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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.206 by root, Sun Feb 11 22:27:05 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
27		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		41
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
34		44
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		48
37	our %COMMAND = ();	49	our %COMMAND = ();
38	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
39		51
40	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	53	our %EXTCMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
44		56
		57	our $RELOAD; # number of reloads so far
45	our @EVENT;	58	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		59
48	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $TICK_WATCHER;	73	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	76	our $NEXT_TICK;
53	our $NOW;	77	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		79
56	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
…		…
62	our $RUNTIME;	86	our $RUNTIME;
63		87
64	our %PLAYER; # all users	88	our %PLAYER; # all users
65	our %MAP; # all maps	89	our %MAP; # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		91
73	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
76	binmode STDOUT;	99	binmode STDOUT;
77	binmode STDERR;	100	binmode STDERR;
78		101
79	# read virtual server time, if available	102	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
84	}	107	}
85		108
86	mkdir cf::localdir;	109	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		111
93	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
94		113
95	sub cf::map::normalise;	114	sub cf::map::normalise;
96		115
…		…
107	=item $cf::RUNTIME	126	=item $cf::RUNTIME
108		127
109	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
110	every server tick.	129	every server tick.
111		130
112	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
113		134
114	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
115	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
116		139
117	=item $cf::NOW	140	=item $cf::NOW
118		141
119	The time of the last (current) server tick.	142	The time of the last (current) server tick.
120		143
121	=item $cf::TICK	144	=item $cf::TICK
122		145
123	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
124		157
125	=item %cf::CFG	158	=item %cf::CFG
126		159
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	161	from wherever your confdir points to.
129		162
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		164
132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
134	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
135	window of cpu time available, or simply to synchronise to the server tick.
136		168
137	=back	169	=back
138		170
139	=cut	171	=cut
140		172
141	BEGIN {	173	BEGIN {
142	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	175	my $msg = join "", @_;
144	utf8::encode $msg;
145		176
146	$msg .= "\n"	177	$msg .= "\n"
147	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
148		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
149	LOG llevError, $msg;	183	LOG llevError, $msg;
150	};	184	};
151	}	185	}
152		186
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
158	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
159		194
160	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
161	# within the Safe compartment.	196	# within the Safe compartment.
162	for my $pkg (qw(	197	for my $pkg (qw(
163	cf::global cf::attachable	198	cf::global cf::attachable
…		…
199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
200	$d	235	$d
201	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
202	}	237	}
203		238
204	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
205		240
206	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
207		242
208	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
209		244
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
218		246
219	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
220
221	=cut
222
223	sub to_json($) {
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
225	JSON::Syck::Dump $_[0]
226	}
227		248
228	=item cf::lock_wait $string	249	=item cf::lock_wait $string
229		250
230	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
231		252
…		…
237	returned.	258	returned.
238		259
239	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
240	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
241		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
242	=cut	267	=cut
243		268
244	our %LOCK;	269	our %LOCK;
245		270
246	sub lock_wait($) {	271	sub lock_wait($) {
…		…
265	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
267	}	292	}
268	}	293	}
269		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
270	sub freeze_mainloop {	301	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
272		303
273	my $guard = Coro::guard {	304	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	306	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
279	$guard	308	$guard
280	}	309	}
281		310
282	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
304		333
305	sub sync_job(&) {	334	sub sync_job(&) {
306	my ($job) = @_;	335	my ($job) = @_;
307		336
308	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
309	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
311		342
312	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
324		355
325	while ($busy) {	356	while ($busy) {
326	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
327	}	358	}
328		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
329	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
330	} else {	368	} else {
331	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
332		370
333	$job->()	371	$job->()
…		…
353		391
354	$coro	392	$coro
355	}	393	}
356		394
357	sub write_runtime {	395	sub write_runtime {
358	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
359		404
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
361	or return;	406	or return;
362		407
363	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
369		414
370	# always fsync - this file is important	415	# always fsync - this file is important
371	aio_fsync $fh	416	aio_fsync $fh
372	and return;	417	and return;
373		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
374	close $fh	422	close $fh
375	or return;	423	or return;
376		424
377	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
378	and return;	426	and return;
379		427
		428	warn "runtime file written.\n";
		429
380	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
381	}	442	}
382		443
383	=back	444	=back
384		445
385	=cut	446	=cut
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
566		627
567	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		632
572	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	634	my $pkg = shift @arg;
574		635
575	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
616	if (ref $_[0]) {	677	if (ref $_[0]) {
617	_object_attach @_;	678	_object_attach @_;
618	} else {	679	} else {
619	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
620	}	681	}
		682	_recalc_want;
621	};	683	};
622		684
623	# all those should be optimised	685	# all those should be optimised
624	sub cf::attachable::detach {	686	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
629	reattach ($obj);	691	reattach ($obj);
630	} else {	692	} else {
631	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
632	}	694	}
		695	_recalc_want;
633	};	696	};
634		697
635	sub cf::attachable::attached {	698	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
637		700
…		…
784	}	847	}
785	} else {	848	} else {
786	aio_unlink $filename;	849	aio_unlink $filename;
787	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
788	}	851	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	852	}
796	}	853	}
797		854
798	sub object_freezer_as_string {	855	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
805		862
806	sub object_thawer_load {	863	sub object_thawer_load {
807	my ($filename) = @_;	864	my ($filename) = @_;
808		865
809	my ($data, $av);	866	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		867
814	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
815	or return;	869	or return;
816		870
817	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
819	or return;	873	or return;
820	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
821	}	875	}
822		876
823	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
825	return ($data, $av);	879	return ($data, $av);
826	}	880	}
827		881
828	#############################################################################	882	#############################################################################
829	# command handling &c	883	# command handling &c
…		…
889		943
890	cf::override;	944	cf::override;
891	},	945	},
892	);	946	);
893		947
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
929	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	953	next unless -r $path;
931	eval {	954
932	load_extension $ext;	955	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		956	my $base = $1;
		957	my $pkg = $1;
		958	$pkg =~ s/[^[:word:]]/_/g;
		959	$pkg = "ext::$pkg";
		960
		961	open my $fh, "<:utf8", $path
		962	or die "$path: $!";
		963
		964	my $source = do { local $/; <$fh> };
		965
		966	my %ext = (
		967	path => $path,
		968	base => $base,
		969	pkg => $pkg,
		970	);
		971
		972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }
		973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;
		974
		975	$ext{source} =
		976	"package $pkg; use strict; use utf8;\n"
		977	. "#line 1 \"$path\"\n{\n"
		978	. $source
		979	. "\n};\n1";
		980
		981	$todo{$base} = \%ext;
		982	}
		983
		984	my %done;
		985	while (%todo) {
		986	my $progress;
		987
		988	while (my ($k, $v) = each %todo) {
		989	for (split /,\s*/, $ext{meta}{depends}) {
		990	goto skip
		991	unless exists $done{$_};
		992	}
		993
		994	warn "... loading '$k' into '$v->{pkg}'\n";
		995
		996	unless (eval $v->{source}) {
		997	my $msg = $@ ? "$v->{path}: $@\n"
		998	: "extension disabled.\n";
		999
		1000	if (exists $v->{meta}{mandatory}) {
		1001	warn $msg;
		1002	warn "mandatory extension failed to load, exiting.\n";
		1003	exit 1;
		1004	}
		1005
		1006	die $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
933	1	1011	}
934	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
935	}	1017	};
936	}	1018	}
937		1019
938	#############################################################################	1020	#############################################################################
939		1021
940	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
956	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
957		1039
958	=cut	1040	=cut
959		1041
960	sub playerdir($) {	1042	sub playerdir($) {
961	cf::localdir	1043	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1045	}
967		1046
968	sub path($) {	1047	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1049
971	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
972	}	1051	}
973		1052
974	sub find_active($) {	1053	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1068	my $login = $_[0];
990		1069
991	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
992		1071
993	$cf::PLAYER{$_[0]} || do {	1072	$cf::PLAYER{$_[0]} || do {
		1073	# rename old playerfiles to new ones
		1074	#TODO: remove when no longer required
		1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1078	aio_unlink +(playerdir $login) . "/$login.pl";
		1079
994	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
995	or return;	1081	or return;
996	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
997	}	1083	}
998	}	1084	}
…		…
1035		1121
1036	=cut	1122	=cut
1037		1123
1038	sub quit_character {	1124	sub quit_character {
1039	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1040		1128
1041	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1130	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1131
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1141	$pl->destroy;
		1142
		1143	my $prefix = qr<^~\Q$name\E/>;
		1144
		1145	# nuke player maps
		1146	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1147
1054	IO::AIO::aio_rmtree $temp;	1148	IO::AIO::aio_rmtree $temp;
		1149	}
		1150
		1151	=item $pl->kick
		1152
		1153	Kicks a player out of the game. This destroys the connection.
		1154
		1155	=cut
		1156
		1157	sub kick {
		1158	my ($pl, $kicker) = @_;
		1159
		1160	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1161	$pl->killer ("kicked");
		1162	$pl->ns->destroy;
1055	}	1163	}
1056		1164
1057	=item cf::player::list_logins	1165	=item cf::player::list_logins
1058		1166
1059	Returns am arrayref of all valid playernames in the system, can take a	1167	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1061		1169
1062	=cut	1170	=cut
1063		1171
1064	sub list_logins {	1172	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1174	or return [];
1067		1175
1068	my @logins;	1176	my @logins;
1069		1177
1070	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1105	}	1213	}
1106		1214
1107	\@paths	1215	\@paths
1108	}	1216	}
1109		1217
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1111		1219
1112	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1113		1221
1114	=cut	1222	=cut
1115		1223
1116	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1118		1226
1119	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1120		1228
1121	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1122	}	1230	}
1123		1231
1124	package cf;	1232	=item $player->ext_event ($type, %msg)
		1233
		1234	Sends an ext event to the client.
		1235
		1236	=cut
		1237
		1238	sub ext_event($$%) {
		1239	my ($self, $type, %msg) = @_;
		1240
		1241	$self->ns->ext_event ($type, %msg);
		1242	}
		1243
		1244	=head3 cf::region
		1245
		1246	=over 4
		1247
		1248	=cut
		1249
		1250	package cf::region;
		1251
		1252	=item cf::region::find_by_path $path
		1253
		1254	Tries to decuce the probable region for a map knowing only its path.
		1255
		1256	=cut
		1257
		1258	sub find_by_path($) {
		1259	my ($path) = @_;
		1260
		1261	my ($match, $specificity);
		1262
		1263	for my $region (list) {
		1264	if ($region->match && $path =~ $region->match) {
		1265	($match, $specificity) = ($region, $region->specificity)
		1266	if $region->specificity > $specificity;
		1267	}
		1268	}
		1269
		1270	$match
		1271	}
1125		1272
1126	=back	1273	=back
1127
1128		1274
1129	=head3 cf::map	1275	=head3 cf::map
1130		1276
1131	=over 4	1277	=over 4
1132		1278
…		…
1187	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1188		1334
1189	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1190	local $self->{path};	1336	local $self->{path};
1191	local $self->{load_path};	1337	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1338
1195	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1196	}	1340	}
1197		1341
1198	sub normalise {	1342	sub normalise {
…		…
1270		1414
1271	# the original (read-only) location	1415	# the original (read-only) location
1272	sub load_path {	1416	sub load_path {
1273	my ($self) = @_;	1417	my ($self) = @_;
1274		1418
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1276	}	1420	}
1277		1421
1278	# the temporary/swap location	1422	# the temporary/swap location
1279	sub save_path {	1423	sub save_path {
1280	my ($self) = @_;	1424	my ($self) = @_;
1281		1425
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1284	}	1428	}
1285		1429
1286	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1287	sub uniq_path {	1431	sub uniq_path {
1288	my ($self) = @_;	1432	my ($self) = @_;
1289		1433
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1292	}	1436	}
1293		1437
1294	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1295	# all maps in C++...	1439	# all maps in C++...
1296	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1298		1442
1299	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1301	}	1445	}
1302		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1303	sub unlink_save {	1455	sub unlink_save {
1304	my ($self) = @_;	1456	my ($self) = @_;
1305		1457
1306	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1461	}
1315		1462
1316	sub load_header_from($) {	1463	sub load_header_from($) {
1317	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1318		1465
…		…
1368	$self->load_header_orig	1515	$self->load_header_orig
1369	or return;	1516	or return;
1370	$self->prepare_orig;	1517	$self->prepare_orig;
1371	}	1518	}
1372		1519
		1520	$self->{deny_reset} = 1
		1521	if $self->no_reset;
		1522
		1523	$self->default_region (cf::region::find_by_path $self->{path})
		1524	unless $self->default_region;
		1525
1373	1	1526	1
1374	}	1527	}
1375		1528
1376	sub find;	1529	sub find;
1377	sub find {	1530	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1390		1543
1391	$map->load_header	1544	$map->load_header
1392	or return;	1545	or return;
1393		1546
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1550	$map->reset;
1398	undef $guard;	1551	undef $guard;
1399	return find $path;	1552	return find $path;
…		…
1410	my ($self) = @_;	1563	my ($self) = @_;
1411		1564
1412	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1413		1566
1414	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1416		1571
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1573
1419	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1420		1575
1421	$self->alloc;	1576	$self->alloc;
1422		1577
1423	$self->pre_load;	1578	$self->pre_load;
1424
1425	$self->_load_objects ($self->{load_path}, 1)
1426	or return;
1427
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};
1430
1431	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {
1434	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);
1436	}
1437	}
1438
1439	Coro::cede;
1440
1441	# now do the right thing for maps
1442	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;	1579	Coro::cede;
1449	$self->set_darkness_map;	1580
		1581	$self->_load_objects ($self->{load_path}, 1)
		1582	or return;
		1583
		1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1585	if delete $self->{load_original};
		1586
		1587	if (my $uniq = $self->uniq_path) {
		1588	utf8::encode $uniq;
		1589	if (aio_open $uniq, O_RDONLY, 0) {
		1590	$self->clear_unique_items;
		1591	$self->_load_objects ($uniq, 0);
		1592	}
		1593	}
		1594
		1595	Coro::cede;
		1596	# now do the right thing for maps
		1597	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1599	unless $self->difficulty;
1452	Coro::cede;	1600	Coro::cede;
		1601
		1602	unless ($self->{deny_activate}) {
		1603	$self->decay_objects;
		1604	$self->fix_auto_apply;
		1605	$self->update_buttons;
		1606	Coro::cede;
		1607	$self->set_darkness_map;
		1608	Coro::cede;
1453	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1613	}
1455		1614
1456	$self->post_load;	1615	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1616	}
1460		1617
1461	sub customise_for {	1618	sub customise_for {
1462	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1463		1620
1464	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1466		1626
1467	$self	1627	$self
1468	}	1628	}
1469		1629
1470	# find and load all maps in the 3x3 area around a map	1630	# find and load all maps in the 3x3 area around a map
…		…
1581		1741
1582	sub reset_at {	1742	sub reset_at {
1583	my ($self) = @_;	1743	my ($self) = @_;
1584		1744
1585	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1588		1747
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1749	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1750
…		…
1602	my ($self) = @_;	1761	my ($self) = @_;
1603		1762
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1764
1606	return if $self->players;	1765	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1766
1609	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
		1768
		1769	$self->in_memory (cf::MAP_SWAPPED);
		1770
		1771	# need to save uniques path
		1772	unless ($self->{deny_save}) {
		1773	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1774
		1775	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1776	if $uniq;
		1777	}
1610		1778
1611	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1612		1780
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	1781	$self->clear;
1615		1782
1616	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1617		1784
1618	$self->unlink_save;	1785	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1638		1805
1639	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1640	}	1807	}
1641		1808
		1809	=item $maps = cf::map::tmp_maps
		1810
		1811	Returns an arrayref with all map paths of currently instantiated and saved
		1812	maps. May block.
		1813
		1814	=cut
		1815
		1816	sub tmp_maps() {
		1817	[
		1818	map {
		1819	utf8::decode $_;
		1820	/\.map$/
		1821	? normalise $_
		1822	: ()
		1823	} @{ aio_readdir $TMPDIR or [] }
		1824	]
		1825	}
		1826
		1827	=item $maps = cf::map::random_maps
		1828
		1829	Returns an arrayref with all map paths of currently instantiated and saved
		1830	random maps. May block.
		1831
		1832	=cut
		1833
		1834	sub random_maps() {
		1835	[
		1836	map {
		1837	utf8::decode $_;
		1838	/\.map$/
		1839	? normalise "?random/$_"
		1840	: ()
		1841	} @{ aio_readdir $RANDOMDIR or [] }
		1842	]
		1843	}
		1844
1642	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1643		1846
1644	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	1848	instantiated unique items. May block.
1646		1849
1647	=cut	1850	=cut
1648		1851
1649	sub unique_maps() {	1852	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1651	or return;	1854	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	1855	utf8::decode $_;
1657	next if /\.pst$/;	1856	/\.map$/
1658	next unless /^$PATH_SEP/o;	1857	? normalise $_
1659		1858	: ()
1660	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	1860	]
1662
1663	\@paths
1664	}	1861	}
1665		1862
1666	package cf;	1863	package cf;
1667		1864
1668	=back	1865	=back
…		…
1774	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1775		1972
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		1974
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1780		1977
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	1979	}
1783		1980
1784	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1786		1985
1787	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1788		1987
1789	unless ($map) {	1988	unless ($map) {
1790	# restore original map position	1989	# restore original map position
…		…
1808	$map->load;	2007	$map->load;
1809	$map->load_diag;	2008	$map->load_diag;
1810		2009
1811	return unless $self->contr->active;	2010	return unless $self->contr->active;
1812	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1814	}	2015	}
1815		2016
1816	cf::player->attach (
1817	on_logout => sub {
1818	my ($pl) = @_;
1819
1820	# abort map switching before logout
1821	if ($pl->ob->{_link_pos}) {
1822	cf::sync_job {
1823	$pl->ob->leave_link
1824	};
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		2018
		2019	Moves the player to the given map-path and coordinates by first freezing
		2020	her, loading and preparing them map, calling the provided $check callback
		2021	that has to return the map if sucecssful, and then unfreezes the player on
		2022	the new (success) or old (failed) map position.
		2023
1850	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1851		2027
1852	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2029	my ($self, $path, $x, $y, $check) = @_;
		2030
		2031	# do generation counting so two concurrent goto's will be executed in-order
		2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2033
1855	$self->enter_link;	2034	$self->enter_link;
1856		2035
1857	(async {	2036	(async {
1858	my $map = eval {	2037	my $map = eval {
1859	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2041	$map = $map->customise_for ($self);
		2042	$map = $check->($map) if $check && $map;
		2043	} else {
		2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2045	}
		2046
1861	$map	2047	$map
		2048	};
		2049
		2050	if ($@) {
		2051	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2052	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2053	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1866	})->prio (1);	2059	})->prio (1);
1867	}	2060	}
1868		2061
1869	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1870		2063
…		…
1909		2102
1910	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1911		2104
1912	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1915		2108
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2111	undef $fh;
1919	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1928		2121
1929	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1930		2123
1931	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2125	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2126	# the problem is that $exit might not survive long enough
		2127	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1934	}	2129	}
1935		2130
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2131	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1945	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1946		2141
1947	1;	2142	1;
1948	}) {	2143	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2145	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2148
1954	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2150	$self->leave_link;
1956	}	2151	}
1957	})->prio (1);	2152	})->prio (1);
…		…
1970		2165
1971	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1973		2168
1974	utf8::encode $text;	2169	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2171	}
1977		2172
		2173	=item $client->ext_event ($type, %msg)
		2174
		2175	Sends an exti event to the client.
		2176
		2177	=cut
		2178
		2179	sub cf::client::ext_event($$%) {
		2180	my ($self, $type, %msg) = @_;
		2181
		2182	$msg{msgtype} = "event_$type";
		2183	$self->send_packet ("ext " . cf::to_json \%msg);
		2184	}
1978		2185
1979	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1980		2187
1981	Queues a query to the client, calling the given callback with	2188	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>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2079		2286
2080	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2081		2288
2082	=pod	2289	=pod
2083		2290
2084	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2085		2292
2086	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2087	cf::object::player player	2294	cf::object::player player
2088	cf::player peaceful	2295	cf::player peaceful
2089	cf::map trigger	2296	cf::map trigger
…		…
2174	#############################################################################	2381	#############################################################################
2175		2382
2176	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2177		2384
2178	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2180	excludes objects.	2387	convert to/from binary).
2181		2388
2182	The parameter C<$family> should best start with the name of the extension	2389	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.	2390	using it, it should be unique.
2184		2391
2185	=over 4	2392	=over 4
2186		2393
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key	2394	=item $value = cf::db_get $family => $key
2194		2395
2195	Returns a single value from the database	2396	Returns a single value from the database.
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201		2397
2202	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2203		2399
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	Stores the given C<$value> in the family.
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214		2401
2215	=cut	2402	=cut
2216		2403
2217	our $DB;	2404	our $DB;
2218		2405
2219	{	2406	sub db_init {
2220	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2221		2409
2222	sub db_load() {	2410	cf::sync_job {
2223	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2224	}	2412	$DB->set_flags (BDB::CHKSUM);
2225		2413
2226	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2227		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2228	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2229	waitpid $pid, 0 if $pid;	2417	};
2230	if (0 == ($pid = fork)) {	2418	cf::cleanup "db_open(db): $@" if $@;
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}	2419	};
2236	}	2420	}
		2421	}
2237		2422
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {	2423	sub db_get($$) {
2260	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2265	sub db_put($$;$) {	2434	sub db_put($$$) {
2266	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2267	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2268	} else {	2437	}
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273		2438
2274	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2275	prio => 10000,	2440
2276	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2277	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2278	},	2471	}
2279	);	2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2280	}	2551	}
2281		2552
2282	#############################################################################	2553	#############################################################################
2283	# the server's init and main functions	2554	# the server's init and main functions
2284		2555
2285	sub load_resources {	2556	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2557	my ($path) = @_;
		2558
		2559	warn "loading facedata from $path\n";
		2560
		2561	my $facedata;
		2562	0 < aio_load $path, $facedata
		2563	or die "$path: $!";
		2564
		2565	$facedata = Coro::Storable::thaw $facedata;
		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
		2573	while (my ($face, $info) = each %$faces) {
		2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2578	Coro::cede;
		2579	}
		2580
		2581	while (my ($face, $info) = each %$faces) {
		2582	next unless $info->{smooth};
		2583	my $idx = cf::face::find $face
		2584	or next;
		2585	if (my $smooth = cf::face::find $info->{smooth}) {
		2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2587	} else {
		2588	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2589	}
		2590	Coro::cede;
		2591	}
		2592	}
		2593
		2594	{
		2595	my $anims = $facedata->{animinfo};
		2596
		2597	while (my ($anim, $info) = each %$anims) {
		2598	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2599	Coro::cede;
		2600	}
		2601
		2602	cf::anim::invalidate_all; # d'oh
		2603	}
		2604
		2605	1
		2606	}
		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2610	or die "unable to load regions file\n";
		2611	}
		2612
		2613	sub reload_facedata {
		2614	load_facedata "$DATADIR/facedata"
		2615	or die "unable to load facedata\n";
		2616	}
		2617
		2618	sub reload_archetypes {
		2619	load_resource_file "$DATADIR/archetypes"
		2620	or die "unable to load archetypes\n";
		2621	}
		2622
		2623	sub reload_treasures {
		2624	load_resource_file "$DATADIR/treasures"
		2625	or die "unable to load treasurelists\n";
		2626	}
		2627
		2628	sub reload_resources {
		2629	warn "reloading resource files...\n";
		2630
		2631	reload_regions;
		2632	reload_facedata;
		2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
		2638	}
		2639
		2640	sub init {
		2641	reload_resources;
2288	}	2642	}
2289		2643
2290	sub cfg_load {	2644	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2646	or return;
2293		2647
2294	local $/;	2648	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2296		2650
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2659	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2660	};
2307	warn $@ if $@;	2661	warn $@ if $@;
2308	}	2662	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2663	}
2314		2664
2315	sub main {	2665	sub main {
2316	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2670	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2322	};	2672	};
2323		2673
2324	cfg_load;	2674	cfg_load;
2325	db_load;	2675	db_init;
2326	load_extensions;	2676	load_extensions;
2327		2677
2328	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2329	Event::loop;	2679	Event::loop;
2330	}	2680	}
…		…
2369	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2720	$map->valid or next;
2371	$map->save;	2721	$map->save;
2372	}	2722	}
2373	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2374	};	2728	};
2375		2729
2376	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2377	}	2731	}
2378		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2379	sub reload() {	2740	sub do_reload_perl() {
2380	# can/must only be called in main	2741	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2383	return;	2744	return;
2384	}	2745	}
2385		2746
2386	warn "reloading...";	2747	warn "reloading...";
2387		2748
2388	warn "cancelling server ticker";	2749	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2392		2755
2393	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2394	# if anything goes wrong in here, we should simply crash as we already saved	2759	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		2760
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2764	}
2403		2765
2404	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2405	for (;;) {	2767	for (;;) {
		2768	BDB::flush;
2406	IO::AIO::flush;	2769	IO::AIO::flush;
2407	Coro::cede;	2770	Coro::cede;
2408	last unless IO::AIO::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2772	warn "iterate...";
2410	}	2773	}
		2774
		2775	++$RELOAD;
2411		2776
2412	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2779	%EXT_CORO = ();
2415		2780
…		…
2455	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		2822
2458	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2460		2826
2461	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2462	# and global variables created in xs	2828	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2464		2830
…		…
2468	require cf;	2834	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		2836
2471	warn "loading config and database again";	2837	warn "loading config and database again";
2472	cf::cfg_load;	2838	cf::cfg_load;
2473	cf::db_load;
2474		2839
2475	warn "loading extensions";	2840	warn "loading extensions";
2476	cf::load_extensions;	2841	cf::load_extensions;
2477		2842
2478	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2479	_global_reattach;	2844	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2482		2849
2483	warn "loading reloadable resources";	2850	warn "leaving sync_job";
2484	load_resources;
2485		2851
2486	warn "restarting server ticker";	2852	1
2487		2853	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	2854	warn $@;
2493	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2494	exit 1;	2856	exit 1;
2495	}	2857	};
2496		2858
2497	warn "reloaded";	2859	warn "reloaded";
2498	};	2860	};
2499		2861
2500	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2501		2863
		2864	sub reload_perl() {
		2865	# doing reload synchronously and two reloads happen back-to-back,
		2866	# coro crashes during coro_state_free->destroy here.
		2867
		2868	$RELOAD_WATCHER ||= Event->timer (
		2869	reentrant => 0,
		2870	after => 0,
		2871	data => WF_AUTOCANCEL,
		2872	cb => sub {
		2873	do_reload_perl;
		2874	undef $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2502	register_command "reload" => sub {	2879	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2504		2881
2505	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2507		2884	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	2885	}
2521	};	2886	};
2522		2887
2523	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2524		2889
2525	my $bug_warning = 0;	2890	my $bug_warning = 0;
2526		2891
		2892	our @WAIT_FOR_TICK;
		2893	our @WAIT_FOR_TICK_BEGIN;
		2894
		2895	sub wait_for_tick {
		2896	return unless $TICK_WATCHER->is_active;
		2897	return if $Coro::current == $Coro::main;
		2898
		2899	my $signal = new Coro::Signal;
		2900	push @WAIT_FOR_TICK, $signal;
		2901	$signal->wait;
		2902	}
		2903
		2904	sub wait_for_tick_begin {
		2905	return unless $TICK_WATCHER->is_active;
		2906	return if $Coro::current == $Coro::main;
		2907
		2908	my $signal = new Coro::Signal;
		2909	push @WAIT_FOR_TICK_BEGIN, $signal;
		2910	$signal->wait;
		2911	}
		2912
		2913	my $min = 1e6;#d#
		2914	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	2916	reentrant => 0,
2529	parked => 1,	2917	parked => 1,
2530	prio => 0,	2918	prio => 0,
2531	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2537	return;	2925	return;
2538	}	2926	}
2539		2927
2540	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2541		2929
2542	cf::server_tick; # one server iteration	2930	cf::server_tick; # one server iteration
		2931
		2932	0 && sync_job {#d#
		2933	for(1..10) {
		2934	my $t = Event::time;
		2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2936	or die;
		2937
		2938	$map->width (50);
		2939	$map->height (50);
		2940	$map->alloc;
		2941	$map->_load_objects ("/tmp/x.map", 1);
		2942	my $t = Event::time - $t;
		2943
		2944	#next unless $t < 0.0013;#d#
		2945	if ($t < $min) {
		2946	$min = $t;
		2947	}
		2948	$avg = $avg * 0.99 + $t * 0.01;
		2949	}
		2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2951	exit 0;
		2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2953	};
		2954
2543	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2545		2957
2546	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		2960	Coro::async_pool {
2549	Event::sweep;	2961	write_runtime
2550	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2551		2964	}
		2965
2552	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2554		2968
		2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2970	$sig->send;
		2971	}
		2972	while (my $sig = shift @WAIT_FOR_TICK) {
		2973	$sig->send;
		2974	}
		2975
		2976	$NOW = Event::time;
		2977
2555	# if we are delayed by four ticks or more, skip them all	2978	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		2980
2558	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	2982	$TICK_WATCHER->start;
		2983
		2984	$LOAD = ($NOW - $tick_start) / $TICK;
		2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2986
		2987	_post_tick;
		2988
		2989
2560	},	2990	},
2561	);	2991	);
2562		2992
2563	{	2993	{
2564	BDB::max_poll_time $TICK * 0.1;	2994	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3019
2590	unless ($DB_ENV) {	3020	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3021	$DB_ENV = BDB::db_env_create;
2592		3022
2593	cf::sync_job {	3023	cf::sync_job {
		3024	eval {
2594	BDB::db_env_open	3025	BDB::db_env_open
2595	$DB_ENV,	3026	$DB_ENV,
2596	$BDB_ENV_DIR,	3027	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3030	0666;
2600		3031
2601	cf::cleanup "$!" if $!;	3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3033
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
2604	};	3039	};
2605	}	3040	}
2606	}	3041	}
2607		3042
2608	{	3043	{
…		…
2610		3045
2611	undef $Coro::AIO::WATCHER;	3046	undef $Coro::AIO::WATCHER;
2612	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2613	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2614	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2615	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2616	poll => 'r',	3052	poll => 'r',
2617	prio => 6,	3053	prio => 6,
2618	data => WF_AUTOCANCEL,
2619	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2620	);	3055	);
2621	}	3056	}
2622		3057
2623	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2624	reentrant => 0,	3059
2625	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2626	after => 1,	3061	my ($msg, @addr) = @_;
2627	interval => 10,	3062
2628	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2629	cb => Coro::unblock_sub {	3064
2630	write_runtime	3065	# limit the # of concurrent backtraces
2631	or warn "ERROR: unable to write runtime file: $!";	3066	if ($_log_backtrace < 2) {
		3067	++$_log_backtrace;
		3068	async {
		3069	my @bt = fork_call {
		3070	@addr = map { sprintf "%x", $_ } @addr;
		3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3073	or die "addr2line: $!";
		3074
		3075	my @funcs;
		3076	my @res = <$fh>;
		3077	chomp for @res;
		3078	while (@res) {
		3079	my ($func, $line) = splice @res, 0, 2, ();
		3080	push @funcs, "[$func] $line";
		3081	}
		3082
		3083	@funcs
		3084	};
		3085
		3086	LOG llevInfo, "[ABT] $msg\n";
		3087	LOG llevInfo, "[ABT] $_\n" for @bt;
		3088	--$_log_backtrace;
		3089	};
		3090	} else {
		3091	LOG llevInfo, "[ABT] $msg\n";
		3092	LOG llevInfo, "[ABT] [suppressed]\n";
2632	},	3093	}
2633	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2634		3098
2635	END { cf::emergency_save }	3099	END { cf::emergency_save }
2636		3100
2637	1	3101	1
2638		3102

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