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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 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 3.4 ();	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
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	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;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
162	}	206	}
163		207
164	$Event::DIED = sub {	208	$Event::DIED = sub {
165	warn "error in event callback: @_";	209	warn "error in event callback: @_";
166	};	210	};
		211
		212	#############################################################################
167		213
168	=head2 UTILITY FUNCTIONS	214	=head2 UTILITY FUNCTIONS
169		215
170	=over 4	216	=over 4
171		217
…		…
190	$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;
191	$d	237	$d
192	} || "[unable to dump $_[0]: '$@']";	238	} || "[unable to dump $_[0]: '$@']";
193	}	239	}
194		240
195	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
196		242
197	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
198		244
199	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
200		246
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
209		248
210	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		250
219	=item cf::lock_wait $string	251	=item cf::lock_wait $string
220		252
221	Wait until the given lock is available. See cf::lock_acquire.	253	Wait until the given lock is available. See cf::lock_acquire.
222		254
…		…
228	returned.	260	returned.
229		261
230	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
231	uses map_find and cf::map::load uses map_load).	263	uses map_find and cf::map::load uses map_load).
232		264
		265	=item $locked = cf::lock_active $string
		266
		267	Return true if the lock is currently active, i.e. somebody has locked it.
		268
233	=cut	269	=cut
234		270
235	our %LOCK;	271	our %LOCK;
236		272
237	sub lock_wait($) {	273	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	292	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	293	$_->ready for @{ delete $LOCK{$key} };
258	}	294	}
259	}	295	}
260		296
		297	sub lock_active($) {
		298	my ($key) = @_;
		299
		300	! ! $LOCK{$key}
		301	}
		302
261	sub freeze_mainloop {	303	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	304	return unless $TICK_WATCHER->is_active;
263		305
264	my $guard = Coro::guard {	306	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	307	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	308	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	309	$TICK_WATCHER->stop;
270	$guard	310	$guard
271	}	311	}
272		312
273	=item cf::async { BLOCK }	313	=item cf::async { BLOCK }
…		…
280		320
281	BEGIN { *async = \&Coro::async_pool }	321	BEGIN { *async = \&Coro::async_pool }
282		322
283	=item cf::sync_job { BLOCK }	323	=item cf::sync_job { BLOCK }
284		324
285	The design of crossfire+ requires that the main coro ($Coro::main) is	325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	326	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		328	acceptable.
288		329
289	If it must be done, put the blocking parts into C<sync_job>. This will run	330	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	331	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	332	server will be frozen during this time, so the block should either finish
292	fast or be very important.	333	fast or be very important.
…		…
295		336
296	sub sync_job(&) {	337	sub sync_job(&) {
297	my ($job) = @_;	338	my ($job) = @_;
298		339
299	if ($Coro::current == $Coro::main) {	340	if ($Coro::current == $Coro::main) {
		341	my $time = Event::time;
		342
300	# this is the main coro, too bad, we have to block	343	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	344	# till the operation succeeds, freezing the server :/
302		345
303	# TODO: use suspend/resume instead	346	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	347	# (but this is cancel-safe)
…		…
315		358
316	while ($busy) {	359	while ($busy) {
317	Coro::cede or Event::one_event;	360	Coro::cede or Event::one_event;
318	}	361	}
319		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
320	wantarray ? @res : $res[0]	370	wantarray ? @res : $res[0]
321	} else {	371	} else {
322	# we are in another coroutine, how wonderful, everything just works	372	# we are in another coroutine, how wonderful, everything just works
323		373
324	$job->()	374	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	393	$EXT_CORO{$coro+0} = $coro;
344		394
345	$coro	395	$coro
346	}	396	}
347		397
348	sub write_runtime {	398	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		399
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	400	Executes the given code block with the given arguments in a seperate
352	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.
353		404
354	my $value = $cf::RUNTIME + 90 + 10;	405	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		406
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	407	sub fork_call(&@) {
359	and return;	408	my ($cb, @args) = @_;
360		409
361	aio_fsync $fh	410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
362	and return;	411	# or die "socketpair: $!";
		412	pipe my $fh1, my $fh2
		413	or die "pipe: $!";
363		414
		415	if (my $pid = fork) {
364	close $fh	416	close $fh2;
365	or return;
366		417
367	aio_rename "$runtime~", $runtime	418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
368	and return;	419	$res = Coro::Storable::thaw $res;
369		420
		421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		422
		423	die $$res unless "ARRAY" eq ref $res;
		424
		425	return wantarray ? @$res : $res->[-1];
		426	} else {
		427	reset_signals;
		428	local $SIG{__WARN__};
		429	local $SIG{__DIE__};
		430	eval {
		431	close $fh1;
		432
		433	my @res = eval { $cb->(@args) };
		434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		435	};
		436
		437	warn $@ if $@;
		438	_exit 0;
370	1	439	}
		440	}
		441
		442	=item $value = cf::db_get $family => $key
		443
		444	Returns a single value from the environment database.
		445
		446	=item cf::db_put $family => $key => $value
		447
		448	Stores the given C<$value> in the family. It can currently store binary
		449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		450
		451	=cut
		452
		453	our $DB;
		454
		455	sub db_init {
		456	unless ($DB) {
		457	$DB = BDB::db_create $DB_ENV;
		458
		459	cf::sync_job {
		460	eval {
		461	$DB->set_flags (BDB::CHKSUM);
		462
		463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		465	cf::cleanup "db_open(db): $!" if $!;
		466	};
		467	cf::cleanup "db_open(db): $@" if $@;
		468	};
		469	}
		470	}
		471
		472	sub db_get($$) {
		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 });
371	}	567	}
372		568
373	=back	569	=back
374		570
375	=cut	571	=cut
…		…
382	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")
383	to it. All such attachable objects support the following methods.	579	to it. All such attachable objects support the following methods.
384		580
385	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>
386	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
387	crossfire+).	583	Crossfire TRT).
388		584
389	=over 4	585	=over 4
390		586
391	=item $attachable->attach ($attachment, key => $value...)	587	=item $attachable->attach ($attachment, key => $value...)
392		588
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	751	$registry = $CB_TYPE[$object_type] ||= [];
556		752
557	} elsif ($type eq "subtype") {	753	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	754	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	755	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	756	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		757
562	} elsif ($type eq "package") {	758	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	759	my $pkg = shift @arg;
564		760
565	while (my ($name, $id) = each %cb_id) {	761	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	790	_attach $registry, $klass, @attach;
595	}	791	}
596		792
597	$obj->{$name} = \%arg;	793	$obj->{$name} = \%arg;
598	} else {	794	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	795	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	796	}
601		797
602	$obj->{_attachment}{$name} = undef;	798	$obj->{_attachment}{$name} = undef;
603	}	799	}
604		800
…		…
606	if (ref $_[0]) {	802	if (ref $_[0]) {
607	_object_attach @_;	803	_object_attach @_;
608	} else {	804	} else {
609	_attach shift->_attach_registry, @_;	805	_attach shift->_attach_registry, @_;
610	}	806	}
		807	_recalc_want;
611	};	808	};
612		809
613	# all those should be optimised	810	# all those should be optimised
614	sub cf::attachable::detach {	811	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	812	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	815	delete $obj->{_attachment}{$name};
619	reattach ($obj);	816	reattach ($obj);
620	} else {	817	} else {
621	Carp::croak "cannot, currently, detach class attachments";	818	Carp::croak "cannot, currently, detach class attachments";
622	}	819	}
		820	_recalc_want;
623	};	821	};
624		822
625	sub cf::attachable::attached {	823	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	824	my ($obj, $name) = @_;
627		825
…		…
750	$filename, length $$rdata, scalar @$objs;	948	$filename, length $$rdata, scalar @$objs;
751		949
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	951	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	953	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	954	close $fh;
757		955
758	if (@$objs) {	956	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	959	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	960	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	961	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	962	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	963	aio_rename "$filename.pst~", "$filename.pst";
766	}	964	}
767	} else {	965	} else {
768	aio_unlink "$filename.pst";	966	aio_unlink "$filename.pst";
…		…
800	or return;	998	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	999	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1000	}
803		1001
804	warn sprintf "loading %s (%d)\n",	1002	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1003	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1004	return ($data, $av);
807	}	1005	}
		1006
		1007	=head2 COMMAND CALLBACKS
		1008
		1009	=over 4
		1010
		1011	=cut
808		1012
809	#############################################################################	1013	#############################################################################
810	# command handling &c	1014	# command handling &c
811		1015
812	=item cf::register_command $name => \&callback($ob,$args);	1016	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1029	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1030	}
827		1031
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1032	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1033
830	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.
831		1035
832	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
833	called.	1037	called.
834		1038
835	=cut	1039	=cut
…		…
870		1074
871	cf::override;	1075	cf::override;
872	},	1076	},
873	);	1077	);
874		1078
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1079	sub load_extensions {
		1080	cf::sync_job {
		1081	my %todo;
		1082
910	for my $ext (<$LIBDIR/*.ext>) {	1083	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1084	next unless -r $path;
912	eval {	1085
913	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;
914	1	1143	}
915	} or warn "$ext not loaded: $@";	1144
		1145	skip:
		1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1147	unless $progress;
		1148	}
916	}	1149	};
917	}	1150	}
918		1151
919	#############################################################################	1152	#############################################################################
920		1153
		1154	=back
		1155
921	=head2 CORE EXTENSIONS	1156	=head2 CORE EXTENSIONS
922		1157
923	Functions and methods that extend core crossfire objects.	1158	Functions and methods that extend core crossfire objects.
924		1159
925	=cut	1160	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1172	Returns the given player object, loading it if necessary (might block).
938		1173
939	=cut	1174	=cut
940		1175
941	sub playerdir($) {	1176	sub playerdir($) {
942	cf::localdir	1177	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1178	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1179	}
948		1180
949	sub path($) {	1181	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1182	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1183
952	(playerdir $login) . "/$login.pl"	1184	(playerdir $login) . "/playerdata"
953	}	1185	}
954		1186
955	sub find_active($) {	1187	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1188	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1189	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1202	my $login = $_[0];
971		1203
972	my $guard = cf::lock_acquire "user_find:$login";	1204	my $guard = cf::lock_acquire "user_find:$login";
973		1205
974	$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
975	my $pl = load_pl path $login	1214	my $pl = load_pl path $login
976	or return;	1215	or return;
977	$cf::PLAYER{$login} = $pl	1216	$cf::PLAYER{$login} = $pl
978	}	1217	}
979	}	1218	}
…		…
1016		1255
1017	=cut	1256	=cut
1018		1257
1019	sub quit_character {	1258	sub quit_character {
1020	my ($pl) = @_;	1259	my ($pl) = @_;
		1260
		1261	my $name = $pl->ob->name;
1021		1262
1022	$pl->{deny_save} = 1;	1263	$pl->{deny_save} = 1;
1023	$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
1024		1265
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1271	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1272	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1273	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1274	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1297	}
1037		1298
1038	=item cf::player::list_logins	1299	=item cf::player::list_logins
1039		1300
1040	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
1041	while and may block, so not sync_job-capable, ever.	1302	while and may block, so not sync_job-capable, ever.
1042		1303
1043	=cut	1304	=cut
1044		1305
1045	sub list_logins {	1306	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1307	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1308	or return [];
1048		1309
1049	my @logins;	1310	my @logins;
1050		1311
1051	for my $login (@$dirs) {	1312	for my $login (@$dirs) {
…		…
1068	=cut	1329	=cut
1069		1330
1070	sub maps($) {	1331	sub maps($) {
1071	my ($pl) = @_;	1332	my ($pl) = @_;
1072		1333
		1334	$pl = ref $pl ? $pl->ob->name : $pl;
		1335
1073	my $files = aio_readdir playerdir $pl	1336	my $files = aio_readdir playerdir $pl
1074	or return;	1337	or return;
1075		1338
1076	my @paths;	1339	my @paths;
1077		1340
1078	for (@$files) {	1341	for (@$files) {
1079	utf8::decode $_;	1342	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1343	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1344	next unless /^$PATH_SEP/o;
1082		1345
1083	s/\.map$//;	1346	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1347	}
1086		1348
1087	\@paths	1349	\@paths
1088	}	1350	}
1089		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
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1385	=item $player->ext_reply ($msgid, %msg)
1091		1386
1092	Sends an ext reply to the player.	1387	Sends an ext reply to the player.
1093		1388
1094	=cut	1389	=cut
1095		1390
1096	sub ext_reply($$$%) {	1391	sub ext_reply($$%) {
1097	my ($self, $id, %msg) = @_;	1392	my ($self, $id, %msg) = @_;
1098		1393
1099	$msg{msgid} = $id;	1394	$msg{msgid} = $id;
1100		1395
1101	$self->send ("ext " . cf::to_json \%msg);	1396	$self->send ("ext " . cf::to_json \%msg);
1102	}	1397	}
1103		1398
1104	package cf;	1399	=item $player->ext_event ($type, %msg)
		1400
		1401	Sends an ext event to the client.
		1402
		1403	=cut
		1404
		1405	sub ext_event($$%) {
		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	$match
		1438	}
1105		1439
1106	=back	1440	=back
1107
1108		1441
1109	=head3 cf::map	1442	=head3 cf::map
1110		1443
1111	=over 4	1444	=over 4
1112		1445
…		…
1167	my ($self, $merge) = @_;	1500	my ($self, $merge) = @_;
1168		1501
1169	# we have to keep some variables in memory intact	1502	# we have to keep some variables in memory intact
1170	local $self->{path};	1503	local $self->{path};
1171	local $self->{load_path};	1504	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1505
1175	$self->SUPER::thawer_merge ($merge);	1506	$self->SUPER::thawer_merge ($merge);
1176	}	1507	}
1177		1508
1178	sub normalise {	1509	sub normalise {
1179	my ($path, $base) = @_;	1510	my ($path, $base) = @_;
		1511
		1512	$path = "$path"; # make sure its a string
		1513
		1514	$path =~ s/\.map$//;
1180		1515
1181	# map plan:	1516	# map plan:
1182	#	1517	#
1183	# /! non-realised random map exit (special hack!)	1518	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1519	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1556	$self->init; # pass $1 etc.
1222	return $self;	1557	return $self;
1223	}	1558	}
1224	}	1559	}
1225		1560
1226	Carp::carp "unable to resolve path '$path'.";	1561	Carp::carp "unable to resolve path '$path' (base '$base').";
1227	()	1562	()
1228	}	1563	}
1229		1564
1230	sub init {	1565	sub init {
1231	my ($self) = @_;	1566	my ($self) = @_;
…		…
1246		1581
1247	# the original (read-only) location	1582	# the original (read-only) location
1248	sub load_path {	1583	sub load_path {
1249	my ($self) = @_;	1584	my ($self) = @_;
1250		1585
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1586	"$MAPDIR/$self->{path}.map"
1252	}	1587	}
1253		1588
1254	# the temporary/swap location	1589	# the temporary/swap location
1255	sub save_path {	1590	sub save_path {
1256	my ($self) = @_;	1591	my ($self) = @_;
1257		1592
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1594	"$TMPDIR/$path.map"
1260	}	1595	}
1261		1596
1262	# the unique path, undef == no special unique path	1597	# the unique path, undef == no special unique path
1263	sub uniq_path {	1598	sub uniq_path {
1264	my ($self) = @_;	1599	my ($self) = @_;
1265		1600
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1602	"$UNIQUEDIR/$path"
1268	}	1603	}
1269		1604
1270	# and all this just because we cannot iterate over	1605	# and all this just because we cannot iterate over
1271	# all maps in C++...	1606	# all maps in C++...
1272	sub change_all_map_light {	1607	sub change_all_map_light {
…		…
1274		1609
1275	$_->change_map_light ($change)	1610	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1611	for grep $_->outdoor, values %cf::MAP;
1277	}	1612	}
1278		1613
		1614	sub decay_objects {
		1615	my ($self) = @_;
		1616
		1617	return if $self->{deny_reset};
		1618
		1619	$self->do_decay_objects;
		1620	}
		1621
1279	sub unlink_save {	1622	sub unlink_save {
1280	my ($self) = @_;	1623	my ($self) = @_;
1281		1624
1282	utf8::encode (my $save = $self->save_path);	1625	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1626	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1629
1287	sub load_header_from($) {	1630	sub load_header_from($) {
1288	my ($self, $path) = @_;	1631	my ($self, $path) = @_;
1289		1632
1290	utf8::encode $path;	1633	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1634	#aio_open $path, O_RDONLY, 0
1292	or return;	1635	# or return;
1293		1636
1294	$self->_load_header ($path)	1637	$self->_load_header ($path)
1295	or return;	1638	or return;
1296		1639
1297	$self->{load_path} = $path;	1640	$self->{load_path} = $path;
1298		1641
1299	1	1642	1
1300	}	1643	}
1301		1644
1302	sub load_orig {	1645	sub load_header_orig {
1303	my ($self) = @_;	1646	my ($self) = @_;
1304		1647
1305	$self->load_header_from ($self->load_path)	1648	$self->load_header_from ($self->load_path)
1306	}	1649	}
1307		1650
1308	sub load_temp {	1651	sub load_header_temp {
1309	my ($self) = @_;	1652	my ($self) = @_;
1310		1653
1311	$self->load_header_from ($self->save_path)	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	$self->instantiate;
1312	}	1674	}
1313		1675
1314	sub load_header {	1676	sub load_header {
1315	my ($self) = @_;	1677	my ($self) = @_;
1316		1678
1317	if ($self->load_temp) {	1679	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1680	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1681	} else {
1324	$self->load_orig	1682	$self->load_header_orig
1325	or return;	1683	or return;
1326		1684	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1685	}
		1686
		1687	$self->{deny_reset} = 1
		1688	if $self->no_reset;
		1689
		1690	$self->default_region (cf::region::find_by_path $self->{path})
		1691	unless $self->default_region;
1332		1692
1333	1	1693	1
1334	}	1694	}
1335		1695
1336	sub find;	1696	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1709	$map->{last_save} = $cf::RUNTIME;
1350		1710
1351	$map->load_header	1711	$map->load_header
1352	or return;	1712	or return;
1353		1713
1354	if ($map->should_reset) {	1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1715	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1716	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1717	$map->reset;
1358	undef $guard;	1718	undef $guard;
1359	$map = find $path	1719	return find $path;
1360	or return;
1361	}	1720	}
1362		1721
1363	$cf::MAP{$path} = $map	1722	$cf::MAP{$path} = $map
1364	}	1723	}
1365	}	1724	}
		1725
		1726	sub pre_load { }
		1727	sub post_load { }
1366		1728
1367	sub load {	1729	sub load {
1368	my ($self) = @_;	1730	my ($self) = @_;
1369		1731
		1732	local $self->{deny_reset} = 1; # loading can take a long time
		1733
1370	my $path = $self->{path};	1734	my $path = $self->{path};
		1735
		1736	{
1371	my $guard = cf::lock_acquire "map_load:$path";	1737	my $guard = cf::lock_acquire "map_load:$path";
1372		1738
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1739	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1740
1375	$self->in_memory (cf::MAP_LOADING);	1741	$self->in_memory (cf::MAP_LOADING);
1376		1742
1377	$self->alloc;	1743	$self->alloc;
1378	$self->_load_objects ($self->{load_path}, 1)
1379	or return;
1380		1744
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1745	$self->pre_load;
1382	if delete $self->{load_original};
1383
1384	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {
1387	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);
1389	}
1390	}
1391
1392	Coro::cede;
1393
1394	# now do the right thing for maps
1395	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;	1746	Coro::cede;
1402	$self->set_darkness_map;	1747
		1748	$self->_load_objects ($self->{load_path}, 1)
		1749	or return;
		1750
		1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1752	if delete $self->{load_original};
		1753
		1754	if (my $uniq = $self->uniq_path) {
		1755	utf8::encode $uniq;
		1756	if (aio_open $uniq, O_RDONLY, 0) {
		1757	$self->clear_unique_items;
		1758	$self->_load_objects ($uniq, 0);
		1759	}
		1760	}
		1761
		1762	Coro::cede;
		1763	# now do the right thing for maps
		1764	$self->link_multipart_objects;
1403	$self->difficulty ($self->estimate_difficulty)	1765	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1766	unless $self->difficulty;
1405	Coro::cede;	1767	Coro::cede;
		1768
		1769	unless ($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;
1406	$self->activate;	1776	$self->activate;
1407	}	1777	}
1408		1778
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1779	$self->in_memory (cf::MAP_IN_MEMORY);
		1780	}
		1781
		1782	$self->post_load;
1410	}	1783	}
1411		1784
1412	sub customise_for {	1785	sub customise_for {
1413	my ($self, $ob) = @_;	1786	my ($self, $ob) = @_;
1414		1787
1415	return find "~" . $ob->name . "/" . $self->{path}	1788	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	1789	if $self->per_player;
		1790
		1791	# return find "?party/" . $ob->name . "/" . $self->{path}
		1792	# if $self->per_party;
1417		1793
1418	$self	1794	$self
1419	}	1795	}
1420		1796
1421	# 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
…		…
1477	delete $MAP_PREFETCH{$path};	1853	delete $MAP_PREFETCH{$path};
1478	}	1854	}
1479	}	1855	}
1480	undef $MAP_PREFETCHER;	1856	undef $MAP_PREFETCHER;
1481	};	1857	};
		1858	$MAP_PREFETCHER->prio (6);
1482		1859
1483	()	1860	()
1484	}	1861	}
1485		1862
1486	sub save {	1863	sub save {
…		…
1531		1908
1532	sub reset_at {	1909	sub reset_at {
1533	my ($self) = @_;	1910	my ($self) = @_;
1534		1911
1535	# TODO: safety, remove and allow resettable per-player maps	1912	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1913	return 1e99 if $self->{deny_reset};
1538		1914
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1915	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1916	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1917
…		…
1552	my ($self) = @_;	1928	my ($self) = @_;
1553		1929
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	1930	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		1931
1556	return if $self->players;	1932	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		1933
1559	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	}
1560		1945
1561	delete $cf::MAP{$self->path};	1946	delete $cf::MAP{$self->path};
1562		1947
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	1948	$self->clear;
1565		1949
1566	$_->clear_links_to ($self) for values %cf::MAP;	1950	$_->clear_links_to ($self) for values %cf::MAP;
1567		1951
1568	$self->unlink_save;	1952	$self->unlink_save;
…		…
1587	$cf::MAP{$self->path} = $self;	1971	$cf::MAP{$self->path} = $self;
1588		1972
1589	$self->reset; # polite request, might not happen	1973	$self->reset; # polite request, might not happen
1590	}	1974	}
1591		1975
		1976	=item $maps = cf::map::tmp_maps
		1977
		1978	Returns an arrayref with all map paths of currently instantiated and saved
		1979	maps. May block.
		1980
		1981	=cut
		1982
		1983	sub tmp_maps() {
		1984	[
		1985	map {
		1986	utf8::decode $_;
		1987	/\.map$/
		1988	? normalise $_
		1989	: ()
		1990	} @{ aio_readdir $TMPDIR or [] }
		1991	]
		1992	}
		1993
		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	]
		2010	}
		2011
1592	=item cf::map::unique_maps	2012	=item cf::map::unique_maps
1593		2013
1594	Returns an arrayref of paths of all shared maps that have	2014	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2015	instantiated unique items. May block.
1596		2016
1597	=cut	2017	=cut
1598		2018
1599	sub unique_maps() {	2019	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2020	[
1601	or return;	2021	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2022	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2023	/\.map$/
1611	push @paths, $_;	2024	? normalise $_
		2025	: ()
		2026	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2027	]
1613
1614	\@paths
1615	}	2028	}
1616		2029
1617	package cf;	2030	package cf;
1618		2031
1619	=back	2032	=back
…		…
1665		2078
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2079	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2080
1668	if ($self->{record_replies}) {	2081	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2082	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2083
1670	} 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 {
1671	$msg = $npc->name . " says: $msg" if $npc;	2097	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2098	$self->message ($msg, $flags);
		2099	}
1673	}	2100	}
1674	}	2101	}
1675		2102
1676	=item $player_object->may ("access")	2103	=item $player_object->may ("access")
1677		2104
…		…
1710	=cut	2137	=cut
1711		2138
1712	sub link_map {	2139	sub link_map {
1713	unless ($LINK_MAP) {	2140	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2141	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2142	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2143	$LINK_MAP->load;
1717	}	2144	}
1718		2145
1719	$LINK_MAP	2146	$LINK_MAP
1720	}	2147	}
…		…
1725	$self->deactivate_recursive;	2152	$self->deactivate_recursive;
1726		2153
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2154	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2155
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2157	if $self->map && $self->map->{path} ne "{link}";
1731		2158
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2160	}
1734		2161
1735	sub cf::object::player::leave_link {	2162	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2163	my ($self, $map, $x, $y) = @_;
		2164
		2165	return unless $self->contr->active;
1737		2166
1738	my $link_pos = delete $self->{_link_pos};	2167	my $link_pos = delete $self->{_link_pos};
1739		2168
1740	unless ($map) {	2169	unless ($map) {
1741	# restore original map position	2170	# restore original map position
…		…
1759	$map->load;	2188	$map->load;
1760	$map->load_diag;	2189	$map->load_diag;
1761		2190
1762	return unless $self->contr->active;	2191	return unless $self->contr->active;
1763	$self->activate_recursive;	2192	$self->activate_recursive;
		2193
		2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2195	$self->enter_map ($map, $x, $y);
1765	}	2196	}
1766		2197
1767	cf::player->attach (
1768	on_logout => sub {
1769	my ($pl) = @_;
1770
1771	# abort map switching before logout
1772	if ($pl->ob->{_link_pos}) {
1773	cf::sync_job {
1774	$pl->ob->leave_link
1775	};
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)	2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1800		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
1801	=cut	2205	=cut
		2206
		2207	our $GOTOGEN;
1802		2208
1803	sub cf::object::player::goto {	2209	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2210	my ($self, $path, $x, $y, $check) = @_;
		2211
		2212	# do generation counting so two concurrent goto's will be executed in-order
		2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2214
1806	$self->enter_link;	2215	$self->enter_link;
1807		2216
1808	(async {	2217	(async {
		2218	my $map = eval {
1809	my $map = cf::map::find $path;	2219	my $map = cf::map::find $path;
		2220
		2221	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2222	$map = $map->customise_for ($self);
1811		2223	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2224	} else {
1813	# if $map;
1814
1815	$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	}
1816		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};
1817	$self->leave_link ($map, $x, $y);	2238	$self->leave_link ($map, $x, $y);
		2239	}
1818	})->prio (1);	2240	})->prio (1);
1819	}	2241	}
1820		2242
1821	=item $player_object->enter_exit ($exit_object)	2243	=item $player_object->enter_exit ($exit_object)
1822		2244
…		…
1851	# that depends on the exit object	2273	# that depends on the exit object
1852		2274
1853	my $rmp = parse_random_map_params $exit->msg;	2275	my $rmp = parse_random_map_params $exit->msg;
1854		2276
1855	if ($exit->map) {	2277	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2278	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2279	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2280	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2281	$rmp->{origin_y} = $exit->y;
1860	}	2282	}
1861		2283
1862	$rmp->{random_seed} ||= $exit->random_seed;	2284	$rmp->{random_seed} ||= $exit->random_seed;
1863		2285
1864	my $data = cf::to_json $rmp;	2286	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2287	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2288	my $meta = "$RANDOMDIR/$md5.meta";
1867		2289
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2291	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2292	undef $fh;
1871	aio_rename "$meta~", $meta;	2293	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2300	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2301	my ($self, $exit) = @_;
1880		2302
1881	return unless $self->type == cf::PLAYER;	2303	return unless $self->type == cf::PLAYER;
1882		2304
		2305	if ($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;
		2315
1883	$self->enter_link;	2316	$self->enter_link;
1884		2317
1885	(async {	2318	(async {
1886	$self->deactivate_recursive; # just to be sure	2319	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2320	unless (eval {
1888	prepare_random_map $exit	2321	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2322
1894	1;	2323	1;
1895	}) {	2324	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2325	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "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. "
1898	. "Please report this to the dungeon master!",	2327	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2328	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2329
1901	warn "ERROR in enter_exit: $@";	2330	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2331	$self->leave_link;
1903	}	2332	}
1904	})->prio (1);	2333	})->prio (1);
…		…
1917		2346
1918	sub cf::client::send_drawinfo {	2347	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2348	my ($self, $text, $flags) = @_;
1920		2349
1921	utf8::encode $text;	2350	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2352	}
1924		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	}
1925		2404
1926	=item $success = $client->query ($flags, "text", \&cb)	2405	=item $success = $client->query ($flags, "text", \&cb)
1927		2406
1928	Queues a query to the client, calling the given callback with	2407	Queues a query to the client, calling the given callback with
1929	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>,
…		…
1958	# get handled first	2437	# get handled first
1959	my $queue = delete $ns->{query_queue}	2438	my $queue = delete $ns->{query_queue}
1960	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
1961		2440
1962	(shift @$queue)->[1]->($msg);	2441	(shift @$queue)->[1]->($msg);
		2442	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2443
1964	push @{ $ns->{query_queue} }, @$queue;	2444	push @{ $ns->{query_queue} }, @$queue;
1965		2445
1966	if (@{ $ns->{query_queue} } == @$queue) {	2446	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2447	if (@$queue) {
…		…
2025		2505
2026	# here we export the classes and methods available to script code	2506	# here we export the classes and methods available to script code
2027		2507
2028	=pod	2508	=pod
2029		2509
2030	The following fucntions and emthods are available within a safe environment:	2510	The following functions and methods are available within a safe environment:
2031		2511
2032	cf::object contr pay_amount pay_player map	2512	cf::object contr pay_amount pay_player map
2033	cf::object::player player	2513	cf::object::player player
2034	cf::player peaceful	2514	cf::player peaceful
2035	cf::map trigger	2515	cf::map trigger
…		…
2116	=back	2596	=back
2117		2597
2118	=cut	2598	=cut
2119		2599
2120	#############################################################################	2600	#############################################################################
		2601	# the server's init and main functions
2121		2602
2122	=head2 EXTENSION DATABASE SUPPORT	2603	sub load_facedata($) {
		2604	my ($path) = @_;
2123		2605
2124	Crossfire maintains a very simple database for extension use. It can	2606	warn "loading facedata from $path\n";
2125	currently store anything that can be serialised using Storable, which
2126	excludes objects.
2127		2607
2128	The parameter C<$family> should best start with the name of the extension	2608	my $facedata;
2129	using it, it should be unique.	2609	0 < aio_load $path, $facedata
		2610	or die "$path: $!";
2130		2611
2131	=over 4	2612	$facedata = Coro::Storable::thaw $facedata;
2132		2613
2133	=item $hashref = cf::db_get $family	2614	$facedata->{version} == 2
		2615	or cf::cleanup "$path: version mismatch, cannot proceed.";
2134		2616
2135	Return a hashref for use by the extension C<$family>, which can be
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138
2139	=item $value = cf::db_get $family => $key
2140
2141	Returns a single value from the database
2142
2143	=item cf::db_put $family => $hashref
2144
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}	2617	{
		2618	my $faces = $facedata->{faceinfo};
2171		2619
2172	my $pid;	2620	while (my ($face, $info) = each %$faces) {
2173		2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2174	sub db_save() {	2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2175	waitpid $pid, 0 if $pid;	2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2176	if (0 == ($pid = fork)) {	2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2177	$DB->{_meta}{version} = 1;	2625	Coro::cede;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});
2194
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}
2199
2200	sub db_get($;$) {
2201	@_ >= 2
2202	? $DB->{$_[0]}{$_[1]}
2203	: ($DB->{$_[0]} ||= { })
2204	}
2205
2206	sub db_put($$;$) {
2207	if (@_ >= 3) {
2208	$DB->{$_[0]}{$_[1]} = $_[2];
2209	} else {
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214
2215	cf::global->attach (
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	2626	}
2220	);
2221	}
2222		2627
2223	#############################################################################	2628	while (my ($face, $info) = each %$faces) {
2224	# 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	}
2225		2690
2226	sub cfg_load {	2691	sub cfg_load {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	2692	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	2693	or return;
2229		2694
2230	local $/;	2695	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	2696	*CFG = YAML::Syck::Load <$fh>;
2232		2697
…		…
2252	Event::one_event;	2717	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	2718	})->prio (Coro::PRIO_MAX);
2254	};	2719	};
2255		2720
2256	cfg_load;	2721	cfg_load;
2257	db_load;	2722	db_init;
2258	load_extensions;	2723	load_extensions;
2259		2724
2260	$TICK_WATCHER->start;	2725	$TICK_WATCHER->start;
2261	Event::loop;	2726	Event::loop;
2262	}	2727	}
…		…
2266		2731
2267	# install some emergency cleanup handlers	2732	# install some emergency cleanup handlers
2268	BEGIN {	2733	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2734	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2735	Event->signal (
		2736	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2737	data => WF_AUTOCANCEL,
2272	signal => $signal,	2738	signal => $signal,
		2739	prio => 0,
2273	cb => sub {	2740	cb => sub {
2274	cf::cleanup "SIG$signal";	2741	cf::cleanup "SIG$signal";
2275	},	2742	},
2276	);	2743	);
2277	}	2744	}
		2745	}
		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
2278	}	2783	}
2279		2784
2280	sub emergency_save() {	2785	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2786	my $freeze_guard = cf::freeze_mainloop;
2282		2787
…		…
2299	my $map = $cf::MAP{$path} or next;	2804	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2805	$map->valid or next;
2301	$map->save;	2806	$map->save;
2302	}	2807	}
2303	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 $DB_ENV;
		2812	warn "end emergency database checkpoint\n";
2304	};	2813	};
2305		2814
2306	warn "leave emergency perl save\n";	2815	warn "leave emergency perl save\n";
2307	}	2816	}
2308		2817
		2818	sub post_cleanup {
		2819	my ($make_core) = @_;
		2820
		2821	warn Carp::longmess "post_cleanup backtrace"
		2822	if $make_core;
		2823	}
		2824
2309	sub reload() {	2825	sub do_reload_perl() {
2310	# can/must only be called in main	2826	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2827	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	2828	warn "can only reload from main coroutine";
2313	return;	2829	return;
2314	}	2830	}
2315		2831
2316	warn "reloading...";	2832	warn "reloading...";
2317		2833
2318	warn "cancelling server ticker";	2834	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		2835
		2836	cf::sync_job {
		2837	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2838	cf::emergency_save;
		2839	cf::write_runtime; # external watchdog should not bark
2322		2840
2323	eval {	2841	warn "syncing database to disk";
		2842	BDB::db_env_txn_checkpoint $DB_ENV;
		2843
2324	# 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
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		2845
2329	warn "cancelling all WF_AUTOCANCEL watchers";	2846	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	2847	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	2849	}
2333		2850
2334	warn "flushing outstanding aio requests";	2851	warn "flushing outstanding aio requests";
2335	for (;;) {	2852	for (;;) {
		2853	BDB::flush;
2336	IO::AIO::flush;	2854	IO::AIO::flush;
2337	Coro::cede;	2855	Coro::cede;
2338	last unless IO::AIO::nreqs;	2856	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	2857	warn "iterate...";
2340	}	2858	}
		2859
		2860	++$RELOAD;
2341		2861
2342	warn "cancelling all extension coros";	2862	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	2863	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	2864	%EXT_CORO = ();
2345		2865
…		…
2385	Symbol::delete_package "safe::$_"	2905	Symbol::delete_package "safe::$_"
2386	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);
2387		2907
2388	warn "unloading cf.pm \"a bit\"";	2908	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	2909	delete $INC{"cf.pm"};
		2910	delete $INC{"cf/pod.pm"};
2390		2911
2391	# don't, removes xs symbols, too,	2912	# don't, removes xs symbols, too,
2392	# and global variables created in xs	2913	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	2914	#Symbol::delete_package __PACKAGE__;
2394		2915
…		…
2398	require cf;	2919	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		2921
2401	warn "loading config and database again";	2922	warn "loading config and database again";
2402	cf::cfg_load;	2923	cf::cfg_load;
2403	cf::db_load;
2404		2924
2405	warn "loading extensions";	2925	warn "loading extensions";
2406	cf::load_extensions;	2926	cf::load_extensions;
2407		2927
2408	warn "reattaching attachments to objects/players";	2928	warn "reattaching attachments to objects/players";
2409	_global_reattach;	2929	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	2930	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	2931	reattach $_ for values %MAP;
		2932	warn "reattaching attachments to players";
		2933	reattach $_ for values %PLAYER;
2412		2934
2413	warn "restarting server ticker";	2935	warn "leaving sync_job";
2414		2936
2415	$TICK_WATCHER->start;	2937	1
2416	};	2938	} or do {
2417
2418	if ($@) {
2419	warn $@;	2939	warn $@;
2420	warn "error while reloading, exiting.";	2940	warn "error while reloading, exiting.";
2421	exit 1;	2941	exit 1;
2422	}	2942	};
2423		2943
2424	warn "reloaded";	2944	warn "reloaded";
2425	};	2945	};
2426		2946
2427	our $RELOAD_WATCHER; # used only during reload	2947	our $RELOAD_WATCHER; # used only during reload
2428		2948
		2949	sub reload_perl() {
		2950	# doing reload synchronously and two reloads happen back-to-back,
		2951	# coro crashes during coro_state_free->destroy here.
		2952
		2953	$RELOAD_WATCHER ||= Event->timer (
		2954	reentrant => 0,
		2955	after => 0,
		2956	data => WF_AUTOCANCEL,
		2957	cb => sub {
		2958	do_reload_perl;
		2959	undef $RELOAD_WATCHER;
		2960	},
		2961	);
		2962	}
		2963
2429	register_command "reload" => sub {	2964	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2965	my ($who, $arg) = @_;
2431		2966
2432	if ($who->flag (FLAG_WIZ)) {	2967	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	2968	$who->message ("reloading server.");
2434		2969	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	2970	}
2443	};	2971	};
2444		2972
2445	unshift @INC, $LIBDIR;	2973	unshift @INC, $LIBDIR;
2446		2974
2447	my $bug_warning = 0;	2975	my $bug_warning = 0;
2448		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;
2449	$TICK_WATCHER = Event->timer (	3000	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	3001	reentrant => 0,
2451	parked => 1,	3002	parked => 1,
2452	prio => 0,	3003	prio => 0,
2453	at => $NEXT_TICK || $TICK,	3004	at => $NEXT_TICK || $TICK,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3009	unless ++$bug_warning > 10;
2459	return;	3010	return;
2460	}	3011	}
2461		3012
2462	$NOW = Event::time;	3013	$NOW = $tick_start = Event::time;
2463		3014
2464	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
2465	$RUNTIME += $TICK;	3040	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	3041	$NEXT_TICK += $TICK;
2467		3042
2468	$WAIT_FOR_TICK->broadcast;	3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$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;
2470		3062
2471	# 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
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		3065
2474	$TICK_WATCHER->at ($NEXT_TICK);	3066	$TICK_WATCHER->at ($NEXT_TICK);
2475	$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
2476	},	3075	},
2477	);	3076	);
2478		3077
		3078	{
		3079	BDB::max_poll_time $TICK * 0.1;
		3080	$BDB_POLL_WATCHER = Event->io (
		3081	reentrant => 0,
		3082	fd => BDB::poll_fileno,
		3083	poll => 'r',
		3084	prio => 0,
		3085	data => WF_AUTOCANCEL,
		3086	cb => \&BDB::poll_cb,
		3087	);
		3088	BDB::min_parallel 8;
		3089
		3090	BDB::set_sync_prepare {
		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 $@;
		3124	};
		3125	}
		3126	}
		3127
		3128	{
		3129	IO::AIO::min_parallel 8;
		3130
		3131	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3132	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3133	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3134	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3135	data => WF_AUTOCANCEL,
2491	after => 1,	3136	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3137	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3138	prio => 6,
2494	cb => Coro::unblock_sub {	3139	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3140	);
2496	or warn "ERROR: unable to write runtime file: $!";	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";
2497	},	3178	}
2498	);	3179	}
		3180
		3181	# load additional modules
		3182	use cf::pod;
2499		3183
2500	END { cf::emergency_save }	3184	END { cf::emergency_save }
2501		3185
2502	1	3186	1
2503		3187

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