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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 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 3.4 ();	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;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
53		82
54	our %CFG;	83	our %CFG;
55		84
56	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	86	our $RUNTIME;
58		87
59	our %PLAYER; # all users	88	our %PLAYER; # all users
60	our %MAP; # all maps	89	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	90	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		91
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		98
70	binmode STDOUT;	99	binmode STDOUT;
71	binmode STDERR;	100	binmode STDERR;
72		101
73	# read virtual server time, if available	102	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
78	}	107	}
79		108
80	mkdir cf::localdir;	109	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		111
86	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
87		115
88	#############################################################################	116	#############################################################################
89		117
90	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
91		119
…		…
98	=item $cf::RUNTIME	126	=item $cf::RUNTIME
99		127
100	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
101	every server tick.	129	every server tick.
102		130
103	=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
104		134
105	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		139
108	=item $cf::NOW	140	=item $cf::NOW
109		141
110	The time of the last (current) server tick.	142	The time of the last (current) server tick.
111		143
112	=item $cf::TICK	144	=item $cf::TICK
113		145
114	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.
115		157
116	=item %cf::CFG	158	=item %cf::CFG
117		159
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	161	from wherever your confdir points to.
120		162
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		164
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		168
128	=back	169	=back
129		170
130	=cut	171	=cut
131		172
132	BEGIN {	173	BEGIN {
133	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	175	my $msg = join "", @_;
135	utf8::encode $msg;
136		176
137	$msg .= "\n"	177	$msg .= "\n"
138	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
139		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
140	LOG llevError, $msg;	183	LOG llevError, $msg;
141	};	184	};
142	}	185	}
143		186
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		194
151	# 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
152	# within the Safe compartment.	196	# within the Safe compartment.
153	for my $pkg (qw(	197	for my $pkg (qw(
154	cf::global cf::attachable	198	cf::global cf::attachable
…		…
190	$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;
191	$d	235	$d
192	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
193	}	237	}
194		238
195	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
196		240
197	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
198		242
199	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
200		244
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
209		246
210	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
211
212	=cut
213
214	sub to_json($) {
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
216	JSON::Syck::Dump $_[0]
217	}
218		248
219	=item cf::lock_wait $string	249	=item cf::lock_wait $string
220		250
221	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
222		252
…		…
228	returned.	258	returned.
229		259
230	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
231	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
232		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
233	=cut	267	=cut
234		268
235	our %LOCK;	269	our %LOCK;
236		270
237	sub lock_wait($) {	271	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
258	}	292	}
259	}	293	}
260		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
261	sub freeze_mainloop {	301	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
263		303
264	my $guard = Coro::guard {	304	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	305	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	306	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
270	$guard	308	$guard
271	}	309	}
272		310
273	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
295		333
296	sub sync_job(&) {	334	sub sync_job(&) {
297	my ($job) = @_;	335	my ($job) = @_;
298		336
299	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
300	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
302		342
303	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
315		355
316	while ($busy) {	356	while ($busy) {
317	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
318	}	358	}
319		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
320	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
321	} else {	368	} else {
322	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
323		370
324	$job->()	371	$job->()
…		…
344		391
345	$coro	392	$coro
346	}	393	}
347		394
348	sub write_runtime {	395	sub write_runtime {
349	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";
350		404
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352	or return;	406	or return;
353		407
		408	my $value = $cf::RUNTIME + 90 + 10;
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;	413	and return;
357		414
		415	# always fsync - this file is important
358	aio_fsync $fh	416	aio_fsync $fh
359	and return;	417	and return;
360		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
361	close $fh	422	close $fh
362	or return;	423	or return;
363		424
364	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
365	and return;	426	and return;
366		427
		428	warn "runtime file written.\n";
		429
367	1	430	1
		431	}
		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	442	}
369		443
370	=back	444	=back
371		445
372	=cut	446	=cut
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
553		627
554	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		632
559	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	634	my $pkg = shift @arg;
561		635
562	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
603	if (ref $_[0]) {	677	if (ref $_[0]) {
604	_object_attach @_;	678	_object_attach @_;
605	} else {	679	} else {
606	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
607	}	681	}
		682	_recalc_want;
608	};	683	};
609		684
610	# all those should be optimised	685	# all those should be optimised
611	sub cf::attachable::detach {	686	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
616	reattach ($obj);	691	reattach ($obj);
617	} else {	692	} else {
618	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
619	}	694	}
		695	_recalc_want;
620	};	696	};
621		697
622	sub cf::attachable::attached {	698	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
624		700
…		…
747	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
748		824
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	829	close $fh;
754		830
755	if (@$objs) {	831	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	837	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
763	}	839	}
764	} else {	840	} else {
765	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
797	or return;	873	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
799	}	875	}
800		876
801	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	879	return ($data, $av);
804	}	880	}
805		881
806	#############################################################################	882	#############################################################################
807	# command handling &c	883	# command handling &c
…		…
934	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
935		1011
936	=cut	1012	=cut
937		1013
938	sub playerdir($) {	1014	sub playerdir($) {
939	cf::localdir	1015	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1017	}
945		1018
946	sub path($) {	1019	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1021
949	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
950	}	1023	}
951		1024
952	sub find_active($) {	1025	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
957		1030
958	sub exists($) {	1031	sub exists($) {
959	my ($login) = @_;	1032	my ($login) = @_;
960		1033
961	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
963	}	1036	}
964		1037
965	sub find($) {	1038	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1040	my $login = $_[0];
968		1041
969	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
970		1043
971	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
972	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
973	or return;	1053	or return;
974	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
975	}	1055	}
976	}	1056	}
…		…
1013		1093
1014	=cut	1094	=cut
1015		1095
1016	sub quit_character {	1096	sub quit_character {
1017	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1018		1100
1019	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1103
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1032	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1033	}	1135	}
1034		1136
1035	=item cf::player::list_logins	1137	=item cf::player::list_logins
1036		1138
1037	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1039		1141
1040	=cut	1142	=cut
1041		1143
1042	sub list_logins {	1144	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1146	or return [];
1045		1147
1046	my @logins;	1148	my @logins;
1047		1149
1048	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1065	=cut	1167	=cut
1066		1168
1067	sub maps($) {	1169	sub maps($) {
1068	my ($pl) = @_;	1170	my ($pl) = @_;
1069		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
		1173
1070	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1071	or return;	1175	or return;
1072		1176
1073	my @paths;	1177	my @paths;
1074		1178
1075	for (@$files) {	1179	for (@$files) {
1076	utf8::decode $_;	1180	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1079		1183
1080	s/\.map$//;	1184	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1185	}
1083		1186
1084	\@paths	1187	\@paths
1085	}	1188	}
1086		1189
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1088		1191
1089	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1090		1193
1091	=cut	1194	=cut
1092		1195
1093	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1095		1198
1096	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1097		1200
1098	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1099	}	1202	}
1100		1203
1101	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1102		1244
1103	=back	1245	=back
1104
1105		1246
1106	=head3 cf::map	1247	=head3 cf::map
1107		1248
1108	=over 4	1249	=over 4
1109		1250
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1280	)
1140	}	1281	}
1141		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
1142	sub register {	1291	sub register {
1143	my (undef, $regex) = @_;	1292	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1293	my $pkg = caller;
1145		1294
1146	no strict;	1295	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1296	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1297
1149	$EXT_MAP{$pkg} = qr<$regex>;	1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1299	}
1151		1300
1152	# also paths starting with '/'	1301	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1303
1155	sub thawer_merge {	1304	sub thawer_merge {
1156	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1157		1306
1158	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1159	local $self->{path};	1308	local $self->{path};
1160	local $self->{load_path};	1309	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1310
1164	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1165	}	1312	}
1166		1313
1167	sub normalise {	1314	sub normalise {
1168	my ($path, $base) = @_;	1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1169		1320
1170	# map plan:	1321	# map plan:
1171	#	1322	#
1172	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1201		1352
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1354
1204	$path = normalise $path, $base;	1355	$path = normalise $path, $base;
1205		1356
1206	for my $pkg (keys %EXT_MAP) {	1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1359	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1360	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1361	$self->init; # pass $1 etc.
1211	return $self;	1362	return $self;
1212	}	1363	}
1213	}	1364	}
1214		1365
1215	Carp::carp "unable to resolve path '$path'.";	1366	Carp::carp "unable to resolve path '$path' (base '$base').";
1216	()	1367	()
1217	}	1368	}
1218		1369
1219	sub init {	1370	sub init {
1220	my ($self) = @_;	1371	my ($self) = @_;
…		…
1235		1386
1236	# the original (read-only) location	1387	# the original (read-only) location
1237	sub load_path {	1388	sub load_path {
1238	my ($self) = @_;	1389	my ($self) = @_;
1239		1390
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1241	}	1392	}
1242		1393
1243	# the temporary/swap location	1394	# the temporary/swap location
1244	sub save_path {	1395	sub save_path {
1245	my ($self) = @_;	1396	my ($self) = @_;
1246		1397
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1249	}	1400	}
1250		1401
1251	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1252	sub uniq_path {	1403	sub uniq_path {
1253	my ($self) = @_;	1404	my ($self) = @_;
1254		1405
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1257	}	1408	}
1258		1409
1259	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1260	# all maps in C++...	1411	# all maps in C++...
1261	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1263		1414
1264	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1266	}	1417	}
1267		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1268	sub unlink_save {	1427	sub unlink_save {
1269	my ($self) = @_;	1428	my ($self) = @_;
1270		1429
1271	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1434
1276	sub load_header_from($) {	1435	sub load_header_from($) {
1277	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1278		1437
1279	utf8::encode $path;	1438	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1281	or return;	1440	# or return;
1282		1441
1283	$self->_load_header ($path)	1442	$self->_load_header ($path)
1284	or return;	1443	or return;
1285		1444
1286	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
1287		1446
1288	1	1447	1
1289	}	1448	}
1290		1449
1291	sub load_orig {	1450	sub load_header_orig {
1292	my ($self) = @_;	1451	my ($self) = @_;
1293		1452
1294	$self->load_header_from ($self->load_path)	1453	$self->load_header_from ($self->load_path)
1295	}	1454	}
1296		1455
1297	sub load_temp {	1456	sub load_header_temp {
1298	my ($self) = @_;	1457	my ($self) = @_;
1299		1458
1300	$self->load_header_from ($self->save_path)	1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
1301	}	1479	}
1302		1480
1303	sub load_header {	1481	sub load_header {
1304	my ($self) = @_;	1482	my ($self) = @_;
1305		1483
1306	if ($self->load_temp) {	1484	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1485	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1486	} else {
1313	$self->load_orig	1487	$self->load_header_orig
1314	or return;	1488	or return;
1315		1489	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1490	}
		1491
		1492	$self->{deny_reset} = 1
		1493	if $self->no_reset;
		1494
		1495	$self->default_region (cf::region::find_by_path $self->{path})
		1496	unless $self->default_region;
1321		1497
1322	1	1498	1
1323	}	1499	}
1324		1500
1325	sub find;	1501	sub find;
…		…
1338	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1339		1515
1340	$map->load_header	1516	$map->load_header
1341	or return;	1517	or return;
1342		1518
1343	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1345	$map->reset;	1522	$map->reset;
1346	undef $guard;	1523	undef $guard;
1347	$map = find $path	1524	return find $path;
1348	or return;
1349	}	1525	}
1350		1526
1351	$cf::MAP{$path} = $map	1527	$cf::MAP{$path} = $map
1352	}	1528	}
1353	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1354		1533
1355	sub load {	1534	sub load {
1356	my ($self) = @_;	1535	my ($self) = @_;
1357		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1358	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1360		1543
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1545
1363	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1364		1547
1365	$self->alloc;	1548	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)
1367	or return;
1368		1549
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1550	$self->pre_load;
1370	if delete $self->{load_original};
1371
1372	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {
1375	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);
1377	}
1378	}
1379
1380	Coro::cede;
1381
1382	# now do the right thing for maps
1383	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;	1551	Coro::cede;
1390	$self->set_darkness_map;	1552
		1553	$self->_load_objects ($self->{load_path}, 1)
		1554	or return;
		1555
		1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1557	if delete $self->{load_original};
		1558
		1559	if (my $uniq = $self->uniq_path) {
		1560	utf8::encode $uniq;
		1561	if (aio_open $uniq, O_RDONLY, 0) {
		1562	$self->clear_unique_items;
		1563	$self->_load_objects ($uniq, 0);
		1564	}
		1565	}
		1566
		1567	Coro::cede;
		1568	# now do the right thing for maps
		1569	$self->link_multipart_objects;
1391	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1571	unless $self->difficulty;
1393	Coro::cede;	1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1394	$self->activate;	1581	$self->activate;
1395	}	1582	}
1396		1583
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
1398	}	1588	}
1399		1589
1400	sub customise_for {	1590	sub customise_for {
1401	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1402		1592
1403	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1405		1598
1406	$self	1599	$self
1407	}	1600	}
1408		1601
1409	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
…		…
1441		1634
1442	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1443	}	1636	}
1444		1637
1445	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		1640
1459	sub find_async {	1641	sub find_async {
1460	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1461		1643
1462	$path = normalise $path, $origin && $origin->{path};	1644	$path = normalise $path, $origin && $origin->{path};
1463		1645
1464	if (my $map = $cf::MAP{$path}) {	1646	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1466	}	1648	}
1467		1649
1468	$MAP_PREFETCH{$path} = 0;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1469	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1470		1664
1471	()	1665	()
1472	}	1666	}
1473		1667
1474	sub save {	1668	sub save {
…		…
1519		1713
1520	sub reset_at {	1714	sub reset_at {
1521	my ($self) = @_;	1715	my ($self) = @_;
1522		1716
1523	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1526		1719
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		1722
…		…
1540	my ($self) = @_;	1733	my ($self) = @_;
1541		1734
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		1736
1544	return if $self->players;	1737	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		1738
1547	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1548		1750
1549	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1550		1752
1551	$self->in_memory (cf::MAP_SWAPPED);
1552	$self->clear;	1753	$self->clear;
1553		1754
1554	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1555		1756
1556	$self->unlink_save;	1757	$self->unlink_save;
…		…
1575	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1576		1777
1577	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1578	}	1779	}
1579		1780
		1781	=item $maps = cf::map::tmp_maps
		1782
		1783	Returns an arrayref with all map paths of currently instantiated and saved
		1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
		1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
		1815	}
		1816
1580	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1581		1818
1582	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	1820	instantiated unique items. May block.
1584		1821
1585	=cut	1822	=cut
1586		1823
1587	sub unique_maps() {	1824	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1589	or return;	1826	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	1827	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	1828	/\.map$/
1599	push @paths, $_;	1829	? normalise $_
		1830	: ()
		1831	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	1832	]
1601
1602	\@paths
1603	}	1833	}
1604		1834
1605	package cf;	1835	package cf;
1606		1836
1607	=back	1837	=back
…		…
1698	=cut	1928	=cut
1699		1929
1700	sub link_map {	1930	sub link_map {
1701	unless ($LINK_MAP) {	1931	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	1932	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	1934	$LINK_MAP->load;
1705	}	1935	}
1706		1936
1707	$LINK_MAP	1937	$LINK_MAP
1708	}	1938	}
…		…
1713	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1714		1944
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		1946
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1719		1949
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	1951	}
1722		1952
1723	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1725		1957
1726	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1727		1959
1728	unless ($map) {	1960	unless ($map) {
1729	# restore original map position	1961	# restore original map position
…		…
1747	$map->load;	1979	$map->load;
1748	$map->load_diag;	1980	$map->load_diag;
1749		1981
1750	return unless $self->contr->active;	1982	return unless $self->contr->active;
1751	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1753	}	1987	}
1754		1988
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1788		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1789	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1790		1999
1791	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
		2002
		2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2005
1794	$self->enter_link;	2006	$self->enter_link;
1795		2007
1796	(async {	2008	(async {
		2009	my $map = eval {
1797	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
1799		2014	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2015	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
1804		2018
		2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
		2025	}
		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1806	})->prio (1);	2031	})->prio (1);
1807	}	2032	}
1808		2033
1809	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1810		2035
…		…
1812		2037
1813	sub parse_random_map_params {	2038	sub parse_random_map_params {
1814	my ($spec) = @_;	2039	my ($spec) = @_;
1815		2040
1816	my $rmp = { # defaults	2041	my $rmp = { # defaults
1817	xsize => -1,	2042	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
1819	};	2046	};
1820		2047
1821	for (split /\n/, $spec) {	2048	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2049	my ($k, $v) = split /\s+/, $_, 2;
1823		2050
…		…
1837	# that depends on the exit object	2064	# that depends on the exit object
1838		2065
1839	my $rmp = parse_random_map_params $exit->msg;	2066	my $rmp = parse_random_map_params $exit->msg;
1840		2067
1841	if ($exit->map) {	2068	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2069	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2070	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2071	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2072	$rmp->{origin_y} = $exit->y;
1846	}	2073	}
1847		2074
1848	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1849		2076
1850	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2079	my $meta = "$RANDOMDIR/$md5.meta";
1853		2080
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2083	undef $fh;
1857	aio_rename "$meta~", $meta;	2084	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2091	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2092	my ($self, $exit) = @_;
1866		2093
1867	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
1868		2095
		2096	if ($exit->slaying eq "/!") {
		2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
		2100	cf::sync_job { prepare_random_map $exit };
		2101	}
		2102
		2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2104	my $hp = $exit->stats->hp;
		2105	my $sp = $exit->stats->sp;
		2106
1869	$self->enter_link;	2107	$self->enter_link;
1870		2108
1871	(async {	2109	(async {
1872	$self->deactivate_recursive; # just to be sure	2110	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2111	unless (eval {
1874	prepare_random_map $exit	2112	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2113
1880	1;	2114	1;
1881	}) {	2115	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2120
1887	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2122	$self->leave_link;
1889	}	2123	}
1890	})->prio (1);	2124	})->prio (1);
…		…
1903		2137
1904	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1906		2140
1907	utf8::encode $text;	2141	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2143	}
1910		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1911		2157
1912	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1913		2159
1914	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1944	# get handled first	2190	# get handled first
1945	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2193
1948	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2196
1950	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1951		2198
1952	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2200	if (@$queue) {
…		…
2011		2258
2012	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2013		2260
2014	=pod	2261	=pod
2015		2262
2016	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2017		2264
2018	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2019	cf::object::player player	2266	cf::object::player player
2020	cf::player peaceful	2267	cf::player peaceful
2021	cf::map trigger	2268	cf::map trigger
…		…
2106	#############################################################################	2353	#############################################################################
2107		2354
2108	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2109		2356
2110	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2111	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2112	excludes objects.	2359	convert to/from binary).
2113		2360
2114	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2115	using it, it should be unique.	2362	using it, it should be unique.
2116		2363
2117	=over 4	2364	=over 4
2118		2365
2119	=item $hashref = cf::db_get $family
2120
2121	Return a hashref for use by the extension C<$family>, which can be
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124
2125	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2126		2367
2127	Returns a single value from the database	2368	Returns a single value from the database.
2128
2129	=item cf::db_put $family => $hashref
2130
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133		2369
2134	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2135		2371
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146		2373
2147	=cut	2374	=cut
2148		2375
2149	our $DB;	2376	our $DB;
2150		2377
2151	{	2378	sub db_init {
2152	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2153		2381
2154	sub db_load() {	2382	cf::sync_job {
2155	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2156	}	2384	$DB->set_flags (BDB::CHKSUM);
2157		2385
2158	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2159		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2160	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2161	waitpid $pid, 0 if $pid;	2389	};
2162	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}	2391	};
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	2392	}
		2393	}
2180		2394
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}
2185
2186	sub db_get($;$) {	2395	sub db_get($$) {
2187	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2192	sub db_put($$;$) {	2406	sub db_put($$$) {
2193	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2194	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2195	} else {	2409	}
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200		2410
2201	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2202	prio => 10000,	2412
2203	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2204	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2205	},	2443	}
2206	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2207	}	2523	}
2208		2524
2209	#############################################################################	2525	#############################################################################
2210	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2211		2615
2212	sub cfg_load {	2616	sub cfg_load {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	2618	or return;
2215		2619
2216	local $/;	2620	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2218		2622
…		…
2238	Event::one_event;	2642	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	2643	})->prio (Coro::PRIO_MAX);
2240	};	2644	};
2241		2645
2242	cfg_load;	2646	cfg_load;
2243	db_load;	2647	db_init;
2244	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
2245	Event::loop;	2651	Event::loop;
2246	}	2652	}
2247		2653
2248	#############################################################################	2654	#############################################################################
2249	# initialisation and cleanup	2655	# initialisation and cleanup
2250		2656
2251	# install some emergency cleanup handlers	2657	# install some emergency cleanup handlers
2252	BEGIN {	2658	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	2659	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	2660	Event->signal (
		2661	reentrant => 0,
2255	data => WF_AUTOCANCEL,	2662	data => WF_AUTOCANCEL,
2256	signal => $signal,	2663	signal => $signal,
		2664	prio => 0,
2257	cb => sub {	2665	cb => sub {
2258	cf::cleanup "SIG$signal";	2666	cf::cleanup "SIG$signal";
2259	},	2667	},
2260	);	2668	);
2261	}	2669	}
2262	}	2670	}
…		…
2283	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	2692	$map->valid or next;
2285	$map->save;	2693	$map->save;
2286	}	2694	}
2287	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2288	};	2700	};
2289		2701
2290	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2291	}	2703	}
2292		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2293	sub reload() {	2712	sub do_reload_perl() {
2294	# can/must only be called in main	2713	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	2715	warn "can only reload from main coroutine";
2297	return;	2716	return;
2298	}	2717	}
2299		2718
2300	warn "reloading...";	2719	warn "reloading...";
2301		2720
2302	warn "freezing server";	2721	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2305		2727
2306	warn "sync database to disk";	2728	warn "syncing database to disk";
2307	cf::db_sync;	2729	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		2730
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2312		2732
2313	warn "cancel all watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	2736	}
2317		2737
		2738	warn "flushing outstanding aio requests";
		2739	for (;;) {
		2740	BDB::flush;
		2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
2318	warn "cancel all extension coros";	2749	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	2751	%EXT_CORO = ();
2321		2752
2322	warn "remove commands";	2753	warn "removing commands";
2323	%COMMAND = ();	2754	%COMMAND = ();
2324		2755
2325	warn "remove ext commands";	2756	warn "removing ext commands";
2326	%EXTCMD = ();	2757	%EXTCMD = ();
2327		2758
2328	warn "unload/nuke all extensions";	2759	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	2760	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	2761	warn "... unloading $pkg";
2331		2762
2332	if (my $cb = $pkg->can ("unload")) {	2763	if (my $cb = $pkg->can ("unload")) {
2333	eval {	2764	eval {
…		…
2338		2769
2339	warn "... nuking $pkg";	2770	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	2771	Symbol::delete_package $pkg;
2341	}	2772	}
2342		2773
2343	warn "unload all perl modules loaded from $LIBDIR";	2774	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		2777
2347	warn "removing <$k>";	2778	warn "... unloading $k";
2348	delete $INC{$k};	2779	delete $INC{$k};
2349		2780
2350	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
2352		2783
…		…
2355	}	2786	}
2356		2787
2357	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
2358	}	2789	}
2359		2790
2360	warn "get rid of safe::, as good as possible";	2791	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2794
2364	warn "unload cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2366		2798
2367	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2368	# and global variables created in xs	2800	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2370		2802
		2803	warn "unload completed, starting to reload now";
		2804
2371	warn "reloading cf.pm";	2805	warn "reloading cf.pm";
2372	require cf;	2806	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		2808
2375	warn "load config and database again";	2809	warn "loading config and database again";
2376	cf::cfg_load;	2810	cf::cfg_load;
2377	cf::db_load;
2378		2811
2379	warn "load extensions";	2812	warn "loading extensions";
2380	cf::load_extensions;	2813	cf::load_extensions;
2381		2814
2382	warn "reattach attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2383	_global_reattach;	2816	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	2817	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2386	};	2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2387		2821
2388	if ($@) {	2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
2389	warn $@;	2826	warn $@;
2390	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2391	exit 1;	2828	exit 1;
2392	}	2829	};
2393		2830
2394	warn "reloaded";	2831	warn "reloaded";
2395	};	2832	};
2396		2833
2397	our $RELOAD_WATCHER; # used only during reload	2834	our $RELOAD_WATCHER; # used only during reload
2398		2835
		2836	sub reload_perl() {
		2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
		2839
		2840	$RELOAD_WATCHER ||= Event->timer (
		2841	reentrant => 0,
		2842	after => 0,
		2843	data => WF_AUTOCANCEL,
		2844	cb => sub {
		2845	do_reload_perl;
		2846	undef $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2399	register_command "reload" => sub {	2851	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2401		2853
2402	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	2855	$who->message ("reloading server.");
2404		2856	async { reload_perl };
2405	# doing reload synchronously and two reloads happen back-to-back,
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;
2410	undef $RELOAD_WATCHER;
2411	});
2412	}	2857	}
2413	};	2858	};
2414		2859
2415	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2416		2861
		2862	my $bug_warning = 0;
		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2417	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	2888	reentrant => 0,
		2889	parked => 1,
2419	prio => 0,	2890	prio => 0,
2420	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	2892	data => WF_AUTOCANCEL,
2422	cb => sub {	2893	cb => sub {
		2894	if ($Coro::current != $Coro::main) {
		2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2896	unless ++$bug_warning > 10;
		2897	return;
		2898	}
		2899
2423	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2424		2901
2425	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2426	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2428		2929
2429	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2932	Coro::async_pool {
		2933	write_runtime
		2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
		2936	}
		2937
		2938	# my $AFTER = Event::time;
		2939	# warn $AFTER - $NOW;#d#
		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
2431		2949
2432	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		2952
2435	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2437	},	2962	},
2438	);	2963	);
2439		2964
		2965	{
		2966	BDB::max_poll_time $TICK * 0.1;
		2967	$BDB_POLL_WATCHER = Event->io (
		2968	reentrant => 0,
		2969	fd => BDB::poll_fileno,
		2970	poll => 'r',
		2971	prio => 0,
		2972	data => WF_AUTOCANCEL,
		2973	cb => \&BDB::poll_cb,
		2974	);
		2975	BDB::min_parallel 8;
		2976
		2977	BDB::set_sync_prepare {
		2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
		3011	};
		3012	}
		3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3019	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3020	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3021	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3022	data => WF_AUTOCANCEL,
2452	after => 0,	3023	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3024	poll => 'r',
2454	cb => sub {	3025	prio => 6,
2455	(Coro::unblock_sub {	3026	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3027	);
2457	or warn "ERROR: unable to write runtime file: $!";	3028	}
		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
2458	})->();	3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3065	}
2460	);	3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2461		3070
2462	END { cf::emergency_save }	3071	END { cf::emergency_save }
2463		3072
2464	1	3073	1
2465		3074

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