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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.280 by root, Sat Jun 16 14:35:41 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) {
…		…
604	_attach $registry, $klass, @attach;	665	_attach $registry, $klass, @attach;
605	}	666	}
606		667
607	$obj->{$name} = \%arg;	668	$obj->{$name} = \%arg;
608	} else {	669	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	670	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	671	}
611		672
612	$obj->{_attachment}{$name} = undef;	673	$obj->{_attachment}{$name} = undef;
613	}	674	}
614		675
…		…
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)[0, 1] } split /\s+/, $1 }
		973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		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*/, $v->{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}: $@\n"
		998	: "$v->{base}: extension inactive.\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	warn $msg;
		1007	}
		1008
		1009	$done{$k} = delete $todo{$k};
		1010	push @EXTS, $v->{pkg};
		1011	$progress = 1;
933	1	1012	}
934	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
935	}	1018	};
936	}	1019	}
937		1020
938	#############################################################################	1021	#############################################################################
939		1022
940	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
956	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
957		1040
958	=cut	1041	=cut
959		1042
960	sub playerdir($) {	1043	sub playerdir($) {
961	cf::localdir	1044	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1046	}
967		1047
968	sub path($) {	1048	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1050
971	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
972	}	1052	}
973		1053
974	sub find_active($) {	1054	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1069	my $login = $_[0];
990		1070
991	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
992		1072
993	$cf::PLAYER{$_[0]} || do {	1073	$cf::PLAYER{$_[0]} || do {
		1074	# rename old playerfiles to new ones
		1075	#TODO: remove when no longer required
		1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1079	aio_unlink +(playerdir $login) . "/$login.pl";
		1080
994	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
995	or return;	1082	or return;
996	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
997	}	1084	}
998	}	1085	}
…		…
1035		1122
1036	=cut	1123	=cut
1037		1124
1038	sub quit_character {	1125	sub quit_character {
1039	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1040		1129
1041	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1131	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1132
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1142	$pl->destroy;
		1143
		1144	my $prefix = qr<^~\Q$name\E/>;
		1145
		1146	# nuke player maps
		1147	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1148
1054	IO::AIO::aio_rmtree $temp;	1149	IO::AIO::aio_rmtree $temp;
		1150	}
		1151
		1152	=item $pl->kick
		1153
		1154	Kicks a player out of the game. This destroys the connection.
		1155
		1156	=cut
		1157
		1158	sub kick {
		1159	my ($pl, $kicker) = @_;
		1160
		1161	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1162	$pl->killer ("kicked");
		1163	$pl->ns->destroy;
1055	}	1164	}
1056		1165
1057	=item cf::player::list_logins	1166	=item cf::player::list_logins
1058		1167
1059	Returns am arrayref of all valid playernames in the system, can take a	1168	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1061		1170
1062	=cut	1171	=cut
1063		1172
1064	sub list_logins {	1173	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1175	or return [];
1067		1176
1068	my @logins;	1177	my @logins;
1069		1178
1070	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1105	}	1214	}
1106		1215
1107	\@paths	1216	\@paths
1108	}	1217	}
1109		1218
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1111		1220
1112	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1113		1222
1114	=cut	1223	=cut
1115		1224
1116	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1117	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1118		1227
1119	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1120		1229
1121	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1122	}	1231	}
1123		1232
1124	package cf;	1233	=item $player->ext_event ($type, %msg)
		1234
		1235	Sends an ext event to the client.
		1236
		1237	=cut
		1238
		1239	sub ext_event($$%) {
		1240	my ($self, $type, %msg) = @_;
		1241
		1242	$self->ns->ext_event ($type, %msg);
		1243	}
		1244
		1245	=head3 cf::region
		1246
		1247	=over 4
		1248
		1249	=cut
		1250
		1251	package cf::region;
		1252
		1253	=item cf::region::find_by_path $path
		1254
		1255	Tries to decuce the probable region for a map knowing only its path.
		1256
		1257	=cut
		1258
		1259	sub find_by_path($) {
		1260	my ($path) = @_;
		1261
		1262	my ($match, $specificity);
		1263
		1264	for my $region (list) {
		1265	if ($region->match && $path =~ $region->match) {
		1266	($match, $specificity) = ($region, $region->specificity)
		1267	if $region->specificity > $specificity;
		1268	}
		1269	}
		1270
		1271	$match
		1272	}
1125		1273
1126	=back	1274	=back
1127
1128		1275
1129	=head3 cf::map	1276	=head3 cf::map
1130		1277
1131	=over 4	1278	=over 4
1132		1279
…		…
1187	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1188		1335
1189	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1190	local $self->{path};	1337	local $self->{path};
1191	local $self->{load_path};	1338	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1339
1195	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1196	}	1341	}
1197		1342
1198	sub normalise {	1343	sub normalise {
…		…
1270		1415
1271	# the original (read-only) location	1416	# the original (read-only) location
1272	sub load_path {	1417	sub load_path {
1273	my ($self) = @_;	1418	my ($self) = @_;
1274		1419
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1276	}	1421	}
1277		1422
1278	# the temporary/swap location	1423	# the temporary/swap location
1279	sub save_path {	1424	sub save_path {
1280	my ($self) = @_;	1425	my ($self) = @_;
1281		1426
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1284	}	1429	}
1285		1430
1286	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1287	sub uniq_path {	1432	sub uniq_path {
1288	my ($self) = @_;	1433	my ($self) = @_;
1289		1434
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1292	}	1437	}
1293		1438
1294	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1295	# all maps in C++...	1440	# all maps in C++...
1296	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1298		1443
1299	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1301	}	1446	}
1302		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
1303	sub unlink_save {	1456	sub unlink_save {
1304	my ($self) = @_;	1457	my ($self) = @_;
1305		1458
1306	utf8::encode (my $save = $self->save_path);	1459	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1461	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	}	1462	}
1315		1463
1316	sub load_header_from($) {	1464	sub load_header_from($) {
1317	my ($self, $path) = @_;	1465	my ($self, $path) = @_;
1318		1466
…		…
1368	$self->load_header_orig	1516	$self->load_header_orig
1369	or return;	1517	or return;
1370	$self->prepare_orig;	1518	$self->prepare_orig;
1371	}	1519	}
1372		1520
		1521	$self->{deny_reset} = 1
		1522	if $self->no_reset;
		1523
		1524	$self->default_region (cf::region::find_by_path $self->{path})
		1525	unless $self->default_region;
		1526
1373	1	1527	1
1374	}	1528	}
1375		1529
1376	sub find;	1530	sub find;
1377	sub find {	1531	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1390		1544
1391	$map->load_header	1545	$map->load_header
1392	or return;	1546	or return;
1393		1547
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1551	$map->reset;
1398	undef $guard;	1552	undef $guard;
1399	return find $path;	1553	return find $path;
…		…
1410	my ($self) = @_;	1564	my ($self) = @_;
1411		1565
1412	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1413		1567
1414	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1415	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1416		1572
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1574
1419	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1420		1576
1421	$self->alloc;	1577	$self->alloc;
1422		1578
1423	$self->pre_load;	1579	$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;	1580	Coro::cede;
1449	$self->set_darkness_map;	1581
		1582	$self->_load_objects ($self->{load_path}, 1)
		1583	or return;
		1584
		1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1586	if delete $self->{load_original};
		1587
		1588	if (my $uniq = $self->uniq_path) {
		1589	utf8::encode $uniq;
		1590	if (aio_open $uniq, O_RDONLY, 0) {
		1591	$self->clear_unique_items;
		1592	$self->_load_objects ($uniq, 0);
		1593	}
		1594	}
		1595
		1596	Coro::cede;
		1597	# now do the right thing for maps
		1598	$self->link_multipart_objects;
1450	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1600	unless $self->difficulty;
1452	Coro::cede;	1601	Coro::cede;
		1602
		1603	unless ($self->{deny_activate}) {
		1604	$self->decay_objects;
		1605	$self->fix_auto_apply;
		1606	$self->update_buttons;
		1607	Coro::cede;
		1608	$self->set_darkness_map;
		1609	Coro::cede;
1453	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1614	}
1455		1615
1456	$self->post_load;	1616	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1617	}
1460		1618
1461	sub customise_for {	1619	sub customise_for {
1462	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1463		1621
1464	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1466		1627
1467	$self	1628	$self
1468	}	1629	}
1469		1630
1470	# find and load all maps in the 3x3 area around a map	1631	# find and load all maps in the 3x3 area around a map
…		…
1581		1742
1582	sub reset_at {	1743	sub reset_at {
1583	my ($self) = @_;	1744	my ($self) = @_;
1584		1745
1585	# TODO: safety, remove and allow resettable per-player maps	1746	# 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};	1747	return 1e99 if $self->{deny_reset};
1588		1748
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1750	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		1751
…		…
1602	my ($self) = @_;	1762	my ($self) = @_;
1603		1763
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		1765
1606	return if $self->players;	1766	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		1767
1609	warn "resetting map ", $self->path;#d#	1768	warn "resetting map ", $self->path;
		1769
		1770	$self->in_memory (cf::MAP_SWAPPED);
		1771
		1772	# need to save uniques path
		1773	unless ($self->{deny_save}) {
		1774	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1775
		1776	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1777	if $uniq;
		1778	}
1610		1779
1611	delete $cf::MAP{$self->path};	1780	delete $cf::MAP{$self->path};
1612		1781
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	1782	$self->clear;
1615		1783
1616	$_->clear_links_to ($self) for values %cf::MAP;	1784	$_->clear_links_to ($self) for values %cf::MAP;
1617		1785
1618	$self->unlink_save;	1786	$self->unlink_save;
…		…
1637	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1638		1806
1639	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1640	}	1808	}
1641		1809
		1810	=item $maps = cf::map::tmp_maps
		1811
		1812	Returns an arrayref with all map paths of currently instantiated and saved
		1813	maps. May block.
		1814
		1815	=cut
		1816
		1817	sub tmp_maps() {
		1818	[
		1819	map {
		1820	utf8::decode $_;
		1821	/\.map$/
		1822	? normalise $_
		1823	: ()
		1824	} @{ aio_readdir $TMPDIR or [] }
		1825	]
		1826	}
		1827
		1828	=item $maps = cf::map::random_maps
		1829
		1830	Returns an arrayref with all map paths of currently instantiated and saved
		1831	random maps. May block.
		1832
		1833	=cut
		1834
		1835	sub random_maps() {
		1836	[
		1837	map {
		1838	utf8::decode $_;
		1839	/\.map$/
		1840	? normalise "?random/$_"
		1841	: ()
		1842	} @{ aio_readdir $RANDOMDIR or [] }
		1843	]
		1844	}
		1845
1642	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1643		1847
1644	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	1849	instantiated unique items. May block.
1646		1850
1647	=cut	1851	=cut
1648		1852
1649	sub unique_maps() {	1853	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1651	or return;	1855	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	1856	utf8::decode $_;
1657	next if /\.pst$/;	1857	/\.map$/
1658	next unless /^$PATH_SEP/o;	1858	? normalise $_
1659		1859	: ()
1660	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	1861	]
1662
1663	\@paths
1664	}	1862	}
1665		1863
1666	package cf;	1864	package cf;
1667		1865
1668	=back	1866	=back
…		…
1774	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1775		1973
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		1975
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1780		1978
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	1980	}
1783		1981
1784	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1786		1986
1787	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1788		1988
1789	unless ($map) {	1989	unless ($map) {
1790	# restore original map position	1990	# restore original map position
…		…
1808	$map->load;	2008	$map->load;
1809	$map->load_diag;	2009	$map->load_diag;
1810		2010
1811	return unless $self->contr->active;	2011	return unless $self->contr->active;
1812	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1814	}	2016	}
1815		2017
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)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1849		2019
		2020	Moves the player to the given map-path and coordinates by first freezing
		2021	her, loading and preparing them map, calling the provided $check callback
		2022	that has to return the map if sucecssful, and then unfreezes the player on
		2023	the new (success) or old (failed) map position.
		2024
1850	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1851		2028
1852	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2030	my ($self, $path, $x, $y, $check) = @_;
		2031
		2032	# do generation counting so two concurrent goto's will be executed in-order
		2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2034
1855	$self->enter_link;	2035	$self->enter_link;
1856		2036
1857	(async {	2037	(async {
1858	my $map = eval {	2038	my $map = eval {
1859	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2042	$map = $map->customise_for ($self);
		2043	$map = $check->($map) if $check && $map;
		2044	} else {
		2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2046	}
		2047
1861	$map	2048	$map
		2049	};
		2050
		2051	if ($@) {
		2052	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2053	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2054	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1866	})->prio (1);	2060	})->prio (1);
1867	}	2061	}
1868		2062
1869	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1870		2064
…		…
1909		2103
1910	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1911		2105
1912	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1915		2109
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2112	undef $fh;
1919	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1928		2122
1929	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1930		2124
1931	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2127	# the problem is that $exit might not survive long enough
		2128	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1934	}	2130	}
1935		2131
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1945	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1946		2142
1947	1;	2143	1;
1948	}) {	2144	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2146	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2149
1954	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2151	$self->leave_link;
1956	}	2152	}
1957	})->prio (1);	2153	})->prio (1);
…		…
1970		2166
1971	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1973		2169
1974	utf8::encode $text;	2170	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2172	}
1977		2173
		2174	=item $client->ext_event ($type, %msg)
		2175
		2176	Sends an exti event to the client.
		2177
		2178	=cut
		2179
		2180	sub cf::client::ext_event($$%) {
		2181	my ($self, $type, %msg) = @_;
		2182
		2183	$msg{msgtype} = "event_$type";
		2184	$self->send_packet ("ext " . cf::to_json \%msg);
		2185	}
1978		2186
1979	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1980		2188
1981	Queues a query to the client, calling the given callback with	2189	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>,	2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2079		2287
2080	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
2081		2289
2082	=pod	2290	=pod
2083		2291
2084	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
2085		2293
2086	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
2087	cf::object::player player	2295	cf::object::player player
2088	cf::player peaceful	2296	cf::player peaceful
2089	cf::map trigger	2297	cf::map trigger
…		…
2174	#############################################################################	2382	#############################################################################
2175		2383
2176	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2177		2385
2178	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2180	excludes objects.	2388	convert to/from binary).
2181		2389
2182	The parameter C<$family> should best start with the name of the extension	2390	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.	2391	using it, it should be unique.
2184		2392
2185	=over 4	2393	=over 4
2186		2394
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	2395	=item $value = cf::db_get $family => $key
2194		2396
2195	Returns a single value from the database	2397	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		2398
2202	=item cf::db_put $family => $key => $value	2399	=item cf::db_put $family => $key => $value
2203		2400
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you	2401	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		2402
2215	=cut	2403	=cut
2216		2404
2217	our $DB;	2405	our $DB;
2218		2406
2219	{	2407	sub db_init {
2220	my $path = cf::localdir . "/database.pst";	2408	unless ($DB) {
		2409	$DB = BDB::db_create $DB_ENV;
2221		2410
2222	sub db_load() {	2411	cf::sync_job {
2223	$DB = stat $path ? Storable::retrieve $path : { };	2412	eval {
2224	}	2413	$DB->set_flags (BDB::CHKSUM);
2225		2414
2226	my $pid;	2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2227		2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2228	sub db_save() {	2417	cf::cleanup "db_open(db): $!" if $!;
2229	waitpid $pid, 0 if $pid;	2418	};
2230	if (0 == ($pid = fork)) {	2419	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	}	2420	};
2236	}	2421	}
		2422	}
2237		2423
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	$idle->start;
2257	}
2258
2259	sub db_get($;$) {	2424	sub db_get($$) {
2260	@_ >= 2	2425	my $key = "$_[0]/$_[1]";
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264		2426
		2427	cf::sync_job {
		2428	BDB::db_get $DB, undef, $key, my $data;
		2429
		2430	$! ? ()
		2431	: $data
		2432	}
		2433	}
		2434
2265	sub db_put($$;$) {	2435	sub db_put($$$) {
2266	if (@_ >= 3) {	2436	BDB::dbreq_pri 4;
2267	$DB->{$_[0]}{$_[1]} = $_[2];	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2268	} else {	2438	}
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273		2439
2274	cf::global->attach (	2440	=item cf::cache $id => [$paths...], $processversion => $process
2275	prio => 10000,	2441
2276	on_cleanup => sub {	2442	Generic caching function that returns the value of the resource $id,
2277	db_sync;	2443	caching and regenerating as required.
		2444
		2445	This function can block.
		2446
		2447	=cut
		2448
		2449	sub cache {
		2450	my ($id, $src, $processversion, $process) = @_;
		2451
		2452	my $meta =
		2453	join "\x00",
		2454	$processversion,
		2455	map {
		2456	aio_stat $_
		2457	and Carp::croak "$_: $!";
		2458
		2459	($_, (stat _)[7,9])
		2460	} @$src;
		2461
		2462	my $dbmeta = db_get cache => "$id/meta";
		2463	if ($dbmeta ne $meta) {
		2464	# changed, we may need to process
		2465
		2466	my @data;
		2467	my $md5;
		2468
		2469	for (0 .. $#$src) {
		2470	0 <= aio_load $src->[$_], $data[$_]
		2471	or Carp::croak "$src->[$_]: $!";
2278	},	2472	}
2279	);	2473
		2474	# if processing is expensive, check
		2475	# checksum first
		2476	if (1) {
		2477	$md5 =
		2478	join "\x00",
		2479	$processversion,
		2480	map {
		2481	Coro::cede;
		2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2483	} 0.. $#$src;
		2484
		2485
		2486	my $dbmd5 = db_get cache => "$id/md5";
		2487	if ($dbmd5 eq $md5) {
		2488	db_put cache => "$id/meta", $meta;
		2489
		2490	return db_get cache => "$id/data";
		2491	}
		2492	}
		2493
		2494	my $t1 = Time::HiRes::time;
		2495	my $data = $process->(\@data);
		2496	my $t2 = Time::HiRes::time;
		2497
		2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2499
		2500	db_put cache => "$id/data", $data;
		2501	db_put cache => "$id/md5" , $md5;
		2502	db_put cache => "$id/meta", $meta;
		2503
		2504	return $data;
		2505	}
		2506
		2507	db_get cache => "$id/data"
		2508	}
		2509
		2510	=item fork_call { }, $args
		2511
		2512	Executes the given code block with the given arguments in a seperate
		2513	process, returning the results. Everything must be serialisable with
		2514	Coro::Storable. May, of course, block. Note that the executed sub may
		2515	never block itself or use any form of Event handling.
		2516
		2517	=cut
		2518
		2519	sub fork_call(&@) {
		2520	my ($cb, @args) = @_;
		2521
		2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2523	# or die "socketpair: $!";
		2524	pipe my $fh1, my $fh2
		2525	or die "pipe: $!";
		2526
		2527	if (my $pid = fork) {
		2528	close $fh2;
		2529
		2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2531	$res = Coro::Storable::thaw $res;
		2532
		2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2534
		2535	die $$res unless "ARRAY" eq ref $res;
		2536
		2537	return wantarray ? @$res : $res->[-1];
		2538	} else {
		2539	reset_signals;
		2540	local $SIG{__WARN__};
		2541	local $SIG{__DIE__};
		2542	eval {
		2543	close $fh1;
		2544
		2545	my @res = eval { $cb->(@args) };
		2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2547	};
		2548
		2549	warn $@ if $@;
		2550	_exit 0;
		2551	}
2280	}	2552	}
2281		2553
2282	#############################################################################	2554	#############################################################################
2283	# the server's init and main functions	2555	# the server's init and main functions
2284		2556
2285	sub load_resources {	2557	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2558	my ($path) = @_;
		2559
		2560	warn "loading facedata from $path\n";
		2561
		2562	my $facedata;
		2563	0 < aio_load $path, $facedata
		2564	or die "$path: $!";
		2565
		2566	$facedata = Coro::Storable::thaw $facedata;
		2567
		2568	$facedata->{version} == 2
		2569	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2570
		2571	{
		2572	my $faces = $facedata->{faceinfo};
		2573
		2574	while (my ($face, $info) = each %$faces) {
		2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2579	Coro::cede;
		2580	}
		2581
		2582	while (my ($face, $info) = each %$faces) {
		2583	next unless $info->{smooth};
		2584	my $idx = cf::face::find $face
		2585	or next;
		2586	if (my $smooth = cf::face::find $info->{smooth}) {
		2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2588	} else {
		2589	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2590	}
		2591	Coro::cede;
		2592	}
		2593	}
		2594
		2595	{
		2596	my $anims = $facedata->{animinfo};
		2597
		2598	while (my ($anim, $info) = each %$anims) {
		2599	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2600	Coro::cede;
		2601	}
		2602
		2603	cf::anim::invalidate_all; # d'oh
		2604	}
		2605
		2606	1
		2607	}
		2608
		2609	sub reload_regions {
		2610	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	2611	or die "unable to load regions file\n";
		2612	}
		2613
		2614	sub reload_facedata {
		2615	load_facedata "$DATADIR/facedata"
		2616	or die "unable to load facedata\n";
		2617	}
		2618
		2619	sub reload_archetypes {
		2620	load_resource_file "$DATADIR/archetypes"
		2621	or die "unable to load archetypes\n";
		2622	}
		2623
		2624	sub reload_treasures {
		2625	load_resource_file "$DATADIR/treasures"
		2626	or die "unable to load treasurelists\n";
		2627	}
		2628
		2629	sub reload_resources {
		2630	warn "reloading resource files...\n";
		2631
		2632	reload_regions;
		2633	reload_facedata;
		2634	#reload_archetypes;#d#
		2635	reload_archetypes;
		2636	reload_treasures;
		2637
		2638	warn "finished reloading resource files\n";
		2639	}
		2640
		2641	sub init {
		2642	reload_resources;
2288	}	2643	}
2289		2644
2290	sub cfg_load {	2645	sub cfg_load {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	2647	or return;
2293		2648
2294	local $/;	2649	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2296		2651
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	2660	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	2661	};
2307	warn $@ if $@;	2662	warn $@ if $@;
2308	}	2663	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	2664	}
2314		2665
2315	sub main {	2666	sub main {
2316	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
…		…
2320	Event::one_event;	2671	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	2672	})->prio (Coro::PRIO_MAX);
2322	};	2673	};
2323		2674
2324	cfg_load;	2675	cfg_load;
2325	db_load;	2676	db_init;
2326	load_extensions;	2677	load_extensions;
2327		2678
2328	$TICK_WATCHER->start;	2679	$TICK_WATCHER->start;
2329	Event::loop;	2680	Event::loop;
2330	}	2681	}
…		…
2369	my $map = $cf::MAP{$path} or next;	2720	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	2721	$map->valid or next;
2371	$map->save;	2722	$map->save;
2372	}	2723	}
2373	warn "end emergency map save\n";	2724	warn "end emergency map save\n";
		2725
		2726	warn "begin emergency database checkpoint\n";
		2727	BDB::db_env_txn_checkpoint $DB_ENV;
		2728	warn "end emergency database checkpoint\n";
2374	};	2729	};
2375		2730
2376	warn "leave emergency perl save\n";	2731	warn "leave emergency perl save\n";
2377	}	2732	}
2378		2733
		2734	sub post_cleanup {
		2735	my ($make_core) = @_;
		2736
		2737	warn Carp::longmess "post_cleanup backtrace"
		2738	if $make_core;
		2739	}
		2740
2379	sub reload() {	2741	sub do_reload_perl() {
2380	# can/must only be called in main	2742	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2383	return;	2745	return;
2384	}	2746	}
2385		2747
2386	warn "reloading...";	2748	warn "reloading...";
2387		2749
2388	warn "cancelling server ticker";	2750	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		2751
		2752	cf::sync_job {
		2753	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	2754	cf::emergency_save;
		2755	cf::write_runtime; # external watchdog should not bark
2392		2756
2393	eval {	2757	warn "syncing database to disk";
		2758	BDB::db_env_txn_checkpoint $DB_ENV;
		2759
2394	# if anything goes wrong in here, we should simply crash as we already saved	2760	# 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		2761
2399	warn "cancelling all WF_AUTOCANCEL watchers";	2762	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	2763	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	2765	}
2403		2766
2404	warn "flushing outstanding aio requests";	2767	warn "flushing outstanding aio requests";
2405	for (;;) {	2768	for (;;) {
		2769	BDB::flush;
2406	IO::AIO::flush;	2770	IO::AIO::flush;
2407	Coro::cede;	2771	Coro::cede;
2408	last unless IO::AIO::nreqs;	2772	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	2773	warn "iterate...";
2410	}	2774	}
		2775
		2776	++$RELOAD;
2411		2777
2412	warn "cancelling all extension coros";	2778	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	2780	%EXT_CORO = ();
2415		2781
…		…
2455	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		2823
2458	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2460		2827
2461	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2462	# and global variables created in xs	2829	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2464		2831
…		…
2468	require cf;	2835	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		2837
2471	warn "loading config and database again";	2838	warn "loading config and database again";
2472	cf::cfg_load;	2839	cf::cfg_load;
2473	cf::db_load;
2474		2840
2475	warn "loading extensions";	2841	warn "loading extensions";
2476	cf::load_extensions;	2842	cf::load_extensions;
2477		2843
2478	warn "reattaching attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2479	_global_reattach;	2845	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
		2848	warn "reattaching attachments to players";
		2849	reattach $_ for values %PLAYER;
2482		2850
2483	warn "loading reloadable resources";	2851	warn "leaving sync_job";
2484	load_resources;
2485		2852
2486	warn "restarting server ticker";	2853	1
2487		2854	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	2855	warn $@;
2493	warn "error while reloading, exiting.";	2856	warn "error while reloading, exiting.";
2494	exit 1;	2857	exit 1;
2495	}	2858	};
2496		2859
2497	warn "reloaded";	2860	warn "reloaded";
2498	};	2861	};
2499		2862
2500	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2501		2864
		2865	sub reload_perl() {
		2866	# doing reload synchronously and two reloads happen back-to-back,
		2867	# coro crashes during coro_state_free->destroy here.
		2868
		2869	$RELOAD_WATCHER ||= Event->timer (
		2870	reentrant => 0,
		2871	after => 0,
		2872	data => WF_AUTOCANCEL,
		2873	cb => sub {
		2874	do_reload_perl;
		2875	undef $RELOAD_WATCHER;
		2876	},
		2877	);
		2878	}
		2879
2502	register_command "reload" => sub {	2880	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2504		2882
2505	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2507		2885	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	}	2886	}
2521	};	2887	};
2522		2888
2523	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2524		2890
2525	my $bug_warning = 0;	2891	my $bug_warning = 0;
2526		2892
		2893	our @WAIT_FOR_TICK;
		2894	our @WAIT_FOR_TICK_BEGIN;
		2895
		2896	sub wait_for_tick {
		2897	return unless $TICK_WATCHER->is_active;
		2898	return if $Coro::current == $Coro::main;
		2899
		2900	my $signal = new Coro::Signal;
		2901	push @WAIT_FOR_TICK, $signal;
		2902	$signal->wait;
		2903	}
		2904
		2905	sub wait_for_tick_begin {
		2906	return unless $TICK_WATCHER->is_active;
		2907	return if $Coro::current == $Coro::main;
		2908
		2909	my $signal = new Coro::Signal;
		2910	push @WAIT_FOR_TICK_BEGIN, $signal;
		2911	$signal->wait;
		2912	}
		2913
		2914	my $min = 1e6;#d#
		2915	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	2917	reentrant => 0,
2529	parked => 1,	2918	parked => 1,
2530	prio => 0,	2919	prio => 0,
2531	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2537	return;	2926	return;
2538	}	2927	}
2539		2928
2540	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2541		2930
2542	cf::server_tick; # one server iteration	2931	cf::server_tick; # one server iteration
		2932
		2933	0 && sync_job {#d#
		2934	for(1..10) {
		2935	my $t = Event::time;
		2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2937	or die;
		2938
		2939	$map->width (50);
		2940	$map->height (50);
		2941	$map->alloc;
		2942	$map->_load_objects ("/tmp/x.map", 1);
		2943	my $t = Event::time - $t;
		2944
		2945	#next unless $t < 0.0013;#d#
		2946	if ($t < $min) {
		2947	$min = $t;
		2948	}
		2949	$avg = $avg * 0.99 + $t * 0.01;
		2950	}
		2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2952	exit 0;
		2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2954	};
		2955
2543	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2545		2958
2546	$WAIT_FOR_TICK->broadcast;	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		2961	Coro::async_pool {
2549	Event::sweep;	2962	write_runtime
2550	Coro::cede_notself;	2963	or warn "ERROR: unable to write runtime file: $!";
		2964	};
2551		2965	}
		2966
2552	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2554		2969
		2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2971	$sig->send;
		2972	}
		2973	while (my $sig = shift @WAIT_FOR_TICK) {
		2974	$sig->send;
		2975	}
		2976
		2977	$NOW = Event::time;
		2978
2555	# if we are delayed by four ticks or more, skip them all	2979	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		2981
2558	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	2983	$TICK_WATCHER->start;
		2984
		2985	$LOAD = ($NOW - $tick_start) / $TICK;
		2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2987
		2988	_post_tick;
		2989
		2990
2560	},	2991	},
2561	);	2992	);
2562		2993
2563	{	2994	{
2564	BDB::max_poll_time $TICK * 0.1;	2995	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3020
2590	unless ($DB_ENV) {	3021	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3022	$DB_ENV = BDB::db_env_create;
2592		3023
2593	cf::sync_job {	3024	cf::sync_job {
		3025	eval {
2594	BDB::db_env_open	3026	BDB::db_env_open
2595	$DB_ENV,	3027	$DB_ENV,
2596	$BDB_ENV_DIR,	3028	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3031	0666;
2600		3032
2601	cf::cleanup "$!" if $!;	3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3034
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3036	$DB_ENV->set_lk_detect;
		3037	};
		3038
		3039	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3040	};
2606	}	3041	}
2607	}	3042	}
2608		3043
2609	{	3044	{
…		…
2611		3046
2612	undef $Coro::AIO::WATCHER;	3047	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3048	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3049	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3050	reentrant => 0,
		3051	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3052	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3053	poll => 'r',
2618	prio => 6,	3054	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2621	);	3056	);
2622	}	3057	}
2623		3058
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3059	my $_log_backtrace;
2625	reentrant => 0,	3060
2626	data => WF_AUTOCANCEL,	3061	sub _log_backtrace {
2627	after => 1,	3062	my ($msg, @addr) = @_;
2628	interval => 10,	3063
2629	prio => 6, # keep it lowest so it acts like a watchdog	3064	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3065
2631	write_runtime	3066	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3067	if ($_log_backtrace < 2) {
		3068	++$_log_backtrace;
		3069	async {
		3070	my @bt = fork_call {
		3071	@addr = map { sprintf "%x", $_ } @addr;
		3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3074	or die "addr2line: $!";
		3075
		3076	my @funcs;
		3077	my @res = <$fh>;
		3078	chomp for @res;
		3079	while (@res) {
		3080	my ($func, $line) = splice @res, 0, 2, ();
		3081	push @funcs, "[$func] $line";
		3082	}
		3083
		3084	@funcs
		3085	};
		3086
		3087	LOG llevInfo, "[ABT] $msg\n";
		3088	LOG llevInfo, "[ABT] $_\n" for @bt;
		3089	--$_log_backtrace;
		3090	};
		3091	} else {
		3092	LOG llevInfo, "[ABT] $msg\n";
		3093	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3094	}
2634	);	3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
2635		3099
2636	END { cf::emergency_save }	3100	END { cf::emergency_save }
2637		3101
2638	1	3102	1
2639		3103

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