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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 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;
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 $NEXT_RUNTIME_WRITE; # when should the runtime file be written	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;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		91
76	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	129	every server tick.
114		130
115	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		194
163	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	235	$d
204	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
205	}	237	}
206		238
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		240
209	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
210		242
211	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
212		244
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
221		246
222	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		248
231	=item cf::lock_wait $string	249	=item cf::lock_wait $string
232		250
233	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
234		252
…		…
240	returned.	258	returned.
241		259
242	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
244		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
245	=cut	267	=cut
246		268
247	our %LOCK;	269	our %LOCK;
248		270
249	sub lock_wait($) {	271	sub lock_wait($) {
…		…
266		288
267	Coro::guard {	289	Coro::guard {
268	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
270	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
271	}	299	}
272		300
273	sub freeze_mainloop {	301	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
275		303
…		…
305		333
306	sub sync_job(&) {	334	sub sync_job(&) {
307	my ($job) = @_;	335	my ($job) = @_;
308		336
309	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
310	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
312		342
313	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
325		355
326	while ($busy) {	356	while ($busy) {
327	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
328	}	358	}
329		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
330	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
331	} else {	368	} else {
332	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
333		370
334	$job->()	371	$job->()
…		…
354		391
355	$coro	392	$coro
356	}	393	}
357		394
358	sub write_runtime {	395	sub write_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
359	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
360
361	my $runtime = cf::localdir . "/runtime";
362		404
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364	or return;	406	or return;
365		407
366	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
372		414
373	# always fsync - this file is important	415	# always fsync - this file is important
374	aio_fsync $fh	416	aio_fsync $fh
375	and return;	417	and return;
376		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
377	close $fh	422	close $fh
378	or return;	423	or return;
379		424
380	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
381	and return;	426	and return;
382		427
		428	warn "runtime file written.\n";
		429
383	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	442	}
385		443
386	=back	444	=back
387		445
388	=cut	446	=cut
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
569		627
570	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		632
575	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	634	my $pkg = shift @arg;
577		635
578	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
619	if (ref $_[0]) {	677	if (ref $_[0]) {
620	_object_attach @_;	678	_object_attach @_;
621	} else {	679	} else {
622	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
623	}	681	}
		682	_recalc_want;
624	};	683	};
625		684
626	# all those should be optimised	685	# all those should be optimised
627	sub cf::attachable::detach {	686	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
632	reattach ($obj);	691	reattach ($obj);
633	} else {	692	} else {
634	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
635	}	694	}
		695	_recalc_want;
636	};	696	};
637		697
638	sub cf::attachable::attached {	698	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
640		700
…		…
813	or return;	873	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
815	}	875	}
816		876
817	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	879	return ($data, $av);
820	}	880	}
821		881
822	#############################################################################	882	#############################################################################
823	# command handling &c	883	# command handling &c
…		…
950	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
951		1011
952	=cut	1012	=cut
953		1013
954	sub playerdir($) {	1014	sub playerdir($) {
955	cf::localdir	1015	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1017	}
961		1018
962	sub path($) {	1019	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1021
965	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
966	}	1023	}
967		1024
968	sub find_active($) {	1025	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1040	my $login = $_[0];
984		1041
985	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
986		1043
987	$cf::PLAYER{$_[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
988	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
989	or return;	1053	or return;
990	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
991	}	1055	}
992	}	1056	}
…		…
1029		1093
1030	=cut	1094	=cut
1031		1095
1032	sub quit_character {	1096	sub quit_character {
1033	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1034		1100
1035	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1036	$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
1037		1103
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1135	}
1050		1136
1051	=item cf::player::list_logins	1137	=item cf::player::list_logins
1052		1138
1053	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
1054	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1055		1141
1056	=cut	1142	=cut
1057		1143
1058	sub list_logins {	1144	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1146	or return [];
1061		1147
1062	my @logins;	1148	my @logins;
1063		1149
1064	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1099	}	1185	}
1100		1186
1101	\@paths	1187	\@paths
1102	}	1188	}
1103		1189
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1105		1191
1106	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1107		1193
1108	=cut	1194	=cut
1109		1195
1110	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1112		1198
1113	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1114		1200
1115	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1116	}	1202	}
1117		1203
1118	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	}
1119		1244
1120	=back	1245	=back
1121
1122		1246
1123	=head3 cf::map	1247	=head3 cf::map
1124		1248
1125	=over 4	1249	=over 4
1126		1250
…		…
1181	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1182		1306
1183	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1184	local $self->{path};	1308	local $self->{path};
1185	local $self->{load_path};	1309	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1310
1189	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1190	}	1312	}
1191		1313
1192	sub normalise {	1314	sub normalise {
…		…
1264		1386
1265	# the original (read-only) location	1387	# the original (read-only) location
1266	sub load_path {	1388	sub load_path {
1267	my ($self) = @_;	1389	my ($self) = @_;
1268		1390
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1270	}	1392	}
1271		1393
1272	# the temporary/swap location	1394	# the temporary/swap location
1273	sub save_path {	1395	sub save_path {
1274	my ($self) = @_;	1396	my ($self) = @_;
1275		1397
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1278	}	1400	}
1279		1401
1280	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1281	sub uniq_path {	1403	sub uniq_path {
1282	my ($self) = @_;	1404	my ($self) = @_;
1283		1405
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1286	}	1408	}
1287		1409
1288	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1289	# all maps in C++...	1411	# all maps in C++...
1290	sub change_all_map_light {	1412	sub change_all_map_light {
1291	my ($change) = @_;	1413	my ($change) = @_;
1292		1414
1293	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
		1417	}
		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
1295	}	1425	}
1296		1426
1297	sub unlink_save {	1427	sub unlink_save {
1298	my ($self) = @_;	1428	my ($self) = @_;
1299		1429
…		…
1357	$self->load_header_orig	1487	$self->load_header_orig
1358	or return;	1488	or return;
1359	$self->prepare_orig;	1489	$self->prepare_orig;
1360	}	1490	}
1361		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
1362	1	1498	1
1363	}	1499	}
1364		1500
1365	sub find;	1501	sub find;
1366	sub find {	1502	sub find {
…		…
1378	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1379		1515
1380	$map->load_header	1516	$map->load_header
1381	or return;	1517	or return;
1382		1518
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1522	$map->reset;
1387	undef $guard;	1523	undef $guard;
1388	return find $path;	1524	return find $path;
…		…
1399	my ($self) = @_;	1535	my ($self) = @_;
1400		1536
1401	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1402		1538
1403	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1404	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1405		1543
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1545
1408	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1409		1547
1410	$self->alloc;	1548	$self->alloc;
1411		1549
1412	$self->pre_load;	1550	$self->pre_load;
1413
1414	$self->_load_objects ($self->{load_path}, 1)
1415	or return;
1416
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};
1419
1420	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {
1423	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);
1425	}
1426	}
1427
1428	Coro::cede;
1429
1430	# now do the right thing for maps
1431	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;	1551	Coro::cede;
1438	$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;
1439	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	1571	unless $self->difficulty;
1441	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;
1442	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	1585	}
1444		1586
1445	$self->post_load;	1587	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1588	}
1449		1589
1450	sub customise_for {	1590	sub customise_for {
1451	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1452		1592
1453	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1455		1598
1456	$self	1599	$self
1457	}	1600	}
1458		1601
1459	# 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
…		…
1570		1713
1571	sub reset_at {	1714	sub reset_at {
1572	my ($self) = @_;	1715	my ($self) = @_;
1573		1716
1574	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1577		1719
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	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;
1580		1722
…		…
1591	my ($self) = @_;	1733	my ($self) = @_;
1592		1734
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		1736
1595	return if $self->players;	1737	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		1738
1598	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1599		1740
1600	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1601		1742
1602	# need to save uniques path	1743	# need to save uniques path
1603	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1635	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1636		1777
1637	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1638	}	1779	}
1639		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
1640	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1641		1800
1642	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	1802	instantiated unique items. May block.
1644		1803
1645	=cut	1804	=cut
1646		1805
1647	sub unique_maps() {	1806	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1649	or return;	1808	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	1809	utf8::decode $_;
1655	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1656	next unless /^$PATH_SEP/o;	1811	? normalise $_
1657		1812	: ()
1658	push @paths, cf::map::normalise $_;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	1814	]
1660
1661	\@paths
1662	}	1815	}
1663		1816
1664	package cf;	1817	package cf;
1665		1818
1666	=back	1819	=back
…		…
1772	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1773		1926
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		1928
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1778		1931
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	1933	}
1781		1934
1782	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1784		1939
1785	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1786		1941
1787	unless ($map) {	1942	unless ($map) {
1788	# restore original map position	1943	# restore original map position
…		…
1811		1966
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	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	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
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
…		…
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;	2370	cf::cleanup "db_open(db): $!" if $!;
2210	};	2371	};
2211	cf::cleanup "db_open(db): $@" if $@;	2372	cf::cleanup "db_open(db): $@" if $@;
2212	};	2373	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}	2374	}
2228	}	2375	}
2229		2376
2230	sub db_get($$) {	2377	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";	2378	my $key = "$_[0]/$_[1]";
2232		2379
2233	cf::sync_job {	2380	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;	2381	BDB::db_get $DB, undef, $key, my $data;
2235		2382
2236	$! ? ()	2383	$! ? ()
2237	: Compress::LZF::sthaw $data	2384	: $data
2238	}	2385	}
2239	}	2386	}
2240		2387
2241	sub db_put($$$) {	2388	sub db_put($$$) {
2242	BDB::dbreq_pri 4;	2389	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2391	}
		2392
		2393	=item cf::cache $id => [$paths...], $processversion => $process
		2394
		2395	Generic caching function that returns the value of the resource $id,
		2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($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 "$src->[$_]: $!";
		2425	}
		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	}
2244	}	2505	}
2245		2506
2246	#############################################################################	2507	#############################################################################
2247	# the server's init and main functions	2508	# the server's init and main functions
2248		2509
2249	sub init_resources {	2510	sub load_facedata($) {
2250	load_resource_file 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"
2251	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;
2252	}	2596	}
2253		2597
2254	sub cfg_load {	2598	sub cfg_load {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	2600	or return;
2257		2601
2258	local $/;	2602	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2260		2604
…		…
2268	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2269	and die "WARNING: m(un)lockall failed: $!\n";	2613	and die "WARNING: m(un)lockall failed: $!\n";
2270	};	2614	};
2271	warn $@ if $@;	2615	warn $@ if $@;
2272	}	2616	}
2273	}
2274
2275	sub init {
2276	init_resources;
2277	}	2617	}
2278		2618
2279	sub main {	2619	sub main {
2280	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
…		…
2349		2689
2350	warn Carp::longmess "post_cleanup backtrace"	2690	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	2691	if $make_core;
2352	}	2692	}
2353		2693
2354	sub reload() {	2694	sub do_reload_perl() {
2355	# can/must only be called in main	2695	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	2697	warn "can only reload from main coroutine";
2358	return;	2698	return;
2359	}	2699	}
…		…
2384	Coro::cede;	2724	Coro::cede;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	2725	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	2726	warn "iterate...";
2387	}	2727	}
2388		2728
		2729	++$RELOAD;
		2730
2389	warn "cancelling all extension coros";	2731	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	2733	%EXT_CORO = ();
2392		2734
2393	warn "removing commands";	2735	warn "removing commands";
…		…
2432	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2433	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);
2434		2776
2435	warn "unloading cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2437		2780
2438	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2439	# and global variables created in xs	2782	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2441		2784
…		…
2450		2793
2451	warn "loading extensions";	2794	warn "loading extensions";
2452	cf::load_extensions;	2795	cf::load_extensions;
2453		2796
2454	warn "reattaching attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2455	_global_reattach;	2798	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	2799	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2458		2801	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	2802	reattach $_ for values %PLAYER;
2460	init_resources;
2461		2803
2462	warn "leaving sync_job";	2804	warn "leaving sync_job";
2463		2805
2464	1	2806	1
2465	} or do {	2807	} or do {
…		…
2471	warn "reloaded";	2813	warn "reloaded";
2472	};	2814	};
2473		2815
2474	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2475		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
2476	register_command "reload" => sub {	2833	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2478		2835
2479	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2481		2838	async { reload_perl };
2482	# doing reload synchronously and two reloads happen back-to-back,
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);
2494	}	2839	}
2495	};	2840	};
2496		2841
2497	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2498		2843
2499	my $bug_warning = 0;	2844	my $bug_warning = 0;
2500		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;
2501	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2502	reentrant => 0,	2870	reentrant => 0,
2503	parked => 1,	2871	parked => 1,
2504	prio => 0,	2872	prio => 0,
2505	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
…		…
2509	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"
2510	unless ++$bug_warning > 10;	2878	unless ++$bug_warning > 10;
2511	return;	2879	return;
2512	}	2880	}
2513		2881
2514	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2515		2883
2516	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
2517	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2519		2911
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2523	write_runtime	2915	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	2916	or warn "ERROR: unable to write runtime file: $!";
2525	};	2917	};
2526	}	2918	}
2527		2919
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;	2920	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#	2921	# warn $AFTER - $NOW;#d#
2533		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
2534	# 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
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2536		2934
2537	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2538	$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
2539	},	2944	},
2540	);	2945	);
2541		2946
2542	{	2947	{
2543	BDB::max_poll_time $TICK * 0.1;	2948	BDB::max_poll_time $TICK * 0.1;
…		…
2571		2976
2572	cf::sync_job {	2977	cf::sync_job {
2573	eval {	2978	eval {
2574	BDB::db_env_open	2979	BDB::db_env_open
2575	$DB_ENV,	2980	$DB_ENV,
2576	$BDB_ENV_DIR,	2981	$BDBDIR,
2577	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
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	2984	0666;
2580		2985
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582		2987
2583	$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);
2584	$DB_ENV->set_lk_detect;	2989	$DB_ENV->set_lk_detect;
2585	};	2990	};
2586		2991
…		…
2602	prio => 6,	3007	prio => 6,
2603	cb => \&IO::AIO::poll_cb,	3008	cb => \&IO::AIO::poll_cb,
2604	);	3009	);
2605	}	3010	}
2606		3011
		3012	my $_log_backtrace;
		3013
		3014	sub _log_backtrace {
		3015	my ($msg, @addr) = @_;
		3016
		3017	$msg =~ s/\n//;
		3018
		3019	# limit the # of concurrent backtraces
		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";
		3047	}
		3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
		3052
2607	END { cf::emergency_save }	3053	END { cf::emergency_save }
2608		3054
2609	1	3055	1
2610		3056

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