ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 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
		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; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
54		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) {
…		…
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 } 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, $v->{pkg};
927	1	1011	}
928	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
929	}	1017	};
930	}	1018	}
931		1019
932	#############################################################################	1020	#############################################################################
933		1021
934	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
950	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
951		1039
952	=cut	1040	=cut
953		1041
954	sub playerdir($) {	1042	sub playerdir($) {
955	cf::localdir	1043	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1045	}
961		1046
962	sub path($) {	1047	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1049
965	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
966	}	1051	}
967		1052
968	sub find_active($) {	1053	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1068	my $login = $_[0];
984		1069
985	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
986		1071
987	$cf::PLAYER{$_[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
988	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
989	or return;	1081	or return;
990	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
991	}	1083	}
992	}	1084	}
…		…
1029		1121
1030	=cut	1122	=cut
1031		1123
1032	sub quit_character {	1124	sub quit_character {
1033	my ($pl) = @_;	1125	my ($pl) = @_;
		1126
		1127	my $name = $pl->ob->name;
1034		1128
1035	$pl->{deny_save} = 1;	1129	$pl->{deny_save} = 1;
1036	$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
1037		1131
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1132	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1137	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1138	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1139	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1140	delete $cf::PLAYER{$pl->ob->name};
1047	$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
1048	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;
1049	}	1163	}
1050		1164
1051	=item cf::player::list_logins	1165	=item cf::player::list_logins
1052		1166
1053	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
1054	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1055		1169
1056	=cut	1170	=cut
1057		1171
1058	sub list_logins {	1172	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1174	or return [];
1061		1175
1062	my @logins;	1176	my @logins;
1063		1177
1064	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1099	}	1213	}
1100		1214
1101	\@paths	1215	\@paths
1102	}	1216	}
1103		1217
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1105		1219
1106	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1107		1221
1108	=cut	1222	=cut
1109		1223
1110	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1111	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1112		1226
1113	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1114		1228
1115	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1116	}	1230	}
1117		1231
1118	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	}
1119		1272
1120	=back	1273	=back
1121
1122		1274
1123	=head3 cf::map	1275	=head3 cf::map
1124		1276
1125	=over 4	1277	=over 4
1126		1278
…		…
1181	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1182		1334
1183	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1184	local $self->{path};	1336	local $self->{path};
1185	local $self->{load_path};	1337	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1338
1189	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1190	}	1340	}
1191		1341
1192	sub normalise {	1342	sub normalise {
…		…
1264		1414
1265	# the original (read-only) location	1415	# the original (read-only) location
1266	sub load_path {	1416	sub load_path {
1267	my ($self) = @_;	1417	my ($self) = @_;
1268		1418
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1270	}	1420	}
1271		1421
1272	# the temporary/swap location	1422	# the temporary/swap location
1273	sub save_path {	1423	sub save_path {
1274	my ($self) = @_;	1424	my ($self) = @_;
1275		1425
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1278	}	1428	}
1279		1429
1280	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1281	sub uniq_path {	1431	sub uniq_path {
1282	my ($self) = @_;	1432	my ($self) = @_;
1283		1433
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1286	}	1436	}
1287		1437
1288	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1289	# all maps in C++...	1439	# all maps in C++...
1290	sub change_all_map_light {	1440	sub change_all_map_light {
…		…
1292		1442
1293	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
1295	}	1445	}
1296		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
		1453	}
		1454
1297	sub unlink_save {	1455	sub unlink_save {
1298	my ($self) = @_;	1456	my ($self) = @_;
1299		1457
1300	utf8::encode (my $save = $self->save_path);	1458	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1459	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1460	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	}	1461	}
1309		1462
1310	sub load_header_from($) {	1463	sub load_header_from($) {
1311	my ($self, $path) = @_;	1464	my ($self, $path) = @_;
1312		1465
…		…
1362	$self->load_header_orig	1515	$self->load_header_orig
1363	or return;	1516	or return;
1364	$self->prepare_orig;	1517	$self->prepare_orig;
1365	}	1518	}
1366		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
1367	1	1526	1
1368	}	1527	}
1369		1528
1370	sub find;	1529	sub find;
1371	sub find {	1530	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1384		1543
1385	$map->load_header	1544	$map->load_header
1386	or return;	1545	or return;
1387		1546
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1550	$map->reset;
1392	undef $guard;	1551	undef $guard;
1393	return find $path;	1552	return find $path;
…		…
1404	my ($self) = @_;	1563	my ($self) = @_;
1405		1564
1406	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1407		1566
1408	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1410		1571
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1573
1413	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1414		1575
1415	$self->alloc;	1576	$self->alloc;
1416		1577
1417	$self->pre_load;	1578	$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;	1579	Coro::cede;
1443	$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;
1444	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1599	unless $self->difficulty;
1446	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;
1447	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1613	}
1449		1614
1450	$self->post_load;	1615	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1616	}
1454		1617
1455	sub customise_for {	1618	sub customise_for {
1456	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1457		1620
1458	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1460		1626
1461	$self	1627	$self
1462	}	1628	}
1463		1629
1464	# 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
…		…
1575		1741
1576	sub reset_at {	1742	sub reset_at {
1577	my ($self) = @_;	1743	my ($self) = @_;
1578		1744
1579	# TODO: safety, remove and allow resettable per-player maps	1745	# 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};	1746	return 1e99 if $self->{deny_reset};
1582		1747
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	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;
1585		1750
…		…
1596	my ($self) = @_;	1761	my ($self) = @_;
1597		1762
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		1764
1600	return if $self->players;	1765	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		1766
1603	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	}
1604		1778
1605	delete $cf::MAP{$self->path};	1779	delete $cf::MAP{$self->path};
1606		1780
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	1781	$self->clear;
1609		1782
1610	$_->clear_links_to ($self) for values %cf::MAP;	1783	$_->clear_links_to ($self) for values %cf::MAP;
1611		1784
1612	$self->unlink_save;	1785	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1632		1805
1633	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1634	}	1807	}
1635		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
1636	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1637		1846
1638	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	1848	instantiated unique items. May block.
1640		1849
1641	=cut	1850	=cut
1642		1851
1643	sub unique_maps() {	1852	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1645	or return;	1854	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	1855	utf8::decode $_;
1651	next if /\.pst$/;	1856	/\.map$/
1652	next unless /^$PATH_SEP/o;	1857	? normalise $_
1653		1858	: ()
1654	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	1860	]
1656
1657	\@paths
1658	}	1861	}
1659		1862
1660	package cf;	1863	package cf;
1661		1864
1662	=back	1865	=back
…		…
1768	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1769		1972
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		1974
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1774		1977
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	1979	}
1777		1980
1778	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1780		1985
1781	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1782		1987
1783	unless ($map) {	1988	unless ($map) {
1784	# restore original map position	1989	# restore original map position
…		…
1802	$map->load;	2007	$map->load;
1803	$map->load_diag;	2008	$map->load_diag;
1804		2009
1805	return unless $self->contr->active;	2010	return unless $self->contr->active;
1806	$self->activate_recursive;	2011	$self->activate_recursive;
		2012
		2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1808	}	2015	}
1809		2016
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)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1843		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
1844	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1845		2027
1846	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1847	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;
1848		2033
1849	$self->enter_link;	2034	$self->enter_link;
1850		2035
1851	(async {	2036	(async {
1852	my $map = eval {	2037	my $map = eval {
1853	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1854	$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
1855	$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 $@;
1856	} or	2053	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1860	})->prio (1);	2059	})->prio (1);
1861	}	2060	}
1862		2061
1863	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1864		2063
…		…
1903		2102
1904	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1905		2104
1906	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1909		2108
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2111	undef $fh;
1913	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1922		2121
1923	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1924		2123
1925	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1926	#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
1927	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1928	}	2129	}
1929		2130
1930	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;
1931	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1939	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1940		2141
1941	1;	2142	1;
1942	}) {	2143	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "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. "
1945	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2148
1948	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2150	$self->leave_link;
1950	}	2151	}
1951	})->prio (1);	2152	})->prio (1);
…		…
1964		2165
1965	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1967		2168
1968	utf8::encode $text;	2169	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2171	}
1971		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	}
1972		2185
1973	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
1974		2187
1975	Queues a query to the client, calling the given callback with	2188	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>,	2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
2073		2286
2074	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2075		2288
2076	=pod	2289	=pod
2077		2290
2078	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2079		2292
2080	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2081	cf::object::player player	2294	cf::object::player player
2082	cf::player peaceful	2295	cf::player peaceful
2083	cf::map trigger	2296	cf::map trigger
…		…
2168	#############################################################################	2381	#############################################################################
2169		2382
2170	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2171		2384
2172	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2174	excludes objects.	2387	convert to/from binary).
2175		2388
2176	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
2177	using it, it should be unique.	2390	using it, it should be unique.
2178		2391
2179	=over 4	2392	=over 4
2180		2393
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	2394	=item $value = cf::db_get $family => $key
2188		2395
2189	Returns a single value from the database	2396	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		2397
2196	=item cf::db_put $family => $key => $value	2398	=item cf::db_put $family => $key => $value
2197		2399
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you	2400	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		2401
2209	=cut	2402	=cut
2210		2403
2211	our $DB;	2404	our $DB;
2212		2405
2213	{	2406	sub db_init {
2214	my $path = cf::localdir . "/database.pst";	2407	unless ($DB) {
		2408	$DB = BDB::db_create $DB_ENV;
2215		2409
2216	sub db_load() {	2410	cf::sync_job {
2217	$DB = stat $path ? Storable::retrieve $path : { };	2411	eval {
2218	}	2412	$DB->set_flags (BDB::CHKSUM);
2219		2413
2220	my $pid;	2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2221		2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2222	sub db_save() {	2416	cf::cleanup "db_open(db): $!" if $!;
2223	waitpid $pid, 0 if $pid;	2417	};
2224	if (0 == ($pid = fork)) {	2418	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	}	2419	};
2230	}	2420	}
		2421	}
2231		2422
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	$idle->start;
2251	}
2252
2253	sub db_get($;$) {	2423	sub db_get($$) {
2254	@_ >= 2	2424	my $key = "$_[0]/$_[1]";
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258		2425
		2426	cf::sync_job {
		2427	BDB::db_get $DB, undef, $key, my $data;
		2428
		2429	$! ? ()
		2430	: $data
		2431	}
		2432	}
		2433
2259	sub db_put($$;$) {	2434	sub db_put($$$) {
2260	if (@_ >= 3) {	2435	BDB::dbreq_pri 4;
2261	$DB->{$_[0]}{$_[1]} = $_[2];	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2262	} else {	2437	}
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267		2438
2268	cf::global->attach (	2439	=item cf::cache $id => [$paths...], $processversion => $process
2269	prio => 10000,	2440
2270	on_cleanup => sub {	2441	Generic caching function that returns the value of the resource $id,
2271	db_sync;	2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
2272	},	2471	}
2273	);	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 $@;
		2549	_exit 0;
		2550	}
2274	}	2551	}
2275		2552
2276	#############################################################################	2553	#############################################################################
2277	# the server's init and main functions	2554	# the server's init and main functions
2278		2555
2279	sub load_resources {	2556	sub load_facedata($) {
2280	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"
2281	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;
2282	}	2642	}
2283		2643
2284	sub cfg_load {	2644	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	2646	or return;
2287		2647
2288	local $/;	2648	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2290		2650
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2658	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	2659	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	2660	};
2301	warn $@ if $@;	2661	warn $@ if $@;
2302	}	2662	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	2663	}
2308		2664
2309	sub main {	2665	sub main {
2310	# we must not ever block the main coroutine	2666	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	2667	local $Coro::idle = sub {
…		…
2314	Event::one_event;	2670	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	2671	})->prio (Coro::PRIO_MAX);
2316	};	2672	};
2317		2673
2318	cfg_load;	2674	cfg_load;
2319	db_load;	2675	db_init;
2320	load_extensions;	2676	load_extensions;
2321		2677
2322	$TICK_WATCHER->start;	2678	$TICK_WATCHER->start;
2323	Event::loop;	2679	Event::loop;
2324	}	2680	}
…		…
2363	my $map = $cf::MAP{$path} or next;	2719	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	2720	$map->valid or next;
2365	$map->save;	2721	$map->save;
2366	}	2722	}
2367	warn "end emergency map save\n";	2723	warn "end emergency map save\n";
		2724
		2725	warn "begin emergency database checkpoint\n";
		2726	BDB::db_env_txn_checkpoint $DB_ENV;
		2727	warn "end emergency database checkpoint\n";
2368	};	2728	};
2369		2729
2370	warn "leave emergency perl save\n";	2730	warn "leave emergency perl save\n";
2371	}	2731	}
2372		2732
		2733	sub post_cleanup {
		2734	my ($make_core) = @_;
		2735
		2736	warn Carp::longmess "post_cleanup backtrace"
		2737	if $make_core;
		2738	}
		2739
2373	sub reload() {	2740	sub do_reload_perl() {
2374	# can/must only be called in main	2741	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2377	return;	2744	return;
2378	}	2745	}
2379		2746
2380	warn "reloading...";	2747	warn "reloading...";
2381		2748
2382	warn "cancelling server ticker";	2749	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		2750
		2751	cf::sync_job {
		2752	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	2753	cf::emergency_save;
		2754	cf::write_runtime; # external watchdog should not bark
2386		2755
2387	eval {	2756	warn "syncing database to disk";
		2757	BDB::db_env_txn_checkpoint $DB_ENV;
		2758
2388	# 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
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		2760
2393	warn "cancelling all WF_AUTOCANCEL watchers";	2761	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	2762	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	2764	}
2397		2765
2398	warn "flushing outstanding aio requests";	2766	warn "flushing outstanding aio requests";
2399	for (;;) {	2767	for (;;) {
		2768	BDB::flush;
2400	IO::AIO::flush;	2769	IO::AIO::flush;
2401	Coro::cede;	2770	Coro::cede;
2402	last unless IO::AIO::nreqs;	2771	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	2772	warn "iterate...";
2404	}	2773	}
		2774
		2775	++$RELOAD;
2405		2776
2406	warn "cancelling all extension coros";	2777	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	2778	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	2779	%EXT_CORO = ();
2409		2780
…		…
2449	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2450	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);
2451		2822
2452	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2454		2826
2455	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2456	# and global variables created in xs	2828	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2458		2830
…		…
2462	require cf;	2834	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		2836
2465	warn "loading config and database again";	2837	warn "loading config and database again";
2466	cf::cfg_load;	2838	cf::cfg_load;
2467	cf::db_load;
2468		2839
2469	warn "loading extensions";	2840	warn "loading extensions";
2470	cf::load_extensions;	2841	cf::load_extensions;
2471		2842
2472	warn "reattaching attachments to objects/players";	2843	warn "reattaching attachments to objects/players";
2473	_global_reattach;	2844	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
		2847	warn "reattaching attachments to players";
		2848	reattach $_ for values %PLAYER;
2476		2849
2477	warn "loading reloadable resources";	2850	warn "leaving sync_job";
2478	load_resources;
2479		2851
2480	warn "restarting server ticker";	2852	1
2481		2853	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	2854	warn $@;
2487	warn "error while reloading, exiting.";	2855	warn "error while reloading, exiting.";
2488	exit 1;	2856	exit 1;
2489	}	2857	};
2490		2858
2491	warn "reloaded";	2859	warn "reloaded";
2492	};	2860	};
2493		2861
2494	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2495		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 $RELOAD_WATCHER;
		2875	},
		2876	);
		2877	}
		2878
2496	register_command "reload" => sub {	2879	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2498		2881
2499	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2501		2884	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	}	2885	}
2515	};	2886	};
2516		2887
2517	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2518		2889
2519	my $bug_warning = 0;	2890	my $bug_warning = 0;
2520		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;
2521	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	2916	reentrant => 0,
2523	parked => 1,	2917	parked => 1,
2524	prio => 0,	2918	prio => 0,
2525	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2531	return;	2925	return;
2532	}	2926	}
2533		2927
2534	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2535		2929
2536	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
2537	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2539		2957
2540	$WAIT_FOR_TICK->broadcast;	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		2960	Coro::async_pool {
2543	Event::sweep;	2961	write_runtime
2544	Coro::cede_notself;	2962	or warn "ERROR: unable to write runtime file: $!";
		2963	};
2545		2964	}
		2965
2546	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2548		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
2549	# 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
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		2980
2552	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2553	$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
2554	},	2990	},
2555	);	2991	);
2556		2992
		2993	{
		2994	BDB::max_poll_time $TICK * 0.1;
		2995	$BDB_POLL_WATCHER = Event->io (
		2996	reentrant => 0,
		2997	fd => BDB::poll_fileno,
		2998	poll => 'r',
		2999	prio => 0,
		3000	data => WF_AUTOCANCEL,
		3001	cb => \&BDB::poll_cb,
		3002	);
		3003	BDB::min_parallel 8;
		3004
		3005	BDB::set_sync_prepare {
		3006	my $status;
		3007	my $current = $Coro::current;
		3008	(
		3009	sub {
		3010	$status = $!;
		3011	$current->ready; undef $current;
		3012	},
		3013	sub {
		3014	Coro::schedule while defined $current;
		3015	$! = $status;
		3016	},
		3017	)
		3018	};
		3019
		3020	unless ($DB_ENV) {
		3021	$DB_ENV = BDB::db_env_create;
		3022
		3023	cf::sync_job {
		3024	eval {
		3025	BDB::db_env_open
		3026	$DB_ENV,
		3027	$BDBDIR,
		3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3030	0666;
		3031
		3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3033
		3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3035	$DB_ENV->set_lk_detect;
		3036	};
		3037
		3038	cf::cleanup "db_env_open(db): $@" if $@;
		3039	};
		3040	}
		3041	}
		3042
		3043	{
		3044	IO::AIO::min_parallel 8;
		3045
		3046	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3047	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3048	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3051	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3052	poll => 'r',
2564	prio => 6,	3053	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2567	);	3055	);
		3056	}
2568		3057
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3058	my $_log_backtrace;
2570	reentrant => 0,	3059
2571	data => WF_AUTOCANCEL,	3060	sub _log_backtrace {
2572	after => 1,	3061	my ($msg, @addr) = @_;
2573	interval => 10,	3062
2574	prio => 6, # keep it lowest so it acts like a watchdog	3063	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3064
2576	write_runtime	3065	# limit the # of concurrent backtraces
2577	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";
2578	},	3093	}
2579	);	3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
2580		3098
2581	END { cf::emergency_save }	3099	END { cf::emergency_save }
2582		3100
2583	1	3101	1
2584		3102

Diff Legend

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