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 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
20	use BDB ();	25	use BDB ();
21	use Data::Dumper;	26	use Data::Dumper;
22	use Digest::MD5;	27	use Digest::MD5;
23	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
24	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	31	use Time::HiRes;
27	use Compress::LZF;	32	use Compress::LZF;
28		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		39
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		41
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
37		44
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
39		48
40	our %COMMAND = ();	49	our %COMMAND = ();
41	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
42		51
43	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
…		…
45	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
47		56
48	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
49	our @EVENT;	58	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		59
52	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(!)
53	our $TICK_WATCHER;	73	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	74	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	76	our $NEXT_TICK;
57	our $NOW;	77	our $NOW;
…		…
66	our $RUNTIME;	86	our $RUNTIME;
67		87
68	our %PLAYER; # all users	88	our %PLAYER; # all users
69	our %MAP; # all maps	89	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		91
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		98
80	binmode STDOUT;	99	binmode STDOUT;
81	binmode STDERR;	100	binmode STDERR;
82		101
83	# read virtual server time, if available	102	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
88	}	107	}
89		108
90	mkdir cf::localdir;	109	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		111
97	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
98		113
99	sub cf::map::normalise;	114	sub cf::map::normalise;
100		115
…		…
111	=item $cf::RUNTIME	126	=item $cf::RUNTIME
112		127
113	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
114	every server tick.	129	every server tick.
115		130
116	=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
117		134
118	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		139
121	=item $cf::NOW	140	=item $cf::NOW
122		141
123	The time of the last (current) server tick.	142	The time of the last (current) server tick.
124		143
125	=item $cf::TICK	144	=item $cf::TICK
126		145
127	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.
128		157
129	=item %cf::CFG	158	=item %cf::CFG
130		159
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	161	from wherever your confdir points to.
133		162
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		164
136	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
137	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
138	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.
139	window of cpu time available, or simply to synchronise to the server tick.
140		168
141	=back	169	=back
142		170
143	=cut	171	=cut
144		172
145	BEGIN {	173	BEGIN {
146	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	175	my $msg = join "", @_;
148	utf8::encode $msg;
149		176
150	$msg .= "\n"	177	$msg .= "\n"
151	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
152		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
153	LOG llevError, $msg;	183	LOG llevError, $msg;
154	};	184	};
155	}	185	}
156		186
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		194
164	# 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
165	# within the Safe compartment.	196	# within the Safe compartment.
166	for my $pkg (qw(	197	for my $pkg (qw(
167	cf::global cf::attachable	198	cf::global cf::attachable
…		…
203	$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;
204	$d	235	$d
205	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
206	}	237	}
207		238
208	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
209		240
210	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
211		242
212	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
213		244
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
222		246
223	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
224
225	=cut
226
227	sub to_json($) {
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
229	JSON::Syck::Dump $_[0]
230	}
231		248
232	=item cf::lock_wait $string	249	=item cf::lock_wait $string
233		250
234	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
235		252
…		…
241	returned.	258	returned.
242		259
243	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
244	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
245		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
246	=cut	267	=cut
247		268
248	our %LOCK;	269	our %LOCK;
249		270
250	sub lock_wait($) {	271	sub lock_wait($) {
…		…
267		288
268	Coro::guard {	289	Coro::guard {
269	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
271	}	292	}
		293	}
		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
272	}	299	}
273		300
274	sub freeze_mainloop {	301	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
276		303
…		…
306		333
307	sub sync_job(&) {	334	sub sync_job(&) {
308	my ($job) = @_;	335	my ($job) = @_;
309		336
310	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
311	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
313		342
314	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
326		355
327	while ($busy) {	356	while ($busy) {
328	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
329	}	358	}
330		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
331	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
332	} else {	368	} else {
333	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
334		370
335	$job->()	371	$job->()
…		…
355		391
356	$coro	392	$coro
357	}	393	}
358		394
359	sub write_runtime {	395	sub write_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
360	my $guard = cf::lock_acquire "write_runtime";	403	my $guard = cf::lock_acquire "write_runtime";
361
362	my $runtime = cf::localdir . "/runtime";
363		404
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
365	or return;	406	or return;
366		407
367	my $value = $cf::RUNTIME + 90 + 10;	408	my $value = $cf::RUNTIME + 90 + 10;
…		…
373		414
374	# always fsync - this file is important	415	# always fsync - this file is important
375	aio_fsync $fh	416	aio_fsync $fh
376	and return;	417	and return;
377		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
378	close $fh	422	close $fh
379	or return;	423	or return;
380		424
381	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
382	and return;	426	and return;
383		427
		428	warn "runtime file written.\n";
		429
384	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	442	}
386		443
387	=back	444	=back
388		445
389	=cut	446	=cut
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
570		627
571	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		632
576	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	634	my $pkg = shift @arg;
578		635
579	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
620	if (ref $_[0]) {	677	if (ref $_[0]) {
621	_object_attach @_;	678	_object_attach @_;
622	} else {	679	} else {
623	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
624	}	681	}
		682	_recalc_want;
625	};	683	};
626		684
627	# all those should be optimised	685	# all those should be optimised
628	sub cf::attachable::detach {	686	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
633	reattach ($obj);	691	reattach ($obj);
634	} else {	692	} else {
635	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
636	}	694	}
		695	_recalc_want;
637	};	696	};
638		697
639	sub cf::attachable::attached {	698	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
641		700
…		…
814	or return;	873	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
816	}	875	}
817		876
818	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	879	return ($data, $av);
821	}	880	}
822		881
823	#############################################################################	882	#############################################################################
824	# command handling &c	883	# command handling &c
…		…
884		943
885	cf::override;	944	cf::override;
886	},	945	},
887	);	946	);
888		947
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	948	sub load_extensions {
		949	cf::sync_job {
		950	my %todo;
		951
924	for my $ext (<$LIBDIR/*.ext>) {	952	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	953	next unless -r $path;
926	eval {	954
927	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, $v->{pkg};
928	1	1011	}
929	} or warn "$ext not loaded: $@";	1012
		1013	skip:
		1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1015	unless $progress;
		1016	}
930	}	1017	};
931	}	1018	}
932		1019
933	#############################################################################	1020	#############################################################################
934		1021
935	=head2 CORE EXTENSIONS	1022	=head2 CORE EXTENSIONS
…		…
951	Returns the given player object, loading it if necessary (might block).	1038	Returns the given player object, loading it if necessary (might block).
952		1039
953	=cut	1040	=cut
954		1041
955	sub playerdir($) {	1042	sub playerdir($) {
956	cf::localdir	1043	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1044	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1045	}
962		1046
963	sub path($) {	1047	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1048	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1049
966	(playerdir $login) . "/$login.pl"	1050	(playerdir $login) . "/playerdata"
967	}	1051	}
968		1052
969	sub find_active($) {	1053	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1054	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1055	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1068	my $login = $_[0];
985		1069
986	my $guard = cf::lock_acquire "user_find:$login";	1070	my $guard = cf::lock_acquire "user_find:$login";
987		1071
988	$cf::PLAYER{$_[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
989	my $pl = load_pl path $login	1080	my $pl = load_pl path $login
990	or return;	1081	or return;
991	$cf::PLAYER{$login} = $pl	1082	$cf::PLAYER{$login} = $pl
992	}	1083	}
993	}	1084	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1168	while and may block, so not sync_job-capable, ever.
1078		1169
1079	=cut	1170	=cut
1080		1171
1081	sub list_logins {	1172	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1173	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1174	or return [];
1084		1175
1085	my @logins;	1176	my @logins;
1086		1177
1087	for my $login (@$dirs) {	1178	for my $login (@$dirs) {
…		…
1122	}	1213	}
1123		1214
1124	\@paths	1215	\@paths
1125	}	1216	}
1126		1217
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1218	=item $player->ext_reply ($msgid, %msg)
1128		1219
1129	Sends an ext reply to the player.	1220	Sends an ext reply to the player.
1130		1221
1131	=cut	1222	=cut
1132		1223
1133	sub ext_reply($$$%) {	1224	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1225	my ($self, $id, %msg) = @_;
1135		1226
1136	$msg{msgid} = $id;	1227	$msg{msgid} = $id;
1137		1228
1138	$self->send ("ext " . cf::to_json \%msg);	1229	$self->send ("ext " . cf::to_json \%msg);
1139	}	1230	}
1140		1231
1141	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	}
1142		1272
1143	=back	1273	=back
1144
1145		1274
1146	=head3 cf::map	1275	=head3 cf::map
1147		1276
1148	=over 4	1277	=over 4
1149		1278
…		…
1204	my ($self, $merge) = @_;	1333	my ($self, $merge) = @_;
1205		1334
1206	# we have to keep some variables in memory intact	1335	# we have to keep some variables in memory intact
1207	local $self->{path};	1336	local $self->{path};
1208	local $self->{load_path};	1337	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1338
1212	$self->SUPER::thawer_merge ($merge);	1339	$self->SUPER::thawer_merge ($merge);
1213	}	1340	}
1214		1341
1215	sub normalise {	1342	sub normalise {
…		…
1287		1414
1288	# the original (read-only) location	1415	# the original (read-only) location
1289	sub load_path {	1416	sub load_path {
1290	my ($self) = @_;	1417	my ($self) = @_;
1291		1418
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1419	"$MAPDIR/$self->{path}.map"
1293	}	1420	}
1294		1421
1295	# the temporary/swap location	1422	# the temporary/swap location
1296	sub save_path {	1423	sub save_path {
1297	my ($self) = @_;	1424	my ($self) = @_;
1298		1425
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1426	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1427	"$TMPDIR/$path.map"
1301	}	1428	}
1302		1429
1303	# the unique path, undef == no special unique path	1430	# the unique path, undef == no special unique path
1304	sub uniq_path {	1431	sub uniq_path {
1305	my ($self) = @_;	1432	my ($self) = @_;
1306		1433
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1434	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1435	"$UNIQUEDIR/$path"
1309	}	1436	}
1310		1437
1311	# and all this just because we cannot iterate over	1438	# and all this just because we cannot iterate over
1312	# all maps in C++...	1439	# all maps in C++...
1313	sub change_all_map_light {	1440	sub change_all_map_light {
1314	my ($change) = @_;	1441	my ($change) = @_;
1315		1442
1316	$_->change_map_light ($change)	1443	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1444	for grep $_->outdoor, values %cf::MAP;
		1445	}
		1446
		1447	sub decay_objects {
		1448	my ($self) = @_;
		1449
		1450	return if $self->{deny_reset};
		1451
		1452	$self->do_decay_objects;
1318	}	1453	}
1319		1454
1320	sub unlink_save {	1455	sub unlink_save {
1321	my ($self) = @_;	1456	my ($self) = @_;
1322		1457
…		…
1380	$self->load_header_orig	1515	$self->load_header_orig
1381	or return;	1516	or return;
1382	$self->prepare_orig;	1517	$self->prepare_orig;
1383	}	1518	}
1384		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
1385	1	1526	1
1386	}	1527	}
1387		1528
1388	sub find;	1529	sub find;
1389	sub find {	1530	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1542	$map->{last_save} = $cf::RUNTIME;
1402		1543
1403	$map->load_header	1544	$map->load_header
1404	or return;	1545	or return;
1405		1546
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1548	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1549	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1550	$map->reset;
1410	undef $guard;	1551	undef $guard;
1411	return find $path;	1552	return find $path;
…		…
1422	my ($self) = @_;	1563	my ($self) = @_;
1423		1564
1424	local $self->{deny_reset} = 1; # loading can take a long time	1565	local $self->{deny_reset} = 1; # loading can take a long time
1425		1566
1426	my $path = $self->{path};	1567	my $path = $self->{path};
		1568
		1569	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1570	my $guard = cf::lock_acquire "map_load:$path";
1428		1571
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1572	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1573
1431	$self->in_memory (cf::MAP_LOADING);	1574	$self->in_memory (cf::MAP_LOADING);
1432		1575
1433	$self->alloc;	1576	$self->alloc;
1434		1577
1435	$self->pre_load;	1578	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1579	Coro::cede;
1461	$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;
1462	$self->difficulty ($self->estimate_difficulty)	1598	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1599	unless $self->difficulty;
1464	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;
1465	$self->activate;	1609	$self->activate;
		1610	}
		1611
		1612	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1613	}
1467		1614
1468	$self->post_load;	1615	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1616	}
1472		1617
1473	sub customise_for {	1618	sub customise_for {
1474	my ($self, $ob) = @_;	1619	my ($self, $ob) = @_;
1475		1620
1476	return find "~" . $ob->name . "/" . $self->{path}	1621	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1622	if $self->per_player;
		1623
		1624	# return find "?party/" . $ob->name . "/" . $self->{path}
		1625	# if $self->per_party;
1478		1626
1479	$self	1627	$self
1480	}	1628	}
1481		1629
1482	# 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
…		…
1593		1741
1594	sub reset_at {	1742	sub reset_at {
1595	my ($self) = @_;	1743	my ($self) = @_;
1596		1744
1597	# TODO: safety, remove and allow resettable per-player maps	1745	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	1746	return 1e99 if $self->{deny_reset};
1600		1747
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1748	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	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;
1603		1750
…		…
1614	my ($self) = @_;	1761	my ($self) = @_;
1615		1762
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	1763	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		1764
1618	return if $self->players;	1765	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		1766
1621	warn "resetting map ", $self->path;#d#	1767	warn "resetting map ", $self->path;
1622		1768
1623	$self->in_memory (cf::MAP_SWAPPED);	1769	$self->in_memory (cf::MAP_SWAPPED);
1624		1770
1625	# need to save uniques path	1771	# need to save uniques path
1626	unless ($self->{deny_save}) {	1772	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	1804	$cf::MAP{$self->path} = $self;
1659		1805
1660	$self->reset; # polite request, might not happen	1806	$self->reset; # polite request, might not happen
1661	}	1807	}
1662		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
1663	=item cf::map::unique_maps	1845	=item cf::map::unique_maps
1664		1846
1665	Returns an arrayref of paths of all shared maps that have	1847	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	1848	instantiated unique items. May block.
1667		1849
1668	=cut	1850	=cut
1669		1851
1670	sub unique_maps() {	1852	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1853	[
1672	or return;	1854	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	1855	utf8::decode $_;
1678	next if /\.pst$/;	1856	/\.map$/
1679	next unless /^$PATH_SEP/o;	1857	? normalise $_
1680		1858	: ()
1681	push @paths, cf::map::normalise $_;	1859	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	1860	]
1683
1684	\@paths
1685	}	1861	}
1686		1862
1687	package cf;	1863	package cf;
1688		1864
1689	=back	1865	=back
…		…
1795	$self->deactivate_recursive;	1971	$self->deactivate_recursive;
1796		1972
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	1973	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		1974
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1975	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	1976	if $self->map && $self->map->{path} ne "{link}";
1801		1977
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	1978	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	1979	}
1804		1980
1805	sub cf::object::player::leave_link {	1981	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	1982	my ($self, $map, $x, $y) = @_;
		1983
		1984	return unless $self->contr->active;
1807		1985
1808	my $link_pos = delete $self->{_link_pos};	1986	my $link_pos = delete $self->{_link_pos};
1809		1987
1810	unless ($map) {	1988	unless ($map) {
1811	# restore original map position	1989	# restore original map position
…		…
1834		2012
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2014	$self->enter_map ($map, $x, $y);
1837	}	2015	}
1838		2016
1839	cf::player->attach (
1840	on_logout => sub {
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)	2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1872		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
1873	=cut	2024	=cut
		2025
		2026	our $GOTOGEN;
1874		2027
1875	sub cf::object::player::goto {	2028	sub cf::object::player::goto {
1876	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;
1877		2033
1878	$self->enter_link;	2034	$self->enter_link;
1879		2035
1880	(async {	2036	(async {
1881	my $map = eval {	2037	my $map = eval {
1882	my $map = cf::map::find $path;	2038	my $map = cf::map::find $path;
		2039
		2040	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2053	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2054
		2055	if ($gen == $self->{_goto_generation}) {
		2056	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2057	$self->leave_link ($map, $x, $y);
		2058	}
1889	})->prio (1);	2059	})->prio (1);
1890	}	2060	}
1891		2061
1892	=item $player_object->enter_exit ($exit_object)	2062	=item $player_object->enter_exit ($exit_object)
1893		2063
…		…
1932		2102
1933	$rmp->{random_seed} ||= $exit->random_seed;	2103	$rmp->{random_seed} ||= $exit->random_seed;
1934		2104
1935	my $data = cf::to_json $rmp;	2105	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2106	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2107	my $meta = "$RANDOMDIR/$md5.meta";
1938		2108
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2109	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2110	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2111	undef $fh;
1942	aio_rename "$meta~", $meta;	2112	aio_rename "$meta~", $meta;
…		…
1951		2121
1952	return unless $self->type == cf::PLAYER;	2122	return unless $self->type == cf::PLAYER;
1953		2123
1954	if ($exit->slaying eq "/!") {	2124	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2128	cf::sync_job { prepare_random_map $exit };
1957	}	2129	}
1958		2130
1959	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;
1960	my $hp = $exit->stats->hp;	2132	my $hp = $exit->stats->hp;
…		…
1968	$self->goto ($slaying, $hp, $sp);	2140	$self->goto ($slaying, $hp, $sp);
1969		2141
1970	1;	2142	1;
1971	}) {	2143	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2144	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2146	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2147	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2148
1977	warn "ERROR in enter_exit: $@";	2149	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2150	$self->leave_link;
1979	}	2151	}
1980	})->prio (1);	2152	})->prio (1);
…		…
1993		2165
1994	sub cf::client::send_drawinfo {	2166	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2167	my ($self, $text, $flags) = @_;
1996		2168
1997	utf8::encode $text;	2169	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2171	}
2000		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	}
2001		2185
2002	=item $success = $client->query ($flags, "text", \&cb)	2186	=item $success = $client->query ($flags, "text", \&cb)
2003		2187
2004	Queues a query to the client, calling the given callback with	2188	Queues a query to the client, calling the given callback with
2005	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>,
…		…
2102		2286
2103	# here we export the classes and methods available to script code	2287	# here we export the classes and methods available to script code
2104		2288
2105	=pod	2289	=pod
2106		2290
2107	The following fucntions and emthods are available within a safe environment:	2291	The following functions and methods are available within a safe environment:
2108		2292
2109	cf::object contr pay_amount pay_player map	2293	cf::object contr pay_amount pay_player map
2110	cf::object::player player	2294	cf::object::player player
2111	cf::player peaceful	2295	cf::player peaceful
2112	cf::map trigger	2296	cf::map trigger
…		…
2197	#############################################################################	2381	#############################################################################
2198		2382
2199	=head2 EXTENSION DATABASE SUPPORT	2383	=head2 EXTENSION DATABASE SUPPORT
2200		2384
2201	Crossfire maintains a very simple database for extension use. It can	2385	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which	2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2203	excludes objects.	2387	convert to/from binary).
2204		2388
2205	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
2206	using it, it should be unique.	2390	using it, it should be unique.
2207		2391
2208	=over 4	2392	=over 4
…		…
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;	2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;	2416	cf::cleanup "db_open(db): $!" if $!;
2233	};	2417	};
2234	cf::cleanup "db_open(db): $@" if $@;	2418	cf::cleanup "db_open(db): $@" if $@;
2235	};	2419	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}	2420	}
2251	}	2421	}
2252		2422
2253	sub db_get($$) {	2423	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";	2424	my $key = "$_[0]/$_[1]";
2255		2425
2256	cf::sync_job {	2426	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;	2427	BDB::db_get $DB, undef, $key, my $data;
2258		2428
2259	$! ? ()	2429	$! ? ()
2260	: Compress::LZF::sthaw $data	2430	: $data
2261	}	2431	}
2262	}	2432	}
2263		2433
2264	sub db_put($$$) {	2434	sub db_put($$$) {
2265	BDB::dbreq_pri 4;	2435	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		2437	}
		2438
		2439	=item cf::cache $id => [$paths...], $processversion => $process
		2440
		2441	Generic caching function that returns the value of the resource $id,
		2442	caching and regenerating as required.
		2443
		2444	This function can block.
		2445
		2446	=cut
		2447
		2448	sub cache {
		2449	my ($id, $src, $processversion, $process) = @_;
		2450
		2451	my $meta =
		2452	join "\x00",
		2453	$processversion,
		2454	map {
		2455	aio_stat $_
		2456	and Carp::croak "$_: $!";
		2457
		2458	($_, (stat _)[7,9])
		2459	} @$src;
		2460
		2461	my $dbmeta = db_get cache => "$id/meta";
		2462	if ($dbmeta ne $meta) {
		2463	# changed, we may need to process
		2464
		2465	my @data;
		2466	my $md5;
		2467
		2468	for (0 .. $#$src) {
		2469	0 <= aio_load $src->[$_], $data[$_]
		2470	or Carp::croak "$src->[$_]: $!";
		2471	}
		2472
		2473	# if processing is expensive, check
		2474	# checksum first
		2475	if (1) {
		2476	$md5 =
		2477	join "\x00",
		2478	$processversion,
		2479	map {
		2480	Coro::cede;
		2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2482	} 0.. $#$src;
		2483
		2484
		2485	my $dbmd5 = db_get cache => "$id/md5";
		2486	if ($dbmd5 eq $md5) {
		2487	db_put cache => "$id/meta", $meta;
		2488
		2489	return db_get cache => "$id/data";
		2490	}
		2491	}
		2492
		2493	my $t1 = Time::HiRes::time;
		2494	my $data = $process->(\@data);
		2495	my $t2 = Time::HiRes::time;
		2496
		2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2498
		2499	db_put cache => "$id/data", $data;
		2500	db_put cache => "$id/md5" , $md5;
		2501	db_put cache => "$id/meta", $meta;
		2502
		2503	return $data;
		2504	}
		2505
		2506	db_get cache => "$id/data"
		2507	}
		2508
		2509	=item fork_call { }, $args
		2510
		2511	Executes the given code block with the given arguments in a seperate
		2512	process, returning the results. Everything must be serialisable with
		2513	Coro::Storable. May, of course, block. Note that the executed sub may
		2514	never block itself or use any form of Event handling.
		2515
		2516	=cut
		2517
		2518	sub fork_call(&@) {
		2519	my ($cb, @args) = @_;
		2520
		2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2522	# or die "socketpair: $!";
		2523	pipe my $fh1, my $fh2
		2524	or die "pipe: $!";
		2525
		2526	if (my $pid = fork) {
		2527	close $fh2;
		2528
		2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2530	$res = Coro::Storable::thaw $res;
		2531
		2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2533
		2534	die $$res unless "ARRAY" eq ref $res;
		2535
		2536	return wantarray ? @$res : $res->[-1];
		2537	} else {
		2538	reset_signals;
		2539	local $SIG{__WARN__};
		2540	local $SIG{__DIE__};
		2541	eval {
		2542	close $fh1;
		2543
		2544	my @res = eval { $cb->(@args) };
		2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2546	};
		2547
		2548	warn $@ if $@;
		2549	_exit 0;
		2550	}
2267	}	2551	}
2268		2552
2269	#############################################################################	2553	#############################################################################
2270	# the server's init and main functions	2554	# the server's init and main functions
2271		2555
2272	sub load_faces {	2556	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2557	my ($path) = @_;
2274		2558
2275	warn "loading faces from $path\n";	2559	warn "loading facedata from $path\n";
2276		2560
2277	my $faces;	2561	my $facedata;
2278	0 < aio_load $path, $faces	2562	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2563	or die "$path: $!";
2280		2564
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2565	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2566
		2567	$facedata->{version} == 2
		2568	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2569
		2570	{
		2571	my $faces = $facedata->{faceinfo};
		2572
2285	while (my ($face, $info) = each %$faces) {	2573	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2289	Coro::cede;	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
2290	}	2603	}
2291		2604
2292	1	2605	1
2293	}	2606	}
2294		2607
		2608	sub reload_regions {
		2609	load_resource_file "$MAPDIR/regions"
		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
2295	sub reload_resources {	2628	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2629	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2630
		2631	reload_regions;
2298	load_faces	2632	reload_facedata;
2299	or die "unable to load faces\n";#d#	2633	#reload_archetypes;#d#
		2634	reload_archetypes;
		2635	reload_treasures;
		2636
		2637	warn "finished reloading resource files\n";
2300	}	2638	}
2301		2639
2302	sub init {	2640	sub init {
2303	reload_resources;	2641	reload_resources;
2304	}	2642	}
2305		2643
2306	sub cfg_load {	2644	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2645	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2646	or return;
2309		2647
2310	local $/;	2648	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2649	*CFG = YAML::Syck::Load <$fh>;
2312		2650
…		…
2397		2735
2398	warn Carp::longmess "post_cleanup backtrace"	2736	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	2737	if $make_core;
2400	}	2738	}
2401		2739
2402	sub reload() {	2740	sub do_reload_perl() {
2403	# can/must only be called in main	2741	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	2742	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	2743	warn "can only reload from main coroutine";
2406	return;	2744	return;
2407	}	2745	}
…		…
2482	Symbol::delete_package "safe::$_"	2820	Symbol::delete_package "safe::$_"
2483	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);
2484		2822
2485	warn "unloading cf.pm \"a bit\"";	2823	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	2824	delete $INC{"cf.pm"};
		2825	delete $INC{"cf/pod.pm"};
2487		2826
2488	# don't, removes xs symbols, too,	2827	# don't, removes xs symbols, too,
2489	# and global variables created in xs	2828	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	2829	#Symbol::delete_package __PACKAGE__;
2491		2830
…		…
2506	warn "reattaching attachments to maps";	2845	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	2846	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	2847	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	2848	reattach $_ for values %PLAYER;
2510		2849
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	2850	warn "leaving sync_job";
2515		2851
2516	1	2852	1
2517	} or do {	2853	} or do {
2518	warn $@;	2854	warn $@;
…		…
2523	warn "reloaded";	2859	warn "reloaded";
2524	};	2860	};
2525		2861
2526	our $RELOAD_WATCHER; # used only during reload	2862	our $RELOAD_WATCHER; # used only during reload
2527		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
2528	register_command "reload" => sub {	2879	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	2880	my ($who, $arg) = @_;
2530		2881
2531	if ($who->flag (FLAG_WIZ)) {	2882	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	2883	$who->message ("reloading server.");
2533		2884	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	2885	}
2547	};	2886	};
2548		2887
2549	unshift @INC, $LIBDIR;	2888	unshift @INC, $LIBDIR;
2550		2889
2551	my $bug_warning = 0;	2890	my $bug_warning = 0;
2552		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;
2553	$TICK_WATCHER = Event->timer (	2915	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	2916	reentrant => 0,
2555	parked => 1,	2917	parked => 1,
2556	prio => 0,	2918	prio => 0,
2557	at => $NEXT_TICK || $TICK,	2919	at => $NEXT_TICK || $TICK,
…		…
2561	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"
2562	unless ++$bug_warning > 10;	2924	unless ++$bug_warning > 10;
2563	return;	2925	return;
2564	}	2926	}
2565		2927
2566	$NOW = Event::time;	2928	$NOW = $tick_start = Event::time;
2567		2929
2568	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
2569	$RUNTIME += $TICK;	2955	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	2956	$NEXT_TICK += $TICK;
2571		2957
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	2961	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	2962	or warn "ERROR: unable to write runtime file: $!";
2577	};	2963	};
2578	}	2964	}
2579		2965
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	2966	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	2967	# warn $AFTER - $NOW;#d#
2585		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
2586	# 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
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		2980
2589	$TICK_WATCHER->at ($NEXT_TICK);	2981	$TICK_WATCHER->at ($NEXT_TICK);
2590	$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
2591	},	2990	},
2592	);	2991	);
2593		2992
2594	{	2993	{
2595	BDB::max_poll_time $TICK * 0.1;	2994	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3022
2624	cf::sync_job {	3023	cf::sync_job {
2625	eval {	3024	eval {
2626	BDB::db_env_open	3025	BDB::db_env_open
2627	$DB_ENV,	3026	$DB_ENV,
2628	$BDB_ENV_DIR,	3027	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3030	0666;
2632		3031
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3033
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3035	$DB_ENV->set_lk_detect;
2637	};	3036	};
2638		3037
…		…
2654	prio => 6,	3053	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3054	cb => \&IO::AIO::poll_cb,
2656	);	3055	);
2657	}	3056	}
2658		3057
		3058	my $_log_backtrace;
		3059
		3060	sub _log_backtrace {
		3061	my ($msg, @addr) = @_;
		3062
		3063	$msg =~ s/\n//;
		3064
		3065	# limit the # of concurrent backtraces
		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";
		3093	}
		3094	}
		3095
		3096	# load additional modules
		3097	use cf::pod;
		3098
2659	END { cf::emergency_save }	3099	END { cf::emergency_save }
2660		3100
2661	1	3101	1
2662		3102

Diff Legend

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