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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 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 3.5 ();	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 JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
28		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		40
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		42
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
37		45
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
40	our %COMMAND = ();	50	our %COMMAND = ();
41	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
42		52
43	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
47		58
		59	our $RELOAD; # number of reloads so far
48	our @EVENT;	60	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		61
51	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	75	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	78	our $NEXT_TICK;
56	our $NOW;	79	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		81
59	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	88	our $RUNTIME;
66		89
67	our %PLAYER; # all users	90	our %PLAYER; # all users
68	our %MAP; # all maps	91	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	92	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		93
76	# used to convert map paths into valid unix filenames by replacing / by ∕	94	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
		100
79	binmode STDOUT;	101	binmode STDOUT;
80	binmode STDERR;	102	binmode STDERR;
81		103
82	# read virtual server time, if available	104	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
87	}	109	}
88		110
89	mkdir cf::localdir;	111	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		113
96	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
97		115
98	sub cf::map::normalise;	116	sub cf::map::normalise;
99		117
…		…
110	=item $cf::RUNTIME	128	=item $cf::RUNTIME
111		129
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	131	every server tick.
114		132
115	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		136
117	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
119		141
120	=item $cf::NOW	142	=item $cf::NOW
121		143
122	The time of the last (current) server tick.	144	The time of the last (current) server tick.
123		145
124	=item $cf::TICK	146	=item $cf::TICK
125		147
126	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
127		159
128	=item %cf::CFG	160	=item %cf::CFG
129		161
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	163	from wherever your confdir points to.
132		164
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		166
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	168	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		170
140	=back	171	=back
141		172
142	=cut	173	=cut
143		174
144	BEGIN {	175	BEGIN {
145	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	177	my $msg = join "", @_;
147	utf8::encode $msg;
148		178
149	$msg .= "\n"	179	$msg .= "\n"
150	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
151		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
152	LOG llevError, $msg;	185	LOG llevError, $msg;
153	};	186	};
154	}	187	}
155		188
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		196
163	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	198	# within the Safe compartment.
165	for my $pkg (qw(	199	for my $pkg (qw(
166	cf::global cf::attachable	200	cf::global cf::attachable
…		…
174	}	208	}
175		209
176	$Event::DIED = sub {	210	$Event::DIED = sub {
177	warn "error in event callback: @_";	211	warn "error in event callback: @_";
178	};	212	};
		213
		214	#############################################################################
179		215
180	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
181		217
182	=over 4	218	=over 4
183		219
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	239	$d
204	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
205	}	241	}
206		242
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
210		244
211	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
212		246
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
221		248
222	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
223		250
224	=cut	251	=cut
225		252
226	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
228	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
230		257
231	=item cf::lock_wait $string	258	=item cf::lock_wait $string
232		259
233	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
234		261
…		…
240	returned.	267	returned.
241		268
242	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
244		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
245	=cut	276	=cut
246		277
247	our %LOCK;	278	our %LOCK;
248		279
249	sub lock_wait($) {	280	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
270	}	301	}
271	}	302	}
272		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
273	sub freeze_mainloop {	310	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
275		312
276	my $guard = Coro::guard {	313	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	314	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	315	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
282	$guard	317	$guard
283	}	318	}
284		319
285	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
292		327
293	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
294		329
295	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
296		331
297	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
300		336
301	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
304	fast or be very important.	340	fast or be very important.
…		…
307		343
308	sub sync_job(&) {	344	sub sync_job(&) {
309	my ($job) = @_;	345	my ($job) = @_;
310		346
311	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
312	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
314		352
315	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
327		365
328	while ($busy) {	366	while ($busy) {
329	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
330	}	368	}
331		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
332	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
333	} else {	378	} else {
334	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
335		380
336	$job->()	381	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
356		401
357	$coro	402	$coro
358	}	403	}
359		404
360	sub write_runtime {	405	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		406
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
364	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
365		411
366	my $value = $cf::RUNTIME + 90 + 10;	412	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		413
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	414	sub fork_call(&@) {
371	and return;	415	my ($cb, @args) = @_;
372		416
373	# always fsync - this file is important	417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
374	aio_fsync $fh	418	# or die "socketpair: $!";
375	and return;	419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
376		421
		422	if (my $pid = fork) {
377	close $fh	423	close $fh2;
378	or return;
379		424
380	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
381	and return;	426	$res = Coro::Storable::thaw $res;
382		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
383	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	574	}
385		575
386	=back	576	=back
387		577
388	=cut	578	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
397		587
398	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	590	Crossfire TRT).
401		591
402	=over 4	592	=over 4
403		593
404	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
405		595
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
569		759
570	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		764
575	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	766	my $pkg = shift @arg;
577		767
578	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
608	}	798	}
609		799
610	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
611	} else {	801	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	803	}
614		804
615	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
616	}	806	}
617		807
…		…
619	if (ref $_[0]) {	809	if (ref $_[0]) {
620	_object_attach @_;	810	_object_attach @_;
621	} else {	811	} else {
622	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
623	}	813	}
		814	_recalc_want;
624	};	815	};
625		816
626	# all those should be optimised	817	# all those should be optimised
627	sub cf::attachable::detach {	818	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
632	reattach ($obj);	823	reattach ($obj);
633	} else {	824	} else {
634	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
635	}	826	}
		827	_recalc_want;
636	};	828	};
637		829
638	sub cf::attachable::attached {	830	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
640		832
…		…
787	}	979	}
788	} else {	980	} else {
789	aio_unlink $filename;	981	aio_unlink $filename;
790	aio_unlink "$filename.pst";	982	aio_unlink "$filename.pst";
791	}	983	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	984	}
799	}	985	}
800		986
801	sub object_freezer_as_string {	987	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	988	my ($rdata, $objs) = @_;
…		…
808		994
809	sub object_thawer_load {	995	sub object_thawer_load {
810	my ($filename) = @_;	996	my ($filename) = @_;
811		997
812	my ($data, $av);	998	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		999
817	(aio_load $filename, $data) >= 0	1000	(aio_load $filename, $data) >= 0
818	or return;	1001	or return;
819		1002
820	unless (aio_stat "$filename.pst") {	1003	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1005	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1007	}
825		1008
826	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1011	return ($data, $av);
829	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
830		1019
831	#############################################################################	1020	#############################################################################
832	# command handling &c	1021	# command handling &c
833		1022
834	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1037	}
849		1038
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1040
852	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
853		1046
854	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
855	called.	1048	called.
856		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
857	=cut	1061	=cut
858		1062
859	sub register_extcmd {	1063	sub register_extcmd {
860	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
861		1065
862	$EXTCMD{$name} = $cb;	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
863	}	1073	}
864		1074
865	cf::player->attach (	1075	cf::player->attach (
866	on_command => sub {	1076	on_command => sub {
867	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1086	cf::override;
877	},	1087	},
878	on_extcmd => sub {	1088	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
880		1090
881	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1092
883	if (ref $msg) {	1093	if (ref $msg) {
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
885	if (my %reply = $cb->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
886	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
892		1102
893	cf::override;	1103	cf::override;
894	},	1104	},
895	);	1105	);
896		1106
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
932	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1112	next unless -r $path;
934	eval {	1113
935	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
936	1	1171	}
937	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
938	}	1177	};
939	}	1178	}
940		1179
941	#############################################################################	1180	#############################################################################
942		1181
		1182	=back
		1183
943	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
944		1185
945	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
946		1187
947	=cut	1188	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
960		1201
961	=cut	1202	=cut
962		1203
963	sub playerdir($) {	1204	sub playerdir($) {
964	cf::localdir	1205	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1207	}
970		1208
971	sub path($) {	1209	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1211
974	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
975	}	1213	}
976		1214
977	sub find_active($) {	1215	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1230	my $login = $_[0];
993		1231
994	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
995		1233
996	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
997	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
998	or return;	1243	or return;
999	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1000	}	1245	}
1001	}	1246	}
…		…
1038		1283
1039	=cut	1284	=cut
1040		1285
1041	sub quit_character {	1286	sub quit_character {
1042	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1043		1290
1044	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1293
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1057	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1058	}	1325	}
1059		1326
1060	=item cf::player::list_logins	1327	=item cf::player::list_logins
1061		1328
1062	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1064		1331
1065	=cut	1332	=cut
1066		1333
1067	sub list_logins {	1334	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1336	or return [];
1070		1337
1071	my @logins;	1338	my @logins;
1072		1339
1073	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1108	}	1375	}
1109		1376
1110	\@paths	1377	\@paths
1111	}	1378	}
1112		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1428	=item $player->ext_reply ($msgid, %msg)
1114		1429
1115	Sends an ext reply to the player.	1430	Sends an ext reply to the player.
1116		1431
1117	=cut	1432	=cut
1118		1433
1119	sub ext_reply($$$%) {	1434	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1435	my ($self, $id, %msg) = @_;
1121		1436
1122	$msg{msgid} = $id;	1437	$msg{msgid} = $id;
1123		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1439	}
1126		1440
1127	package cf;	1441	=item $player->ext_event ($type, %msg)
		1442
		1443	Sends an ext event to the client.
		1444
		1445	=cut
		1446
		1447	sub ext_event($$%) {
		1448	my ($self, $type, %msg) = @_;
		1449
		1450	$self->ns->ext_event ($type, %msg);
		1451	}
		1452
		1453	=head3 cf::region
		1454
		1455	=over 4
		1456
		1457	=cut
		1458
		1459	package cf::region;
		1460
		1461	=item cf::region::find_by_path $path
		1462
		1463	Tries to decuce the likely region for a map knowing only its path.
		1464
		1465	=cut
		1466
		1467	sub find_by_path($) {
		1468	my ($path) = @_;
		1469
		1470	my ($match, $specificity);
		1471
		1472	for my $region (list) {
		1473	if ($region->match && $path =~ $region->match) {
		1474	($match, $specificity) = ($region, $region->specificity)
		1475	if $region->specificity > $specificity;
		1476	}
		1477	}
		1478
		1479	$match
		1480	}
1128		1481
1129	=back	1482	=back
1130
1131		1483
1132	=head3 cf::map	1484	=head3 cf::map
1133		1485
1134	=over 4	1486	=over 4
1135		1487
…		…
1190	my ($self, $merge) = @_;	1542	my ($self, $merge) = @_;
1191		1543
1192	# we have to keep some variables in memory intact	1544	# we have to keep some variables in memory intact
1193	local $self->{path};	1545	local $self->{path};
1194	local $self->{load_path};	1546	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1547
1198	$self->SUPER::thawer_merge ($merge);	1548	$self->SUPER::thawer_merge ($merge);
1199	}	1549	}
1200		1550
1201	sub normalise {	1551	sub normalise {
…		…
1273		1623
1274	# the original (read-only) location	1624	# the original (read-only) location
1275	sub load_path {	1625	sub load_path {
1276	my ($self) = @_;	1626	my ($self) = @_;
1277		1627
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1628	"$MAPDIR/$self->{path}.map"
1279	}	1629	}
1280		1630
1281	# the temporary/swap location	1631	# the temporary/swap location
1282	sub save_path {	1632	sub save_path {
1283	my ($self) = @_;	1633	my ($self) = @_;
1284		1634
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1636	"$TMPDIR/$path.map"
1287	}	1637	}
1288		1638
1289	# the unique path, undef == no special unique path	1639	# the unique path, undef == no special unique path
1290	sub uniq_path {	1640	sub uniq_path {
1291	my ($self) = @_;	1641	my ($self) = @_;
1292		1642
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1644	"$UNIQUEDIR/$path"
1295	}	1645	}
1296		1646
1297	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1298	# all maps in C++...	1648	# all maps in C++...
1299	sub change_all_map_light {	1649	sub change_all_map_light {
…		…
1301		1651
1302	$_->change_map_light ($change)	1652	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1653	for grep $_->outdoor, values %cf::MAP;
1304	}	1654	}
1305		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
		1662	}
		1663
1306	sub unlink_save {	1664	sub unlink_save {
1307	my ($self) = @_;	1665	my ($self) = @_;
1308		1666
1309	utf8::encode (my $save = $self->save_path);	1667	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1669	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1670	}
1318		1671
1319	sub load_header_from($) {	1672	sub load_header_from($) {
1320	my ($self, $path) = @_;	1673	my ($self, $path) = @_;
1321		1674
…		…
1371	$self->load_header_orig	1724	$self->load_header_orig
1372	or return;	1725	or return;
1373	$self->prepare_orig;	1726	$self->prepare_orig;
1374	}	1727	}
1375		1728
		1729	$self->{deny_reset} = 1
		1730	if $self->no_reset;
		1731
		1732	$self->default_region (cf::region::find_by_path $self->{path})
		1733	unless $self->default_region;
		1734
1376	1	1735	1
1377	}	1736	}
1378		1737
1379	sub find;	1738	sub find;
1380	sub find {	1739	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1751	$map->{last_save} = $cf::RUNTIME;
1393		1752
1394	$map->load_header	1753	$map->load_header
1395	or return;	1754	or return;
1396		1755
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1757	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1758	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1759	$map->reset;
1401	undef $guard;	1760	undef $guard;
1402	return find $path;	1761	return find $path;
…		…
1413	my ($self) = @_;	1772	my ($self) = @_;
1414		1773
1415	local $self->{deny_reset} = 1; # loading can take a long time	1774	local $self->{deny_reset} = 1; # loading can take a long time
1416		1775
1417	my $path = $self->{path};	1776	my $path = $self->{path};
		1777
		1778	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1779	my $guard = cf::lock_acquire "map_load:$path";
1419		1780
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1781	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1782
1422	$self->in_memory (cf::MAP_LOADING);	1783	$self->in_memory (cf::MAP_LOADING);
1423		1784
1424	$self->alloc;	1785	$self->alloc;
1425		1786
1426	$self->pre_load;	1787	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1788	Coro::cede;
1452	$self->set_darkness_map;	1789
		1790	$self->_load_objects ($self->{load_path}, 1)
		1791	or return;
		1792
		1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1794	if delete $self->{load_original};
		1795
		1796	if (my $uniq = $self->uniq_path) {
		1797	utf8::encode $uniq;
		1798	if (aio_open $uniq, O_RDONLY, 0) {
		1799	$self->clear_unique_items;
		1800	$self->_load_objects ($uniq, 0);
		1801	}
		1802	}
		1803
		1804	Coro::cede;
		1805	# now do the right thing for maps
		1806	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1807	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1808	unless $self->difficulty;
1455	Coro::cede;	1809	Coro::cede;
		1810
		1811	unless ($self->{deny_activate}) {
		1812	$self->decay_objects;
		1813	$self->fix_auto_apply;
		1814	$self->update_buttons;
		1815	Coro::cede;
		1816	$self->set_darkness_map;
		1817	Coro::cede;
1456	$self->activate;	1818	$self->activate;
		1819	}
		1820
		1821	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1822	}
1458		1823
1459	$self->post_load;	1824	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1825	}
1463		1826
1464	sub customise_for {	1827	sub customise_for {
1465	my ($self, $ob) = @_;	1828	my ($self, $ob) = @_;
1466		1829
1467	return find "~" . $ob->name . "/" . $self->{path}	1830	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1831	if $self->per_player;
		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
1469		1835
1470	$self	1836	$self
1471	}	1837	}
1472		1838
1473	# find and load all maps in the 3x3 area around a map	1839	# find and load all maps in the 3x3 area around a map
…		…
1584		1950
1585	sub reset_at {	1951	sub reset_at {
1586	my ($self) = @_;	1952	my ($self) = @_;
1587		1953
1588	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1591		1956
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1959
…		…
1605	my ($self) = @_;	1970	my ($self) = @_;
1606		1971
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1973
1609	return if $self->players;	1974	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1975
1612	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
		1977
		1978	$self->in_memory (cf::MAP_SWAPPED);
		1979
		1980	# need to save uniques path
		1981	unless ($self->{deny_save}) {
		1982	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1983
		1984	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1985	if $uniq;
		1986	}
1613		1987
1614	delete $cf::MAP{$self->path};	1988	delete $cf::MAP{$self->path};
1615		1989
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	1990	$self->clear;
1618		1991
1619	$_->clear_links_to ($self) for values %cf::MAP;	1992	$_->clear_links_to ($self) for values %cf::MAP;
1620		1993
1621	$self->unlink_save;	1994	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	2013	$cf::MAP{$self->path} = $self;
1641		2014
1642	$self->reset; # polite request, might not happen	2015	$self->reset; # polite request, might not happen
1643	}	2016	}
1644		2017
		2018	=item $maps = cf::map::tmp_maps
		2019
		2020	Returns an arrayref with all map paths of currently instantiated and saved
		2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
		2026	[
		2027	map {
		2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
		2034	}
		2035
		2036	=item $maps = cf::map::random_maps
		2037
		2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
		2040
		2041	=cut
		2042
		2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
		2052	}
		2053
1645	=item cf::map::unique_maps	2054	=item cf::map::unique_maps
1646		2055
1647	Returns an arrayref of paths of all shared maps that have	2056	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2057	instantiated unique items. May block.
1649		2058
1650	=cut	2059	=cut
1651		2060
1652	sub unique_maps() {	2061	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2062	[
1654	or return;	2063	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2064	utf8::decode $_;
1660	next if /\.pst$/;	2065	/\.map$/
1661	next unless /^$PATH_SEP/o;	2066	? normalise $_
1662		2067	: ()
1663	push @paths, cf::map::normalise $_;	2068	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2069	]
1665
1666	\@paths
1667	}	2070	}
1668		2071
1669	package cf;	2072	package cf;
1670		2073
1671	=back	2074	=back
…		…
1717		2120
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2122
1720	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1722	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1725	}	2142	}
1726	}	2143	}
1727		2144
1728	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1729		2146
…		…
1777	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
1778		2195
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2197
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2199	if $self->map && $self->map->{path} ne "{link}";
1783		2200
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2202	}
1786		2203
1787	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
		2206
		2207	return unless $self->contr->active;
1789		2208
1790	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1791		2210
1792	unless ($map) {	2211	unless ($map) {
1793	# restore original map position	2212	# restore original map position
…		…
1811	$map->load;	2230	$map->load;
1812	$map->load_diag;	2231	$map->load_diag;
1813		2232
1814	return unless $self->contr->active;	2233	return unless $self->contr->active;
1815	$self->activate_recursive;	2234	$self->activate_recursive;
		2235
		2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1817	}	2238	}
1818		2239
1819	cf::player->attach (
1820	on_logout => sub {
1821	my ($pl) = @_;
1822
1823	# abort map switching before logout
1824	if ($pl->ob->{_link_pos}) {
1825	cf::sync_job {
1826	$pl->ob->leave_link
1827	};
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1852		2241
		2242	Moves the player to the given map-path and coordinates by first freezing
		2243	her, loading and preparing them map, calling the provided $check callback
		2244	that has to return the map if sucecssful, and then unfreezes the player on
		2245	the new (success) or old (failed) map position.
		2246
1853	=cut	2247	=cut
		2248
		2249	our $GOTOGEN;
1854		2250
1855	sub cf::object::player::goto {	2251	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
		2253
		2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2256
1858	$self->enter_link;	2257	$self->enter_link;
1859		2258
1860	(async {	2259	(async {
1861	my $map = eval {	2260	my $map = eval {
1862	my $map = cf::map::find $path;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
		2265	$map = $check->($map) if $check && $map;
		2266	} else {
		2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2268	}
		2269
1864	$map	2270	$map
		2271	};
		2272
		2273	if ($@) {
		2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2275	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2276	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1869	})->prio (1);	2282	})->prio (1);
1870	}	2283	}
1871		2284
1872	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1873		2286
…		…
1912		2325
1913	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1914		2327
1915	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2330	my $meta = "$RANDOMDIR/$md5.meta";
1918		2331
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2333	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2334	undef $fh;
1922	aio_rename "$meta~", $meta;	2335	aio_rename "$meta~", $meta;
…		…
1931		2344
1932	return unless $self->type == cf::PLAYER;	2345	return unless $self->type == cf::PLAYER;
1933		2346
1934	if ($exit->slaying eq "/!") {	2347	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2349	# the problem is that $exit might not survive long enough
		2350	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2351	cf::sync_job { prepare_random_map $exit };
1937	}	2352	}
1938		2353
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2355	my $hp = $exit->stats->hp;
…		…
1948	$self->goto ($slaying, $hp, $sp);	2363	$self->goto ($slaying, $hp, $sp);
1949		2364
1950	1;	2365	1;
1951	}) {	2366	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2367	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2368	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2369	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2370	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2371
1957	warn "ERROR in enter_exit: $@";	2372	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2373	$self->leave_link;
1959	}	2374	}
1960	})->prio (1);	2375	})->prio (1);
…		…
1973		2388
1974	sub cf::client::send_drawinfo {	2389	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2390	my ($self, $text, $flags) = @_;
1976		2391
1977	utf8::encode $text;	2392	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2394	}
1980		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
		2434	=item $client->ext_event ($type, %msg)
		2435
		2436	Sends an ext event to the client.
		2437
		2438	=cut
		2439
		2440	sub cf::client::ext_event($$%) {
		2441	my ($self, $type, %msg) = @_;
		2442
		2443	$msg{msgtype} = "event_$type";
		2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2445	}
1981		2446
1982	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
1983		2448
1984	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2450	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2452
1988	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2454	become reliable at some point in the future.
1990		2455
1991	=cut	2456	=cut
1992		2457
1993	sub cf::client::query {	2458	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2467	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2469
2005	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
2007	}	2474	}
2008		2475
2009	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
2010	on_reply => sub {	2482	on_reply => sub {
2011	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
2012		2484
2013	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
2014	# get handled first	2486	# get handled first
…		…
2026	} else {	2498	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2500	}
2029	}	2501	}
2030	},	2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
		2520	},
2031	);	2521	);
2032		2522
2033	=item $client->async (\&cb)	2523	=item $client->async (\&cb)
2034		2524
2035	Create a new coroutine, running the specified callback. The coroutine will	2525	Create a new coroutine, running the specified callback. The coroutine will
…		…
2082		2572
2083	# here we export the classes and methods available to script code	2573	# here we export the classes and methods available to script code
2084		2574
2085	=pod	2575	=pod
2086		2576
2087	The following fucntions and emthods are available within a safe environment:	2577	The following functions and methods are available within a safe environment:
2088		2578
2089	cf::object contr pay_amount pay_player map	2579	cf::object contr pay_amount pay_player map
2090	cf::object::player player	2580	cf::object::player player
2091	cf::player peaceful	2581	cf::player peaceful
2092	cf::map trigger	2582	cf::map trigger
…		…
2173	=back	2663	=back
2174		2664
2175	=cut	2665	=cut
2176		2666
2177	#############################################################################	2667	#############################################################################
2178
2179	=head2 EXTENSION DATABASE SUPPORT
2180
2181	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184
2185	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.
2187
2188	=over 4
2189
2190	=item $value = cf::db_get $family => $key
2191
2192	Returns a single value from the database.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family.
2197
2198	=cut
2199
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};
2215
2216	my $path = cf::localdir . "/database.pst";
2217	if (stat $path) {
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220
2221	cf::db_put (board => data => $pst->{board});
2222	cf::db_put (guildrules => data => $pst->{guildrules});
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225
2226	unlink $path;
2227	};
2228	}
2229	}
2230
2231	sub db_get($$) {
2232	my $key = "$_[0]/$_[1]";
2233
2234	cf::sync_job {
2235	BDB::db_get $DB, undef, $key, my $data;
2236
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}
2240	}
2241
2242	sub db_put($$$) {
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246
2247	#############################################################################
2248	# the server's init and main functions	2668	# the server's init and main functions
2249		2669
2250	sub load_resources {	2670	sub load_facedata($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2671	my ($path) = @_;
		2672
		2673	warn "loading facedata from $path\n";
		2674
		2675	my $facedata;
		2676	0 < aio_load $path, $facedata
		2677	or die "$path: $!";
		2678
		2679	$facedata = Coro::Storable::thaw $facedata;
		2680
		2681	$facedata->{version} == 2
		2682	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2683
		2684	{
		2685	my $faces = $facedata->{faceinfo};
		2686
		2687	while (my ($face, $info) = each %$faces) {
		2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2692	Coro::cede;
		2693	}
		2694
		2695	while (my ($face, $info) = each %$faces) {
		2696	next unless $info->{smooth};
		2697	my $idx = cf::face::find $face
		2698	or next;
		2699	if (my $smooth = cf::face::find $info->{smooth}) {
		2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2701	} else {
		2702	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2703	}
		2704	Coro::cede;
		2705	}
		2706	}
		2707
		2708	{
		2709	my $anims = $facedata->{animinfo};
		2710
		2711	while (my ($anim, $info) = each %$anims) {
		2712	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2713	Coro::cede;
		2714	}
		2715
		2716	cf::anim::invalidate_all; # d'oh
		2717	}
		2718
		2719	1
		2720	}
		2721
		2722	sub reload_regions {
		2723	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	2724	or die "unable to load regions file\n";
		2725	}
		2726
		2727	sub reload_facedata {
		2728	load_facedata "$DATADIR/facedata"
		2729	or die "unable to load facedata\n";
		2730	}
		2731
		2732	sub reload_archetypes {
		2733	load_resource_file "$DATADIR/archetypes"
		2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
		2740	}
		2741
		2742	sub reload_treasures {
		2743	load_resource_file "$DATADIR/treasures"
		2744	or die "unable to load treasurelists\n";
		2745	}
		2746
		2747	sub reload_resources {
		2748	warn "reloading resource files...\n";
		2749
		2750	reload_regions;
		2751	reload_facedata;
		2752	#reload_archetypes;#d#
		2753	reload_archetypes;
		2754	reload_treasures;
		2755
		2756	warn "finished reloading resource files\n";
		2757	}
		2758
		2759	sub init {
		2760	reload_resources;
2253	}	2761	}
2254		2762
2255	sub cfg_load {	2763	sub cfg_load {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	2765	or return;
2258		2766
2259	local $/;	2767	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
2261		2769
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2777	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	2778	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	2779	};
2272	warn $@ if $@;	2780	warn $@ if $@;
2273	}	2781	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	2782	}
2279		2783
2280	sub main {	2784	sub main {
2281	# we must not ever block the main coroutine	2785	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	2786	local $Coro::idle = sub {
…		…
2285	Event::one_event;	2789	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	2790	})->prio (Coro::PRIO_MAX);
2287	};	2791	};
2288		2792
2289	cfg_load;	2793	cfg_load;
		2794	db_init;
2290	load_extensions;	2795	load_extensions;
2291		2796
2292	$TICK_WATCHER->start;	2797	$TICK_WATCHER->start;
2293	Event::loop;	2798	Event::loop;
2294	}	2799	}
…		…
2309	},	2814	},
2310	);	2815	);
2311	}	2816	}
2312	}	2817	}
2313		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
2314	sub emergency_save() {	2857	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	2858	my $freeze_guard = cf::freeze_mainloop;
2316		2859
2317	warn "enter emergency perl save\n";	2860	warn "enter emergency perl save\n";
2318		2861
…		…
2342	};	2885	};
2343		2886
2344	warn "leave emergency perl save\n";	2887	warn "leave emergency perl save\n";
2345	}	2888	}
2346		2889
		2890	sub post_cleanup {
		2891	my ($make_core) = @_;
		2892
		2893	warn Carp::longmess "post_cleanup backtrace"
		2894	if $make_core;
		2895	}
		2896
2347	sub reload() {	2897	sub do_reload_perl() {
2348	# can/must only be called in main	2898	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	2900	warn "can only reload from main coroutine";
2351	return;	2901	return;
2352	}	2902	}
2353		2903
2354	warn "reloading...";	2904	warn "reloading...";
2355		2905
2356	warn "cancelling server ticker";	2906	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		2907
		2908	cf::sync_job {
		2909	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	2910	cf::emergency_save;
		2911	cf::write_runtime; # external watchdog should not bark
2360		2912
2361	eval {	2913	warn "syncing database to disk";
		2914	BDB::db_env_txn_checkpoint $DB_ENV;
		2915
2362	# if anything goes wrong in here, we should simply crash as we already saved	2916	# if anything goes wrong in here, we should simply crash as we already saved
2363		2917
2364	warn "cancelling all WF_AUTOCANCEL watchers";	2918	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	2919	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	2921	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		2922
2372	warn "flushing outstanding aio requests";	2923	warn "flushing outstanding aio requests";
2373	for (;;) {	2924	for (;;) {
2374	BDB::flush;	2925	BDB::flush;
2375	IO::AIO::flush;	2926	IO::AIO::flush;
2376	Coro::cede;	2927	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	2928	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	2929	warn "iterate...";
2379	}	2930	}
2380		2931
		2932	++$RELOAD;
		2933
2381	warn "cancelling all extension coros";	2934	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	2935	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	2936	%EXT_CORO = ();
2384		2937
2385	warn "removing commands";	2938	warn "removing commands";
2386	%COMMAND = ();	2939	%COMMAND = ();
2387		2940
2388	warn "removing ext commands";	2941	warn "removing ext/exti commands";
2389	%EXTCMD = ();	2942	%EXTCMD = ();
		2943	%EXTICMD = ();
2390		2944
2391	warn "unloading/nuking all extensions";	2945	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	2946	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	2947	warn "... unloading $pkg";
2394		2948
…		…
2424	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		2980
2427	warn "unloading cf.pm \"a bit\"";	2981	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
2429		2984
2430	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
2431	# and global variables created in xs	2986	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
2433		2988
…		…
2442		2997
2443	warn "loading extensions";	2998	warn "loading extensions";
2444	cf::load_extensions;	2999	cf::load_extensions;
2445		3000
2446	warn "reattaching attachments to objects/players";	3001	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3002	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3003	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3004	reattach $_ for values %MAP;
		3005	warn "reattaching attachments to players";
		3006	reattach $_ for values %PLAYER;
2450		3007
2451	warn "loading reloadable resources";	3008	warn "leaving sync_job";
2452	load_resources;
2453		3009
2454	warn "restarting server ticker";	3010	1
2455		3011	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3012	warn $@;
2461	warn "error while reloading, exiting.";	3013	warn "error while reloading, exiting.";
2462	exit 1;	3014	exit 1;
2463	}	3015	};
2464		3016
2465	warn "reloaded";	3017	warn "reloaded";
2466	};	3018	};
2467		3019
2468	our $RELOAD_WATCHER; # used only during reload	3020	our $RELOAD_WATCHER; # used only during reload
2469		3021
		3022	sub reload_perl() {
		3023	# doing reload synchronously and two reloads happen back-to-back,
		3024	# coro crashes during coro_state_free->destroy here.
		3025
		3026	$RELOAD_WATCHER ||= Event->timer (
		3027	reentrant => 0,
		3028	after => 0,
		3029	data => WF_AUTOCANCEL,
		3030	cb => sub {
		3031	do_reload_perl;
		3032	undef $RELOAD_WATCHER;
		3033	},
		3034	);
		3035	}
		3036
2470	register_command "reload" => sub {	3037	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2472		3039
2473	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3041	$who->message ("reloading server.");
2475		3042	async { reload_perl };
2476	# doing reload synchronously and two reloads happen back-to-back,
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);
2488	}	3043	}
2489	};	3044	};
2490		3045
2491	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2492		3047
2493	my $bug_warning = 0;	3048	my $bug_warning = 0;
2494		3049
		3050	our @WAIT_FOR_TICK;
		3051	our @WAIT_FOR_TICK_BEGIN;
		3052
		3053	sub wait_for_tick {
		3054	return unless $TICK_WATCHER->is_active;
		3055	return if $Coro::current == $Coro::main;
		3056
		3057	my $signal = new Coro::Signal;
		3058	push @WAIT_FOR_TICK, $signal;
		3059	$signal->wait;
		3060	}
		3061
		3062	sub wait_for_tick_begin {
		3063	return unless $TICK_WATCHER->is_active;
		3064	return if $Coro::current == $Coro::main;
		3065
		3066	my $signal = new Coro::Signal;
		3067	push @WAIT_FOR_TICK_BEGIN, $signal;
		3068	$signal->wait;
		3069	}
		3070
		3071	my $min = 1e6;#d#
		3072	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	3074	reentrant => 0,
2497	parked => 1,	3075	parked => 1,
2498	prio => 0,	3076	prio => 0,
2499	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3082	unless ++$bug_warning > 10;
2505	return;	3083	return;
2506	}	3084	}
2507		3085
2508	$NOW = Event::time;	3086	$NOW = $tick_start = Event::time;
2509		3087
2510	cf::server_tick; # one server iteration	3088	cf::server_tick; # one server iteration
		3089
		3090	0 && sync_job {#d#
		3091	for(1..10) {
		3092	my $t = Event::time;
		3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3094	or die;
		3095
		3096	$map->width (50);
		3097	$map->height (50);
		3098	$map->alloc;
		3099	$map->_load_objects ("/tmp/x.map", 1);
		3100	my $t = Event::time - $t;
		3101
		3102	#next unless $t < 0.0013;#d#
		3103	if ($t < $min) {
		3104	$min = $t;
		3105	}
		3106	$avg = $avg * 0.99 + $t * 0.01;
		3107	}
		3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3109	exit 0;
		3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3111	};
		3112
2511	$RUNTIME += $TICK;	3113	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2513		3115
2514	$WAIT_FOR_TICK->broadcast;	3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3118	Coro::async_pool {
2517	Event::sweep;	3119	write_runtime
2518	Coro::cede_notself;	3120	or warn "ERROR: unable to write runtime file: $!";
		3121	};
2519		3122	}
		3123
2520	# my $AFTER = Event::time;	3124	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	3125	# warn $AFTER - $NOW;#d#
2522		3126
		3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3128	$sig->send;
		3129	}
		3130	while (my $sig = shift @WAIT_FOR_TICK) {
		3131	$sig->send;
		3132	}
		3133
		3134	$NOW = Event::time;
		3135
2523	# if we are delayed by four ticks or more, skip them all	3136	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		3138
2526	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	3140	$TICK_WATCHER->start;
		3141
		3142	$LOAD = ($NOW - $tick_start) / $TICK;
		3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3144
		3145	_post_tick;
		3146
		3147
2528	},	3148	},
2529	);	3149	);
2530		3150
2531	{	3151	{
2532	BDB::max_poll_time $TICK * 0.1;	3152	BDB::max_poll_time $TICK * 0.1;
…		…
2560		3180
2561	cf::sync_job {	3181	cf::sync_job {
2562	eval {	3182	eval {
2563	BDB::db_env_open	3183	BDB::db_env_open
2564	$DB_ENV,	3184	$DB_ENV,
2565	$BDB_ENV_DIR,	3185	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3188	0666;
2569		3189
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		3191
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	3193	$DB_ENV->set_lk_detect;
2574	};	3194	};
2575		3195
…		…
2583		3203
2584	undef $Coro::AIO::WATCHER;	3204	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3205	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3206	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3207	reentrant => 0,
		3208	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3209	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3210	poll => 'r',
2590	prio => 6,	3211	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3212	cb => \&IO::AIO::poll_cb,
2593	);	3213	);
2594	}	3214	}
2595		3215
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3216	my $_log_backtrace;
2597	reentrant => 0,	3217
2598	data => WF_AUTOCANCEL,	3218	sub _log_backtrace {
2599	after => 1,	3219	my ($msg, @addr) = @_;
2600	interval => 10,	3220
2601	prio => 6, # keep it lowest so it acts like a watchdog	3221	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3222
2603	write_runtime	3223	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3224	if ($_log_backtrace < 2) {
		3225	++$_log_backtrace;
		3226	async {
		3227	my @bt = fork_call {
		3228	@addr = map { sprintf "%x", $_ } @addr;
		3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3231	or die "addr2line: $!";
		3232
		3233	my @funcs;
		3234	my @res = <$fh>;
		3235	chomp for @res;
		3236	while (@res) {
		3237	my ($func, $line) = splice @res, 0, 2, ();
		3238	push @funcs, "[$func] $line";
		3239	}
		3240
		3241	@funcs
		3242	};
		3243
		3244	LOG llevInfo, "[ABT] $msg\n";
		3245	LOG llevInfo, "[ABT] $_\n" for @bt;
		3246	--$_log_backtrace;
		3247	};
		3248	} else {
		3249	LOG llevInfo, "[ABT] $msg\n";
		3250	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3251	}
2606	);	3252	}
		3253
		3254	# load additional modules
		3255	use cf::pod;
2607		3256
2608	END { cf::emergency_save }	3257	END { cf::emergency_save }
2609		3258
2610	1	3259	1
2611		3260

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