	=item %cf::CFG
111		159
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	161	from wherever your confdir points to.
114		162
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		164
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		168
122	=back	169	=back
123		170
124	=cut	171	=cut
125		172
126	BEGIN {	173	BEGIN {
127	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	175	my $msg = join "", @_;
129	utf8::encode $msg;
130		176
131	$msg .= "\n"	177	$msg .= "\n"
132	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
133		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
134	LOG llevError, $msg;	183	LOG llevError, $msg;
135	};	184	};
136	}	185	}
137		186
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		194
145	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	196	# within the Safe compartment.
147	for my $pkg (qw(	197	for my $pkg (qw(
148	cf::global cf::attachable	198	cf::global cf::attachable
…		…
157		207
158	$Event::DIED = sub {	208	$Event::DIED = sub {
159	warn "error in event callback: @_";	209	warn "error in event callback: @_";
160	};	210	};
161		211
162	my %ext_pkg;	212	#############################################################################
163	my @exts;
164	my @hook;
165		213
166	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
167		215
168	=over 4	216	=over 4
169		217
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	237	$d
190	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
191	}	239	}
192		240
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		242
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		250
217	=item cf::lock_wait $string	251	=item cf::lock_wait $string
218		252
219	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
220		254
…		…
226	returned.	260	returned.
227		261
228	Lock names should begin with a unique identifier (for example, cf::map::find	262	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
230		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
231	=cut	269	=cut
232		270
233	our %LOCK;	271	our %LOCK;
234		272
235	sub lock_wait($) {	273	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
256	}	294	}
257	}	295	}
258		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
259	sub freeze_mainloop {	303	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
261		305
262	my $guard = Coro::guard { $TICK_WATCHER->start };	306	my $guard = Coro::guard {
		307	$TICK_WATCHER->start;
		308	};
263	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
264	$guard	310	$guard
265	}	311	}
266		312
267	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
274		320
275	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
276		322
277	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
278		324
279	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
282		329
283	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
286	fast or be very important.	333	fast or be very important.
…		…
289		336
290	sub sync_job(&) {	337	sub sync_job(&) {
291	my ($job) = @_;	338	my ($job) = @_;
292		339
293	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
294	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
296		345
297	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
309		358
310	while ($busy) {	359	while ($busy) {
311	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
312	}	361	}
313		362
		363	$time = Event::time - $time;
		364
		365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		367
		368	$tick_start += $time; # do not account sync jobs to server load
		369
314	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
315	} else {	371	} else {
316	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
317		373
318	$job->()	374	$job->()
319	}	375	}
320	}	376	}
321		377
322	=item $coro = cf::async_ext { BLOCK }	378	=item $coro = cf::async_ext { BLOCK }
323		379
324	Like async, but this coro is automcatially being canceled when the	380	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	381	extension calling this is being unloaded.
326		382
327	=cut	383	=cut
328		384
329	sub async_ext(&) {	385	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
338		394
339	$coro	395	$coro
340	}	396	}
341		397
342	sub write_runtime {	398	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		399
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
346	or return;	401	process, returning the results. Everything must be serialisable with
		402	Coro::Storable. May, of course, block. Note that the executed sub may
		403	never block itself or use any form of Event handling.
347		404
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	405	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		406
352	aio_fsync $fh	407	sub fork_call(&@) {
353	and return;	408	my ($cb, @args) = @_;
354		409
		410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
		414
		415	if (my $pid = fork) {
355	close $fh	416	close $fh2;
356	or return;
357		417
358	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
359	and return;	419	$res = Coro::Storable::thaw $res;
360		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
361	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		473	my $key = "$_[0]/$_[1]";
		474
		475	cf::sync_job {
		476	BDB::db_get $DB, undef, $key, my $data;
		477
		478	$! ? ()
		479	: $data
		480	}
		481	}
		482
		483	sub db_put($$$) {
		484	BDB::dbreq_pri 4;
		485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		486	}
		487
		488	=item cf::cache $id => [$paths...], $processversion => $process
		489
		490	Generic caching function that returns the value of the resource $id,
		491	caching and regenerating as required.
		492
		493	This function can block.
		494
		495	=cut
		496
		497	sub cache {
		498	my ($id, $src, $processversion, $process) = @_;
		499
		500	my $meta =
		501	join "\x00",
		502	$processversion,
		503	map {
		504	aio_stat $_
		505	and Carp::croak "$_: $!";
		506
		507	($_, (stat _)[7,9])
		508	} @$src;
		509
		510	my $dbmeta = db_get cache => "$id/meta";
		511	if ($dbmeta ne $meta) {
		512	# changed, we may need to process
		513
		514	my @data;
		515	my $md5;
		516
		517	for (0 .. $#$src) {
		518	0 <= aio_load $src->[$_], $data[$_]
		519	or Carp::croak "$src->[$_]: $!";
		520	}
		521
		522	# if processing is expensive, check
		523	# checksum first
		524	if (1) {
		525	$md5 =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	Coro::cede;
		530	($src->[$_], Digest::MD5::md5_hex $data[$_])
		531	} 0.. $#$src;
		532
		533
		534	my $dbmd5 = db_get cache => "$id/md5";
		535	if ($dbmd5 eq $md5) {
		536	db_put cache => "$id/meta", $meta;
		537
		538	return db_get cache => "$id/data";
		539	}
		540	}
		541
		542	my $t1 = Time::HiRes::time;
		543	my $data = $process->(\@data);
		544	my $t2 = Time::HiRes::time;
		545
		546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		547
		548	db_put cache => "$id/data", $data;
		549	db_put cache => "$id/md5" , $md5;
		550	db_put cache => "$id/meta", $meta;
		551
		552	return $data;
		553	}
		554
		555	db_get cache => "$id/data"
		556	}
		557
		558	=item cf::datalog type => key => value, ...
		559
		560	Log a datalog packet of the given type with the given key-value pairs.
		561
		562	=cut
		563
		564	sub datalog($@) {
		565	my ($type, %kv) = @_;
		566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	567	}
363		568
364	=back	569	=back
365		570
366	=cut	571	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		572
495	#############################################################################	573	#############################################################################
496		574
497	=head2 ATTACHABLE OBJECTS	575	=head2 ATTACHABLE OBJECTS
498		576
…		…
500	attach callbacks/event handlers (a collection of which is called an "attachment")	578	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
502		580
503	In the following description, CLASS can be any of C<global>, C<object>	581	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	582	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	583	Crossfire TRT).
506		584
507	=over 4	585	=over 4
508		586
509	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
510		588
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	702	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	703	our @CB_MAP = ();
626		704
627	my %attachment;	705	my %attachment;
628		706
		707	sub cf::attachable::thawer_merge {
		708	# simply override everything except _meta
		709	local $_[0]{_meta};
		710	%{$_[0]} = %{$_[1]};
		711	}
		712
629	sub _attach_cb($$$$) {	713	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	714	my ($registry, $event, $prio, $cb) = @_;
631		715
632	use sort 'stable';	716	use sort 'stable';
633		717
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
668		752
669	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		757
674	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	759	my $pkg = shift @arg;
676		760
677	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
707	}	791	}
708		792
709	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
710	} else {	794	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	796	}
713		797
714	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
715	}	799	}
716		800
…		…
718	if (ref $_[0]) {	802	if (ref $_[0]) {
719	_object_attach @_;	803	_object_attach @_;
720	} else {	804	} else {
721	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
722	}	806	}
		807	_recalc_want;
723	};	808	};
724		809
725	# all those should be optimised	810	# all those should be optimised
726	sub cf::attachable::detach {	811	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
731	reattach ($obj);	816	reattach ($obj);
732	} else {	817	} else {
733	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
734	}	819	}
		820	_recalc_want;
735	};	821	};
736		822
737	sub cf::attachable::attached {	823	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
739		825
…		…
804	# object support	890	# object support
805		891
806	sub reattach {	892	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	893	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	894	my ($obj) = @_;
		895
		896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		897
810	my $registry = $obj->registry;	898	my $registry = $obj->registry;
811		899
812	@$registry = ();	900	@$registry = ();
813		901
…		…
860	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
861		949
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	954	close $fh;
867		955
868	if (@$objs) {	956	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	962	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
876	}	964	}
877	} else {	965	} else {
878	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
910	or return;	998	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1000	}
913		1001
914	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
916	return ($data, $av);	1004	return ($data, $av);
917	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
918		1012
919	#############################################################################	1013	#############################################################################
920	# command handling &c	1014	# command handling &c
921		1015
922	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1030	}
937		1031
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1033
940	Register a callbackf ro execution when the client sends an extcmd packet.	1034	Register a callback fro execution when the client sends an extcmd packet.
941		1035
942	If the callback returns something, it is sent back as if reply was being	1036	If the callback returns something, it is sent back as if reply was being
943	called.	1037	called.
944		1038
945	=cut	1039	=cut
946		1040
947	sub register_extcmd {	1041	sub register_extcmd {
948	my ($name, $cb) = @_;	1042	my ($name, $cb) = @_;
949		1043
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1044	$EXTCMD{$name} = $cb;
954	}	1045	}
955		1046
956	cf::player->attach (	1047	cf::player->attach (
957	on_command => sub {	1048	on_command => sub {
958	my ($pl, $name, $params) = @_;	1049	my ($pl, $name, $params) = @_;
…		…
971		1062
972	my $msg = eval { from_json $buf };	1063	my $msg = eval { from_json $buf };
973		1064
974	if (ref $msg) {	1065	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1067	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	1068	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	1069	}
979	}	1070	}
980	} else {	1071	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		1074
984	cf::override;	1075	cf::override;
985	},	1076	},
986	);	1077	);
987		1078
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
1065	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1084	next unless -r $path;
1067	eval {	1085
1068	load_extension $ext;	1086	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1087	my $base = $1;
		1088	my $pkg = $1;
		1089	$pkg =~ s/[^[:word:]]/_/g;
		1090	$pkg = "ext::$pkg";
		1091
		1092	open my $fh, "<:utf8", $path
		1093	or die "$path: $!";
		1094
		1095	my $source = do { local $/; <$fh> };
		1096
		1097	my %ext = (
		1098	path => $path,
		1099	base => $base,
		1100	pkg => $pkg,
		1101	);
		1102
		1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1105
		1106	$ext{source} =
		1107	"package $pkg; use strict; use utf8;\n"
		1108	. "#line 1 \"$path\"\n{\n"
		1109	. $source
		1110	. "\n};\n1";
		1111
		1112	$todo{$base} = \%ext;
		1113	}
		1114
		1115	my %done;
		1116	while (%todo) {
		1117	my $progress;
		1118
		1119	while (my ($k, $v) = each %todo) {
		1120	for (split /,\s*/, $v->{meta}{depends}) {
		1121	goto skip
		1122	unless exists $done{$_};
		1123	}
		1124
		1125	warn "... loading '$k' into '$v->{pkg}'\n";
		1126
		1127	unless (eval $v->{source}) {
		1128	my $msg = $@ ? "$v->{path}: $@\n"
		1129	: "$v->{base}: extension inactive.\n";
		1130
		1131	if (exists $v->{meta}{mandatory}) {
		1132	warn $msg;
		1133	warn "mandatory extension failed to load, exiting.\n";
		1134	exit 1;
		1135	}
		1136
		1137	warn $msg;
		1138	}
		1139
		1140	$done{$k} = delete $todo{$k};
		1141	push @EXTS, $v->{pkg};
		1142	$progress = 1;
1069	1	1143	}
1070	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
1071	}	1149	};
1072	}	1150	}
1073		1151
1074	#############################################################################	1152	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1153
1077	*cf::mapsupport::on_clean = sub {	1154	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1155
1090	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
1091		1157
1092	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
1093		1159
…		…
1106	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
1107		1173
1108	=cut	1174	=cut
1109		1175
1110	sub playerdir($) {	1176	sub playerdir($) {
1111	cf::localdir	1177	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1179	}
1117		1180
1118	sub path($) {	1181	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1183
1121	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
1122	}	1185	}
1123		1186
1124	sub find_active($) {	1187	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
1129		1192
1130	sub exists($) {	1193	sub exists($) {
1131	my ($login) = @_;	1194	my ($login) = @_;
1132		1195
1133	$cf::PLAYER{$login}	1196	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1197	or cf::sync_job { !aio_stat path $login }
1135	}	1198	}
1136		1199
1137	sub find($) {	1200	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1201	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1202	my $login = $_[0];
1140		1203
1141	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
1142		1205
1143	$cf::PLAYER{$_[0]} || do {	1206	$cf::PLAYER{$_[0]} || do {
		1207	# rename old playerfiles to new ones
		1208	#TODO: remove when no longer required
		1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1212	aio_unlink +(playerdir $login) . "/$login.pl";
		1213
1144	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
1145	or return;	1215	or return;
1146	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
1147	}	1217	}
1148	}	1218	}
…		…
1185		1255
1186	=cut	1256	=cut
1187		1257
1188	sub quit_character {	1258	sub quit_character {
1189	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1190		1262
1191	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1264	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1265
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1275	$pl->destroy;
		1276
		1277	my $prefix = qr<^~\Q$name\E/>;
		1278
		1279	# nuke player maps
		1280	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1281
1204	IO::AIO::aio_rmtree $temp;	1282	IO::AIO::aio_rmtree $temp;
		1283	}
		1284
		1285	=item $pl->kick
		1286
		1287	Kicks a player out of the game. This destroys the connection.
		1288
		1289	=cut
		1290
		1291	sub kick {
		1292	my ($pl, $kicker) = @_;
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1295	$pl->killer ("kicked");
		1296	$pl->ns->destroy;
1205	}	1297	}
1206		1298
1207	=item cf::player::list_logins	1299	=item cf::player::list_logins
1208		1300
1209	Returns am arrayref of all valid playernames in the system, can take a	1301	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1211		1303
1212	=cut	1304	=cut
1213		1305
1214	sub list_logins {	1306	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1308	or return [];
1217		1309
1218	my @logins;	1310	my @logins;
1219		1311
1220	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1229	\@logins	1321	\@logins
1230	}	1322	}
1231		1323
1232	=item $player->maps	1324	=item $player->maps
1233		1325
1234	Returns an arrayref of cf::path's of all maps that are private for this	1326	Returns an arrayref of map paths that are private for this
1235	player. May block.	1327	player. May block.
1236		1328
1237	=cut	1329	=cut
1238		1330
1239	sub maps($) {	1331	sub maps($) {
1240	my ($pl) = @_;	1332	my ($pl) = @_;
		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1335
1242	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1243	or return;	1337	or return;
1244		1338
1245	my @paths;	1339	my @paths;
…		…
1247	for (@$files) {	1341	for (@$files) {
1248	utf8::decode $_;	1342	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1251		1345
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1346	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1347	}
1254		1348
1255	\@paths	1349	\@paths
1256	}	1350	}
1257		1351
		1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1353
		1354	Expand crossfire pod fragments into protocol xml.
		1355
		1356	=cut
		1357
		1358	sub expand_cfpod {
		1359	((my $self), (local $_)) = @_;
		1360
		1361	# escape & and <
		1362	s/&/&amp;/g;
		1363	s/(?<![BIUGH])</&lt;/g;
		1364
		1365	# this is buggy, it needs to properly take care of nested <'s
		1366
		1367	1 while
		1368	# replace B<>, I<>, U<> etc.
		1369	s/B<([^\>]*)>/<b>$1<\/b>/
		1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1372	# replace G<male|female> tags
		1373	|| s{G<([^>|]*)\|([^>]*)>}{
		1374	$self->gender ? $2 : $1
		1375	}ge
		1376	# replace H<hint text>
		1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
		1378
		1379	# create single paragraphs (very hackish)
		1380	s/(?<=\S)\n(?=\w)/ /g;
		1381
		1382	$_
		1383	}
		1384
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1259		1386
1260	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1261		1388
1262	=cut	1389	=cut
1263		1390
1264	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1266		1393
1267	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1268		1395
1269	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1270	}	1397	}
1271		1398
1272	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		1406	my ($self, $type, %msg) = @_;
		1407
		1408	$self->ns->ext_event ($type, %msg);
		1409	}
		1410
		1411	=head3 cf::region
		1412
		1413	=over 4
		1414
		1415	=cut
		1416
		1417	package cf::region;
		1418
		1419	=item cf::region::find_by_path $path
		1420
		1421	Tries to decuce the likely region for a map knowing only its path.
		1422
		1423	=cut
		1424
		1425	sub find_by_path($) {
		1426	my ($path) = @_;
		1427
		1428	my ($match, $specificity);
		1429
		1430	for my $region (list) {
		1431	if ($region->match && $path =~ $region->match) {
		1432	($match, $specificity) = ($region, $region->specificity)
		1433	if $region->specificity > $specificity;
		1434	}
		1435	}
		1436
		1437	$match
		1438	}
1273		1439
1274	=back	1440	=back
1275
1276		1441
1277	=head3 cf::map	1442	=head3 cf::map
1278		1443
1279	=over 4	1444	=over 4
1280		1445
…		…
1283	package cf::map;	1448	package cf::map;
1284		1449
1285	use Fcntl;	1450	use Fcntl;
1286	use Coro::AIO;	1451	use Coro::AIO;
1287		1452
		1453	use overload
		1454	'""' => \&as_string,
		1455	fallback => 1;
		1456
1288	our $MAX_RESET = 3600;	1457	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1458	our $DEFAULT_RESET = 3000;
1290		1459
1291	sub generate_random_map {	1460	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1461	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1462	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1463	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1467	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1468	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1474	(cf::region::find $rmp->{region}), $rmp->{custom}
		1475	)
		1476	}
		1477
		1478	=item cf::map->register ($regex, $prio)
		1479
		1480	Register a handler for the map path matching the given regex at the
		1481	givne priority (higher is better, built-in handlers have priority 0, the
		1482	default).
		1483
		1484	=cut
		1485
		1486	sub register {
		1487	my (undef, $regex, $prio) = @_;
		1488	my $pkg = caller;
		1489
		1490	no strict;
		1491	push @{"$pkg\::ISA"}, __PACKAGE__;
		1492
		1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1494	}
		1495
		1496	# also paths starting with '/'
		1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1498
		1499	sub thawer_merge {
		1500	my ($self, $merge) = @_;
		1501
		1502	# we have to keep some variables in memory intact
		1503	local $self->{path};
		1504	local $self->{load_path};
		1505
		1506	$self->SUPER::thawer_merge ($merge);
		1507	}
		1508
		1509	sub normalise {
		1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
		1515
		1516	# map plan:
		1517	#
		1518	# /! non-realised random map exit (special hack!)
		1519	# {... are special paths that are not being touched
		1520	# ?xxx/... are special absolute paths
		1521	# ?random/... random maps
		1522	# /... normal maps
		1523	# ~user/... per-player map of a specific user
		1524
		1525	$path =~ s/$PATH_SEP/\//go;
		1526
		1527	# treat it as relative path if it starts with
		1528	# something that looks reasonable
		1529	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1530	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1531
		1532	$base =~ s{[^/]+/?$}{};
		1533	$path = "$base/$path";
		1534	}
		1535
		1536	for ($path) {
		1537	redo if s{//}{/};
		1538	redo if s{/\.?/}{/};
		1539	redo if s{/[^/]+/\.\./}{/};
		1540	}
		1541
		1542	$path
		1543	}
		1544
		1545	sub new_from_path {
		1546	my (undef, $path, $base) = @_;
		1547
		1548	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1549
		1550	$path = normalise $path, $base;
		1551
		1552	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1553	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1554	my $self = bless cf::map::new, $pkg;
		1555	$self->{path} = $path; $self->path ($path);
		1556	$self->init; # pass $1 etc.
		1557	return $self;
		1558	}
		1559	}
		1560
		1561	Carp::carp "unable to resolve path '$path' (base '$base').";
		1562	()
		1563	}
		1564
		1565	sub init {
		1566	my ($self) = @_;
		1567
		1568	$self
		1569	}
		1570
		1571	sub as_string {
		1572	my ($self) = @_;
		1573
		1574	"$self->{path}"
		1575	}
		1576
		1577	# the displayed name, this is a one way mapping
		1578	sub visible_name {
		1579	&as_string
		1580	}
		1581
		1582	# the original (read-only) location
		1583	sub load_path {
		1584	my ($self) = @_;
		1585
		1586	"$MAPDIR/$self->{path}.map"
		1587	}
		1588
		1589	# the temporary/swap location
		1590	sub save_path {
		1591	my ($self) = @_;
		1592
		1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1594	"$TMPDIR/$path.map"
		1595	}
		1596
		1597	# the unique path, undef == no special unique path
		1598	sub uniq_path {
		1599	my ($self) = @_;
		1600
		1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1602	"$UNIQUEDIR/$path"
1308	}	1603	}
1309		1604
1310	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1311	# all maps in C++...	1606	# all maps in C++...
1312	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1314		1609
1315	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1317	}	1612	}
1318		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
		1622	sub unlink_save {
		1623	my ($self) = @_;
		1624
		1625	utf8::encode (my $save = $self->save_path);
		1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1627	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1628	}
		1629
1319	sub try_load_header($) {	1630	sub load_header_from($) {
1320	my ($path) = @_;	1631	my ($self, $path) = @_;
1321		1632
1322	utf8::encode $path;	1633	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
		1635	# or return;
		1636
		1637	$self->_load_header ($path)
1324	or return;	1638	or return;
1325		1639
1326	my $map = cf::map::new	1640	$self->{load_path} = $path;
		1641
		1642	1
		1643	}
		1644
		1645	sub load_header_orig {
		1646	my ($self) = @_;
		1647
		1648	$self->load_header_from ($self->load_path)
		1649	}
		1650
		1651	sub load_header_temp {
		1652	my ($self) = @_;
		1653
		1654	$self->load_header_from ($self->save_path)
		1655	}
		1656
		1657	sub prepare_temp {
		1658	my ($self) = @_;
		1659
		1660	$self->last_access ((delete $self->{last_access})
		1661	|| $cf::RUNTIME); #d#
		1662	# safety
		1663	$self->{instantiate_time} = $cf::RUNTIME
		1664	if $self->{instantiate_time} > $cf::RUNTIME;
		1665	}
		1666
		1667	sub prepare_orig {
		1668	my ($self) = @_;
		1669
		1670	$self->{load_original} = 1;
		1671	$self->{instantiate_time} = $cf::RUNTIME;
		1672	$self->last_access ($cf::RUNTIME);
		1673	$self->instantiate;
		1674	}
		1675
		1676	sub load_header {
		1677	my ($self) = @_;
		1678
		1679	if ($self->load_header_temp) {
		1680	$self->prepare_temp;
		1681	} else {
		1682	$self->load_header_orig
1327	or return;	1683	or return;
		1684	$self->prepare_orig;
		1685	}
1328		1686
1329	# for better error messages only, will be overwritten	1687	$self->{deny_reset} = 1
1330	$map->path ($path);	1688	if $self->no_reset;
1331		1689
1332	$map->load_header ($path)	1690	$self->default_region (cf::region::find_by_path $self->{path})
1333	or return;	1691	unless $self->default_region;
1334		1692
1335	$map->{load_path} = $path;	1693	1
1336
1337	$map
1338	}	1694	}
1339		1695
1340	sub find;	1696	sub find;
1341	sub find {	1697	sub find {
1342	my ($path, $origin) = @_;	1698	my ($path, $origin) = @_;
1343		1699
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1700	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1701
1349	cf::lock_wait "map_find:$key";	1702	cf::lock_wait "map_find:$path";
1350		1703
1351	$cf::MAP{$key} || do {	1704	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1705	my $guard = cf::lock_acquire "map_find:$path";
1353		1706	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1707	or return;
1373		1708
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1386		1710
1387	Coro::cede;	1711	$map->load_header
		1712	or return;
1388		1713
1389	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1715	# doing this can freeze the server in a sync job, obviously
		1716	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1717	$map->reset;
1391	undef $guard;	1718	undef $guard;
1392	$map = find $path	1719	return find $path;
1393	or return;
1394	}	1720	}
1395		1721
1396	$cf::MAP{$key} = $map	1722	$cf::MAP{$path} = $map
1397	}	1723	}
1398	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1399		1728
1400	sub load {	1729	sub load {
1401	my ($self) = @_;	1730	my ($self) = @_;
1402		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1403	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1737	my $guard = cf::lock_acquire "map_load:$path";
1405		1738
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1740
1408	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1409		1742
1410	$self->alloc;	1743	$self->alloc;
		1744
		1745	$self->pre_load;
		1746	Coro::cede;
		1747
1411	$self->load_objects ($self->{load_path}, 1)	1748	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1749	or return;
1413		1750
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1752	if delete $self->{load_original};
1416		1753
1417	if (my $uniq = $path->uniq_path) {	1754	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1755	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1756	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1757	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1758	$self->_load_objects ($uniq, 0);
1422	}	1759	}
1423	}	1760	}
1424		1761
1425	Coro::cede;	1762	Coro::cede;
1426
1427	# now do the right thing for maps	1763	# now do the right thing for maps
1428	$self->link_multipart_objects;	1764	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1766	unless $self->difficulty;
		1767	Coro::cede;
		1768
		1769	unless ($self->{deny_activate}) {
		1770	$self->decay_objects;
		1771	$self->fix_auto_apply;
		1772	$self->update_buttons;
		1773	Coro::cede;
		1774	$self->set_darkness_map;
		1775	Coro::cede;
1440	$self->activate;	1776	$self->activate;
1441	}	1777	}
1442		1778
1443	Coro::cede;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
		1783	}
		1784
		1785	sub customise_for {
		1786	my ($self, $ob) = @_;
		1787
		1788	return find "~" . $ob->name . "/" . $self->{path}
		1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
		1793
		1794	$self
1446	}	1795	}
1447		1796
1448	# find and load all maps in the 3x3 area around a map	1797	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1798	sub load_diag {
1450	my ($map) = @_;	1799	my ($map) = @_;
…		…
1480		1829
1481	cf::sync_job { $map->load };	1830	cf::sync_job { $map->load };
1482	}	1831	}
1483		1832
1484	our %MAP_PREFETCH;	1833	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1834	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1835
1500	sub find_async {	1836	sub find_async {
1501	my ($path, $origin) = @_;	1837	my ($path, $origin) = @_;
1502		1838
1503	$path = new cf::path $path, $origin && $origin->path;	1839	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1840
1506	if (my $map = $cf::MAP{$key}) {	1841	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1843	}
1509		1844
1510	$MAP_PREFETCH{$key} = $path;	1845	undef $MAP_PREFETCH{$path};
		1846	$MAP_PREFETCHER ||= cf::async {
		1847	while (%MAP_PREFETCH) {
		1848	for my $path (keys %MAP_PREFETCH) {
		1849	my $map = find $path
		1850	or next;
		1851	$map->load;
		1852
		1853	delete $MAP_PREFETCH{$path};
		1854	}
		1855	}
		1856	undef $MAP_PREFETCHER;
		1857	};
1511	$MAP_PREFETCHER->ready;	1858	$MAP_PREFETCHER->prio (6);
1512		1859
1513	()	1860	()
1514	}	1861	}
1515		1862
1516	sub save {	1863	sub save {
…		…
1520		1867
1521	$self->{last_save} = $cf::RUNTIME;	1868	$self->{last_save} = $cf::RUNTIME;
1522		1869
1523	return unless $self->dirty;	1870	return unless $self->dirty;
1524		1871
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1872	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1873	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1874
1528	$self->{load_path} = $save;	1875	$self->{load_path} = $save;
1529		1876
1530	return if $self->{deny_save};	1877	return if $self->{deny_save};
1531		1878
…		…
1534	cf::async {	1881	cf::async {
1535	$_->contr->save for $self->players;	1882	$_->contr->save for $self->players;
1536	};	1883	};
1537		1884
1538	if ($uniq) {	1885	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1888	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1890	}
1544	}	1891	}
1545		1892
1546	sub swap_out {	1893	sub swap_out {
1547	my ($self) = @_;	1894	my ($self) = @_;
…		…
1561		1908
1562	sub reset_at {	1909	sub reset_at {
1563	my ($self) = @_;	1910	my ($self) = @_;
1564		1911
1565	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1568		1914
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1917
…		…
1576	my ($self) = @_;	1922	my ($self) = @_;
1577		1923
1578	$self->reset_at <= $cf::RUNTIME	1924	$self->reset_at <= $cf::RUNTIME
1579	}	1925	}
1580		1926
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1927	sub reset {
1603	my ($self) = @_;	1928	my ($self) = @_;
1604		1929
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1931
1607	return if $self->players;	1932	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		1933
1610	warn "resetting map ", $self->path;#d#	1934	warn "resetting map ", $self->path;
		1935
		1936	$self->in_memory (cf::MAP_SWAPPED);
		1937
		1938	# need to save uniques path
		1939	unless ($self->{deny_save}) {
		1940	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1941
		1942	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1943	if $uniq;
		1944	}
1611		1945
1612	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
		1947
		1948	$self->clear;
1613		1949
1614	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1615		1951
1616	$self->unlink_save;	1952	$self->unlink_save;
1617	$self->destroy;	1953	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1956	my $nuke_counter = "aaaa";
1621		1957
1622	sub nuke {	1958	sub nuke {
1623	my ($self) = @_;	1959	my ($self) = @_;
1624		1960
		1961	delete $cf::MAP{$self->path};
		1962
		1963	$self->unlink_save;
		1964
		1965	bless $self, "cf::map";
		1966	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1967	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1968	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1970
		1971	$cf::MAP{$self->path} = $self;
		1972
1628	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1629	}	1974	}
1630		1975
1631	sub customise_for {	1976	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		1977
1634	if ($map->per_player) {	1978	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
1636	}	1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
1637		1993
1638	$map	1994	=item $maps = cf::map::random_maps
		1995
		1996	Returns an arrayref with all map paths of currently instantiated and saved
		1997	random maps. May block.
		1998
		1999	=cut
		2000
		2001	sub random_maps() {
		2002	[
		2003	map {
		2004	utf8::decode $_;
		2005	/\.map$/
		2006	? normalise "?random/$_"
		2007	: ()
		2008	} @{ aio_readdir $RANDOMDIR or [] }
		2009	]
1639	}	2010	}
1640		2011
1641	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1642		2013
1643	Returns an arrayref of cf::path's of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2015	instantiated unique items. May block.
1645		2016
1646	=cut	2017	=cut
1647		2018
1648	sub unique_maps() {	2019	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1650	or return;	2021	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2022	utf8::decode $_;
1656	next if /\.pst$/;	2023	/\.map$/
1657	next unless /^$PATH_SEP/o;	2024	? normalise $_
1658		2025	: ()
1659	push @paths, new cf::path $_;	2026	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2027	]
1661
1662	\@paths
1663	}	2028	}
1664		2029
1665	package cf;	2030	package cf;
1666		2031
1667	=back	2032	=back
…		…
1713		2078
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2080
1716	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1718	} else {	2084	} else {
		2085	my $pl = $self->contr;
		2086
		2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2088	my $diag = $pl->{npc_dialog};
		2089	$diag->{pl}->ext_reply (
		2090	$diag->{id},
		2091	msgtype => "reply",
		2092	msg => $diag->{pl}->expand_cfpod ($msg),
		2093	add_topics => []
		2094	);
		2095
		2096	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1721	}	2100	}
1722	}	2101	}
1723		2102
1724	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1725		2104
…		…
1739		2118
1740	=item $player_object->enter_link	2119	=item $player_object->enter_link
1741		2120
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2121	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2122
1744	The player should be reaosnably safe there for short amounts of time. You	2123	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2124	I<MUST> call C<leave_link> as soon as possible, though.
1746		2125
		2126	Will never block.
		2127
1747	=item $player_object->leave_link ($map, $x, $y)	2128	=item $player_object->leave_link ($map, $x, $y)
1748		2129
1749	Moves the player out of the specila link map onto the given map. If the	2130	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2131	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2132	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2133	fails, to the emergency map position.
1753		2134
1754	Might block.	2135	Might block.
1755		2136
1756	=cut	2137	=cut
		2138
		2139	sub link_map {
		2140	unless ($LINK_MAP) {
		2141	$LINK_MAP = cf::map::find "{link}"
		2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2143	$LINK_MAP->load;
		2144	}
		2145
		2146	$LINK_MAP
		2147	}
1757		2148
1758	sub cf::object::player::enter_link {	2149	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2150	my ($self) = @_;
1760		2151
1761	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1762		2153
1763	return if $self->map == $LINK_MAP;	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2155
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1767		2158
1768	$self->enter_map ($LINK_MAP, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2160	}
1770		2161
1771	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1773		2166
1774	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1775		2168
1776	unless ($map) {	2169	unless ($map) {
1777	# restore original map position	2170	# restore original map position
…		…
1795	$map->load;	2188	$map->load;
1796	$map->load_diag;	2189	$map->load_diag;
1797		2190
1798	return unless $self->contr->active;	2191	return unless $self->contr->active;
1799	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1801	}	2196	}
1802		2197
1803	cf::player->attach (
1804	on_logout => sub {
1805	my ($pl) = @_;
1806
1807	# abort map switching before logout
1808	if ($pl->ob->{_link_pos}) {
1809	cf::sync_job {
1810	$pl->ob->leave_link
1811	};
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1836		2199
		2200	Moves the player to the given map-path and coordinates by first freezing
		2201	her, loading and preparing them map, calling the provided $check callback
		2202	that has to return the map if sucecssful, and then unfreezes the player on
		2203	the new (success) or old (failed) map position.
		2204
1837	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1838		2208
1839	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
1841		2211
1842	$path = new cf::path $path;	2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2214
1844	$self->enter_link;	2215	$self->enter_link;
1845		2216
1846	(async {	2217	(async {
		2218	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1849		2223	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2226	}
1854		2227
		2228	$map
		2229	};
		2230
		2231	if ($@) {
		2232	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2233	LOG llevError | logBacktrace, Carp::longmess $@;
		2234	}
		2235
		2236	if ($gen == $self->{_goto_generation}) {
		2237	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1856	})->prio (1);	2240	})->prio (1);
1857	}	2241	}
1858		2242
1859	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1860		2244
…		…
1862		2246
1863	sub parse_random_map_params {	2247	sub parse_random_map_params {
1864	my ($spec) = @_;	2248	my ($spec) = @_;
1865		2249
1866	my $rmp = { # defaults	2250	my $rmp = { # defaults
1867	xsize => 10,	2251	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2252	ysize => (cf::rndm 15, 40),
		2253	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2254	#layout => string,
1869	};	2255	};
1870		2256
1871	for (split /\n/, $spec) {	2257	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2258	my ($k, $v) = split /\s+/, $_, 2;
1873		2259
…		…
1877	$rmp	2263	$rmp
1878	}	2264	}
1879		2265
1880	sub prepare_random_map {	2266	sub prepare_random_map {
1881	my ($exit) = @_;	2267	my ($exit) = @_;
		2268
		2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2270
1883	# all this does is basically replace the /! path by	2271	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2272	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2273	# that depends on the exit object
1886		2274
1887	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1888		2276
1889	if ($exit->map) {	2277	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1894	}	2282	}
1895		2283
1896	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1897		2285
1898	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
		2288	my $meta = "$RANDOMDIR/$md5.meta";
1900		2289
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
		2292	undef $fh;
		2293	aio_rename "$meta~", $meta;
1903		2294
1904	$exit->slaying ("?random/$md5");	2295	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2296	$exit->msg (undef);
1906	}	2297	}
1907	}	2298	}
1908		2299
1909	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1911		2302
1912	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
		2304
		2305	if ($exit->slaying eq "/!") {
		2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2307	# the problem is that $exit might not survive long enough
		2308	# so it needs to be done right now, right here
		2309	cf::sync_job { prepare_random_map $exit };
		2310	}
		2311
		2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2313	my $hp = $exit->stats->hp;
		2314	my $sp = $exit->stats->sp;
1913		2315
1914	$self->enter_link;	2316	$self->enter_link;
1915		2317
1916	(async {	2318	(async {
1917	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2320	unless (eval {
1919	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2322
1925	1;	2323	1;
1926	}) {	2324	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2326	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2329
1932	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2331	$self->leave_link;
1934	}	2332	}
1935	})->prio (1);	2333	})->prio (1);
…		…
1948		2346
1949	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1951		2349
1952	utf8::encode $text;	2350	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2352	}
1955		2353
		2354	=item $client->send_msg ($color, $type, $msg, [extra...])
		2355
		2356	Send a drawinfo or msg packet to the client, formatting the msg for the
		2357	client if neccessary. C<$type> should be a string identifying the type of
		2358	the message, with C<log> being the default. If C<$color> is negative, suppress
		2359	the message unless the client supports the msg packet.
		2360
		2361	=cut
		2362
		2363	sub cf::client::send_msg {
		2364	my ($self, $color, $type, $msg, @extra) = @_;
		2365
		2366	$msg = $self->pl->expand_cfpod ($msg);
		2367
		2368	if ($self->can_msg) {
		2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
		2370	} else {
		2371	# replace some tags by gcfclient-compatible ones
		2372	for ($msg) {
		2373	1 while
		2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2379	}
		2380
		2381	if ($color >= 0) {
		2382	if (0 && $msg =~ /\[/) {
		2383	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2384	} else {
		2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2386	$self->send_packet ("drawinfo $color $msg")
		2387	}
		2388	}
		2389	}
		2390	}
		2391
		2392	=item $client->ext_event ($type, %msg)
		2393
		2394	Sends an exti event to the client.
		2395
		2396	=cut
		2397
		2398	sub cf::client::ext_event($$%) {
		2399	my ($self, $type, %msg) = @_;
		2400
		2401	$msg{msgtype} = "event_$type";
		2402	$self->send_packet ("ext " . cf::to_json \%msg);
		2403	}
1956		2404
1957	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1958		2406
1959	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2437	# get handled first
1990	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2439	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2440
1993	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2443
1995	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1996		2445
1997	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2447	if (@$queue) {
…		…
2056		2505
2057	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2058		2507
2059	=pod	2508	=pod
2060		2509
2061	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2062		2511
2063	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2513	cf::object::player player
2065	cf::player peaceful	2514	cf::player peaceful
2066	cf::map trigger	2515	cf::map trigger
…		…
2147	=back	2596	=back
2148		2597
2149	=cut	2598	=cut
2150		2599
2151	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2152		2602
2153	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2154		2605
2155	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2156	currently store anything that can be serialised using Storable, which
2157	excludes objects.
2158		2607
2159	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2160	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2161		2611
2162	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2163		2613
2164	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2165		2616
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key
2171
2172	Returns a single value from the database
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2202		2619
2203	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2204		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2206	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2207	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2208	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2626	}
2251	);
2252	}
2253		2627
2254	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	2629	next unless $info->{smooth};
		2630	my $idx = cf::face::find $face
		2631	or next;
		2632	if (my $smooth = cf::face::find $info->{smooth}) {
		2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2634	} else {
		2635	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2636	}
		2637	Coro::cede;
		2638	}
		2639	}
		2640
		2641	{
		2642	my $anims = $facedata->{animinfo};
		2643
		2644	while (my ($anim, $info) = each %$anims) {
		2645	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2646	Coro::cede;
		2647	}
		2648
		2649	cf::anim::invalidate_all; # d'oh
		2650	}
		2651
		2652	1
		2653	}
		2654
		2655	sub reload_regions {
		2656	load_resource_file "$MAPDIR/regions"
		2657	or die "unable to load regions file\n";
		2658	}
		2659
		2660	sub reload_facedata {
		2661	load_facedata "$DATADIR/facedata"
		2662	or die "unable to load facedata\n";
		2663	}
		2664
		2665	sub reload_archetypes {
		2666	load_resource_file "$DATADIR/archetypes"
		2667	or die "unable to load archetypes\n";
		2668	}
		2669
		2670	sub reload_treasures {
		2671	load_resource_file "$DATADIR/treasures"
		2672	or die "unable to load treasurelists\n";
		2673	}
		2674
		2675	sub reload_resources {
		2676	warn "reloading resource files...\n";
		2677
		2678	reload_regions;
		2679	reload_facedata;
		2680	#reload_archetypes;#d#
		2681	reload_archetypes;
		2682	reload_treasures;
		2683
		2684	warn "finished reloading resource files\n";
		2685	}
		2686
		2687	sub init {
		2688	reload_resources;
		2689	}
2256		2690
2257	sub cfg_load {	2691	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2693	or return;
2260		2694
2261	local $/;	2695	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2263		2697
…		…
2277		2711
2278	sub main {	2712	sub main {
2279	# we must not ever block the main coroutine	2713	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2714	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2716	(async {
2282	async { Event::one_event };	2717	Event::one_event;
		2718	})->prio (Coro::PRIO_MAX);
2283	};	2719	};
2284		2720
2285	cfg_load;	2721	cfg_load;
2286	db_load;	2722	db_init;
2287	load_extensions;	2723	load_extensions;
		2724
		2725	$TICK_WATCHER->start;
2288	Event::loop;	2726	Event::loop;
2289	}	2727	}
2290		2728
2291	#############################################################################	2729	#############################################################################
2292	# initialisation and cleanup	2730	# initialisation and cleanup
2293		2731
2294	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2295	BEGIN {	2733	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2299	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2300	cb => sub {	2740	cb => sub {
2301	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2302	},	2742	},
2303	);	2743	);
2304	}	2744	}
2305	}	2745	}
2306		2746
		2747	sub write_runtime {
		2748	my $runtime = "$LOCALDIR/runtime";
		2749
		2750	# first touch the runtime file to show we are still running:
		2751	# the fsync below can take a very very long time.
		2752
		2753	IO::AIO::aio_utime $runtime, undef, undef;
		2754
		2755	my $guard = cf::lock_acquire "write_runtime";
		2756
		2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2758	or return;
		2759
		2760	my $value = $cf::RUNTIME + 90 + 10;
		2761	# 10 is the runtime save interval, for a monotonic clock
		2762	# 60 allows for the watchdog to kill the server.
		2763
		2764	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2765	and return;
		2766
		2767	# always fsync - this file is important
		2768	aio_fsync $fh
		2769	and return;
		2770
		2771	# touch it again to show we are up-to-date
		2772	aio_utime $fh, undef, undef;
		2773
		2774	close $fh
		2775	or return;
		2776
		2777	aio_rename "$runtime~", $runtime
		2778	and return;
		2779
		2780	warn "runtime file written.\n";
		2781
		2782	1
		2783	}
		2784
2307	sub emergency_save() {	2785	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2309		2787
2310	warn "enter emergency perl save\n";	2788	warn "enter emergency perl save\n";
2311		2789
2312	cf::sync_job {	2790	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2791	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2792	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2793	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2794	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2795	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2796	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2797	$pl->valid or next;
2320	$pl->save;	2798	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2805	$map->valid or next;
2328	$map->save;	2806	$map->save;
2329	}	2807	}
2330	warn "end emergency map save\n";	2808	warn "end emergency map save\n";
		2809
		2810	warn "begin emergency database checkpoint\n";
		2811	BDB::db_env_txn_checkpoint $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2331	};	2813	};
2332		2814
2333	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2334	}	2816	}
2335		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2336	sub reload() {	2825	sub do_reload_perl() {
2337	# can/must only be called in main	2826	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2828	warn "can only reload from main coroutine";
2340	return;	2829	return;
2341	}	2830	}
2342		2831
2343	warn "reloading...";	2832	warn "reloading...";
2344		2833
2345	my $guard = freeze_mainloop;	2834	warn "entering sync_job";
		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2347		2840
2348	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2349	# if anything goes wrong in here, we should simply crash as we already saved	2844	# if anything goes wrong in here, we should simply crash as we already saved
2350		2845
2351	# cancel all watchers	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2849	}
2355		2850
		2851	warn "flushing outstanding aio requests";
		2852	for (;;) {
		2853	BDB::flush;
		2854	IO::AIO::flush;
		2855	Coro::cede;
		2856	last unless IO::AIO::nreqs || BDB::nreqs;
		2857	warn "iterate...";
		2858	}
		2859
		2860	++$RELOAD;
		2861
2356	# cancel all extension coros	2862	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2864	%EXT_CORO = ();
2359		2865
2360	# unload all extensions	2866	warn "removing commands";
2361	for (@exts) {	2867	%COMMAND = ();
		2868
		2869	warn "removing ext commands";
		2870	%EXTCMD = ();
		2871
		2872	warn "unloading/nuking all extensions";
		2873	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2874	warn "... unloading $pkg";
2363	unload_extension $_;	2875
		2876	if (my $cb = $pkg->can ("unload")) {
		2877	eval {
		2878	$cb->($pkg);
		2879	1
		2880	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2881	}
2365		2882
		2883	warn "... nuking $pkg";
		2884	Symbol::delete_package $pkg;
		2885	}
		2886
2366	# unload all modules loaded from $LIBDIR	2887	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2888	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2890
2370	warn "removing <$k>";	2891	warn "... unloading $k";
2371	delete $INC{$k};	2892	delete $INC{$k};
2372		2893
2373	$k =~ s/\.pm$//;	2894	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2895	$k =~ s/\//::/g;
2375		2896
…		…
2378	}	2899	}
2379		2900
2380	Symbol::delete_package $k;	2901	Symbol::delete_package $k;
2381	}	2902	}
2382		2903
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2904	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2907
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2908	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2396		2911
2397	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2913	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2400		2915
2401	# reload cf.pm	2916	warn "unload completed, starting to reload now";
		2917
2402	warn "reloading cf.pm";	2918	warn "reloading cf.pm";
2403	require cf;	2919	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2921
2406	# load config and database again	2922	warn "loading config and database again";
2407	cf::cfg_load;	2923	cf::cfg_load;
2408	cf::db_load;
2409		2924
2410	# load extensions
2411	warn "load extensions";	2925	warn "loading extensions";
2412	cf::load_extensions;	2926	cf::load_extensions;
2413		2927
2414	# reattach attachments to objects	2928	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2929	_global_reattach; # objects, sockets
2416	_global_reattach;	2930	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
2418	};	2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2419		2934
2420	if ($@) {	2935	warn "leaving sync_job";
		2936
		2937	1
		2938	} or do {
2421	warn $@;	2939	warn $@;
2422	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2423	exit 1;	2941	exit 1;
2424	}	2942	};
2425		2943
2426	warn "reloaded successfully";	2944	warn "reloaded";
2427	};	2945	};
2428		2946
2429	#############################################################################	2947	our $RELOAD_WATCHER; # used only during reload
2430		2948
2431	unless ($LINK_MAP) {	2949	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
2433		2952
2434	$LINK_MAP->width (41);	2953	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2954	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2955	after => 0,
		2956	data => WF_AUTOCANCEL,
2444	cb => sub {	2957	cb => sub {
2445	$_[0]->w->cancel;	2958	do_reload_perl;
2446		2959	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2960	},
2465		2961	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2962	}
2471
2472	register "<global>", __PACKAGE__;
2473		2963
2474	register_command "reload" => sub {	2964	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2476		2966
2477	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2968	$who->message ("reloading server.");
		2969	async { reload_perl };
2481	}	2970	}
2482	};	2971	};
2483		2972
2484	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2485		2974
		2975	my $bug_warning = 0;
		2976
		2977	our @WAIT_FOR_TICK;
		2978	our @WAIT_FOR_TICK_BEGIN;
		2979
		2980	sub wait_for_tick {
		2981	return unless $TICK_WATCHER->is_active;
		2982	return if $Coro::current == $Coro::main;
		2983
		2984	my $signal = new Coro::Signal;
		2985	push @WAIT_FOR_TICK, $signal;
		2986	$signal->wait;
		2987	}
		2988
		2989	sub wait_for_tick_begin {
		2990	return unless $TICK_WATCHER->is_active;
		2991	return if $Coro::current == $Coro::main;
		2992
		2993	my $signal = new Coro::Signal;
		2994	push @WAIT_FOR_TICK_BEGIN, $signal;
		2995	$signal->wait;
		2996	}
		2997
		2998	my $min = 1e6;#d#
		2999	my $avg = 10;
2486	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3001	reentrant => 0,
		3002	parked => 1,
2488	prio => 0,	3003	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3005	data => WF_AUTOCANCEL,
2491	cb => sub {	3006	cb => sub {
		3007	if ($Coro::current != $Coro::main) {
		3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3009	unless ++$bug_warning > 10;
		3010	return;
		3011	}
		3012
		3013	$NOW = $tick_start = Event::time;
		3014
2492	cf::server_tick; # one server iteration	3015	cf::server_tick; # one server iteration
		3016
		3017	0 && sync_job {#d#
		3018	for(1..10) {
		3019	my $t = Event::time;
		3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3021	or die;
		3022
		3023	$map->width (50);
		3024	$map->height (50);
		3025	$map->alloc;
		3026	$map->_load_objects ("/tmp/x.map", 1);
		3027	my $t = Event::time - $t;
		3028
		3029	#next unless $t < 0.0013;#d#
		3030	if ($t < $min) {
		3031	$min = $t;
		3032	}
		3033	$avg = $avg * 0.99 + $t * 0.01;
		3034	}
		3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3036	exit 0;
		3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3038	};
		3039
2493	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2495		3042
2496	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3045	Coro::async_pool {
		3046	write_runtime
		3047	or warn "ERROR: unable to write runtime file: $!";
		3048	};
		3049	}
		3050
		3051	# my $AFTER = Event::time;
		3052	# warn $AFTER - $NOW;#d#
		3053
		3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3055	$sig->send;
		3056	}
		3057	while (my $sig = shift @WAIT_FOR_TICK) {
		3058	$sig->send;
		3059	}
		3060
		3061	$NOW = Event::time;
2498		3062
2499	# if we are delayed by four ticks or more, skip them all	3063	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3065
2502	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3067	$TICK_WATCHER->start;
		3068
		3069	$LOAD = ($NOW - $tick_start) / $TICK;
		3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3071
		3072	_post_tick;
		3073
		3074
2504	},	3075	},
2505	);	3076	);
2506		3077
		3078	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	3079	BDB::max_poll_time $TICK * 0.1;
2508		3080	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3081	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3082	fd => BDB::poll_fileno,
2511	poll => 'r',	3083	poll => 'r',
2512	prio => 5,	3084	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3085	data => WF_AUTOCANCEL,
2519	after => 0,	3086	cb => \&BDB::poll_cb,
2520	interval => 10,	3087	);
2521	cb => sub {	3088	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	3089
2523	write_runtime	3090	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	3091	my $status;
		3092	my $current = $Coro::current;
		3093	(
		3094	sub {
		3095	$status = $!;
		3096	$current->ready; undef $current;
		3097	},
		3098	sub {
		3099	Coro::schedule while defined $current;
		3100	$! = $status;
		3101	},
		3102	)
		3103	};
		3104
		3105	unless ($DB_ENV) {
		3106	$DB_ENV = BDB::db_env_create;
		3107
		3108	cf::sync_job {
		3109	eval {
		3110	BDB::db_env_open
		3111	$DB_ENV,
		3112	$BDBDIR,
		3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3115	0666;
		3116
		3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3118
		3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3120	$DB_ENV->set_lk_detect;
		3121	};
		3122
		3123	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	3124	};
2526	},	3125	}
2527	);	3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
		3132	IO::AIO::max_poll_time $TICK * 0.1;
		3133	$AIO_POLL_WATCHER = Event->io (
		3134	reentrant => 0,
		3135	data => WF_AUTOCANCEL,
		3136	fd => IO::AIO::poll_fileno,
		3137	poll => 'r',
		3138	prio => 6,
		3139	cb => \&IO::AIO::poll_cb,
		3140	);
		3141	}
		3142
		3143	my $_log_backtrace;
		3144
		3145	sub _log_backtrace {
		3146	my ($msg, @addr) = @_;
		3147
		3148	$msg =~ s/\n//;
		3149
		3150	# limit the # of concurrent backtraces
		3151	if ($_log_backtrace < 2) {
		3152	++$_log_backtrace;
		3153	async {
		3154	my @bt = fork_call {
		3155	@addr = map { sprintf "%x", $_ } @addr;
		3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3158	or die "addr2line: $!";
		3159
		3160	my @funcs;
		3161	my @res = <$fh>;
		3162	chomp for @res;
		3163	while (@res) {
		3164	my ($func, $line) = splice @res, 0, 2, ();
		3165	push @funcs, "[$func] $line";
		3166	}
		3167
		3168	@funcs
		3169	};
		3170
		3171	LOG llevInfo, "[ABT] $msg\n";
		3172	LOG llevInfo, "[ABT] $_\n" for @bt;
		3173	--$_log_backtrace;
		3174	};
		3175	} else {
		3176	LOG llevInfo, "[ABT] $msg\n";
		3177	LOG llevInfo, "[ABT] [suppressed]\n";
		3178	}
		3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2528		3183
2529	END { cf::emergency_save }	3184	END { cf::emergency_save }
2530		3185
2531	1	3186	1
2532		3187

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