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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 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
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
43		56
		57	our $RELOAD; # number of reloads so far
44	our @EVENT;	58	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		59
47	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(!)
48	our $TICK_WATCHER;	73	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	76	our $NEXT_TICK;
52	our $NOW;	77	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
		82
55	our %CFG;	83	our %CFG;
56		84
57	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	86	our $RUNTIME;
59		87
60	our %PLAYER; # all users	88	our %PLAYER; # all users
61	our %MAP; # all maps	89	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		91
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		98
71	binmode STDOUT;	99	binmode STDOUT;
72	binmode STDERR;	100	binmode STDERR;
73		101
74	# read virtual server time, if available	102	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
79	}	107	}
80		108
81	mkdir cf::localdir;	109	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		111
87	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
88		113
89	sub cf::map::normalise;	114	sub cf::map::normalise;
90		115
…		…
101	=item $cf::RUNTIME	126	=item $cf::RUNTIME
102		127
103	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
104	every server tick.	129	every server tick.
105		130
106	=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
107		134
108	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		139
111	=item $cf::NOW	140	=item $cf::NOW
112		141
113	The time of the last (current) server tick.	142	The time of the last (current) server tick.
114		143
115	=item $cf::TICK	144	=item $cf::TICK
116		145
117	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.
118		157
119	=item %cf::CFG	158	=item %cf::CFG
120		159
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	161	from wherever your confdir points to.
123		162
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		164
126	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
127	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
128	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.
129	window of cpu time available, or simply to synchronise to the server tick.
130		168
131	=back	169	=back
132		170
133	=cut	171	=cut
134		172
135	BEGIN {	173	BEGIN {
136	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	175	my $msg = join "", @_;
138	utf8::encode $msg;
139		176
140	$msg .= "\n"	177	$msg .= "\n"
141	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
142		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
143	LOG llevError, $msg;	183	LOG llevError, $msg;
144	};	184	};
145	}	185	}
146		186
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		194
154	# 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
155	# within the Safe compartment.	196	# within the Safe compartment.
156	for my $pkg (qw(	197	for my $pkg (qw(
157	cf::global cf::attachable	198	cf::global cf::attachable
…		…
193	$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;
194	$d	235	$d
195	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
196	}	237	}
197		238
198	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
199		240
200	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
201		242
202	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
203		244
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
212		246
213	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
214
215	=cut
216
217	sub to_json($) {
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
219	JSON::Syck::Dump $_[0]
220	}
221		248
222	=item cf::lock_wait $string	249	=item cf::lock_wait $string
223		250
224	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
225		252
…		…
231	returned.	258	returned.
232		259
233	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
234	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
235		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
236	=cut	267	=cut
237		268
238	our %LOCK;	269	our %LOCK;
239		270
240	sub lock_wait($) {	271	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
261	}	292	}
262	}	293	}
263		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
264	sub freeze_mainloop {	301	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
266		303
267	my $guard = Coro::guard {	304	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	306	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
273	$guard	308	$guard
274	}	309	}
275		310
276	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
298		333
299	sub sync_job(&) {	334	sub sync_job(&) {
300	my ($job) = @_;	335	my ($job) = @_;
301		336
302	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
303	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
305		342
306	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
318		355
319	while ($busy) {	356	while ($busy) {
320	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
321	}	358	}
322		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
323	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
324	} else {	368	} else {
325	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
326		370
327	$job->()	371	$job->()
…		…
347		391
348	$coro	392	$coro
349	}	393	}
350		394
351	sub write_runtime {	395	sub write_runtime {
352	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";
353		404
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
355	or return;	406	or return;
356		407
357	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
363		414
364	# always fsync - this file is important	415	# always fsync - this file is important
365	aio_fsync $fh	416	aio_fsync $fh
366	and return;	417	and return;
367		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
368	close $fh	422	close $fh
369	or return;	423	or return;
370		424
371	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
372	and return;	426	and return;
373		427
		428	warn "runtime file written.\n";
		429
374	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	442	}
376		443
377	=back	444	=back
378		445
379	=cut	446	=cut
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
560		627
561	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		632
566	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	634	my $pkg = shift @arg;
568		635
569	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	665	_attach $registry, $klass, @attach;
599	}	666	}
600		667
601	$obj->{$name} = \%arg;	668	$obj->{$name} = \%arg;
602	} else {	669	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	670	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	671	}
605		672
606	$obj->{_attachment}{$name} = undef;	673	$obj->{_attachment}{$name} = undef;
607	}	674	}
608		675
…		…
610	if (ref $_[0]) {	677	if (ref $_[0]) {
611	_object_attach @_;	678	_object_attach @_;
612	} else {	679	} else {
613	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
614	}	681	}
		682	_recalc_want;
615	};	683	};
616		684
617	# all those should be optimised	685	# all those should be optimised
618	sub cf::attachable::detach {	686	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
623	reattach ($obj);	691	reattach ($obj);
624	} else {	692	} else {
625	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
626	}	694	}
		695	_recalc_want;
627	};	696	};
628		697
629	sub cf::attachable::attached {	698	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
631		700
…		…
778	}	847	}
779	} else {	848	} else {
780	aio_unlink $filename;	849	aio_unlink $filename;
781	aio_unlink "$filename.pst";	850	aio_unlink "$filename.pst";
782	}	851	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	852	}
790	}	853	}
791		854
792	sub object_freezer_as_string {	855	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	856	my ($rdata, $objs) = @_;
…		…
799		862
800	sub object_thawer_load {	863	sub object_thawer_load {
801	my ($filename) = @_;	864	my ($filename) = @_;
802		865
803	my ($data, $av);	866	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		867
808	(aio_load $filename, $data) >= 0	868	(aio_load $filename, $data) >= 0
809	or return;	869	or return;
810		870
811	unless (aio_stat "$filename.pst") {	871	unless (aio_stat "$filename.pst") {
…		…
813	or return;	873	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
815	}	875	}
816		876
817	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	879	return ($data, $av);
820	}	880	}
821		881
822	#############################################################################	882	#############################################################################
823	# command handling &c	883	# command handling &c
…		…
883		943
884	cf::override;	944	cf::override;
885	},	945	},
886	);	946	);
887		947
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
923	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	953	next unless -r $path;
925	eval {	954
926	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	$progress = 1;
927	1	1012	}
928	} or warn "$ext not loaded: $@";	1013
		1014	skip:
		1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1016	unless $progress;
		1017	}
929	}	1018	};
930	}	1019	}
931		1020
932	#############################################################################	1021	#############################################################################
933		1022
934	=head2 CORE EXTENSIONS	1023	=head2 CORE EXTENSIONS
…		…
950	Returns the given player object, loading it if necessary (might block).	1039	Returns the given player object, loading it if necessary (might block).
951		1040
952	=cut	1041	=cut
953		1042
954	sub playerdir($) {	1043	sub playerdir($) {
955	cf::localdir	1044	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1045	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1046	}
961		1047
962	sub path($) {	1048	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1049	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1050
965	(playerdir $login) . "/$login.pl"	1051	(playerdir $login) . "/playerdata"
966	}	1052	}
967		1053
968	sub find_active($) {	1054	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1055	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1056	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1069	my $login = $_[0];
984		1070
985	my $guard = cf::lock_acquire "user_find:$login";	1071	my $guard = cf::lock_acquire "user_find:$login";
986		1072
987	$cf::PLAYER{$_[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
988	my $pl = load_pl path $login	1081	my $pl = load_pl path $login
989	or return;	1082	or return;
990	$cf::PLAYER{$login} = $pl	1083	$cf::PLAYER{$login} = $pl
991	}	1084	}
992	}	1085	}
…		…
1029		1122
1030	=cut	1123	=cut
1031		1124
1032	sub quit_character {	1125	sub quit_character {
1033	my ($pl) = @_;	1126	my ($pl) = @_;
		1127
		1128	my $name = $pl->ob->name;
1034		1129
1035	$pl->{deny_save} = 1;	1130	$pl->{deny_save} = 1;
1036	$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
1037		1132
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1138	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1139	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1140	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1141	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1164	}
1050		1165
1051	=item cf::player::list_logins	1166	=item cf::player::list_logins
1052		1167
1053	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
1054	while and may block, so not sync_job-capable, ever.	1169	while and may block, so not sync_job-capable, ever.
1055		1170
1056	=cut	1171	=cut
1057		1172
1058	sub list_logins {	1173	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1174	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1175	or return [];
1061		1176
1062	my @logins;	1177	my @logins;
1063		1178
1064	for my $login (@$dirs) {	1179	for my $login (@$dirs) {
…		…
1099	}	1214	}
1100		1215
1101	\@paths	1216	\@paths
1102	}	1217	}
1103		1218
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1219	=item $player->ext_reply ($msgid, %msg)
1105		1220
1106	Sends an ext reply to the player.	1221	Sends an ext reply to the player.
1107		1222
1108	=cut	1223	=cut
1109		1224
1110	sub ext_reply($$$%) {	1225	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1226	my ($self, $id, %msg) = @_;
1112		1227
1113	$msg{msgid} = $id;	1228	$msg{msgid} = $id;
1114		1229
1115	$self->send ("ext " . cf::to_json \%msg);	1230	$self->send ("ext " . cf::to_json \%msg);
1116	}	1231	}
1117		1232
1118	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	}
1119		1273
1120	=back	1274	=back
1121
1122		1275
1123	=head3 cf::map	1276	=head3 cf::map
1124		1277
1125	=over 4	1278	=over 4
1126		1279
…		…
1181	my ($self, $merge) = @_;	1334	my ($self, $merge) = @_;
1182		1335
1183	# we have to keep some variables in memory intact	1336	# we have to keep some variables in memory intact
1184	local $self->{path};	1337	local $self->{path};
1185	local $self->{load_path};	1338	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1339
1189	$self->SUPER::thawer_merge ($merge);	1340	$self->SUPER::thawer_merge ($merge);
1190	}	1341	}
1191		1342
1192	sub normalise {	1343	sub normalise {
…		…
1264		1415
1265	# the original (read-only) location	1416	# the original (read-only) location
1266	sub load_path {	1417	sub load_path {
1267	my ($self) = @_;	1418	my ($self) = @_;
1268		1419
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1420	"$MAPDIR/$self->{path}.map"
1270	}	1421	}
1271		1422
1272	# the temporary/swap location	1423	# the temporary/swap location
1273	sub save_path {	1424	sub save_path {
1274	my ($self) = @_;	1425	my ($self) = @_;
1275		1426
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1428	"$TMPDIR/$path.map"
1278	}	1429	}
1279		1430
1280	# the unique path, undef == no special unique path	1431	# the unique path, undef == no special unique path
1281	sub uniq_path {	1432	sub uniq_path {
1282	my ($self) = @_;	1433	my ($self) = @_;
1283		1434
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1436	"$UNIQUEDIR/$path"
1286	}	1437	}
1287		1438
1288	# and all this just because we cannot iterate over	1439	# and all this just because we cannot iterate over
1289	# all maps in C++...	1440	# all maps in C++...
1290	sub change_all_map_light {	1441	sub change_all_map_light {
…		…
1292		1443
1293	$_->change_map_light ($change)	1444	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1445	for grep $_->outdoor, values %cf::MAP;
1295	}	1446	}
1296		1447
		1448	sub decay_objects {
		1449	my ($self) = @_;
		1450
		1451	return if $self->{deny_reset};
		1452
		1453	$self->do_decay_objects;
		1454	}
		1455
1297	sub unlink_save {	1456	sub unlink_save {
1298	my ($self) = @_;	1457	my ($self) = @_;
1299		1458
1300	utf8::encode (my $save = $self->save_path);	1459	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1460	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1461	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1462	}
1309		1463
1310	sub load_header_from($) {	1464	sub load_header_from($) {
1311	my ($self, $path) = @_;	1465	my ($self, $path) = @_;
1312		1466
…		…
1362	$self->load_header_orig	1516	$self->load_header_orig
1363	or return;	1517	or return;
1364	$self->prepare_orig;	1518	$self->prepare_orig;
1365	}	1519	}
1366		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
1367	1	1527	1
1368	}	1528	}
1369		1529
1370	sub find;	1530	sub find;
1371	sub find {	1531	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1543	$map->{last_save} = $cf::RUNTIME;
1384		1544
1385	$map->load_header	1545	$map->load_header
1386	or return;	1546	or return;
1387		1547
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1549	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1550	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1551	$map->reset;
1392	undef $guard;	1552	undef $guard;
1393	return find $path;	1553	return find $path;
…		…
1404	my ($self) = @_;	1564	my ($self) = @_;
1405		1565
1406	local $self->{deny_reset} = 1; # loading can take a long time	1566	local $self->{deny_reset} = 1; # loading can take a long time
1407		1567
1408	my $path = $self->{path};	1568	my $path = $self->{path};
		1569
		1570	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1571	my $guard = cf::lock_acquire "map_load:$path";
1410		1572
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1573	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1574
1413	$self->in_memory (cf::MAP_LOADING);	1575	$self->in_memory (cf::MAP_LOADING);
1414		1576
1415	$self->alloc;	1577	$self->alloc;
1416		1578
1417	$self->pre_load;	1579	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1580	Coro::cede;
1443	$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;
1444	$self->difficulty ($self->estimate_difficulty)	1599	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1600	unless $self->difficulty;
1446	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;
1447	$self->activate;	1610	$self->activate;
		1611	}
		1612
		1613	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1614	}
1449		1615
1450	$self->post_load;	1616	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1617	}
1454		1618
1455	sub customise_for {	1619	sub customise_for {
1456	my ($self, $ob) = @_;	1620	my ($self, $ob) = @_;
1457		1621
1458	return find "~" . $ob->name . "/" . $self->{path}	1622	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1623	if $self->per_player;
		1624
		1625	# return find "?party/" . $ob->name . "/" . $self->{path}
		1626	# if $self->per_party;
1460		1627
1461	$self	1628	$self
1462	}	1629	}
1463		1630
1464	# 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
…		…
1575		1742
1576	sub reset_at {	1743	sub reset_at {
1577	my ($self) = @_;	1744	my ($self) = @_;
1578		1745
1579	# TODO: safety, remove and allow resettable per-player maps	1746	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	1747	return 1e99 if $self->{deny_reset};
1582		1748
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1749	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		1751
…		…
1596	my ($self) = @_;	1762	my ($self) = @_;
1597		1763
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1764	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1765
1600	return if $self->players;	1766	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1767
1603	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	}
1604		1779
1605	delete $cf::MAP{$self->path};	1780	delete $cf::MAP{$self->path};
1606		1781
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1782	$self->clear;
1609		1783
1610	$_->clear_links_to ($self) for values %cf::MAP;	1784	$_->clear_links_to ($self) for values %cf::MAP;
1611		1785
1612	$self->unlink_save;	1786	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	1805	$cf::MAP{$self->path} = $self;
1632		1806
1633	$self->reset; # polite request, might not happen	1807	$self->reset; # polite request, might not happen
1634	}	1808	}
1635		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
1636	=item cf::map::unique_maps	1846	=item cf::map::unique_maps
1637		1847
1638	Returns an arrayref of paths of all shared maps that have	1848	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	1849	instantiated unique items. May block.
1640		1850
1641	=cut	1851	=cut
1642		1852
1643	sub unique_maps() {	1853	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1854	[
1645	or return;	1855	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	1856	utf8::decode $_;
1651	next if /\.pst$/;	1857	/\.map$/
1652	next unless /^$PATH_SEP/o;	1858	? normalise $_
1653		1859	: ()
1654	push @paths, cf::map::normalise $_;	1860	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	1861	]
1656
1657	\@paths
1658	}	1862	}
1659		1863
1660	package cf;	1864	package cf;
1661		1865
1662	=back	1866	=back
…		…
1768	$self->deactivate_recursive;	1972	$self->deactivate_recursive;
1769		1973
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	1974	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		1975
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	1977	if $self->map && $self->map->{path} ne "{link}";
1774		1978
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	1980	}
1777		1981
1778	sub cf::object::player::leave_link {	1982	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	1983	my ($self, $map, $x, $y) = @_;
		1984
		1985	return unless $self->contr->active;
1780		1986
1781	my $link_pos = delete $self->{_link_pos};	1987	my $link_pos = delete $self->{_link_pos};
1782		1988
1783	unless ($map) {	1989	unless ($map) {
1784	# restore original map position	1990	# restore original map position
…		…
1802	$map->load;	2008	$map->load;
1803	$map->load_diag;	2009	$map->load_diag;
1804		2010
1805	return unless $self->contr->active;	2011	return unless $self->contr->active;
1806	$self->activate_recursive;	2012	$self->activate_recursive;
		2013
		2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2015	$self->enter_map ($map, $x, $y);
1808	}	2016	}
1809		2017
1810	cf::player->attach (
1811	on_logout => sub {
1812	my ($pl) = @_;
1813
1814	# abort map switching before logout
1815	if ($pl->ob->{_link_pos}) {
1816	cf::sync_job {
1817	$pl->ob->leave_link
1818	};
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)	2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		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
1844	=cut	2025	=cut
		2026
		2027	our $GOTOGEN;
1845		2028
1846	sub cf::object::player::goto {	2029	sub cf::object::player::goto {
1847	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;
1848		2034
1849	$self->enter_link;	2035	$self->enter_link;
1850		2036
1851	(async {	2037	(async {
1852	my $map = eval {	2038	my $map = eval {
1853	my $map = cf::map::find $path;	2039	my $map = cf::map::find $path;
		2040
		2041	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2054	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2055
		2056	if ($gen == $self->{_goto_generation}) {
		2057	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2058	$self->leave_link ($map, $x, $y);
		2059	}
1860	})->prio (1);	2060	})->prio (1);
1861	}	2061	}
1862		2062
1863	=item $player_object->enter_exit ($exit_object)	2063	=item $player_object->enter_exit ($exit_object)
1864		2064
…		…
1903		2103
1904	$rmp->{random_seed} ||= $exit->random_seed;	2104	$rmp->{random_seed} ||= $exit->random_seed;
1905		2105
1906	my $data = cf::to_json $rmp;	2106	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2107	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2108	my $meta = "$RANDOMDIR/$md5.meta";
1909		2109
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2111	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2112	undef $fh;
1913	aio_rename "$meta~", $meta;	2113	aio_rename "$meta~", $meta;
…		…
1922		2122
1923	return unless $self->type == cf::PLAYER;	2123	return unless $self->type == cf::PLAYER;
1924		2124
1925	if ($exit->slaying eq "/!") {	2125	if ($exit->slaying eq "/!") {
1926	#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
1927	cf::sync_job { prepare_random_map $exit };	2129	cf::sync_job { prepare_random_map $exit };
1928	}	2130	}
1929		2131
1930	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;
1931	my $hp = $exit->stats->hp;	2133	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2141	$self->goto ($slaying, $hp, $sp);
1940		2142
1941	1;	2143	1;
1942	}) {	2144	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2145	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2147	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2148	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2149
1948	warn "ERROR in enter_exit: $@";	2150	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2151	$self->leave_link;
1950	}	2152	}
1951	})->prio (1);	2153	})->prio (1);
…		…
1964		2166
1965	sub cf::client::send_drawinfo {	2167	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2168	my ($self, $text, $flags) = @_;
1967		2169
1968	utf8::encode $text;	2170	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2172	}
1971		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	}
1972		2186
1973	=item $success = $client->query ($flags, "text", \&cb)	2187	=item $success = $client->query ($flags, "text", \&cb)
1974		2188
1975	Queues a query to the client, calling the given callback with	2189	Queues a query to the client, calling the given callback with
1976	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>,
…		…
2073		2287
2074	# here we export the classes and methods available to script code	2288	# here we export the classes and methods available to script code
2075		2289
2076	=pod	2290	=pod
2077		2291
2078	The following fucntions and emthods are available within a safe environment:	2292	The following functions and methods are available within a safe environment:
2079		2293
2080	cf::object contr pay_amount pay_player map	2294	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2295	cf::object::player player
2082	cf::player peaceful	2296	cf::player peaceful
2083	cf::map trigger	2297	cf::map trigger
…		…
2168	#############################################################################	2382	#############################################################################
2169		2383
2170	=head2 EXTENSION DATABASE SUPPORT	2384	=head2 EXTENSION DATABASE SUPPORT
2171		2385
2172	Crossfire maintains a very simple database for extension use. It can	2386	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which	2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2174	excludes objects.	2388	convert to/from binary).
2175		2389
2176	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
2177	using it, it should be unique.	2391	using it, it should be unique.
2178		2392
2179	=over 4	2393	=over 4
2180		2394
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key	2395	=item $value = cf::db_get $family => $key
2188		2396
2189	Returns a single value from the database	2397	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195		2398
2196	=item cf::db_put $family => $key => $value	2399	=item cf::db_put $family => $key => $value
2197		2400
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2401	Stores the given C<$value> in the family.
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208		2402
2209	=cut	2403	=cut
2210		2404
2211	our $DB;	2405	our $DB;
2212		2406
2213	{	2407	sub db_init {
2214	my $path = cf::localdir . "/database.pst";	2408	unless ($DB) {
		2409	$DB = BDB::db_create $DB_ENV;
2215		2410
2216	sub db_load() {	2411	cf::sync_job {
2217	$DB = stat $path ? Storable::retrieve $path : { };	2412	eval {
2218	}	2413	$DB->set_flags (BDB::CHKSUM);
2219		2414
2220	my $pid;	2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2221		2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2222	sub db_save() {	2417	cf::cleanup "db_open(db): $!" if $!;
2223	waitpid $pid, 0 if $pid;	2418	};
2224	if (0 == ($pid = fork)) {	2419	cf::cleanup "db_open(db): $@" if $@;
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}	2420	};
2230	}	2421	}
		2422	}
2231		2423
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {	2424	sub db_get($$) {
2254	@_ >= 2	2425	my $key = "$_[0]/$_[1]";
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258		2426
		2427	cf::sync_job {
		2428	BDB::db_get $DB, undef, $key, my $data;
		2429
		2430	$! ? ()
		2431	: $data
		2432	}
		2433	}
		2434
2259	sub db_put($$;$) {	2435	sub db_put($$$) {
2260	if (@_ >= 3) {	2436	BDB::dbreq_pri 4;
2261	$DB->{$_[0]}{$_[1]} = $_[2];	2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2262	} else {	2438	}
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267		2439
2268	cf::global->attach (	2440	=item cf::cache $id => [$paths...], $processversion => $process
2269	prio => 10000,	2441
2270	on_cleanup => sub {	2442	Generic caching function that returns the value of the resource $id,
2271	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->[$_]: $!";
2272	},	2472	}
2273	);	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 $@;
		2550	_exit 0;
		2551	}
2274	}	2552	}
2275		2553
2276	#############################################################################	2554	#############################################################################
2277	# the server's init and main functions	2555	# the server's init and main functions
2278		2556
2279	sub load_resources {	2557	sub load_facedata($) {
2280	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"
2281	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;
2282	}	2643	}
2283		2644
2284	sub cfg_load {	2645	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2646	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2647	or return;
2287		2648
2288	local $/;	2649	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2650	*CFG = YAML::Syck::Load <$fh>;
2290		2651
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2659	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2660	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2661	};
2301	warn $@ if $@;	2662	warn $@ if $@;
2302	}	2663	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2664	}
2308		2665
2309	sub main {	2666	sub main {
2310	# we must not ever block the main coroutine	2667	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2668	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2671	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2672	})->prio (Coro::PRIO_MAX);
2316	};	2673	};
2317		2674
2318	cfg_load;	2675	cfg_load;
2319	db_load;	2676	db_init;
2320	load_extensions;	2677	load_extensions;
2321		2678
2322	$TICK_WATCHER->start;	2679	$TICK_WATCHER->start;
2323	Event::loop;	2680	Event::loop;
2324	}	2681	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2720	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2721	$map->valid or next;
2365	$map->save;	2722	$map->save;
2366	}	2723	}
2367	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 $DB_ENV;
		2728	warn "end emergency database checkpoint\n";
2368	};	2729	};
2369		2730
2370	warn "leave emergency perl save\n";	2731	warn "leave emergency perl save\n";
2371	}	2732	}
2372		2733
		2734	sub post_cleanup {
		2735	my ($make_core) = @_;
		2736
		2737	warn Carp::longmess "post_cleanup backtrace"
		2738	if $make_core;
		2739	}
		2740
2373	sub reload() {	2741	sub do_reload_perl() {
2374	# can/must only be called in main	2742	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2743	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2744	warn "can only reload from main coroutine";
2377	return;	2745	return;
2378	}	2746	}
2379		2747
2380	warn "reloading...";	2748	warn "reloading...";
2381		2749
2382	warn "cancelling server ticker";	2750	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2751
		2752	cf::sync_job {
		2753	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2754	cf::emergency_save;
		2755	cf::write_runtime; # external watchdog should not bark
2386		2756
2387	eval {	2757	warn "syncing database to disk";
		2758	BDB::db_env_txn_checkpoint $DB_ENV;
		2759
2388	# 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
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2761
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2762	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2763	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2765	}
2397		2766
2398	warn "flushing outstanding aio requests";	2767	warn "flushing outstanding aio requests";
2399	for (;;) {	2768	for (;;) {
		2769	BDB::flush;
2400	IO::AIO::flush;	2770	IO::AIO::flush;
2401	Coro::cede;	2771	Coro::cede;
2402	last unless IO::AIO::nreqs;	2772	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2773	warn "iterate...";
2404	}	2774	}
		2775
		2776	++$RELOAD;
2405		2777
2406	warn "cancelling all extension coros";	2778	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2779	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2780	%EXT_CORO = ();
2409		2781
…		…
2449	Symbol::delete_package "safe::$_"	2821	Symbol::delete_package "safe::$_"
2450	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);
2451		2823
2452	warn "unloading cf.pm \"a bit\"";	2824	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	2825	delete $INC{"cf.pm"};
		2826	delete $INC{"cf/pod.pm"};
2454		2827
2455	# don't, removes xs symbols, too,	2828	# don't, removes xs symbols, too,
2456	# and global variables created in xs	2829	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	2830	#Symbol::delete_package __PACKAGE__;
2458		2831
…		…
2462	require cf;	2835	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2837
2465	warn "loading config and database again";	2838	warn "loading config and database again";
2466	cf::cfg_load;	2839	cf::cfg_load;
2467	cf::db_load;
2468		2840
2469	warn "loading extensions";	2841	warn "loading extensions";
2470	cf::load_extensions;	2842	cf::load_extensions;
2471		2843
2472	warn "reattaching attachments to objects/players";	2844	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2845	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2846	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2847	reattach $_ for values %MAP;
		2848	warn "reattaching attachments to players";
		2849	reattach $_ for values %PLAYER;
2476		2850
2477	warn "loading reloadable resources";	2851	warn "leaving sync_job";
2478	load_resources;
2479		2852
2480	warn "restarting server ticker";	2853	1
2481		2854	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	2855	warn $@;
2487	warn "error while reloading, exiting.";	2856	warn "error while reloading, exiting.";
2488	exit 1;	2857	exit 1;
2489	}	2858	};
2490		2859
2491	warn "reloaded";	2860	warn "reloaded";
2492	};	2861	};
2493		2862
2494	our $RELOAD_WATCHER; # used only during reload	2863	our $RELOAD_WATCHER; # used only during reload
2495		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 $RELOAD_WATCHER;
		2876	},
		2877	);
		2878	}
		2879
2496	register_command "reload" => sub {	2880	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	2881	my ($who, $arg) = @_;
2498		2882
2499	if ($who->flag (FLAG_WIZ)) {	2883	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	2884	$who->message ("reloading server.");
2501		2885	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	2886	}
2515	};	2887	};
2516		2888
2517	unshift @INC, $LIBDIR;	2889	unshift @INC, $LIBDIR;
2518		2890
2519	my $bug_warning = 0;	2891	my $bug_warning = 0;
2520		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;
2521	$TICK_WATCHER = Event->timer (	2916	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	2917	reentrant => 0,
2523	parked => 1,	2918	parked => 1,
2524	prio => 0,	2919	prio => 0,
2525	at => $NEXT_TICK || $TICK,	2920	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	2925	unless ++$bug_warning > 10;
2531	return;	2926	return;
2532	}	2927	}
2533		2928
2534	$NOW = Event::time;	2929	$NOW = $tick_start = Event::time;
2535		2930
2536	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
2537	$RUNTIME += $TICK;	2956	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2957	$NEXT_TICK += $TICK;
2539		2958
2540	$WAIT_FOR_TICK->broadcast;	2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		2961	Coro::async_pool {
2543	Event::sweep;	2962	write_runtime
2544	Coro::cede_notself;	2963	or warn "ERROR: unable to write runtime file: $!";
		2964	};
2545		2965	}
		2966
2546	# my $AFTER = Event::time;	2967	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2968	# warn $AFTER - $NOW;#d#
2548		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
2549	# 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
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		2981
2552	$TICK_WATCHER->at ($NEXT_TICK);	2982	$TICK_WATCHER->at ($NEXT_TICK);
2553	$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
2554	},	2991	},
2555	);	2992	);
2556		2993
		2994	{
		2995	BDB::max_poll_time $TICK * 0.1;
		2996	$BDB_POLL_WATCHER = Event->io (
		2997	reentrant => 0,
		2998	fd => BDB::poll_fileno,
		2999	poll => 'r',
		3000	prio => 0,
		3001	data => WF_AUTOCANCEL,
		3002	cb => \&BDB::poll_cb,
		3003	);
		3004	BDB::min_parallel 8;
		3005
		3006	BDB::set_sync_prepare {
		3007	my $status;
		3008	my $current = $Coro::current;
		3009	(
		3010	sub {
		3011	$status = $!;
		3012	$current->ready; undef $current;
		3013	},
		3014	sub {
		3015	Coro::schedule while defined $current;
		3016	$! = $status;
		3017	},
		3018	)
		3019	};
		3020
		3021	unless ($DB_ENV) {
		3022	$DB_ENV = BDB::db_env_create;
		3023
		3024	cf::sync_job {
		3025	eval {
		3026	BDB::db_env_open
		3027	$DB_ENV,
		3028	$BDBDIR,
		3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3031	0666;
		3032
		3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3034
		3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3036	$DB_ENV->set_lk_detect;
		3037	};
		3038
		3039	cf::cleanup "db_env_open(db): $@" if $@;
		3040	};
		3041	}
		3042	}
		3043
		3044	{
		3045	IO::AIO::min_parallel 8;
		3046
		3047	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3048	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3049	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3050	reentrant => 0,
		3051	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3052	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3053	poll => 'r',
2564	prio => 6,	3054	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3055	cb => \&IO::AIO::poll_cb,
2567	);	3056	);
		3057	}
2568		3058
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3059	my $_log_backtrace;
2570	reentrant => 0,	3060
2571	data => WF_AUTOCANCEL,	3061	sub _log_backtrace {
2572	after => 1,	3062	my ($msg, @addr) = @_;
2573	interval => 10,	3063
2574	prio => 6, # keep it lowest so it acts like a watchdog	3064	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3065
2576	write_runtime	3066	# limit the # of concurrent backtraces
2577	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";
2578	},	3094	}
2579	);	3095	}
		3096
		3097	# load additional modules
		3098	use cf::pod;
2580		3099
2581	END { cf::emergency_save }	3100	END { cf::emergency_save }
2582		3101
2583	1	3102	1
2584		3103

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