ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 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	}
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1119
1056	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
1057	}	1121	}
1058		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;
		1135	}
		1136
1059	=item cf::player::list_logins	1137	=item cf::player::list_logins
1060		1138
1061	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
1062	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1063		1141
1064	=cut	1142	=cut
1065		1143
1066	sub list_logins {	1144	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1146	or return [];
1069		1147
1070	my @logins;	1148	my @logins;
1071		1149
1072	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1107	}	1185	}
1108		1186
1109	\@paths	1187	\@paths
1110	}	1188	}
1111		1189
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1113		1191
1114	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1115		1193
1116	=cut	1194	=cut
1117		1195
1118	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1119	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1120		1198
1121	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1122		1200
1123	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1124	}	1202	}
1125		1203
1126	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	}
1127		1244
1128	=back	1245	=back
1129
1130		1246
1131	=head3 cf::map	1247	=head3 cf::map
1132		1248
1133	=over 4	1249	=over 4
1134		1250
…		…
1189	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1190		1306
1191	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1192	local $self->{path};	1308	local $self->{path};
1193	local $self->{load_path};	1309	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1310
1197	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1198	}	1312	}
1199		1313
1200	sub normalise {	1314	sub normalise {
…		…
1272		1386
1273	# the original (read-only) location	1387	# the original (read-only) location
1274	sub load_path {	1388	sub load_path {
1275	my ($self) = @_;	1389	my ($self) = @_;
1276		1390
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1278	}	1392	}
1279		1393
1280	# the temporary/swap location	1394	# the temporary/swap location
1281	sub save_path {	1395	sub save_path {
1282	my ($self) = @_;	1396	my ($self) = @_;
1283		1397
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1286	}	1400	}
1287		1401
1288	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1289	sub uniq_path {	1403	sub uniq_path {
1290	my ($self) = @_;	1404	my ($self) = @_;
1291		1405
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1294	}	1408	}
1295		1409
1296	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1297	# all maps in C++...	1411	# all maps in C++...
1298	sub change_all_map_light {	1412	sub change_all_map_light {
1299	my ($change) = @_;	1413	my ($change) = @_;
1300		1414
1301	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1302	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;
1303	}	1425	}
1304		1426
1305	sub unlink_save {	1427	sub unlink_save {
1306	my ($self) = @_;	1428	my ($self) = @_;
1307		1429
…		…
1365	$self->load_header_orig	1487	$self->load_header_orig
1366	or return;	1488	or return;
1367	$self->prepare_orig;	1489	$self->prepare_orig;
1368	}	1490	}
1369		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
1370	1	1498	1
1371	}	1499	}
1372		1500
1373	sub find;	1501	sub find;
1374	sub find {	1502	sub find {
…		…
1386	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1387		1515
1388	$map->load_header	1516	$map->load_header
1389	or return;	1517	or return;
1390		1518
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1520	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1394	$map->reset;	1522	$map->reset;
1395	undef $guard;	1523	undef $guard;
1396	return find $path;	1524	return find $path;
…		…
1407	my ($self) = @_;	1535	my ($self) = @_;
1408		1536
1409	local $self->{deny_reset} = 1; # loading can take a long time	1537	local $self->{deny_reset} = 1; # loading can take a long time
1410		1538
1411	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1412	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1413		1543
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1545
1416	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1417		1547
1418	$self->alloc;	1548	$self->alloc;
1419		1549
1420	$self->pre_load;	1550	$self->pre_load;
1421
1422	$self->_load_objects ($self->{load_path}, 1)
1423	or return;
1424
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426	if delete $self->{load_original};
1427
1428	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {
1431	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);
1433	}
1434	}
1435
1436	Coro::cede;
1437
1438	# now do the right thing for maps
1439	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;	1551	Coro::cede;
1446	$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;
1447	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	1571	unless $self->difficulty;
1449	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;
1450	$self->activate;	1581	$self->activate;
		1582	}
		1583
		1584	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1585	}
1452		1586
1453	$self->post_load;	1587	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	1588	}
1457		1589
1458	sub customise_for {	1590	sub customise_for {
1459	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1460		1592
1461	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1463		1598
1464	$self	1599	$self
1465	}	1600	}
1466		1601
1467	# 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
…		…
1578		1713
1579	sub reset_at {	1714	sub reset_at {
1580	my ($self) = @_;	1715	my ($self) = @_;
1581		1716
1582	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1585		1719
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	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;
1588		1722
…		…
1599	my ($self) = @_;	1733	my ($self) = @_;
1600		1734
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1736
1603	return if $self->players;	1737	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		1738
1606	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
1607		1740
1608	$self->in_memory (cf::MAP_SWAPPED);	1741	$self->in_memory (cf::MAP_SWAPPED);
1609		1742
1610	# need to save uniques path	1743	# need to save uniques path
1611	unless ($self->{deny_save}) {	1744	unless ($self->{deny_save}) {
…		…
1643	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1644		1777
1645	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1646	}	1779	}
1647		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
1648	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1649		1800
1650	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	1802	instantiated unique items. May block.
1652		1803
1653	=cut	1804	=cut
1654		1805
1655	sub unique_maps() {	1806	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1657	or return;	1808	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	1809	utf8::decode $_;
1663	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1664	next unless /^$PATH_SEP/o;	1811	? normalise $_
1665		1812	: ()
1666	push @paths, cf::map::normalise $_;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	1814	]
1668
1669	\@paths
1670	}	1815	}
1671		1816
1672	package cf;	1817	package cf;
1673		1818
1674	=back	1819	=back
…		…
1780	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1781		1926
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		1928
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1786		1931
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	1933	}
1789		1934
1790	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1792		1939
1793	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1794		1941
1795	unless ($map) {	1942	unless ($map) {
1796	# restore original map position	1943	# restore original map position
…		…
1819		1966
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1822	}	1969	}
1823		1970
1824	cf::player->attach (
1825	on_logout => sub {
1826	my ($pl) = @_;
1827
1828	# abort map switching before logout
1829	if ($pl->ob->{_link_pos}) {
1830	cf::sync_job {
1831	$pl->ob->leave_link
1832	};
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837
1838	# try to abort aborted map switching on player login :)
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855
1856	=item $player_object->goto ($path, $x, $y)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1857		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
1858	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1859		1981
1860	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1861	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;
1862		1987
1863	$self->enter_link;	1988	$self->enter_link;
1864		1989
1865	(async {	1990	(async {
1866	my $map = eval {	1991	my $map = eval {
1867	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1868	$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
1869	$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 $@;
1870	} or	2007	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1874	})->prio (1);	2013	})->prio (1);
1875	}	2014	}
1876		2015
1877	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1878		2017
…		…
1917		2056
1918	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1919		2058
1920	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1921	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1923		2062
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2065	undef $fh;
1927	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1936		2075
1937	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1938		2077
1939	if ($exit->slaying eq "/!") {	2078	if ($exit->slaying eq "/!") {
1940	#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
1941	cf::sync_job { prepare_random_map $exit };	2082	cf::sync_job { prepare_random_map $exit };
1942	}	2083	}
1943		2084
1944	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;
1945	my $hp = $exit->stats->hp;	2086	my $hp = $exit->stats->hp;
…		…
1953	$self->goto ($slaying, $hp, $sp);	2094	$self->goto ($slaying, $hp, $sp);
1954		2095
1955	1;	2096	1;
1956	}) {	2097	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1958	. "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. "
1959	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2102
1962	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2104	$self->leave_link;
1964	}	2105	}
1965	})->prio (1);	2106	})->prio (1);
…		…
1978		2119
1979	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1981		2122
1982	utf8::encode $text;	2123	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2125	}
1985		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	}
1986		2139
1987	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1988		2141
1989	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1990	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>,
…		…
2087		2240
2088	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2089		2242
2090	=pod	2243	=pod
2091		2244
2092	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2093		2246
2094	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2095	cf::object::player player	2248	cf::object::player player
2096	cf::player peaceful	2249	cf::player peaceful
2097	cf::map trigger	2250	cf::map trigger
…		…
2182	#############################################################################	2335	#############################################################################
2183		2336
2184	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2185		2338
2186	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2188	excludes objects.	2341	convert to/from binary).
2189		2342
2190	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
2191	using it, it should be unique.	2344	using it, it should be unique.
2192		2345
2193	=over 4	2346	=over 4
…		…
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;	2370	cf::cleanup "db_open(db): $!" if $!;
2218	};	2371	};
2219	cf::cleanup "db_open(db): $@" if $@;	2372	cf::cleanup "db_open(db): $@" if $@;
2220	};	2373	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}	2374	}
2236	}	2375	}
2237		2376
2238	sub db_get($$) {	2377	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";	2378	my $key = "$_[0]/$_[1]";
2240		2379
2241	cf::sync_job {	2380	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;	2381	BDB::db_get $DB, undef, $key, my $data;
2243		2382
2244	$! ? ()	2383	$! ? ()
2245	: Compress::LZF::sthaw $data	2384	: $data
2246	}	2385	}
2247	}	2386	}
2248		2387
2249	sub db_put($$$) {	2388	sub db_put($$$) {
2250	BDB::dbreq_pri 4;	2389	BDB::dbreq_pri 4;
2251	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	}
2252	}	2505	}
2253		2506
2254	#############################################################################	2507	#############################################################################
2255	# the server's init and main functions	2508	# the server's init and main functions
2256		2509
2257	sub init_resources {	2510	sub load_facedata($) {
2258	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"
2259	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;
2260	}	2596	}
2261		2597
2262	sub cfg_load {	2598	sub cfg_load {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	2600	or return;
2265		2601
2266	local $/;	2602	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2268		2604
…		…
2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2612	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277	and die "WARNING: m(un)lockall failed: $!\n";	2613	and die "WARNING: m(un)lockall failed: $!\n";
2278	};	2614	};
2279	warn $@ if $@;	2615	warn $@ if $@;
2280	}	2616	}
2281	}
2282
2283	sub init {
2284	init_resources;
2285	}	2617	}
2286		2618
2287	sub main {	2619	sub main {
2288	# we must not ever block the main coroutine	2620	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	2621	local $Coro::idle = sub {
…		…
2357		2689
2358	warn Carp::longmess "post_cleanup backtrace"	2690	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	2691	if $make_core;
2360	}	2692	}
2361		2693
2362	sub reload() {	2694	sub do_reload_perl() {
2363	# can/must only be called in main	2695	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	2697	warn "can only reload from main coroutine";
2366	return;	2698	return;
2367	}	2699	}
…		…
2392	Coro::cede;	2724	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	2725	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";	2726	warn "iterate...";
2395	}	2727	}
2396		2728
		2729	++$RELOAD;
		2730
2397	warn "cancelling all extension coros";	2731	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	2733	%EXT_CORO = ();
2400		2734
2401	warn "removing commands";	2735	warn "removing commands";
…		…
2440	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2441	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);
2442		2776
2443	warn "unloading cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2445		2780
2446	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2447	# and global variables created in xs	2782	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2449		2784
…		…
2458		2793
2459	warn "loading extensions";	2794	warn "loading extensions";
2460	cf::load_extensions;	2795	cf::load_extensions;
2461		2796
2462	warn "reattaching attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2463	_global_reattach;	2798	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	2799	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2466		2801	warn "reattaching attachments to players";
2467	warn "loading reloadable resources";	2802	reattach $_ for values %PLAYER;
2468	init_resources;
2469		2803
2470	warn "leaving sync_job";	2804	warn "leaving sync_job";
2471		2805
2472	1	2806	1
2473	} or do {	2807	} or do {
…		…
2479	warn "reloaded";	2813	warn "reloaded";
2480	};	2814	};
2481		2815
2482	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2483		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
2484	register_command "reload" => sub {	2833	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2486		2835
2487	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2489		2838	async { reload_perl };
2490	# doing reload synchronously and two reloads happen back-to-back,
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);
2502	}	2839	}
2503	};	2840	};
2504		2841
2505	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2506		2843
2507	my $bug_warning = 0;	2844	my $bug_warning = 0;
2508		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;
2509	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2510	reentrant => 0,	2870	reentrant => 0,
2511	parked => 1,	2871	parked => 1,
2512	prio => 0,	2872	prio => 0,
2513	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
…		…
2517	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"
2518	unless ++$bug_warning > 10;	2878	unless ++$bug_warning > 10;
2519	return;	2879	return;
2520	}	2880	}
2521		2881
2522	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2523		2883
2524	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
2525	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2527		2911
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2531	write_runtime	2915	write_runtime
2532	or warn "ERROR: unable to write runtime file: $!";	2916	or warn "ERROR: unable to write runtime file: $!";
2533	};	2917	};
2534	}	2918	}
2535		2919
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;	2920	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#	2921	# warn $AFTER - $NOW;#d#
2541		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
2542	# 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
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2544		2934
2545	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2546	$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
2547	},	2944	},
2548	);	2945	);
2549		2946
2550	{	2947	{
2551	BDB::max_poll_time $TICK * 0.1;	2948	BDB::max_poll_time $TICK * 0.1;
…		…
2579		2976
2580	cf::sync_job {	2977	cf::sync_job {
2581	eval {	2978	eval {
2582	BDB::db_env_open	2979	BDB::db_env_open
2583	$DB_ENV,	2980	$DB_ENV,
2584	$BDB_ENV_DIR,	2981	$BDBDIR,
2585	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
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	2984	0666;
2588		2985
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590		2987
2591	$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);
2592	$DB_ENV->set_lk_detect;	2989	$DB_ENV->set_lk_detect;
2593	};	2990	};
2594		2991
…		…
2610	prio => 6,	3007	prio => 6,
2611	cb => \&IO::AIO::poll_cb,	3008	cb => \&IO::AIO::poll_cb,
2612	);	3009	);
2613	}	3010	}
2614		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
2615	END { cf::emergency_save }	3053	END { cf::emergency_save }
2616		3054
2617	1	3055	1
2618		3056

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines