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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 1.277 by root, Sun Jun 10 04:24:50 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
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		39
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$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
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	53	our %EXTCMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	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(!)
52	our $TICK_WATCHER;	73	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	76	our $NEXT_TICK;
56	our $NOW;	77	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		79
59	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	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		91
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	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		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	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
113	every server tick.	129	every server tick.
114		130
115	=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
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	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.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	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
136	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
137	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.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		194
163	# 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
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	235	$d
204	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
205	}	237	}
206		238
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		240
209	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
210		242
211	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
212		244
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
221		246
222	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		248
231	=item cf::lock_wait $string	249	=item cf::lock_wait $string
232		250
233	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
234		252
…		…
240	returned.	258	returned.
241		259
242	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
244		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
245	=cut	267	=cut
246		268
247	our %LOCK;	269	our %LOCK;
248		270
249	sub lock_wait($) {	271	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
270	}	292	}
271	}	293	}
272		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
273	sub freeze_mainloop {	301	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
275		303
276	my $guard = Coro::guard {	304	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	306	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
282	$guard	308	$guard
283	}	309	}
284		310
285	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
307		333
308	sub sync_job(&) {	334	sub sync_job(&) {
309	my ($job) = @_;	335	my ($job) = @_;
310		336
311	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
312	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
314		342
315	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
327		355
328	while ($busy) {	356	while ($busy) {
329	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
330	}	358	}
331		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
332	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
333	} else {	368	} else {
334	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
335		370
336	$job->()	371	$job->()
…		…
356		391
357	$coro	392	$coro
358	}	393	}
359		394
360	sub write_runtime {	395	sub write_runtime {
361	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
362		404
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364	or return;	406	or return;
365		407
366	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
372		414
373	# always fsync - this file is important	415	# always fsync - this file is important
374	aio_fsync $fh	416	aio_fsync $fh
375	and return;	417	and return;
376		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
377	close $fh	422	close $fh
378	or return;	423	or return;
379		424
380	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
381	and return;	426	and return;
382		427
		428	warn "runtime file written.\n";
		429
383	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	442	}
385		443
386	=back	444	=back
387		445
388	=cut	446	=cut
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
569		627
570	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		632
575	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	634	my $pkg = shift @arg;
577		635
578	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
619	if (ref $_[0]) {	677	if (ref $_[0]) {
620	_object_attach @_;	678	_object_attach @_;
621	} else {	679	} else {
622	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
623	}	681	}
		682	_recalc_want;
624	};	683	};
625		684
626	# all those should be optimised	685	# all those should be optimised
627	sub cf::attachable::detach {	686	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
632	reattach ($obj);	691	reattach ($obj);
633	} else {	692	} else {
634	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
635	}	694	}
		695	_recalc_want;
636	};	696	};
637		697
638	sub cf::attachable::attached {	698	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
640		700
…		…
787	}	847	}
788	} else {	848	} else {
789	aio_unlink $filename;	849	aio_unlink $filename;
790	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
791	}	851	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	852	}
799	}	853	}
800		854
801	sub object_freezer_as_string {	855	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
808		862
809	sub object_thawer_load {	863	sub object_thawer_load {
810	my ($filename) = @_;	864	my ($filename) = @_;
811		865
812	my ($data, $av);	866	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		867
817	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
818	or return;	869	or return;
819		870
820	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
822	or return;	873	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
824	}	875	}
825		876
826	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	879	return ($data, $av);
829	}	880	}
830		881
831	#############################################################################	882	#############################################################################
832	# command handling &c	883	# command handling &c
…		…
959	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
960		1011
961	=cut	1012	=cut
962		1013
963	sub playerdir($) {	1014	sub playerdir($) {
964	cf::localdir	1015	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1017	}
970		1018
971	sub path($) {	1019	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1021
974	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
975	}	1023	}
976		1024
977	sub find_active($) {	1025	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1040	my $login = $_[0];
993		1041
994	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
995		1043
996	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
997	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
998	or return;	1053	or return;
999	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1000	}	1055	}
1001	}	1056	}
…		…
1038		1093
1039	=cut	1094	=cut
1040		1095
1041	sub quit_character {	1096	sub quit_character {
1042	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1043		1100
1044	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1103
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1057	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1058	}	1135	}
1059		1136
1060	=item cf::player::list_logins	1137	=item cf::player::list_logins
1061		1138
1062	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1064		1141
1065	=cut	1142	=cut
1066		1143
1067	sub list_logins {	1144	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1146	or return [];
1070		1147
1071	my @logins;	1148	my @logins;
1072		1149
1073	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1108	}	1185	}
1109		1186
1110	\@paths	1187	\@paths
1111	}	1188	}
1112		1189
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1114		1191
1115	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1116		1193
1117	=cut	1194	=cut
1118		1195
1119	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1121		1198
1122	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1123		1200
1124	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1125	}	1202	}
1126		1203
1127	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1128		1244
1129	=back	1245	=back
1130
1131		1246
1132	=head3 cf::map	1247	=head3 cf::map
1133		1248
1134	=over 4	1249	=over 4
1135		1250
…		…
1190	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1191		1306
1192	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1193	local $self->{path};	1308	local $self->{path};
1194	local $self->{load_path};	1309	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1310
1198	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1199	}	1312	}
1200		1313
1201	sub normalise {	1314	sub normalise {
…		…
1273		1386
1274	# the original (read-only) location	1387	# the original (read-only) location
1275	sub load_path {	1388	sub load_path {
1276	my ($self) = @_;	1389	my ($self) = @_;
1277		1390
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1279	}	1392	}
1280		1393
1281	# the temporary/swap location	1394	# the temporary/swap location
1282	sub save_path {	1395	sub save_path {
1283	my ($self) = @_;	1396	my ($self) = @_;
1284		1397
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1287	}	1400	}
1288		1401
1289	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1290	sub uniq_path {	1403	sub uniq_path {
1291	my ($self) = @_;	1404	my ($self) = @_;
1292		1405
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1295	}	1408	}
1296		1409
1297	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1298	# all maps in C++...	1411	# all maps in C++...
1299	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1301		1414
1302	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1304	}	1417	}
1305		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1306	sub unlink_save {	1427	sub unlink_save {
1307	my ($self) = @_;	1428	my ($self) = @_;
1308		1429
1309	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1432	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	}	1433	}
1318		1434
1319	sub load_header_from($) {	1435	sub load_header_from($) {
1320	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1321		1437
…		…
1371	$self->load_header_orig	1487	$self->load_header_orig
1372	or return;	1488	or return;
1373	$self->prepare_orig;	1489	$self->prepare_orig;
1374	}	1490	}
1375		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
		1497
1376	1	1498	1
1377	}	1499	}
1378		1500
1379	sub find;	1501	sub find;
1380	sub find {	1502	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1393		1515
1394	$map->load_header	1516	$map->load_header
1395	or return;	1517	or return;
1396		1518
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1522	$map->reset;
1401	undef $guard;	1523	undef $guard;
1402	return find $path;	1524	return find $path;
…		…
1413	my ($self) = @_;	1535	my ($self) = @_;
1414		1536
1415	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1416		1538
1417	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1419		1543
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1545
1422	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1423		1547
1424	$self->alloc;	1548	$self->alloc;
1425		1549
1426	$self->pre_load;	1550	$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;	1551	Coro::cede;
1452	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1571	unless $self->difficulty;
1455	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1456	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1585	}
1458		1586
1459	$self->post_load;	1587	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1588	}
1463		1589
1464	sub customise_for {	1590	sub customise_for {
1465	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1466		1592
1467	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1469		1598
1470	$self	1599	$self
1471	}	1600	}
1472		1601
1473	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1584		1713
1585	sub reset_at {	1714	sub reset_at {
1586	my ($self) = @_;	1715	my ($self) = @_;
1587		1716
1588	# TODO: safety, remove and allow resettable per-player maps	1717	# 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};	1718	return 1e99 if $self->{deny_reset};
1591		1719
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		1722
…		…
1605	my ($self) = @_;	1733	my ($self) = @_;
1606		1734
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1736
1609	return if $self->players;	1737	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1738
1612	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1613		1750
1614	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1615		1752
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	1753	$self->clear;
1618		1754
1619	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1620		1756
1621	$self->unlink_save;	1757	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1641		1777
1642	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1643	}	1779	}
1644		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
1645	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1646		1818
1647	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	1820	instantiated unique items. May block.
1649		1821
1650	=cut	1822	=cut
1651		1823
1652	sub unique_maps() {	1824	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1654	or return;	1826	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	1827	utf8::decode $_;
1660	next if /\.pst$/;	1828	/\.map$/
1661	next unless /^$PATH_SEP/o;	1829	? normalise $_
1662		1830	: ()
1663	push @paths, cf::map::normalise $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	1832	]
1665
1666	\@paths
1667	}	1833	}
1668		1834
1669	package cf;	1835	package cf;
1670		1836
1671	=back	1837	=back
…		…
1777	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1778		1944
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		1946
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1783		1949
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	1951	}
1786		1952
1787	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1789		1957
1790	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1791		1959
1792	unless ($map) {	1960	unless ($map) {
1793	# restore original map position	1961	# restore original map position
…		…
1811	$map->load;	1979	$map->load;
1812	$map->load_diag;	1980	$map->load_diag;
1813		1981
1814	return unless $self->contr->active;	1982	return unless $self->contr->active;
1815	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1817	}	1987	}
1818		1988
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)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1852		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1853	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1854		1999
1855	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2005
1858	$self->enter_link;	2006	$self->enter_link;
1859		2007
1860	(async {	2008	(async {
1861	my $map = eval {	2009	my $map = eval {
1862	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
		2014	$map = $check->($map) if $check && $map;
		2015	} else {
		2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
		2018
1864	$map	2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2025	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1869	})->prio (1);	2031	})->prio (1);
1870	}	2032	}
1871		2033
1872	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1873		2035
…		…
1912		2074
1913	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1914		2076
1915	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1918		2080
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2083	undef $fh;
1922	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1931		2093
1932	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1933		2095
1934	if ($exit->slaying eq "/!") {	2096	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2100	cf::sync_job { prepare_random_map $exit };
1937	}	2101	}
1938		2102
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2104	my $hp = $exit->stats->hp;
…		…
1948	$self->goto ($slaying, $hp, $sp);	2112	$self->goto ($slaying, $hp, $sp);
1949		2113
1950	1;	2114	1;
1951	}) {	2115	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2120
1957	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2122	$self->leave_link;
1959	}	2123	}
1960	})->prio (1);	2124	})->prio (1);
…		…
1973		2137
1974	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1976		2140
1977	utf8::encode $text;	2141	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2143	}
1980		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1981		2157
1982	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1983		2159
1984	Queues a query to the client, calling the given callback with	2160	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>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2082		2258
2083	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2084		2260
2085	=pod	2261	=pod
2086		2262
2087	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2088		2264
2089	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2090	cf::object::player player	2266	cf::object::player player
2091	cf::player peaceful	2267	cf::player peaceful
2092	cf::map trigger	2268	cf::map trigger
…		…
2177	#############################################################################	2353	#############################################################################
2178		2354
2179	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2180		2356
2181	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2183	excludes objects.	2359	convert to/from binary).
2184		2360
2185	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.	2362	using it, it should be unique.
2187		2363
2188	=over 4	2364	=over 4
…		…
2197		2373
2198	=cut	2374	=cut
2199		2375
2200	our $DB;	2376	our $DB;
2201		2377
		2378	sub db_init {
2202	unless ($DB) {	2379	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;	2380	$DB = BDB::db_create $DB_ENV;
2204		2381
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 {	2382	cf::sync_job {
2219	my $pst = Storable::retrieve $path;	2383	eval {
		2384	$DB->set_flags (BDB::CHKSUM);
2220		2385
2221	cf::db_put (board => data => $pst->{board});	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	cf::db_put (guildrules => data => $pst->{guildrules});	2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	2388	cf::cleanup "db_open(db): $!" if $!;
2224	BDB::db_env_txn_checkpoint $DB_ENV;	2389	};
2225		2390	cf::cleanup "db_open(db): $@" if $@;
2226	unlink $path;
2227	};	2391	};
2228	}	2392	}
2229	}	2393	}
2230		2394
2231	sub db_get($$) {	2395	sub db_get($$) {
…		…
2233		2397
2234	cf::sync_job {	2398	cf::sync_job {
2235	BDB::db_get $DB, undef, $key, my $data;	2399	BDB::db_get $DB, undef, $key, my $data;
2236		2400
2237	$! ? ()	2401	$! ? ()
2238	: Compress::LZF::sthaw $data	2402	: $data
2239	}	2403	}
2240	}	2404	}
2241		2405
2242	sub db_put($$$) {	2406	sub db_put($$$) {
2243	BDB::dbreq_pri 4;	2407	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2409	}
		2410
		2411	=item cf::cache $id => [$paths...], $processversion => $process
		2412
		2413	Generic caching function that returns the value of the resource $id,
		2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
		2443	}
		2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2245	}	2523	}
2246		2524
2247	#############################################################################	2525	#############################################################################
2248	# the server's init and main functions	2526	# the server's init and main functions
2249		2527
2250	sub load_resources {	2528	sub load_facedata($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
2253	}	2614	}
2254		2615
2255	sub cfg_load {	2616	sub cfg_load {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	2618	or return;
2258		2619
2259	local $/;	2620	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2261		2622
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2630	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	2631	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	2632	};
2272	warn $@ if $@;	2633	warn $@ if $@;
2273	}	2634	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	2635	}
2279		2636
2280	sub main {	2637	sub main {
2281	# we must not ever block the main coroutine	2638	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	2639	local $Coro::idle = sub {
…		…
2285	Event::one_event;	2642	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	2643	})->prio (Coro::PRIO_MAX);
2287	};	2644	};
2288		2645
2289	cfg_load;	2646	cfg_load;
		2647	db_init;
2290	load_extensions;	2648	load_extensions;
2291		2649
2292	$TICK_WATCHER->start;	2650	$TICK_WATCHER->start;
2293	Event::loop;	2651	Event::loop;
2294	}	2652	}
…		…
2342	};	2700	};
2343		2701
2344	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2345	}	2703	}
2346		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2347	sub reload() {	2712	sub do_reload_perl() {
2348	# can/must only be called in main	2713	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	2715	warn "can only reload from main coroutine";
2351	return;	2716	return;
2352	}	2717	}
2353		2718
2354	warn "reloading...";	2719	warn "reloading...";
2355		2720
2356	warn "cancelling server ticker";	2721	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2360		2727
2361	eval {	2728	warn "syncing database to disk";
		2729	BDB::db_env_txn_checkpoint $DB_ENV;
		2730
2362	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2363		2732
2364	warn "cancelling all WF_AUTOCANCEL watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	2736	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		2737
2372	warn "flushing outstanding aio requests";	2738	warn "flushing outstanding aio requests";
2373	for (;;) {	2739	for (;;) {
2374	BDB::flush;	2740	BDB::flush;
2375	IO::AIO::flush;	2741	IO::AIO::flush;
2376	Coro::cede;	2742	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	2743	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	2744	warn "iterate...";
2379	}	2745	}
2380		2746
		2747	++$RELOAD;
		2748
2381	warn "cancelling all extension coros";	2749	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	2751	%EXT_CORO = ();
2384		2752
2385	warn "removing commands";	2753	warn "removing commands";
…		…
2424	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		2794
2427	warn "unloading cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2429		2798
2430	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2431	# and global variables created in xs	2800	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2433		2802
…		…
2442		2811
2443	warn "loading extensions";	2812	warn "loading extensions";
2444	cf::load_extensions;	2813	cf::load_extensions;
2445		2814
2446	warn "reattaching attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2447	_global_reattach;	2816	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	2817	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
		2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2450		2821
2451	warn "loading reloadable resources";	2822	warn "leaving sync_job";
2452	load_resources;
2453		2823
2454	warn "restarting server ticker";	2824	1
2455		2825	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	2826	warn $@;
2461	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2462	exit 1;	2828	exit 1;
2463	}	2829	};
2464		2830
2465	warn "reloaded";	2831	warn "reloaded";
2466	};	2832	};
2467		2833
2468	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2469		2835
		2836	sub reload_perl() {
		2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2470	register_command "reload" => sub {	2851	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2472		2853
2473	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2475		2856	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	}	2857	}
2489	};	2858	};
2490		2859
2491	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2492		2861
2493	my $bug_warning = 0;	2862	my $bug_warning = 0;
2494		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	2888	reentrant => 0,
2497	parked => 1,	2889	parked => 1,
2498	prio => 0,	2890	prio => 0,
2499	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	2896	unless ++$bug_warning > 10;
2505	return;	2897	return;
2506	}	2898	}
2507		2899
2508	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2509		2901
2510	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2511	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2513		2929
2514	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		2932	Coro::async_pool {
2517	Event::sweep;	2933	write_runtime
2518	Coro::cede_notself;	2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
2519		2936	}
		2937
2520	# my $AFTER = Event::time;	2938	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	2939	# warn $AFTER - $NOW;#d#
2522		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
		2949
2523	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		2952
2526	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2528	},	2962	},
2529	);	2963	);
2530		2964
2531	{	2965	{
2532	BDB::max_poll_time $TICK * 0.1;	2966	BDB::max_poll_time $TICK * 0.1;
…		…
2560		2994
2561	cf::sync_job {	2995	cf::sync_job {
2562	eval {	2996	eval {
2563	BDB::db_env_open	2997	BDB::db_env_open
2564	$DB_ENV,	2998	$DB_ENV,
2565	$BDB_ENV_DIR,	2999	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3002	0666;
2569		3003
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		3005
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	3007	$DB_ENV->set_lk_detect;
2574	};	3008	};
2575		3009
…		…
2583		3017
2584	undef $Coro::AIO::WATCHER;	3018	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3019	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3020	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3023	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3024	poll => 'r',
2590	prio => 6,	3025	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3026	cb => \&IO::AIO::poll_cb,
2593	);	3027	);
2594	}	3028	}
2595		3029
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3030	my $_log_backtrace;
2597	reentrant => 0,	3031
2598	data => WF_AUTOCANCEL,	3032	sub _log_backtrace {
2599	after => 1,	3033	my ($msg, @addr) = @_;
2600	interval => 10,	3034
2601	prio => 6, # keep it lowest so it acts like a watchdog	3035	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3036
2603	write_runtime	3037	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3065	}
2606	);	3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2607		3070
2608	END { cf::emergency_save }	3071	END { cf::emergency_save }
2609		3072
2610	1	3073	1
2611		3074

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