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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 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;
		32	use Compress::LZF;
27		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		41
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
34		44
35	$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
36		48
37	our %COMMAND = ();	49	our %COMMAND = ();
38	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
39		51
40	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	53	our %EXTCMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
44		56
		57	our $RELOAD; # number of reloads so far
45	our @EVENT;	58	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		59
48	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(!)
49	our $TICK_WATCHER;	73	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	76	our $NEXT_TICK;
53	our $NOW;	77	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		79
56	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	86	our $RUNTIME;
63		87
64	our %PLAYER; # all users	88	our %PLAYER; # all users
65	our %MAP; # all maps	89	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		91
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		98
76	binmode STDOUT;	99	binmode STDOUT;
77	binmode STDERR;	100	binmode STDERR;
78		101
79	# read virtual server time, if available	102	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
84	}	107	}
85		108
86	mkdir cf::localdir;	109	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		111
93	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
94		113
95	sub cf::map::normalise;	114	sub cf::map::normalise;
96		115
…		…
107	=item $cf::RUNTIME	126	=item $cf::RUNTIME
108		127
109	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
110	every server tick.	129	every server tick.
111		130
112	=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
113		134
114	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		139
117	=item $cf::NOW	140	=item $cf::NOW
118		141
119	The time of the last (current) server tick.	142	The time of the last (current) server tick.
120		143
121	=item $cf::TICK	144	=item $cf::TICK
122		145
123	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.
124		157
125	=item %cf::CFG	158	=item %cf::CFG
126		159
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	161	from wherever your confdir points to.
129		162
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		164
132	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
133	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
134	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.
135	window of cpu time available, or simply to synchronise to the server tick.
136		168
137	=back	169	=back
138		170
139	=cut	171	=cut
140		172
141	BEGIN {	173	BEGIN {
142	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	175	my $msg = join "", @_;
144	utf8::encode $msg;
145		176
146	$msg .= "\n"	177	$msg .= "\n"
147	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
148		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
149	LOG llevError, $msg;	183	LOG llevError, $msg;
150	};	184	};
151	}	185	}
152		186
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		194
160	# 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
161	# within the Safe compartment.	196	# within the Safe compartment.
162	for my $pkg (qw(	197	for my $pkg (qw(
163	cf::global cf::attachable	198	cf::global cf::attachable
…		…
199	$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;
200	$d	235	$d
201	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
202	}	237	}
203		238
204	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
205		240
206	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
207		242
208	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
209		244
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
218		246
219	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
220
221	=cut
222
223	sub to_json($) {
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
225	JSON::Syck::Dump $_[0]
226	}
227		248
228	=item cf::lock_wait $string	249	=item cf::lock_wait $string
229		250
230	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
231		252
…		…
237	returned.	258	returned.
238		259
239	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
240	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
241		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
242	=cut	267	=cut
243		268
244	our %LOCK;	269	our %LOCK;
245		270
246	sub lock_wait($) {	271	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
267	}	292	}
268	}	293	}
269		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
270	sub freeze_mainloop {	301	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
272		303
273	my $guard = Coro::guard {	304	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	306	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
279	$guard	308	$guard
280	}	309	}
281		310
282	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
304		333
305	sub sync_job(&) {	334	sub sync_job(&) {
306	my ($job) = @_;	335	my ($job) = @_;
307		336
308	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
309	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
311		342
312	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
324		355
325	while ($busy) {	356	while ($busy) {
326	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
327	}	358	}
328		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
329	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
330	} else {	368	} else {
331	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
332		370
333	$job->()	371	$job->()
…		…
353		391
354	$coro	392	$coro
355	}	393	}
356		394
357	sub write_runtime {	395	sub write_runtime {
358	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";
359		404
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
361	or return;	406	or return;
362		407
363	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
369		414
370	# always fsync - this file is important	415	# always fsync - this file is important
371	aio_fsync $fh	416	aio_fsync $fh
372	and return;	417	and return;
373		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
374	close $fh	422	close $fh
375	or return;	423	or return;
376		424
377	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
378	and return;	426	and return;
379		427
		428	warn "runtime file written.\n";
		429
380	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	442	}
382		443
383	=back	444	=back
384		445
385	=cut	446	=cut
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
566		627
567	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		632
572	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	634	my $pkg = shift @arg;
574		635
575	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
616	if (ref $_[0]) {	677	if (ref $_[0]) {
617	_object_attach @_;	678	_object_attach @_;
618	} else {	679	} else {
619	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
620	}	681	}
		682	_recalc_want;
621	};	683	};
622		684
623	# all those should be optimised	685	# all those should be optimised
624	sub cf::attachable::detach {	686	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
629	reattach ($obj);	691	reattach ($obj);
630	} else {	692	} else {
631	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
632	}	694	}
		695	_recalc_want;
633	};	696	};
634		697
635	sub cf::attachable::attached {	698	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
637		700
…		…
784	}	847	}
785	} else {	848	} else {
786	aio_unlink $filename;	849	aio_unlink $filename;
787	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
788	}	851	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	852	}
796	}	853	}
797		854
798	sub object_freezer_as_string {	855	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
805		862
806	sub object_thawer_load {	863	sub object_thawer_load {
807	my ($filename) = @_;	864	my ($filename) = @_;
808		865
809	my ($data, $av);	866	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		867
814	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
815	or return;	869	or return;
816		870
817	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
819	or return;	873	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
821	}	875	}
822		876
823	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	879	return ($data, $av);
826	}	880	}
827		881
828	#############################################################################	882	#############################################################################
829	# command handling &c	883	# command handling &c
…		…
956	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
957		1011
958	=cut	1012	=cut
959		1013
960	sub playerdir($) {	1014	sub playerdir($) {
961	cf::localdir	1015	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1017	}
967		1018
968	sub path($) {	1019	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1021
971	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
972	}	1023	}
973		1024
974	sub find_active($) {	1025	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1040	my $login = $_[0];
990		1041
991	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
992		1043
993	$cf::PLAYER{$_[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
994	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
995	or return;	1053	or return;
996	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
997	}	1055	}
998	}	1056	}
…		…
1035		1093
1036	=cut	1094	=cut
1037		1095
1038	sub quit_character {	1096	sub quit_character {
1039	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1040		1100
1041	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1042	$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
1043		1103
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1053	$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
1054	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;
1055	}	1135	}
1056		1136
1057	=item cf::player::list_logins	1137	=item cf::player::list_logins
1058		1138
1059	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
1060	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1061		1141
1062	=cut	1142	=cut
1063		1143
1064	sub list_logins {	1144	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1146	or return [];
1067		1147
1068	my @logins;	1148	my @logins;
1069		1149
1070	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1105	}	1185	}
1106		1186
1107	\@paths	1187	\@paths
1108	}	1188	}
1109		1189
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1111		1191
1112	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1113		1193
1114	=cut	1194	=cut
1115		1195
1116	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1118		1198
1119	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1120		1200
1121	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1122	}	1202	}
1123		1203
1124	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	}
1125		1244
1126	=back	1245	=back
1127
1128		1246
1129	=head3 cf::map	1247	=head3 cf::map
1130		1248
1131	=over 4	1249	=over 4
1132		1250
…		…
1187	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1188		1306
1189	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1190	local $self->{path};	1308	local $self->{path};
1191	local $self->{load_path};	1309	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1310
1195	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1196	}	1312	}
1197		1313
1198	sub normalise {	1314	sub normalise {
…		…
1270		1386
1271	# the original (read-only) location	1387	# the original (read-only) location
1272	sub load_path {	1388	sub load_path {
1273	my ($self) = @_;	1389	my ($self) = @_;
1274		1390
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1276	}	1392	}
1277		1393
1278	# the temporary/swap location	1394	# the temporary/swap location
1279	sub save_path {	1395	sub save_path {
1280	my ($self) = @_;	1396	my ($self) = @_;
1281		1397
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1284	}	1400	}
1285		1401
1286	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1287	sub uniq_path {	1403	sub uniq_path {
1288	my ($self) = @_;	1404	my ($self) = @_;
1289		1405
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1292	}	1408	}
1293		1409
1294	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1295	# all maps in C++...	1411	# all maps in C++...
1296	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1298		1414
1299	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1301	}	1417	}
1302		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1303	sub unlink_save {	1427	sub unlink_save {
1304	my ($self) = @_;	1428	my ($self) = @_;
1305		1429
1306	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1433	}
1315		1434
1316	sub load_header_from($) {	1435	sub load_header_from($) {
1317	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1318		1437
…		…
1368	$self->load_header_orig	1487	$self->load_header_orig
1369	or return;	1488	or return;
1370	$self->prepare_orig;	1489	$self->prepare_orig;
1371	}	1490	}
1372		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
1373	1	1498	1
1374	}	1499	}
1375		1500
1376	sub find;	1501	sub find;
1377	sub find {	1502	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1390		1515
1391	$map->load_header	1516	$map->load_header
1392	or return;	1517	or return;
1393		1518
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1522	$map->reset;
1398	undef $guard;	1523	undef $guard;
1399	return find $path;	1524	return find $path;
…		…
1410	my ($self) = @_;	1535	my ($self) = @_;
1411		1536
1412	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1413		1538
1414	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1416		1543
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1545
1419	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1420		1547
1421	$self->alloc;	1548	$self->alloc;
1422		1549
1423	$self->pre_load;	1550	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1551	Coro::cede;
1449	$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;
1450	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1571	unless $self->difficulty;
1452	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;
1453	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1585	}
1455		1586
1456	$self->post_load;	1587	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1588	}
1460		1589
1461	sub customise_for {	1590	sub customise_for {
1462	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1463		1592
1464	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1466		1598
1467	$self	1599	$self
1468	}	1600	}
1469		1601
1470	# 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
…		…
1581		1713
1582	sub reset_at {	1714	sub reset_at {
1583	my ($self) = @_;	1715	my ($self) = @_;
1584		1716
1585	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1588		1719
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	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;
1591		1722
…		…
1602	my ($self) = @_;	1733	my ($self) = @_;
1603		1734
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1736
1606	return if $self->players;	1737	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1738
1609	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	}
1610		1750
1611	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1612		1752
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	1753	$self->clear;
1615		1754
1616	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1617		1756
1618	$self->unlink_save;	1757	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1638		1777
1639	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1640	}	1779	}
1641		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
1642	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1643		1800
1644	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	1802	instantiated unique items. May block.
1646		1803
1647	=cut	1804	=cut
1648		1805
1649	sub unique_maps() {	1806	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1651	or return;	1808	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	1809	utf8::decode $_;
1657	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1658	next unless /^$PATH_SEP/o;	1811	? normalise $_
1659		1812	: ()
1660	push @paths, cf::map::normalise $_;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	1814	]
1662
1663	\@paths
1664	}	1815	}
1665		1816
1666	package cf;	1817	package cf;
1667		1818
1668	=back	1819	=back
…		…
1774	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1775		1926
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		1928
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1780		1931
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	1933	}
1783		1934
1784	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1786		1939
1787	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1788		1941
1789	unless ($map) {	1942	unless ($map) {
1790	# restore original map position	1943	# restore original map position
…		…
1808	$map->load;	1961	$map->load;
1809	$map->load_diag;	1962	$map->load_diag;
1810		1963
1811	return unless $self->contr->active;	1964	return unless $self->contr->active;
1812	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1814	}	1969	}
1815		1970
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		1972
		1973	Moves the player to the given map-path and coordinates by first freezing
		1974	her, loading and preparing them map, calling the provided $check callback
		1975	that has to return the map if sucecssful, and then unfreezes the player on
		1976	the new (success) or old (failed) map position.
		1977
1850	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1851		1981
1852	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y, $check) = @_;
		1984
		1985	# do generation counting so two concurrent goto's will be executed in-order
		1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		1987
1855	$self->enter_link;	1988	$self->enter_link;
1856		1989
1857	(async {	1990	(async {
1858	my $map = eval {	1991	my $map = eval {
1859	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
		1996	$map = $check->($map) if $check && $map;
		1997	} else {
		1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
		2000
1861	$map	2001	$map
		2002	};
		2003
		2004	if ($@) {
		2005	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2006	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2007	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1866	})->prio (1);	2013	})->prio (1);
1867	}	2014	}
1868		2015
1869	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1870		2017
…		…
1909		2056
1910	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1911		2058
1912	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1915		2062
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2065	undef $fh;
1919	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1928		2075
1929	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1930		2077
1931	if ($exit->slaying eq "/!") {	2078	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2080	# the problem is that $exit might not survive long enough
		2081	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2082	cf::sync_job { prepare_random_map $exit };
1934	}	2083	}
1935		2084
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2086	my $hp = $exit->stats->hp;
…		…
1945	$self->goto ($slaying, $hp, $sp);	2094	$self->goto ($slaying, $hp, $sp);
1946		2095
1947	1;	2096	1;
1948	}) {	2097	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2099	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2102
1954	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2104	$self->leave_link;
1956	}	2105	}
1957	})->prio (1);	2106	})->prio (1);
…		…
1970		2119
1971	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1973		2122
1974	utf8::encode $text;	2123	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2125	}
1977		2126
		2127	=item $client->ext_event ($type, %msg)
		2128
		2129	Sends an exti event to the client.
		2130
		2131	=cut
		2132
		2133	sub cf::client::ext_event($$%) {
		2134	my ($self, $type, %msg) = @_;
		2135
		2136	$msg{msgtype} = "event_$type";
		2137	$self->send_packet ("ext " . cf::to_json \%msg);
		2138	}
1978		2139
1979	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1980		2141
1981	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2079		2240
2080	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2081		2242
2082	=pod	2243	=pod
2083		2244
2084	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2085		2246
2086	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2087	cf::object::player player	2248	cf::object::player player
2088	cf::player peaceful	2249	cf::player peaceful
2089	cf::map trigger	2250	cf::map trigger
…		…
2174	#############################################################################	2335	#############################################################################
2175		2336
2176	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2177		2338
2178	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2180	excludes objects.	2341	convert to/from binary).
2181		2342
2182	The parameter C<$family> should best start with the name of the extension	2343	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.	2344	using it, it should be unique.
2184		2345
2185	=over 4	2346	=over 4
2186		2347
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2194		2349
2195	Returns a single value from the database	2350	Returns a single value from the database.
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201		2351
2202	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2203		2353
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214		2355
2215	=cut	2356	=cut
2216		2357
2217	our $DB;	2358	our $DB;
2218		2359
2219	{	2360	sub db_init {
2220	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2221		2363
2222	sub db_load() {	2364	cf::sync_job {
2223	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2224	}	2366	$DB->set_flags (BDB::CHKSUM);
2225		2367
2226	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2227		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2228	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2229	waitpid $pid, 0 if $pid;	2371	};
2230	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}	2373	};
2236	}	2374	}
		2375	}
2237		2376
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {	2377	sub db_get($$) {
2260	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2265	sub db_put($$;$) {	2388	sub db_put($$$) {
2266	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2267	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2268	} else {	2391	}
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273		2392
2274	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2275	prio => 10000,	2394
2276	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2277	db_sync;	2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($id, $src, $processversion, $process) = @_;
		2404
		2405	my $meta =
		2406	join "\x00",
		2407	$processversion,
		2408	map {
		2409	aio_stat $_
		2410	and Carp::croak "$_: $!";
		2411
		2412	($_, (stat _)[7,9])
		2413	} @$src;
		2414
		2415	my $dbmeta = db_get cache => "$id/meta";
		2416	if ($dbmeta ne $meta) {
		2417	# changed, we may need to process
		2418
		2419	my @data;
		2420	my $md5;
		2421
		2422	for (0 .. $#$src) {
		2423	0 <= aio_load $src->[$_], $data[$_]
		2424	or Carp::croak "$src->[$_]: $!";
2278	},	2425	}
2279	);	2426
		2427	# if processing is expensive, check
		2428	# checksum first
		2429	if (1) {
		2430	$md5 =
		2431	join "\x00",
		2432	$processversion,
		2433	map {
		2434	Coro::cede;
		2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2436	} 0.. $#$src;
		2437
		2438
		2439	my $dbmd5 = db_get cache => "$id/md5";
		2440	if ($dbmd5 eq $md5) {
		2441	db_put cache => "$id/meta", $meta;
		2442
		2443	return db_get cache => "$id/data";
		2444	}
		2445	}
		2446
		2447	my $t1 = Time::HiRes::time;
		2448	my $data = $process->(\@data);
		2449	my $t2 = Time::HiRes::time;
		2450
		2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2452
		2453	db_put cache => "$id/data", $data;
		2454	db_put cache => "$id/md5" , $md5;
		2455	db_put cache => "$id/meta", $meta;
		2456
		2457	return $data;
		2458	}
		2459
		2460	db_get cache => "$id/data"
		2461	}
		2462
		2463	=item fork_call { }, $args
		2464
		2465	Executes the given code block with the given arguments in a seperate
		2466	process, returning the results. Everything must be serialisable with
		2467	Coro::Storable. May, of course, block. Note that the executed sub may
		2468	never block itself or use any form of Event handling.
		2469
		2470	=cut
		2471
		2472	sub fork_call(&@) {
		2473	my ($cb, @args) = @_;
		2474
		2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2476	# or die "socketpair: $!";
		2477	pipe my $fh1, my $fh2
		2478	or die "pipe: $!";
		2479
		2480	if (my $pid = fork) {
		2481	close $fh2;
		2482
		2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2484	$res = Coro::Storable::thaw $res;
		2485
		2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2487
		2488	die $$res unless "ARRAY" eq ref $res;
		2489
		2490	return wantarray ? @$res : $res->[-1];
		2491	} else {
		2492	reset_signals;
		2493	local $SIG{__WARN__};
		2494	local $SIG{__DIE__};
		2495	eval {
		2496	close $fh1;
		2497
		2498	my @res = eval { $cb->(@args) };
		2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2500	};
		2501
		2502	warn $@ if $@;
		2503	_exit 0;
		2504	}
2280	}	2505	}
2281		2506
2282	#############################################################################	2507	#############################################################################
2283	# the server's init and main functions	2508	# the server's init and main functions
2284		2509
2285	sub load_resources {	2510	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2511	my ($path) = @_;
		2512
		2513	warn "loading facedata from $path\n";
		2514
		2515	my $facedata;
		2516	0 < aio_load $path, $facedata
		2517	or die "$path: $!";
		2518
		2519	$facedata = Coro::Storable::thaw $facedata;
		2520
		2521	$facedata->{version} == 2
		2522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2523
		2524	{
		2525	my $faces = $facedata->{faceinfo};
		2526
		2527	while (my ($face, $info) = each %$faces) {
		2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2532	Coro::cede;
		2533	}
		2534
		2535	while (my ($face, $info) = each %$faces) {
		2536	next unless $info->{smooth};
		2537	my $idx = cf::face::find $face
		2538	or next;
		2539	if (my $smooth = cf::face::find $info->{smooth}) {
		2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2541	} else {
		2542	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2543	}
		2544	Coro::cede;
		2545	}
		2546	}
		2547
		2548	{
		2549	my $anims = $facedata->{animinfo};
		2550
		2551	while (my ($anim, $info) = each %$anims) {
		2552	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2553	Coro::cede;
		2554	}
		2555
		2556	cf::anim::invalidate_all; # d'oh
		2557	}
		2558
		2559	1
		2560	}
		2561
		2562	sub reload_regions {
		2563	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2564	or die "unable to load regions file\n";
		2565	}
		2566
		2567	sub reload_facedata {
		2568	load_facedata "$DATADIR/facedata"
		2569	or die "unable to load facedata\n";
		2570	}
		2571
		2572	sub reload_archetypes {
		2573	load_resource_file "$DATADIR/archetypes"
		2574	or die "unable to load archetypes\n";
		2575	}
		2576
		2577	sub reload_treasures {
		2578	load_resource_file "$DATADIR/treasures"
		2579	or die "unable to load treasurelists\n";
		2580	}
		2581
		2582	sub reload_resources {
		2583	warn "reloading resource files...\n";
		2584
		2585	reload_regions;
		2586	reload_facedata;
		2587	#reload_archetypes;#d#
		2588	reload_archetypes;
		2589	reload_treasures;
		2590
		2591	warn "finished reloading resource files\n";
		2592	}
		2593
		2594	sub init {
		2595	reload_resources;
2288	}	2596	}
2289		2597
2290	sub cfg_load {	2598	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2600	or return;
2293		2601
2294	local $/;	2602	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2296		2604
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2613	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2614	};
2307	warn $@ if $@;	2615	warn $@ if $@;
2308	}	2616	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2617	}
2314		2618
2315	sub main {	2619	sub main {
2316	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2624	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2625	})->prio (Coro::PRIO_MAX);
2322	};	2626	};
2323		2627
2324	cfg_load;	2628	cfg_load;
2325	db_load;	2629	db_init;
2326	load_extensions;	2630	load_extensions;
2327		2631
2328	$TICK_WATCHER->start;	2632	$TICK_WATCHER->start;
2329	Event::loop;	2633	Event::loop;
2330	}	2634	}
…		…
2369	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2674	$map->valid or next;
2371	$map->save;	2675	$map->save;
2372	}	2676	}
2373	warn "end emergency map save\n";	2677	warn "end emergency map save\n";
		2678
		2679	warn "begin emergency database checkpoint\n";
		2680	BDB::db_env_txn_checkpoint $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2374	};	2682	};
2375		2683
2376	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2377	}	2685	}
2378		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2379	sub reload() {	2694	sub do_reload_perl() {
2380	# can/must only be called in main	2695	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2697	warn "can only reload from main coroutine";
2383	return;	2698	return;
2384	}	2699	}
2385		2700
2386	warn "reloading...";	2701	warn "reloading...";
2387		2702
2388	warn "cancelling server ticker";	2703	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2392		2709
2393	eval {	2710	warn "syncing database to disk";
		2711	BDB::db_env_txn_checkpoint $DB_ENV;
		2712
2394	# if anything goes wrong in here, we should simply crash as we already saved	2713	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		2714
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2718	}
2403		2719
2404	warn "flushing outstanding aio requests";	2720	warn "flushing outstanding aio requests";
2405	for (;;) {	2721	for (;;) {
		2722	BDB::flush;
2406	IO::AIO::flush;	2723	IO::AIO::flush;
2407	Coro::cede;	2724	Coro::cede;
2408	last unless IO::AIO::nreqs;	2725	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2726	warn "iterate...";
2410	}	2727	}
		2728
		2729	++$RELOAD;
2411		2730
2412	warn "cancelling all extension coros";	2731	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2733	%EXT_CORO = ();
2415		2734
…		…
2455	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		2776
2458	warn "unloading cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2460		2780
2461	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2462	# and global variables created in xs	2782	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2464		2784
…		…
2468	require cf;	2788	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		2790
2471	warn "loading config and database again";	2791	warn "loading config and database again";
2472	cf::cfg_load;	2792	cf::cfg_load;
2473	cf::db_load;
2474		2793
2475	warn "loading extensions";	2794	warn "loading extensions";
2476	cf::load_extensions;	2795	cf::load_extensions;
2477		2796
2478	warn "reattaching attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2479	_global_reattach;	2798	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	2799	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
		2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2482		2803
2483	warn "loading reloadable resources";	2804	warn "leaving sync_job";
2484	load_resources;
2485		2805
2486	warn "restarting server ticker";	2806	1
2487		2807	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	2808	warn $@;
2493	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2494	exit 1;	2810	exit 1;
2495	}	2811	};
2496		2812
2497	warn "reloaded";	2813	warn "reloaded";
2498	};	2814	};
2499		2815
2500	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2501		2817
		2818	sub reload_perl() {
		2819	# doing reload synchronously and two reloads happen back-to-back,
		2820	# coro crashes during coro_state_free->destroy here.
		2821
		2822	$RELOAD_WATCHER ||= Event->timer (
		2823	reentrant => 0,
		2824	after => 0,
		2825	data => WF_AUTOCANCEL,
		2826	cb => sub {
		2827	do_reload_perl;
		2828	undef $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2502	register_command "reload" => sub {	2833	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2504		2835
2505	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2507		2838	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	2839	}
2521	};	2840	};
2522		2841
2523	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2524		2843
2525	my $bug_warning = 0;	2844	my $bug_warning = 0;
2526		2845
		2846	our @WAIT_FOR_TICK;
		2847	our @WAIT_FOR_TICK_BEGIN;
		2848
		2849	sub wait_for_tick {
		2850	return unless $TICK_WATCHER->is_active;
		2851	return if $Coro::current == $Coro::main;
		2852
		2853	my $signal = new Coro::Signal;
		2854	push @WAIT_FOR_TICK, $signal;
		2855	$signal->wait;
		2856	}
		2857
		2858	sub wait_for_tick_begin {
		2859	return unless $TICK_WATCHER->is_active;
		2860	return if $Coro::current == $Coro::main;
		2861
		2862	my $signal = new Coro::Signal;
		2863	push @WAIT_FOR_TICK_BEGIN, $signal;
		2864	$signal->wait;
		2865	}
		2866
		2867	my $min = 1e6;#d#
		2868	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	2870	reentrant => 0,
2529	parked => 1,	2871	parked => 1,
2530	prio => 0,	2872	prio => 0,
2531	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	2878	unless ++$bug_warning > 10;
2537	return;	2879	return;
2538	}	2880	}
2539		2881
2540	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2541		2883
2542	cf::server_tick; # one server iteration	2884	cf::server_tick; # one server iteration
		2885
		2886	0 && sync_job {#d#
		2887	for(1..10) {
		2888	my $t = Event::time;
		2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2890	or die;
		2891
		2892	$map->width (50);
		2893	$map->height (50);
		2894	$map->alloc;
		2895	$map->_load_objects ("/tmp/x.map", 1);
		2896	my $t = Event::time - $t;
		2897
		2898	#next unless $t < 0.0013;#d#
		2899	if ($t < $min) {
		2900	$min = $t;
		2901	}
		2902	$avg = $avg * 0.99 + $t * 0.01;
		2903	}
		2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2905	exit 0;
		2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2907	};
		2908
2543	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2545		2911
2546	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		2914	Coro::async_pool {
2549	Event::sweep;	2915	write_runtime
2550	Coro::cede_notself;	2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
2551		2918	}
		2919
2552	# my $AFTER = Event::time;	2920	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	2921	# warn $AFTER - $NOW;#d#
2554		2922
		2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2924	$sig->send;
		2925	}
		2926	while (my $sig = shift @WAIT_FOR_TICK) {
		2927	$sig->send;
		2928	}
		2929
		2930	$NOW = Event::time;
		2931
2555	# if we are delayed by four ticks or more, skip them all	2932	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		2934
2558	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	2936	$TICK_WATCHER->start;
		2937
		2938	$LOAD = ($NOW - $tick_start) / $TICK;
		2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2940
		2941	_post_tick;
		2942
		2943
2560	},	2944	},
2561	);	2945	);
2562		2946
2563	{	2947	{
2564	BDB::max_poll_time $TICK * 0.1;	2948	BDB::max_poll_time $TICK * 0.1;
…		…
2589		2973
2590	unless ($DB_ENV) {	2974	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	2975	$DB_ENV = BDB::db_env_create;
2592		2976
2593	cf::sync_job {	2977	cf::sync_job {
		2978	eval {
2594	BDB::db_env_open	2979	BDB::db_env_open
2595	$DB_ENV,	2980	$DB_ENV,
2596	$BDB_ENV_DIR,	2981	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	2984	0666;
2600		2985
2601	cf::cleanup "$!" if $!;	2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		2987
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	2989	$DB_ENV->set_lk_detect;
		2990	};
		2991
		2992	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	2993	};
2606	}	2994	}
2607	}	2995	}
2608		2996
2609	{	2997	{
…		…
2611		2999
2612	undef $Coro::AIO::WATCHER;	3000	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3003	reentrant => 0,
		3004	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3005	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3006	poll => 'r',
2618	prio => 6,	3007	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3008	cb => \&IO::AIO::poll_cb,
2621	);	3009	);
2622	}	3010	}
2623		3011
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3012	my $_log_backtrace;
2625	reentrant => 0,	3013
2626	data => WF_AUTOCANCEL,	3014	sub _log_backtrace {
2627	after => 1,	3015	my ($msg, @addr) = @_;
2628	interval => 10,	3016
2629	prio => 6, # keep it lowest so it acts like a watchdog	3017	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3018
2631	write_runtime	3019	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3020	if ($_log_backtrace < 2) {
		3021	++$_log_backtrace;
		3022	async {
		3023	my @bt = fork_call {
		3024	@addr = map { sprintf "%x", $_ } @addr;
		3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3027	or die "addr2line: $!";
		3028
		3029	my @funcs;
		3030	my @res = <$fh>;
		3031	chomp for @res;
		3032	while (@res) {
		3033	my ($func, $line) = splice @res, 0, 2, ();
		3034	push @funcs, "[$func] $line";
		3035	}
		3036
		3037	@funcs
		3038	};
		3039
		3040	LOG llevInfo, "[ABT] $msg\n";
		3041	LOG llevInfo, "[ABT] $_\n" for @bt;
		3042	--$_log_backtrace;
		3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3047	}
2634	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2635		3052
2636	END { cf::emergency_save }	3053	END { cf::emergency_save }
2637		3054
2638	1	3055	1
2639		3056

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