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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 1.268 by root, Tue May 22 10:50:00 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';
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	234	$d
204	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
205	}	236	}
206		237
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		239
209	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
210		241
211	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
212		243
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
221		245
222	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		247
231	=item cf::lock_wait $string	248	=item cf::lock_wait $string
232		249
233	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
234		251
…		…
240	returned.	257	returned.
241		258
242	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
244		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
245	=cut	266	=cut
246		267
247	our %LOCK;	268	our %LOCK;
248		269
249	sub lock_wait($) {	270	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
270	}	291	}
271	}	292	}
272		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
273	sub freeze_mainloop {	300	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
275		302
276	my $guard = Coro::guard {	303	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	304	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	305	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
282	$guard	307	$guard
283	}	308	}
284		309
285	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
307		332
308	sub sync_job(&) {	333	sub sync_job(&) {
309	my ($job) = @_;	334	my ($job) = @_;
310		335
311	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
312	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
314		341
315	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
327		354
328	while ($busy) {	355	while ($busy) {
329	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
330	}	357	}
331		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
332	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
333	} else {	367	} else {
334	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
335		369
336	$job->()	370	$job->()
…		…
356		390
357	$coro	391	$coro
358	}	392	}
359		393
360	sub write_runtime {	394	sub write_runtime {
361	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
362		405
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364	or return;	407	or return;
365		408
366	my $value = $cf::RUNTIME + 90 + 10;	409	my $value = $cf::RUNTIME + 90 + 10;
…		…
372		415
373	# always fsync - this file is important	416	# always fsync - this file is important
374	aio_fsync $fh	417	aio_fsync $fh
375	and return;	418	and return;
376		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
377	close $fh	423	close $fh
378	or return;	424	or return;
379		425
380	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
381	and return;	427	and return;
382		428
		429	warn "runtime file written.\n";#d#
		430
383	1	431	1
		432	}
		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	443	}
385		444
386	=back	445	=back
387		446
388	=cut	447	=cut
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	627	$registry = $CB_TYPE[$object_type] ||= [];
569		628
570	} elsif ($type eq "subtype") {	629	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	630	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	631	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		633
575	} elsif ($type eq "package") {	634	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	635	my $pkg = shift @arg;
577		636
578	while (my ($name, $id) = each %cb_id) {	637	while (my ($name, $id) = each %cb_id) {
…		…
619	if (ref $_[0]) {	678	if (ref $_[0]) {
620	_object_attach @_;	679	_object_attach @_;
621	} else {	680	} else {
622	_attach shift->_attach_registry, @_;	681	_attach shift->_attach_registry, @_;
623	}	682	}
		683	_recalc_want;
624	};	684	};
625		685
626	# all those should be optimised	686	# all those should be optimised
627	sub cf::attachable::detach {	687	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	688	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	691	delete $obj->{_attachment}{$name};
632	reattach ($obj);	692	reattach ($obj);
633	} else {	693	} else {
634	Carp::croak "cannot, currently, detach class attachments";	694	Carp::croak "cannot, currently, detach class attachments";
635	}	695	}
		696	_recalc_want;
636	};	697	};
637		698
638	sub cf::attachable::attached {	699	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	700	my ($obj, $name) = @_;
640		701
…		…
787	}	848	}
788	} else {	849	} else {
789	aio_unlink $filename;	850	aio_unlink $filename;
790	aio_unlink "$filename.pst";	851	aio_unlink "$filename.pst";
791	}	852	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	853	}
799	}	854	}
800		855
801	sub object_freezer_as_string {	856	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	857	my ($rdata, $objs) = @_;
…		…
808		863
809	sub object_thawer_load {	864	sub object_thawer_load {
810	my ($filename) = @_;	865	my ($filename) = @_;
811		866
812	my ($data, $av);	867	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		868
817	(aio_load $filename, $data) >= 0	869	(aio_load $filename, $data) >= 0
818	or return;	870	or return;
819		871
820	unless (aio_stat "$filename.pst") {	872	unless (aio_stat "$filename.pst") {
…		…
959	Returns the given player object, loading it if necessary (might block).	1011	Returns the given player object, loading it if necessary (might block).
960		1012
961	=cut	1013	=cut
962		1014
963	sub playerdir($) {	1015	sub playerdir($) {
964	cf::localdir	1016	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1017	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1018	}
970		1019
971	sub path($) {	1020	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1021	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1022
974	(playerdir $login) . "/$login.pl"	1023	(playerdir $login) . "/playerdata"
975	}	1024	}
976		1025
977	sub find_active($) {	1026	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1027	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1028	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1041	my $login = $_[0];
993		1042
994	my $guard = cf::lock_acquire "user_find:$login";	1043	my $guard = cf::lock_acquire "user_find:$login";
995		1044
996	$cf::PLAYER{$_[0]} || do {	1045	$cf::PLAYER{$_[0]} || do {
		1046	# rename old playerfiles to new ones
		1047	#TODO: remove when no longer required
		1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1051	aio_unlink +(playerdir $login) . "/$login.pl";
		1052
997	my $pl = load_pl path $login	1053	my $pl = load_pl path $login
998	or return;	1054	or return;
999	$cf::PLAYER{$login} = $pl	1055	$cf::PLAYER{$login} = $pl
1000	}	1056	}
1001	}	1057	}
…		…
1038		1094
1039	=cut	1095	=cut
1040		1096
1041	sub quit_character {	1097	sub quit_character {
1042	my ($pl) = @_;	1098	my ($pl) = @_;
		1099
		1100	my $name = $pl->ob->name;
1043		1101
1044	$pl->{deny_save} = 1;	1102	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1103	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1104
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1110	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1111	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1112	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1113	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1114	$pl->destroy;
		1115
		1116	my $prefix = qr<^~\Q$name\E/>;
		1117
		1118	# nuke player maps
		1119	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1120
1057	IO::AIO::aio_rmtree $temp;	1121	IO::AIO::aio_rmtree $temp;
		1122	}
		1123
		1124	=item $pl->kick
		1125
		1126	Kicks a player out of the game. This destroys the connection.
		1127
		1128	=cut
		1129
		1130	sub kick {
		1131	my ($pl, $kicker) = @_;
		1132
		1133	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1134	$pl->killer ("kicked");
		1135	$pl->ns->destroy;
1058	}	1136	}
1059		1137
1060	=item cf::player::list_logins	1138	=item cf::player::list_logins
1061		1139
1062	Returns am arrayref of all valid playernames in the system, can take a	1140	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1141	while and may block, so not sync_job-capable, ever.
1064		1142
1065	=cut	1143	=cut
1066		1144
1067	sub list_logins {	1145	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1146	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1147	or return [];
1070		1148
1071	my @logins;	1149	my @logins;
1072		1150
1073	for my $login (@$dirs) {	1151	for my $login (@$dirs) {
…		…
1108	}	1186	}
1109		1187
1110	\@paths	1188	\@paths
1111	}	1189	}
1112		1190
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1191	=item $player->ext_reply ($msgid, %msg)
1114		1192
1115	Sends an ext reply to the player.	1193	Sends an ext reply to the player.
1116		1194
1117	=cut	1195	=cut
1118		1196
1119	sub ext_reply($$$%) {	1197	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1198	my ($self, $id, %msg) = @_;
1121		1199
1122	$msg{msgid} = $id;	1200	$msg{msgid} = $id;
1123		1201
1124	$self->send ("ext " . cf::to_json \%msg);	1202	$self->send ("ext " . cf::to_json \%msg);
1125	}	1203	}
1126		1204
1127	package cf;	1205	=item $player->ext_event ($type, %msg)
		1206
		1207	Sends an ext event to the client.
		1208
		1209	=cut
		1210
		1211	sub ext_event($$%) {
		1212	my ($self, $type, %msg) = @_;
		1213
		1214	$self->ns->ext_event ($type, %msg);
		1215	}
		1216
		1217	=head3 cf::region
		1218
		1219	=over 4
		1220
		1221	=cut
		1222
		1223	package cf::region;
		1224
		1225	=item cf::region::find_by_path $path
		1226
		1227	Tries to decuce the probable region for a map knowing only its path.
		1228
		1229	=cut
		1230
		1231	sub find_by_path($) {
		1232	my ($path) = @_;
		1233
		1234	my ($match, $specificity);
		1235
		1236	for my $region (list) {
		1237	if ($region->match && $path =~ $region->match) {
		1238	($match, $specificity) = ($region, $region->specificity)
		1239	if $region->specificity > $specificity;
		1240	}
		1241	}
		1242
		1243	$match
		1244	}
1128		1245
1129	=back	1246	=back
1130
1131		1247
1132	=head3 cf::map	1248	=head3 cf::map
1133		1249
1134	=over 4	1250	=over 4
1135		1251
…		…
1273		1389
1274	# the original (read-only) location	1390	# the original (read-only) location
1275	sub load_path {	1391	sub load_path {
1276	my ($self) = @_;	1392	my ($self) = @_;
1277		1393
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1394	"$MAPDIR/$self->{path}.map"
1279	}	1395	}
1280		1396
1281	# the temporary/swap location	1397	# the temporary/swap location
1282	sub save_path {	1398	sub save_path {
1283	my ($self) = @_;	1399	my ($self) = @_;
1284		1400
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1402	"$TMPDIR/$path.map"
1287	}	1403	}
1288		1404
1289	# the unique path, undef == no special unique path	1405	# the unique path, undef == no special unique path
1290	sub uniq_path {	1406	sub uniq_path {
1291	my ($self) = @_;	1407	my ($self) = @_;
1292		1408
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1410	"$UNIQUEDIR/$path"
1295	}	1411	}
1296		1412
1297	# and all this just because we cannot iterate over	1413	# and all this just because we cannot iterate over
1298	# all maps in C++...	1414	# all maps in C++...
1299	sub change_all_map_light {	1415	sub change_all_map_light {
…		…
1307	my ($self) = @_;	1423	my ($self) = @_;
1308		1424
1309	utf8::encode (my $save = $self->save_path);	1425	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1427	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	}	1428	}
1318		1429
1319	sub load_header_from($) {	1430	sub load_header_from($) {
1320	my ($self, $path) = @_;	1431	my ($self, $path) = @_;
1321		1432
…		…
1371	$self->load_header_orig	1482	$self->load_header_orig
1372	or return;	1483	or return;
1373	$self->prepare_orig;	1484	$self->prepare_orig;
1374	}	1485	}
1375		1486
		1487	$self->default_region (cf::region::find_by_path $self->{path})
		1488	unless $self->default_region;
		1489
1376	1	1490	1
1377	}	1491	}
1378		1492
1379	sub find;	1493	sub find;
1380	sub find {	1494	sub find {
…		…
1413	my ($self) = @_;	1527	my ($self) = @_;
1414		1528
1415	local $self->{deny_reset} = 1; # loading can take a long time	1529	local $self->{deny_reset} = 1; # loading can take a long time
1416		1530
1417	my $path = $self->{path};	1531	my $path = $self->{path};
		1532
		1533	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1534	my $guard = cf::lock_acquire "map_load:$path";
1419		1535
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1536	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1537
1422	$self->in_memory (cf::MAP_LOADING);	1538	$self->in_memory (cf::MAP_LOADING);
1423		1539
1424	$self->alloc;	1540	$self->alloc;
1425		1541
1426	$self->pre_load;	1542	$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;	1543	Coro::cede;
1452	$self->set_darkness_map;	1544
		1545	$self->_load_objects ($self->{load_path}, 1)
		1546	or return;
		1547
		1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1549	if delete $self->{load_original};
		1550
		1551	if (my $uniq = $self->uniq_path) {
		1552	utf8::encode $uniq;
		1553	if (aio_open $uniq, O_RDONLY, 0) {
		1554	$self->clear_unique_items;
		1555	$self->_load_objects ($uniq, 0);
		1556	}
		1557	}
		1558
		1559	Coro::cede;
		1560	# now do the right thing for maps
		1561	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1562	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1563	unless $self->difficulty;
1455	Coro::cede;	1564	Coro::cede;
		1565
		1566	unless ($self->{deny_activate}) {
		1567	$self->decay_objects;
		1568	$self->fix_auto_apply;
		1569	$self->update_buttons;
		1570	Coro::cede;
		1571	$self->set_darkness_map;
		1572	Coro::cede;
1456	$self->activate;	1573	$self->activate;
		1574	}
		1575
		1576	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1577	}
1458		1578
1459	$self->post_load;	1579	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1580	}
1463		1581
1464	sub customise_for {	1582	sub customise_for {
1465	my ($self, $ob) = @_;	1583	my ($self, $ob) = @_;
1466		1584
…		…
1609	return if $self->players;	1727	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#	1728	return if $self->isa ("ext::map_per_player");#d#
1611		1729
1612	warn "resetting map ", $self->path;#d#	1730	warn "resetting map ", $self->path;#d#
1613		1731
		1732	$self->in_memory (cf::MAP_SWAPPED);
		1733
		1734	# need to save uniques path
		1735	unless ($self->{deny_save}) {
		1736	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1737
		1738	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1739	if $uniq;
		1740	}
		1741
1614	delete $cf::MAP{$self->path};	1742	delete $cf::MAP{$self->path};
1615		1743
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	1744	$self->clear;
1618		1745
1619	$_->clear_links_to ($self) for values %cf::MAP;	1746	$_->clear_links_to ($self) for values %cf::MAP;
1620		1747
1621	$self->unlink_save;	1748	$self->unlink_save;
…		…
1648	instantiated unique items. May block.	1775	instantiated unique items. May block.
1649		1776
1650	=cut	1777	=cut
1651		1778
1652	sub unique_maps() {	1779	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1780	my $files = aio_readdir $UNIQUEDIR
1654	or return;	1781	or return;
1655		1782
1656	my @paths;	1783	my @paths;
1657		1784
1658	for (@$files) {	1785	for (@$files) {
…		…
1811	$map->load;	1938	$map->load;
1812	$map->load_diag;	1939	$map->load_diag;
1813		1940
1814	return unless $self->contr->active;	1941	return unless $self->contr->active;
1815	$self->activate_recursive;	1942	$self->activate_recursive;
		1943
		1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	1945	$self->enter_map ($map, $x, $y);
1817	}	1946	}
1818		1947
1819	cf::player->attach (	1948	cf::player->attach (
1820	on_logout => sub {	1949	on_logout => sub {
…		…
1833	# try to abort aborted map switching on player login :)	1962	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes	1963	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {	1964	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;	1965	$pl->ob->enter_link;
1837	(async {	1966	(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,	1967	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "	1968	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",	1969	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);	1970	cf::NDI_RED);
		1971	# we need this sleep as the login has a concurrent enter_exit running
		1972	# and this sleep increases chances of the player not ending up in scorn
1844	Coro::Timer::sleep 1;	1973	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;	1974	$pl->ob->leave_link;
1846	})->prio (2);	1975	})->prio (2);
1847	}	1976	}
1848	},	1977	},
1849	);	1978	);
1850		1979
1851	=item $player_object->goto ($path, $x, $y)	1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])
		1981
		1982	Moves the player to the given map-path and coordinates by first freezing
		1983	her, loading and preparing them map, calling the provided $check callback
		1984	that has to return the map if sucecssful, and then unfreezes the player on
		1985	the new (success) or old (failed) map position.
1852		1986
1853	=cut	1987	=cut
1854		1988
1855	sub cf::object::player::goto {	1989	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	1990	my ($self, $path, $x, $y, $check) = @_;
		1991
		1992	#d# #TODO#
		1993	if ($check && !ref $check) {
		1994	warn Carp::longmess "goto called with non-ref check argument";#d#
		1995	undef $check;
		1996	}
1857		1997
1858	$self->enter_link;	1998	$self->enter_link;
1859		1999
1860	(async {	2000	(async {
1861	my $map = eval {	2001	my $map = eval {
1862	my $map = cf::map::find $path;	2002	my $map = cf::map::find $path;
		2003
		2004	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2005	$map = $map->customise_for ($self);
		2006	$map = $check->($map) if $check && $map;
		2007	} else {
		2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2009	}
		2010
1864	$map	2011	$map
		2012	};
		2013
		2014	if ($@) {
		2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2016	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2017	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2018
1868	$self->leave_link ($map, $x, $y);	2019	$self->leave_link ($map, $x, $y);
1869	})->prio (1);	2020	})->prio (1);
1870	}	2021	}
1871		2022
…		…
1912		2063
1913	$rmp->{random_seed} ||= $exit->random_seed;	2064	$rmp->{random_seed} ||= $exit->random_seed;
1914		2065
1915	my $data = cf::to_json $rmp;	2066	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2067	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2068	my $meta = "$RANDOMDIR/$md5.meta";
1918		2069
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2071	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2072	undef $fh;
1922	aio_rename "$meta~", $meta;	2073	aio_rename "$meta~", $meta;
…		…
1931		2082
1932	return unless $self->type == cf::PLAYER;	2083	return unless $self->type == cf::PLAYER;
1933		2084
1934	if ($exit->slaying eq "/!") {	2085	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2086	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2087	# the problem is that $exit might not survive long enough
		2088	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2089	cf::sync_job { prepare_random_map $exit };
1937	}	2090	}
1938		2091
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2092	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2093	my $hp = $exit->stats->hp;
…		…
1948	$self->goto ($slaying, $hp, $sp);	2101	$self->goto ($slaying, $hp, $sp);
1949		2102
1950	1;	2103	1;
1951	}) {	2104	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2105	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2106	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2107	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2108	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2109
1957	warn "ERROR in enter_exit: $@";	2110	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2111	$self->leave_link;
1959	}	2112	}
1960	})->prio (1);	2113	})->prio (1);
…		…
1973		2126
1974	sub cf::client::send_drawinfo {	2127	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2128	my ($self, $text, $flags) = @_;
1976		2129
1977	utf8::encode $text;	2130	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2131	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2132	}
1980		2133
		2134	=item $client->ext_event ($type, %msg)
		2135
		2136	Sends an exti event to the client.
		2137
		2138	=cut
		2139
		2140	sub cf::client::ext_event($$%) {
		2141	my ($self, $type, %msg) = @_;
		2142
		2143	$msg{msgtype} = "event_$type";
		2144	$self->send_packet ("ext " . cf::to_json \%msg);
		2145	}
1981		2146
1982	=item $success = $client->query ($flags, "text", \&cb)	2147	=item $success = $client->query ($flags, "text", \&cb)
1983		2148
1984	Queues a query to the client, calling the given callback with	2149	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>,	2150	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2082		2247
2083	# here we export the classes and methods available to script code	2248	# here we export the classes and methods available to script code
2084		2249
2085	=pod	2250	=pod
2086		2251
2087	The following fucntions and emthods are available within a safe environment:	2252	The following functions and methods are available within a safe environment:
2088		2253
2089	cf::object contr pay_amount pay_player map	2254	cf::object contr pay_amount pay_player map
2090	cf::object::player player	2255	cf::object::player player
2091	cf::player peaceful	2256	cf::player peaceful
2092	cf::map trigger	2257	cf::map trigger
…		…
2177	#############################################################################	2342	#############################################################################
2178		2343
2179	=head2 EXTENSION DATABASE SUPPORT	2344	=head2 EXTENSION DATABASE SUPPORT
2180		2345
2181	Crossfire maintains a very simple database for extension use. It can	2346	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which	2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2183	excludes objects.	2348	convert to/from binary).
2184		2349
2185	The parameter C<$family> should best start with the name of the extension	2350	The parameter C<$family> should best start with the name of the extension
2186	using it, it should be unique.	2351	using it, it should be unique.
2187		2352
2188	=over 4	2353	=over 4
…		…
2197		2362
2198	=cut	2363	=cut
2199		2364
2200	our $DB;	2365	our $DB;
2201		2366
		2367	sub db_init {
2202	unless ($DB) {	2368	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;	2369	$DB = BDB::db_create $DB_ENV;
2204		2370
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 {	2371	cf::sync_job {
2219	my $pst = Storable::retrieve $path;	2372	eval {
		2373	$DB->set_flags (BDB::CHKSUM);
2220		2374
2221	cf::db_put (board => data => $pst->{board});	2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	cf::db_put (guildrules => data => $pst->{guildrules});	2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	2377	cf::cleanup "db_open(db): $!" if $!;
2224	BDB::db_env_txn_checkpoint $DB_ENV;	2378	};
2225		2379	cf::cleanup "db_open(db): $@" if $@;
2226	unlink $path;
2227	};	2380	};
2228	}	2381	}
2229	}	2382	}
2230		2383
2231	sub db_get($$) {	2384	sub db_get($$) {
…		…
2233		2386
2234	cf::sync_job {	2387	cf::sync_job {
2235	BDB::db_get $DB, undef, $key, my $data;	2388	BDB::db_get $DB, undef, $key, my $data;
2236		2389
2237	$! ? ()	2390	$! ? ()
2238	: Compress::LZF::sthaw $data	2391	: $data
2239	}	2392	}
2240	}	2393	}
2241		2394
2242	sub db_put($$$) {	2395	sub db_put($$$) {
2243	BDB::dbreq_pri 4;	2396	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2245	}	2398	}
		2399
		2400	=item cf::cache $id => [$paths...], $processversion => $process
		2401
		2402	Generic caching function that returns the value of the resource $id,
		2403	caching and regenerating as required.
		2404
		2405	This function can block.
		2406
		2407	=cut
		2408
		2409	sub cache {
		2410	my ($id, $src, $processversion, $process) = @_;
		2411
		2412	my $meta =
		2413	join "\x00",
		2414	$processversion,
		2415	map {
		2416	aio_stat $_
		2417	and Carp::croak "$_: $!";
		2418
		2419	($_, (stat _)[7,9])
		2420	} @$src;
		2421
		2422	my $dbmeta = db_get cache => "$id/meta";
		2423	if ($dbmeta ne $meta) {
		2424	# changed, we may need to process
		2425
		2426	my @data;
		2427	my $md5;
		2428
		2429	for (0 .. $#$src) {
		2430	0 <= aio_load $src->[$_], $data[$_]
		2431	or Carp::croak "$src->[$_]: $!";
		2432	}
		2433
		2434	# if processing is expensive, check
		2435	# checksum first
		2436	if (1) {
		2437	$md5 =
		2438	join "\x00",
		2439	$processversion,
		2440	map {
		2441	Coro::cede;
		2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2443	} 0.. $#$src;
		2444
		2445
		2446	my $dbmd5 = db_get cache => "$id/md5";
		2447	if ($dbmd5 eq $md5) {
		2448	db_put cache => "$id/meta", $meta;
		2449
		2450	return db_get cache => "$id/data";
		2451	}
		2452	}
		2453
		2454	my $t1 = Time::HiRes::time;
		2455	my $data = $process->(\@data);
		2456	my $t2 = Time::HiRes::time;
		2457
		2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2459
		2460	db_put cache => "$id/data", $data;
		2461	db_put cache => "$id/md5" , $md5;
		2462	db_put cache => "$id/meta", $meta;
		2463
		2464	return $data;
		2465	}
		2466
		2467	db_get cache => "$id/data"
		2468	}
		2469
		2470	=item fork_call { }, $args
		2471
		2472	Executes the given code block with the given arguments in a seperate
		2473	process, returning the results. Everything must be serialisable with
		2474	Coro::Storable. May, of course, block. Note that the executed sub may
		2475	never block itself or use any form of Event handling.
		2476
		2477	=cut
		2478
		2479	sub fork_call(&@) {
		2480	my ($cb, @args) = @_;
		2481
		2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2483	# or die "socketpair: $!";
		2484	pipe my $fh1, my $fh2
		2485	or die "pipe: $!";
		2486
		2487	if (my $pid = fork) {
		2488	close $fh2;
		2489
		2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2491	$res = Coro::Storable::thaw $res;
		2492
		2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2494
		2495	die $$res unless "ARRAY" eq ref $res;
		2496
		2497	return wantarray ? @$res : $res->[-1];
		2498	} else {
		2499	reset_signals;
		2500	local $SIG{__WARN__};
		2501	local $SIG{__DIE__};
		2502	eval {
		2503	close $fh1;
		2504
		2505	my @res = eval { $cb->(@args) };
		2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2507	};
		2508
		2509	warn $@ if $@;
		2510	_exit 0;
		2511	}
		2512	}
		2513
		2514
2246		2515
2247	#############################################################################	2516	#############################################################################
2248	# the server's init and main functions	2517	# the server's init and main functions
2249		2518
2250	sub load_resources {	2519	sub load_facedata($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2520	my ($path) = @_;
		2521
		2522	warn "loading facedata from $path\n";
		2523
		2524	my $facedata;
		2525	0 < aio_load $path, $facedata
		2526	or die "$path: $!";
		2527
		2528	$facedata = Coro::Storable::thaw $facedata;
		2529
		2530	$facedata->{version} == 2
		2531	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2532
		2533	{
		2534	my $faces = $facedata->{faceinfo};
		2535
		2536	while (my ($face, $info) = each %$faces) {
		2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2541	Coro::cede;
		2542	}
		2543
		2544	while (my ($face, $info) = each %$faces) {
		2545	next unless $info->{smooth};
		2546	my $idx = cf::face::find $face
		2547	or next;
		2548	if (my $smooth = cf::face::find $info->{smooth}) {
		2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2550	} else {
		2551	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2552	}
		2553	Coro::cede;
		2554	}
		2555	}
		2556
		2557	{
		2558	my $anims = $facedata->{animinfo};
		2559
		2560	while (my ($anim, $info) = each %$anims) {
		2561	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2562	Coro::cede;
		2563	}
		2564
		2565	cf::anim::invalidate_all; # d'oh
		2566	}
		2567
		2568	1
		2569	}
		2570
		2571	sub reload_regions {
		2572	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	2573	or die "unable to load regions file\n";
		2574	}
		2575
		2576	sub reload_facedata {
		2577	load_facedata "$DATADIR/facedata"
		2578	or die "unable to load facedata\n";
		2579	}
		2580
		2581	sub reload_archetypes {
		2582	load_resource_file "$DATADIR/archetypes"
		2583	or die "unable to load archetypes\n";
		2584	}
		2585
		2586	sub reload_treasures {
		2587	load_resource_file "$DATADIR/treasures"
		2588	or die "unable to load treasurelists\n";
		2589	}
		2590
		2591	sub reload_resources {
		2592	warn "reloading resource files...\n";
		2593
		2594	reload_regions;
		2595	reload_facedata;
		2596	reload_archetypes;
		2597	reload_treasures;
		2598
		2599	warn "finished reloading resource files\n";
		2600	}
		2601
		2602	sub init {
		2603	reload_resources;
2253	}	2604	}
2254		2605
2255	sub cfg_load {	2606	sub cfg_load {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	2607	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	2608	or return;
2258		2609
2259	local $/;	2610	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	2611	*CFG = YAML::Syck::Load <$fh>;
2261		2612
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2620	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	2621	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	2622	};
2272	warn $@ if $@;	2623	warn $@ if $@;
2273	}	2624	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	2625	}
2279		2626
2280	sub main {	2627	sub main {
2281	# we must not ever block the main coroutine	2628	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	2629	local $Coro::idle = sub {
…		…
2285	Event::one_event;	2632	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	2633	})->prio (Coro::PRIO_MAX);
2287	};	2634	};
2288		2635
2289	cfg_load;	2636	cfg_load;
		2637	db_init;
2290	load_extensions;	2638	load_extensions;
2291		2639
2292	$TICK_WATCHER->start;	2640	$TICK_WATCHER->start;
2293	Event::loop;	2641	Event::loop;
2294	}	2642	}
…		…
2342	};	2690	};
2343		2691
2344	warn "leave emergency perl save\n";	2692	warn "leave emergency perl save\n";
2345	}	2693	}
2346		2694
		2695	sub post_cleanup {
		2696	my ($make_core) = @_;
		2697
		2698	warn Carp::longmess "post_cleanup backtrace"
		2699	if $make_core;
		2700	}
		2701
2347	sub reload() {	2702	sub do_reload_perl() {
2348	# can/must only be called in main	2703	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	2704	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	2705	warn "can only reload from main coroutine";
2351	return;	2706	return;
2352	}	2707	}
2353		2708
2354	warn "reloading...";	2709	warn "reloading...";
2355		2710
2356	warn "cancelling server ticker";	2711	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		2712
		2713	cf::sync_job {
		2714	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	2715	cf::emergency_save;
		2716	cf::write_runtime; # external watchdog should not bark
2360		2717
2361	eval {	2718	warn "syncing database to disk";
		2719	BDB::db_env_txn_checkpoint $DB_ENV;
		2720
2362	# if anything goes wrong in here, we should simply crash as we already saved	2721	# if anything goes wrong in here, we should simply crash as we already saved
2363		2722
2364	warn "cancelling all WF_AUTOCANCEL watchers";	2723	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	2724	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	2726	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		2727
2372	warn "flushing outstanding aio requests";	2728	warn "flushing outstanding aio requests";
2373	for (;;) {	2729	for (;;) {
2374	BDB::flush;	2730	BDB::flush;
2375	IO::AIO::flush;	2731	IO::AIO::flush;
2376	Coro::cede;	2732	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	2733	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	2734	warn "iterate...";
2379	}	2735	}
2380		2736
		2737	++$RELOAD;
		2738
2381	warn "cancelling all extension coros";	2739	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	2740	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	2741	%EXT_CORO = ();
2384		2742
2385	warn "removing commands";	2743	warn "removing commands";
…		…
2424	Symbol::delete_package "safe::$_"	2782	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2783	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		2784
2427	warn "unloading cf.pm \"a bit\"";	2785	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	2786	delete $INC{"cf.pm"};
		2787	delete $INC{"cf/pod.pm"};
2429		2788
2430	# don't, removes xs symbols, too,	2789	# don't, removes xs symbols, too,
2431	# and global variables created in xs	2790	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	2791	#Symbol::delete_package __PACKAGE__;
2433		2792
…		…
2442		2801
2443	warn "loading extensions";	2802	warn "loading extensions";
2444	cf::load_extensions;	2803	cf::load_extensions;
2445		2804
2446	warn "reattaching attachments to objects/players";	2805	warn "reattaching attachments to objects/players";
2447	_global_reattach;	2806	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	2807	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	2808	reattach $_ for values %MAP;
		2809	warn "reattaching attachments to players";
		2810	reattach $_ for values %PLAYER;
2450		2811
2451	warn "loading reloadable resources";	2812	warn "leaving sync_job";
2452	load_resources;
2453		2813
2454	warn "restarting server ticker";	2814	1
2455		2815	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	2816	warn $@;
2461	warn "error while reloading, exiting.";	2817	warn "error while reloading, exiting.";
2462	exit 1;	2818	exit 1;
2463	}	2819	};
2464		2820
2465	warn "reloaded";	2821	warn "reloaded";
2466	};	2822	};
2467		2823
2468	our $RELOAD_WATCHER; # used only during reload	2824	our $RELOAD_WATCHER; # used only during reload
2469		2825
		2826	sub reload_perl() {
		2827	# doing reload synchronously and two reloads happen back-to-back,
		2828	# coro crashes during coro_state_free->destroy here.
		2829
		2830	$RELOAD_WATCHER ||= Event->timer (
		2831	reentrant => 0,
		2832	after => 0,
		2833	data => WF_AUTOCANCEL,
		2834	cb => sub {
		2835	do_reload_perl;
		2836	undef $RELOAD_WATCHER;
		2837	},
		2838	);
		2839	}
		2840
2470	register_command "reload" => sub {	2841	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	2842	my ($who, $arg) = @_;
2472		2843
2473	if ($who->flag (FLAG_WIZ)) {	2844	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	2845	$who->message ("reloading server.");
2475		2846	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	}	2847	}
2489	};	2848	};
2490		2849
2491	unshift @INC, $LIBDIR;	2850	unshift @INC, $LIBDIR;
2492		2851
2493	my $bug_warning = 0;	2852	my $bug_warning = 0;
2494		2853
		2854	our @WAIT_FOR_TICK;
		2855	our @WAIT_FOR_TICK_BEGIN;
		2856
		2857	sub wait_for_tick {
		2858	return unless $TICK_WATCHER->is_active;
		2859	return if $Coro::current == $Coro::main;
		2860
		2861	my $signal = new Coro::Signal;
		2862	push @WAIT_FOR_TICK, $signal;
		2863	$signal->wait;
		2864	}
		2865
		2866	sub wait_for_tick_begin {
		2867	return unless $TICK_WATCHER->is_active;
		2868	return if $Coro::current == $Coro::main;
		2869
		2870	my $signal = new Coro::Signal;
		2871	push @WAIT_FOR_TICK_BEGIN, $signal;
		2872	$signal->wait;
		2873	}
		2874
		2875	my $min = 1e6;#d#
		2876	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	2877	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	2878	reentrant => 0,
2497	parked => 1,	2879	parked => 1,
2498	prio => 0,	2880	prio => 0,
2499	at => $NEXT_TICK || $TICK,	2881	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2885	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	2886	unless ++$bug_warning > 10;
2505	return;	2887	return;
2506	}	2888	}
2507		2889
2508	$NOW = Event::time;	2890	$NOW = $tick_start = Event::time;
2509		2891
2510	cf::server_tick; # one server iteration	2892	cf::server_tick; # one server iteration
		2893
		2894	0 && sync_job {#d#
		2895	for(1..10) {
		2896	my $t = Event::time;
		2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2898	or die;
		2899
		2900	$map->width (50);
		2901	$map->height (50);
		2902	$map->alloc;
		2903	$map->_load_objects ("/tmp/x.map", 1);
		2904	my $t = Event::time - $t;
		2905
		2906	#next unless $t < 0.0013;#d#
		2907	if ($t < $min) {
		2908	$min = $t;
		2909	}
		2910	$avg = $avg * 0.99 + $t * 0.01;
		2911	}
		2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2913	exit 0;
		2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2915	};
		2916
2511	$RUNTIME += $TICK;	2917	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	2918	$NEXT_TICK += $TICK;
2513		2919
2514	$WAIT_FOR_TICK->broadcast;	2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		2922	Coro::async_pool {
2517	Event::sweep;	2923	write_runtime
2518	Coro::cede_notself;	2924	or warn "ERROR: unable to write runtime file: $!";
		2925	};
2519		2926	}
		2927
2520	# my $AFTER = Event::time;	2928	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	2929	# warn $AFTER - $NOW;#d#
2522		2930
		2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2932	$sig->send;
		2933	}
		2934	while (my $sig = shift @WAIT_FOR_TICK) {
		2935	$sig->send;
		2936	}
		2937
		2938	$NOW = Event::time;
		2939
2523	# if we are delayed by four ticks or more, skip them all	2940	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		2942
2526	$TICK_WATCHER->at ($NEXT_TICK);	2943	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	2944	$TICK_WATCHER->start;
		2945
		2946	$LOAD = ($NOW - $tick_start) / $TICK;
		2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2948
		2949	_post_tick;
		2950
		2951
2528	},	2952	},
2529	);	2953	);
2530		2954
2531	{	2955	{
2532	BDB::max_poll_time $TICK * 0.1;	2956	BDB::max_poll_time $TICK * 0.1;
…		…
2560		2984
2561	cf::sync_job {	2985	cf::sync_job {
2562	eval {	2986	eval {
2563	BDB::db_env_open	2987	BDB::db_env_open
2564	$DB_ENV,	2988	$DB_ENV,
2565	$BDB_ENV_DIR,	2989	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	2990	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	2992	0666;
2569		2993
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		2995
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	2997	$DB_ENV->set_lk_detect;
2574	};	2998	};
2575		2999
…		…
2583		3007
2584	undef $Coro::AIO::WATCHER;	3008	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3009	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3010	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3011	reentrant => 0,
		3012	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3013	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3014	poll => 'r',
2590	prio => 6,	3015	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3016	cb => \&IO::AIO::poll_cb,
2593	);	3017	);
2594	}	3018	}
2595		3019
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3020	my $_log_backtrace;
2597	reentrant => 0,	3021
2598	data => WF_AUTOCANCEL,	3022	sub _log_backtrace {
2599	after => 1,	3023	my ($msg, @addr) = @_;
2600	interval => 10,	3024
2601	prio => 6, # keep it lowest so it acts like a watchdog	3025	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3026
2603	write_runtime	3027	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3028	if ($_log_backtrace < 2) {
		3029	++$_log_backtrace;
		3030	async {
		3031	my @bt = fork_call {
		3032	@addr = map { sprintf "%x", $_ } @addr;
		3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3035	or die "addr2line: $!";
		3036
		3037	my @funcs;
		3038	my @res = <$fh>;
		3039	chomp for @res;
		3040	while (@res) {
		3041	my ($func, $line) = splice @res, 0, 2, ();
		3042	push @funcs, "[$func] $line";
		3043	}
		3044
		3045	@funcs
		3046	};
		3047
		3048	LOG llevInfo, "[ABT] $msg\n";
		3049	LOG llevInfo, "[ABT] $_\n" for @bt;
		3050	--$_log_backtrace;
		3051	};
		3052	} else {
		3053	LOG llevInfo, "[ABT] $msg\n";
		3054	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3055	}
2606	);	3056	}
		3057
		3058	# load additional modules
		3059	use cf::pod;
2607		3060
2608	END { cf::emergency_save }	3061	END { cf::emergency_save }
2609		3062
2610	1	3063	1
2611		3064

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