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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.208 by root, Mon Feb 12 00:27:20 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;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	53	our %EXTCMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
		57	our $RELOAD; # number of reloads so far
48	our @EVENT;	58	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		59
51	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	73	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	76	our $NEXT_TICK;
56	our $NOW;	77	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		79
59	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	86	our $RUNTIME;
66		87
67	our %PLAYER; # all users	88	our %PLAYER; # all users
68	our %MAP; # all maps	89	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		91
76	# used to convert map paths into valid unix filenames by replacing / by ∕	92	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
		98
79	binmode STDOUT;	99	binmode STDOUT;
80	binmode STDERR;	100	binmode STDERR;
81		101
82	# read virtual server time, if available	102	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
87	}	107	}
88		108
89	mkdir cf::localdir;	109	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		111
96	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
97		113
98	sub cf::map::normalise;	114	sub cf::map::normalise;
99		115
…		…
110	=item $cf::RUNTIME	126	=item $cf::RUNTIME
111		127
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	129	every server tick.
114		130
115	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		134
117	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
119		139
120	=item $cf::NOW	140	=item $cf::NOW
121		141
122	The time of the last (current) server tick.	142	The time of the last (current) server tick.
123		143
124	=item $cf::TICK	144	=item $cf::TICK
125		145
126	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
127		157
128	=item %cf::CFG	158	=item %cf::CFG
129		159
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	161	from wherever your confdir points to.
132		162
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		164
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.
139		168
140	=back	169	=back
141		170
142	=cut	171	=cut
143		172
144	BEGIN {	173	BEGIN {
145	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	175	my $msg = join "", @_;
147	utf8::encode $msg;
148		176
149	$msg .= "\n"	177	$msg .= "\n"
150	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
151		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
152	LOG llevError, $msg;	183	LOG llevError, $msg;
153	};	184	};
154	}	185	}
155		186
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		194
163	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	196	# within the Safe compartment.
165	for my $pkg (qw(	197	for my $pkg (qw(
166	cf::global cf::attachable	198	cf::global cf::attachable
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	235	$d
204	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
205	}	237	}
206		238
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
208		240
209	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
210		242
211	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
212		244
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
221		246
222	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
223
224	=cut
225
226	sub to_json($) {
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
228	JSON::Syck::Dump $_[0]
229	}
230		248
231	=item cf::lock_wait $string	249	=item cf::lock_wait $string
232		250
233	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
234		252
…		…
240	returned.	258	returned.
241		259
242	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
244		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
245	=cut	267	=cut
246		268
247	our %LOCK;	269	our %LOCK;
248		270
249	sub lock_wait($) {	271	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
270	}	292	}
271	}	293	}
272		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
273	sub freeze_mainloop {	301	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
275		303
276	my $guard = Coro::guard {	304	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	306	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
282	$guard	308	$guard
283	}	309	}
284		310
285	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
307		333
308	sub sync_job(&) {	334	sub sync_job(&) {
309	my ($job) = @_;	335	my ($job) = @_;
310		336
311	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
312	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
314		342
315	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
327		355
328	while ($busy) {	356	while ($busy) {
329	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
330	}	358	}
331		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
332	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
333	} else {	368	} else {
334	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
335		370
336	$job->()	371	$job->()
…		…
356		391
357	$coro	392	$coro
358	}	393	}
359		394
360	sub write_runtime {	395	sub write_runtime {
361	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";
362		404
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364	or return;	406	or return;
365		407
366	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
372		414
373	# always fsync - this file is important	415	# always fsync - this file is important
374	aio_fsync $fh	416	aio_fsync $fh
375	and return;	417	and return;
376		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
377	close $fh	422	close $fh
378	or return;	423	or return;
379		424
380	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
381	and return;	426	and return;
382		427
		428	warn "runtime file written.\n";
		429
383	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	442	}
385		443
386	=back	444	=back
387		445
388	=cut	446	=cut
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
569		627
570	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		632
575	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	634	my $pkg = shift @arg;
577		635
578	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
619	if (ref $_[0]) {	677	if (ref $_[0]) {
620	_object_attach @_;	678	_object_attach @_;
621	} else {	679	} else {
622	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
623	}	681	}
		682	_recalc_want;
624	};	683	};
625		684
626	# all those should be optimised	685	# all those should be optimised
627	sub cf::attachable::detach {	686	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
632	reattach ($obj);	691	reattach ($obj);
633	} else {	692	} else {
634	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
635	}	694	}
		695	_recalc_want;
636	};	696	};
637		697
638	sub cf::attachable::attached {	698	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
640		700
…		…
787	}	847	}
788	} else {	848	} else {
789	aio_unlink $filename;	849	aio_unlink $filename;
790	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
791	}	851	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	852	}
799	}	853	}
800		854
801	sub object_freezer_as_string {	855	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
808		862
809	sub object_thawer_load {	863	sub object_thawer_load {
810	my ($filename) = @_;	864	my ($filename) = @_;
811		865
812	my ($data, $av);	866	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		867
817	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
818	or return;	869	or return;
819		870
820	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
822	or return;	873	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
824	}	875	}
825		876
826	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	879	return ($data, $av);
829	}	880	}
830		881
831	#############################################################################	882	#############################################################################
832	# command handling &c	883	# command handling &c
…		…
892		943
893	cf::override;	944	cf::override;
894	},	945	},
895	);	946	);
896		947
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
932	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	953	next unless -r $path;
934	eval {	954
935	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, $v->{pkg};
936	1	1011	}
937	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
938	}	1017	};
939	}	1018	}
940		1019
941	#############################################################################	1020	#############################################################################
942		1021
943	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
959	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
960		1039
961	=cut	1040	=cut
962		1041
963	sub playerdir($) {	1042	sub playerdir($) {
964	cf::localdir	1043	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1045	}
970		1046
971	sub path($) {	1047	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1049
974	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
975	}	1051	}
976		1052
977	sub find_active($) {	1053	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1068	my $login = $_[0];
993		1069
994	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
995		1071
996	$cf::PLAYER{$_[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
997	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
998	or return;	1081	or return;
999	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
1000	}	1083	}
1001	}	1084	}
…		…
1038		1121
1039	=cut	1122	=cut
1040		1123
1041	sub quit_character {	1124	sub quit_character {
1042	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1043		1128
1044	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1045	$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
1046		1131
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1163	}
1059		1164
1060	=item cf::player::list_logins	1165	=item cf::player::list_logins
1061		1166
1062	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
1063	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1064		1169
1065	=cut	1170	=cut
1066		1171
1067	sub list_logins {	1172	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1174	or return [];
1070		1175
1071	my @logins;	1176	my @logins;
1072		1177
1073	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1108	}	1213	}
1109		1214
1110	\@paths	1215	\@paths
1111	}	1216	}
1112		1217
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1114		1219
1115	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1116		1221
1117	=cut	1222	=cut
1118		1223
1119	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1120	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1121		1226
1122	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1123		1228
1124	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1125	}	1230	}
1126		1231
1127	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	}
1128		1272
1129	=back	1273	=back
1130
1131		1274
1132	=head3 cf::map	1275	=head3 cf::map
1133		1276
1134	=over 4	1277	=over 4
1135		1278
…		…
1190	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1191		1334
1192	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1193	local $self->{path};	1336	local $self->{path};
1194	local $self->{load_path};	1337	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1338
1198	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1199	}	1340	}
1200		1341
1201	sub normalise {	1342	sub normalise {
…		…
1273		1414
1274	# the original (read-only) location	1415	# the original (read-only) location
1275	sub load_path {	1416	sub load_path {
1276	my ($self) = @_;	1417	my ($self) = @_;
1277		1418
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1279	}	1420	}
1280		1421
1281	# the temporary/swap location	1422	# the temporary/swap location
1282	sub save_path {	1423	sub save_path {
1283	my ($self) = @_;	1424	my ($self) = @_;
1284		1425
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1287	}	1428	}
1288		1429
1289	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1290	sub uniq_path {	1431	sub uniq_path {
1291	my ($self) = @_;	1432	my ($self) = @_;
1292		1433
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1295	}	1436	}
1296		1437
1297	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1298	# all maps in C++...	1439	# all maps in C++...
1299	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1301		1442
1302	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1304	}	1445	}
1305		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1306	sub unlink_save {	1455	sub unlink_save {
1307	my ($self) = @_;	1456	my ($self) = @_;
1308		1457
1309	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1461	}
1318		1462
1319	sub load_header_from($) {	1463	sub load_header_from($) {
1320	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1321		1465
…		…
1371	$self->load_header_orig	1515	$self->load_header_orig
1372	or return;	1516	or return;
1373	$self->prepare_orig;	1517	$self->prepare_orig;
1374	}	1518	}
1375		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
1376	1	1526	1
1377	}	1527	}
1378		1528
1379	sub find;	1529	sub find;
1380	sub find {	1530	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1393		1543
1394	$map->load_header	1544	$map->load_header
1395	or return;	1545	or return;
1396		1546
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1550	$map->reset;
1401	undef $guard;	1551	undef $guard;
1402	return find $path;	1552	return find $path;
…		…
1413	my ($self) = @_;	1563	my ($self) = @_;
1414		1564
1415	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1416		1566
1417	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1419		1571
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1573
1422	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1423		1575
1424	$self->alloc;	1576	$self->alloc;
1425		1577
1426	$self->pre_load;	1578	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1579	Coro::cede;
1452	$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;
1453	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1599	unless $self->difficulty;
1455	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;
1456	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1613	}
1458		1614
1459	$self->post_load;	1615	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1616	}
1463		1617
1464	sub customise_for {	1618	sub customise_for {
1465	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1466		1620
1467	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1469		1626
1470	$self	1627	$self
1471	}	1628	}
1472		1629
1473	# 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
…		…
1584		1741
1585	sub reset_at {	1742	sub reset_at {
1586	my ($self) = @_;	1743	my ($self) = @_;
1587		1744
1588	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1591		1747
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	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;
1594		1750
…		…
1605	my ($self) = @_;	1761	my ($self) = @_;
1606		1762
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		1764
1609	return if $self->players;	1765	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		1766
1612	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	}
1613		1778
1614	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1615		1780
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	1781	$self->clear;
1618		1782
1619	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1620		1784
1621	$self->unlink_save;	1785	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1641		1805
1642	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1643	}	1807	}
1644		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
1645	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1646		1846
1647	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	1848	instantiated unique items. May block.
1649		1849
1650	=cut	1850	=cut
1651		1851
1652	sub unique_maps() {	1852	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1654	or return;	1854	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	1855	utf8::decode $_;
1660	next if /\.pst$/;	1856	/\.map$/
1661	next unless /^$PATH_SEP/o;	1857	? normalise $_
1662		1858	: ()
1663	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	1860	]
1665
1666	\@paths
1667	}	1861	}
1668		1862
1669	package cf;	1863	package cf;
1670		1864
1671	=back	1865	=back
…		…
1777	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1778		1972
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		1974
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1783		1977
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	1979	}
1786		1980
1787	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1789		1985
1790	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1791		1987
1792	unless ($map) {	1988	unless ($map) {
1793	# restore original map position	1989	# restore original map position
…		…
1811	$map->load;	2007	$map->load;
1812	$map->load_diag;	2008	$map->load_diag;
1813		2009
1814	return unless $self->contr->active;	2010	return unless $self->contr->active;
1815	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1817	}	2015	}
1818		2016
1819	cf::player->attach (
1820	on_logout => sub {
1821	my ($pl) = @_;
1822
1823	# abort map switching before logout
1824	if ($pl->ob->{_link_pos}) {
1825	cf::sync_job {
1826	$pl->ob->leave_link
1827	};
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1852		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
1853	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1854		2027
1855	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1856	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;
1857		2033
1858	$self->enter_link;	2034	$self->enter_link;
1859		2035
1860	(async {	2036	(async {
1861	my $map = eval {	2037	my $map = eval {
1862	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1863	$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
1864	$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 $@;
1865	} or	2053	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1869	})->prio (1);	2059	})->prio (1);
1870	}	2060	}
1871		2061
1872	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1873		2063
…		…
1912		2102
1913	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1914		2104
1915	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1918		2108
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2111	undef $fh;
1922	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1931		2121
1932	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1933		2123
1934	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1935	#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
1936	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1937	}	2129	}
1938		2130
1939	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;
1940	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1948	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1949		2141
1950	1;	2142	1;
1951	}) {	2143	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "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. "
1954	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2148
1957	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2150	$self->leave_link;
1959	}	2151	}
1960	})->prio (1);	2152	})->prio (1);
…		…
1973		2165
1974	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1976		2168
1977	utf8::encode $text;	2169	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2171	}
1980		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	}
1981		2185
1982	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1983		2187
1984	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2082		2286
2083	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2084		2288
2085	=pod	2289	=pod
2086		2290
2087	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2088		2292
2089	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2090	cf::object::player player	2294	cf::object::player player
2091	cf::player peaceful	2295	cf::player peaceful
2092	cf::map trigger	2296	cf::map trigger
…		…
2177	#############################################################################	2381	#############################################################################
2178		2382
2179	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2180		2384
2181	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2182	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2183	excludes objects.	2387	convert to/from binary).
2184		2388
2185	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
2186	using it, it should be unique.	2390	using it, it should be unique.
2187		2391
2188	=over 4	2392	=over 4
…		…
2197		2401
2198	=cut	2402	=cut
2199		2403
2200	our $DB;	2404	our $DB;
2201		2405
2202	sub db_load() {	2406	sub db_init {
2203	unless ($DB) {	2407	unless ($DB) {
2204	$DB = BDB::db_create $DB_ENV;	2408	$DB = BDB::db_create $DB_ENV;
2205		2409
2206	cf::sync_job {	2410	cf::sync_job {
2207	eval {	2411	eval {
…		…
2211	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2212	cf::cleanup "db_open(db): $!" if $!;	2416	cf::cleanup "db_open(db): $!" if $!;
2213	};	2417	};
2214	cf::cleanup "db_open(db): $@" if $@;	2418	cf::cleanup "db_open(db): $@" if $@;
2215	};	2419	};
2216
2217	my $path = cf::localdir . "/database.pst";
2218	if (stat $path) {
2219	cf::sync_job {
2220	my $pst = Storable::retrieve $path;
2221
2222	cf::db_put (board => data => $pst->{board});
2223	cf::db_put (guildrules => data => $pst->{guildrules});
2224	cf::db_put (rent => balance => $pst->{rent}{balance});
2225	BDB::db_env_txn_checkpoint $DB_ENV;
2226
2227	unlink $path;
2228	};
2229	}
2230	}	2420	}
2231	}	2421	}
2232		2422
2233	sub db_get($$) {	2423	sub db_get($$) {
2234	my $key = "$_[0]/$_[1]";	2424	my $key = "$_[0]/$_[1]";
2235		2425
2236	cf::sync_job {	2426	cf::sync_job {
2237	BDB::db_get $DB, undef, $key, my $data;	2427	BDB::db_get $DB, undef, $key, my $data;
2238		2428
2239	$! ? ()	2429	$! ? ()
2240	: Compress::LZF::sthaw $data	2430	: $data
2241	}	2431	}
2242	}	2432	}
2243		2433
2244	sub db_put($$$) {	2434	sub db_put($$$) {
2245	BDB::dbreq_pri 4;	2435	BDB::dbreq_pri 4;
2246	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2437	}
		2438
		2439	=item cf::cache $id => [$paths...], $processversion => $process
		2440
		2441	Generic caching function that returns the value of the resource $id,
		2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($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 "$src->[$_]: $!";
		2471	}
		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	}
2247	}	2551	}
2248		2552
2249	#############################################################################	2553	#############################################################################
2250	# the server's init and main functions	2554	# the server's init and main functions
2251		2555
2252	sub load_resources {	2556	sub load_facedata($) {
2253	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"
2254	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;
2255	}	2642	}
2256		2643
2257	sub cfg_load {	2644	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2646	or return;
2260		2647
2261	local $/;	2648	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2263		2650
…		…
2271	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272	and die "WARNING: m(un)lockall failed: $!\n";	2659	and die "WARNING: m(un)lockall failed: $!\n";
2273	};	2660	};
2274	warn $@ if $@;	2661	warn $@ if $@;
2275	}	2662	}
2276	}
2277
2278	sub init {
2279	load_resources;
2280	}	2663	}
2281		2664
2282	sub main {	2665	sub main {
2283	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2284	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
…		…
2287	Event::one_event;	2670	Event::one_event;
2288	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2289	};	2672	};
2290		2673
2291	cfg_load;	2674	cfg_load;
2292	db_load;	2675	db_init;
2293	load_extensions;	2676	load_extensions;
2294		2677
2295	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2296	Event::loop;	2679	Event::loop;
2297	}	2680	}
…		…
2345	};	2728	};
2346		2729
2347	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2348	}	2731	}
2349		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2350	sub reload() {	2740	sub do_reload_perl() {
2351	# can/must only be called in main	2741	# can/must only be called in main
2352	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2353	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2354	return;	2744	return;
2355	}	2745	}
2356		2746
2357	warn "reloading...";	2747	warn "reloading...";
2358		2748
2359	warn "cancelling server ticker";	2749	warn "entering sync_job";
2360	$TICK_WATCHER->cancel;
2361		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2362	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2363		2755
2364	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2365	# 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
2366		2760
2367	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2368	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2369	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2370	}	2764	}
2371
2372	warn "syncing database to disk";
2373	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2374		2765
2375	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2376	for (;;) {	2767	for (;;) {
2377	BDB::flush;	2768	BDB::flush;
2378	IO::AIO::flush;	2769	IO::AIO::flush;
2379	Coro::cede;	2770	Coro::cede;
2380	last unless IO::AIO::nreqs || BDB::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2381	warn "iterate...";	2772	warn "iterate...";
2382	}	2773	}
2383		2774
		2775	++$RELOAD;
		2776
2384	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2385	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2386	%EXT_CORO = ();	2779	%EXT_CORO = ();
2387		2780
2388	warn "removing commands";	2781	warn "removing commands";
…		…
2427	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2428	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);
2429		2822
2430	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2431	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2432		2826
2433	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2434	# and global variables created in xs	2828	# and global variables created in xs
2435	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2436		2830
…		…
2440	require cf;	2834	require cf;
2441	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2442		2836
2443	warn "loading config and database again";	2837	warn "loading config and database again";
2444	cf::cfg_load;	2838	cf::cfg_load;
2445	cf::db_load;
2446		2839
2447	warn "loading extensions";	2840	warn "loading extensions";
2448	cf::load_extensions;	2841	cf::load_extensions;
2449		2842
2450	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2451	_global_reattach;	2844	_global_reattach; # objects, sockets
2452	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2453	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2454		2849
2455	warn "loading reloadable resources";	2850	warn "leaving sync_job";
2456	load_resources;
2457		2851
2458	warn "restarting server ticker";	2852	1
2459		2853	} or do {
2460	$TICK_WATCHER->start;
2461	};
2462
2463	if ($@) {
2464	warn $@;	2854	warn $@;
2465	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2466	exit 1;	2856	exit 1;
2467	}	2857	};
2468		2858
2469	warn "reloaded";	2859	warn "reloaded";
2470	};	2860	};
2471		2861
2472	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2473		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
2474	register_command "reload" => sub {	2879	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2476		2881
2477	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2479		2884	async { reload_perl };
2480	# doing reload synchronously and two reloads happen back-to-back,
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);
2492	}	2885	}
2493	};	2886	};
2494		2887
2495	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2496		2889
2497	my $bug_warning = 0;	2890	my $bug_warning = 0;
2498		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;
2499	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2500	reentrant => 0,	2916	reentrant => 0,
2501	parked => 1,	2917	parked => 1,
2502	prio => 0,	2918	prio => 0,
2503	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2507	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"
2508	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2509	return;	2925	return;
2510	}	2926	}
2511		2927
2512	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2513		2929
2514	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
2515	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2517		2957
2518	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2520		2960	Coro::async_pool {
2521	Event::sweep;	2961	write_runtime
2522	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2523		2964	}
		2965
2524	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2525	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2526		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
2527	# 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
2528	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2529		2980
2530	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2531	$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
2532	},	2990	},
2533	);	2991	);
2534		2992
2535	{	2993	{
2536	BDB::max_poll_time $TICK * 0.1;	2994	BDB::max_poll_time $TICK * 0.1;
…		…
2564		3022
2565	cf::sync_job {	3023	cf::sync_job {
2566	eval {	3024	eval {
2567	BDB::db_env_open	3025	BDB::db_env_open
2568	$DB_ENV,	3026	$DB_ENV,
2569	$BDB_ENV_DIR,	3027	$BDBDIR,
2570	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
2571	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2572	0666;	3030	0666;
2573		3031
2574	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2575		3033
2576	$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);
2577	$DB_ENV->set_lk_detect;	3035	$DB_ENV->set_lk_detect;
2578	};	3036	};
2579		3037
…		…
2587		3045
2588	undef $Coro::AIO::WATCHER;	3046	undef $Coro::AIO::WATCHER;
2589	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2590	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2591	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2592	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2593	poll => 'r',	3052	poll => 'r',
2594	prio => 6,	3053	prio => 6,
2595	data => WF_AUTOCANCEL,
2596	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2597	);	3055	);
2598	}	3056	}
2599		3057
2600	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2601	reentrant => 0,	3059
2602	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2603	after => 1,	3061	my ($msg, @addr) = @_;
2604	interval => 10,	3062
2605	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2606	cb => Coro::unblock_sub {	3064
2607	write_runtime	3065	# limit the # of concurrent backtraces
2608	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";
2609	},	3093	}
2610	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2611		3098
2612	END { cf::emergency_save }	3099	END { cf::emergency_save }
2613		3100
2614	1	3101	1
2615		3102

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