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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.276 by root, Sun Jun 10 04:05:47 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.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
		1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
		1798
1580	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1581		1800
1582	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	1802	instantiated unique items. May block.
1584		1803
1585	=cut	1804	=cut
1586		1805
1587	sub unique_maps() {	1806	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1589	or return;	1808	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	1809	utf8::decode $_;
1595	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1596	next unless /^$PATH_SEP/o;	1811	? normalise $_
1597		1812	: ()
1598	s/\.map$//;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1599	push @paths, $_;
1600	}	1814	]
1601
1602	\@paths
1603	}	1815	}
1604		1816
1605	package cf;	1817	package cf;
1606		1818
1607	=back	1819	=back
…		…
1698	=cut	1910	=cut
1699		1911
1700	sub link_map {	1912	sub link_map {
1701	unless ($LINK_MAP) {	1913	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	1914	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1915	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	1916	$LINK_MAP->load;
1705	}	1917	}
1706		1918
1707	$LINK_MAP	1919	$LINK_MAP
1708	}	1920	}
…		…
1713	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1714		1926
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		1928
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1719		1931
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	1933	}
1722		1934
1723	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1725		1939
1726	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1727		1941
1728	unless ($map) {	1942	unless ($map) {
1729	# restore original map position	1943	# restore original map position
…		…
1747	$map->load;	1961	$map->load;
1748	$map->load_diag;	1962	$map->load_diag;
1749		1963
1750	return unless $self->contr->active;	1964	return unless $self->contr->active;
1751	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1753	}	1969	}
1754		1970
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)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1788		1972
		1973	Moves the player to the given map-path and coordinates by first freezing
		1974	her, loading and preparing them map, calling the provided $check callback
		1975	that has to return the map if sucecssful, and then unfreezes the player on
		1976	the new (success) or old (failed) map position.
		1977
1789	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1790		1981
1791	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y, $check) = @_;
		1984
		1985	# do generation counting so two concurrent goto's will be executed in-order
		1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		1987
1794	$self->enter_link;	1988	$self->enter_link;
1795		1989
1796	(async {	1990	(async {
		1991	my $map = eval {
1797	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
1799		1996	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	1997	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1999	}
1804		2000
		2001	$map
		2002	};
		2003
		2004	if ($@) {
		2005	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2006	LOG llevError | logBacktrace, Carp::longmess $@;
		2007	}
		2008
		2009	if ($gen == $self->{_goto_generation}) {
		2010	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1806	})->prio (1);	2013	})->prio (1);
1807	}	2014	}
1808		2015
1809	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1810		2017
…		…
1812		2019
1813	sub parse_random_map_params {	2020	sub parse_random_map_params {
1814	my ($spec) = @_;	2021	my ($spec) = @_;
1815		2022
1816	my $rmp = { # defaults	2023	my $rmp = { # defaults
1817	xsize => -1,	2024	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2025	ysize => (cf::rndm 15, 40),
		2026	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2027	#layout => string,
1819	};	2028	};
1820		2029
1821	for (split /\n/, $spec) {	2030	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2031	my ($k, $v) = split /\s+/, $_, 2;
1823		2032
…		…
1827	$rmp	2036	$rmp
1828	}	2037	}
1829		2038
1830	sub prepare_random_map {	2039	sub prepare_random_map {
1831	my ($exit) = @_;	2040	my ($exit) = @_;
		2041
		2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
1832		2043
1833	# all this does is basically replace the /! path by	2044	# all this does is basically replace the /! path by
1834	# a new random map path (?random/...) with a seed	2045	# a new random map path (?random/...) with a seed
1835	# that depends on the exit object	2046	# that depends on the exit object
1836		2047
1837	my $rmp = parse_random_map_params $exit->msg;	2048	my $rmp = parse_random_map_params $exit->msg;
1838		2049
1839	if ($exit->map) {	2050	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2051	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2052	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2053	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2054	$rmp->{origin_y} = $exit->y;
1844	}	2055	}
1845		2056
1846	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1847		2058
1848	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1849	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1851		2062
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2065	undef $fh;
1855	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1862	sub cf::object::player::enter_exit {	2073	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2074	my ($self, $exit) = @_;
1864		2075
1865	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1866		2077
		2078	if ($exit->slaying eq "/!") {
		2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2080	# the problem is that $exit might not survive long enough
		2081	# so it needs to be done right now, right here
		2082	cf::sync_job { prepare_random_map $exit };
		2083	}
		2084
		2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2086	my $hp = $exit->stats->hp;
		2087	my $sp = $exit->stats->sp;
		2088
1867	$self->enter_link;	2089	$self->enter_link;
1868		2090
1869	(async {	2091	(async {
1870	$self->deactivate_recursive; # just to be sure	2092	$self->deactivate_recursive; # just to be sure
1871	unless (eval {	2093	unless (eval {
1872	prepare_random_map $exit	2094	$self->goto ($slaying, $hp, $sp);
1873	if $exit->slaying eq "/!";
1874
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1877		2095
1878	1;	2096	1;
1879	}) {	2097	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1881	. "I'll try to bring you back to the map you were before. "	2099	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2102
1885	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1886	$self->leave_link;	2104	$self->leave_link;
1887	}	2105	}
1888	})->prio (1);	2106	})->prio (1);
…		…
1901		2119
1902	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1904		2122
1905	utf8::encode $text;	2123	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	2125	}
1908		2126
		2127	=item $client->ext_event ($type, %msg)
		2128
		2129	Sends an exti event to the client.
		2130
		2131	=cut
		2132
		2133	sub cf::client::ext_event($$%) {
		2134	my ($self, $type, %msg) = @_;
		2135
		2136	$msg{msgtype} = "event_$type";
		2137	$self->send_packet ("ext " . cf::to_json \%msg);
		2138	}
1909		2139
1910	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1911		2141
1912	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1942	# get handled first	2172	# get handled first
1943	my $queue = delete $ns->{query_queue}	2173	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	2174	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		2175
1946	(shift @$queue)->[1]->($msg);	2176	(shift @$queue)->[1]->($msg);
		2177	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		2178
1948	push @{ $ns->{query_queue} }, @$queue;	2179	push @{ $ns->{query_queue} }, @$queue;
1949		2180
1950	if (@{ $ns->{query_queue} } == @$queue) {	2181	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	2182	if (@$queue) {
…		…
2009		2240
2010	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2011		2242
2012	=pod	2243	=pod
2013		2244
2014	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2015		2246
2016	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2017	cf::object::player player	2248	cf::object::player player
2018	cf::player peaceful	2249	cf::player peaceful
2019	cf::map trigger	2250	cf::map trigger
…		…
2104	#############################################################################	2335	#############################################################################
2105		2336
2106	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2107		2338
2108	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2109	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2110	excludes objects.	2341	convert to/from binary).
2111		2342
2112	The parameter C<$family> should best start with the name of the extension	2343	The parameter C<$family> should best start with the name of the extension
2113	using it, it should be unique.	2344	using it, it should be unique.
2114		2345
2115	=over 4	2346	=over 4
2116		2347
2117	=item $hashref = cf::db_get $family
2118
2119	Return a hashref for use by the extension C<$family>, which can be
2120	modified. After modifications, you have to call C<cf::db_dirty> or
2121	C<cf::db_sync>.
2122
2123	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2124		2349
2125	Returns a single value from the database	2350	Returns a single value from the database.
2126
2127	=item cf::db_put $family => $hashref
2128
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131		2351
2132	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2133		2353
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144		2355
2145	=cut	2356	=cut
2146		2357
2147	our $DB;	2358	our $DB;
2148		2359
2149	{	2360	sub db_init {
2150	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2151		2363
2152	sub db_load() {	2364	cf::sync_job {
2153	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2154	}	2366	$DB->set_flags (BDB::CHKSUM);
2155		2367
2156	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2157		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2158	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2159	waitpid $pid, 0 if $pid;	2371	};
2160	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}	2373	};
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	2374	}
		2375	}
2178		2376
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}
2183
2184	sub db_get($;$) {	2377	sub db_get($$) {
2185	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2190	sub db_put($$;$) {	2388	sub db_put($$$) {
2191	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2192	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2193	} else {	2391	}
2194	$DB->{$_[0]} = $_[1];
2195	}
2196	db_dirty;
2197	}
2198		2392
2199	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2200	prio => 10000,	2394
2201	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2202	db_sync;	2396	caching and regenerating as required.
		2397
		2398	This function can block.
		2399
		2400	=cut
		2401
		2402	sub cache {
		2403	my ($id, $src, $processversion, $process) = @_;
		2404
		2405	my $meta =
		2406	join "\x00",
		2407	$processversion,
		2408	map {
		2409	aio_stat $_
		2410	and Carp::croak "$_: $!";
		2411
		2412	($_, (stat _)[7,9])
		2413	} @$src;
		2414
		2415	my $dbmeta = db_get cache => "$id/meta";
		2416	if ($dbmeta ne $meta) {
		2417	# changed, we may need to process
		2418
		2419	my @data;
		2420	my $md5;
		2421
		2422	for (0 .. $#$src) {
		2423	0 <= aio_load $src->[$_], $data[$_]
		2424	or Carp::croak "$src->[$_]: $!";
2203	},	2425	}
2204	);	2426
		2427	# if processing is expensive, check
		2428	# checksum first
		2429	if (1) {
		2430	$md5 =
		2431	join "\x00",
		2432	$processversion,
		2433	map {
		2434	Coro::cede;
		2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2436	} 0.. $#$src;
		2437
		2438
		2439	my $dbmd5 = db_get cache => "$id/md5";
		2440	if ($dbmd5 eq $md5) {
		2441	db_put cache => "$id/meta", $meta;
		2442
		2443	return db_get cache => "$id/data";
		2444	}
		2445	}
		2446
		2447	my $t1 = Time::HiRes::time;
		2448	my $data = $process->(\@data);
		2449	my $t2 = Time::HiRes::time;
		2450
		2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2452
		2453	db_put cache => "$id/data", $data;
		2454	db_put cache => "$id/md5" , $md5;
		2455	db_put cache => "$id/meta", $meta;
		2456
		2457	return $data;
		2458	}
		2459
		2460	db_get cache => "$id/data"
		2461	}
		2462
		2463	=item fork_call { }, $args
		2464
		2465	Executes the given code block with the given arguments in a seperate
		2466	process, returning the results. Everything must be serialisable with
		2467	Coro::Storable. May, of course, block. Note that the executed sub may
		2468	never block itself or use any form of Event handling.
		2469
		2470	=cut
		2471
		2472	sub fork_call(&@) {
		2473	my ($cb, @args) = @_;
		2474
		2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2476	# or die "socketpair: $!";
		2477	pipe my $fh1, my $fh2
		2478	or die "pipe: $!";
		2479
		2480	if (my $pid = fork) {
		2481	close $fh2;
		2482
		2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2484	$res = Coro::Storable::thaw $res;
		2485
		2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2487
		2488	die $$res unless "ARRAY" eq ref $res;
		2489
		2490	return wantarray ? @$res : $res->[-1];
		2491	} else {
		2492	reset_signals;
		2493	local $SIG{__WARN__};
		2494	local $SIG{__DIE__};
		2495	eval {
		2496	close $fh1;
		2497
		2498	my @res = eval { $cb->(@args) };
		2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2500	};
		2501
		2502	warn $@ if $@;
		2503	_exit 0;
		2504	}
2205	}	2505	}
2206		2506
2207	#############################################################################	2507	#############################################################################
2208	# the server's main()	2508	# the server's init and main functions
		2509
		2510	sub load_facedata($) {
		2511	my ($path) = @_;
		2512
		2513	warn "loading facedata from $path\n";
		2514
		2515	my $facedata;
		2516	0 < aio_load $path, $facedata
		2517	or die "$path: $!";
		2518
		2519	$facedata = Coro::Storable::thaw $facedata;
		2520
		2521	$facedata->{version} == 2
		2522	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2523
		2524	{
		2525	my $faces = $facedata->{faceinfo};
		2526
		2527	while (my ($face, $info) = each %$faces) {
		2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2532	Coro::cede;
		2533	}
		2534
		2535	while (my ($face, $info) = each %$faces) {
		2536	next unless $info->{smooth};
		2537	my $idx = cf::face::find $face
		2538	or next;
		2539	if (my $smooth = cf::face::find $info->{smooth}) {
		2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2541	} else {
		2542	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2543	}
		2544	Coro::cede;
		2545	}
		2546	}
		2547
		2548	{
		2549	my $anims = $facedata->{animinfo};
		2550
		2551	while (my ($anim, $info) = each %$anims) {
		2552	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2553	Coro::cede;
		2554	}
		2555
		2556	cf::anim::invalidate_all; # d'oh
		2557	}
		2558
		2559	1
		2560	}
		2561
		2562	sub reload_regions {
		2563	load_resource_file "$MAPDIR/regions"
		2564	or die "unable to load regions file\n";
		2565	}
		2566
		2567	sub reload_facedata {
		2568	load_facedata "$DATADIR/facedata"
		2569	or die "unable to load facedata\n";
		2570	}
		2571
		2572	sub reload_archetypes {
		2573	load_resource_file "$DATADIR/archetypes"
		2574	or die "unable to load archetypes\n";
		2575	}
		2576
		2577	sub reload_treasures {
		2578	load_resource_file "$DATADIR/treasures"
		2579	or die "unable to load treasurelists\n";
		2580	}
		2581
		2582	sub reload_resources {
		2583	warn "reloading resource files...\n";
		2584
		2585	reload_regions;
		2586	reload_facedata;
		2587	#reload_archetypes;#d#
		2588	reload_archetypes;
		2589	reload_treasures;
		2590
		2591	warn "finished reloading resource files\n";
		2592	}
		2593
		2594	sub init {
		2595	reload_resources;
		2596	}
2209		2597
2210	sub cfg_load {	2598	sub cfg_load {
2211	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2212	or return;	2600	or return;
2213		2601
2214	local $/;	2602	local $/;
2215	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2216		2604
…		…
2236	Event::one_event;	2624	Event::one_event;
2237	})->prio (Coro::PRIO_MAX);	2625	})->prio (Coro::PRIO_MAX);
2238	};	2626	};
2239		2627
2240	cfg_load;	2628	cfg_load;
2241	db_load;	2629	db_init;
2242	load_extensions;	2630	load_extensions;
		2631
		2632	$TICK_WATCHER->start;
2243	Event::loop;	2633	Event::loop;
2244	}	2634	}
2245		2635
2246	#############################################################################	2636	#############################################################################
2247	# initialisation and cleanup	2637	# initialisation and cleanup
2248		2638
2249	# install some emergency cleanup handlers	2639	# install some emergency cleanup handlers
2250	BEGIN {	2640	BEGIN {
2251	for my $signal (qw(INT HUP TERM)) {	2641	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	2642	Event->signal (
		2643	reentrant => 0,
2253	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2254	signal => $signal,	2645	signal => $signal,
		2646	prio => 0,
2255	cb => sub {	2647	cb => sub {
2256	cf::cleanup "SIG$signal";	2648	cf::cleanup "SIG$signal";
2257	},	2649	},
2258	);	2650	);
2259	}	2651	}
2260	}	2652	}
…		…
2281	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	2674	$map->valid or next;
2283	$map->save;	2675	$map->save;
2284	}	2676	}
2285	warn "end emergency map save\n";	2677	warn "end emergency map save\n";
		2678
		2679	warn "begin emergency database checkpoint\n";
		2680	BDB::db_env_txn_checkpoint $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2286	};	2682	};
2287		2683
2288	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2289	}	2685	}
2290		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2291	sub reload() {	2694	sub do_reload_perl() {
2292	# can/must only be called in main	2695	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	2697	warn "can only reload from main coroutine";
2295	return;	2698	return;
2296	}	2699	}
2297		2700
2298	warn "reloading...";	2701	warn "reloading...";
2299		2702
2300	warn "freezing server";	2703	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2302	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2303		2709
2304	warn "sync database to disk";	2710	warn "syncing database to disk";
2305	cf::db_sync;	2711	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		2712
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	2713	# if anything goes wrong in here, we should simply crash as we already saved
2310		2714
2311	warn "cancel all watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2312	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}	2718	}
2315		2719
		2720	warn "flushing outstanding aio requests";
		2721	for (;;) {
		2722	BDB::flush;
		2723	IO::AIO::flush;
		2724	Coro::cede;
		2725	last unless IO::AIO::nreqs || BDB::nreqs;
		2726	warn "iterate...";
		2727	}
		2728
		2729	++$RELOAD;
		2730
2316	warn "cancel all extension coros";	2731	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	2733	%EXT_CORO = ();
2319		2734
2320	warn "remove commands";	2735	warn "removing commands";
2321	%COMMAND = ();	2736	%COMMAND = ();
2322		2737
2323	warn "remove ext commands";	2738	warn "removing ext commands";
2324	%EXTCMD = ();	2739	%EXTCMD = ();
2325		2740
2326	warn "unload/nuke all extensions";	2741	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	2742	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	2743	warn "... unloading $pkg";
2329		2744
2330	if (my $cb = $pkg->can ("unload")) {	2745	if (my $cb = $pkg->can ("unload")) {
2331	eval {	2746	eval {
…		…
2336		2751
2337	warn "... nuking $pkg";	2752	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	2753	Symbol::delete_package $pkg;
2339	}	2754	}
2340		2755
2341	warn "unload all perl modules loaded from $LIBDIR";	2756	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	2757	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		2759
2345	warn "removing <$k>";	2760	warn "... unloading $k";
2346	delete $INC{$k};	2761	delete $INC{$k};
2347		2762
2348	$k =~ s/\.pm$//;	2763	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	2764	$k =~ s/\//::/g;
2350		2765
…		…
2353	}	2768	}
2354		2769
2355	Symbol::delete_package $k;	2770	Symbol::delete_package $k;
2356	}	2771	}
2357		2772
2358	warn "get rid of safe::, as good as possible";	2773	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		2776
2362	warn "unload cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2364		2780
2365	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2366	# and global variables created in xs	2782	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2368		2784
		2785	warn "unload completed, starting to reload now";
		2786
2369	warn "reloading cf.pm";	2787	warn "reloading cf.pm";
2370	require cf;	2788	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		2790
2373	warn "load config and database again";	2791	warn "loading config and database again";
2374	cf::cfg_load;	2792	cf::cfg_load;
2375	cf::db_load;
2376		2793
2377	warn "load extensions";	2794	warn "loading extensions";
2378	cf::load_extensions;	2795	cf::load_extensions;
2379		2796
2380	warn "reattach attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2381	_global_reattach;	2798	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	2799	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2384	};	2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2385		2803
2386	if ($@) {	2804	warn "leaving sync_job";
		2805
		2806	1
		2807	} or do {
2387	warn $@;	2808	warn $@;
2388	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2389	exit 1;	2810	exit 1;
2390	}	2811	};
2391		2812
2392	warn "reloaded";	2813	warn "reloaded";
2393	};	2814	};
2394		2815
2395	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2396		2817
		2818	sub reload_perl() {
		2819	# doing reload synchronously and two reloads happen back-to-back,
		2820	# coro crashes during coro_state_free->destroy here.
		2821
		2822	$RELOAD_WATCHER ||= Event->timer (
		2823	reentrant => 0,
		2824	after => 0,
		2825	data => WF_AUTOCANCEL,
		2826	cb => sub {
		2827	do_reload_perl;
		2828	undef $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2397	register_command "reload" => sub {	2833	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2399		2835
2400	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2402		2838	async { reload_perl };
2403	# doing reload synchronously and two reloads happen back-to-back,
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;
2408	undef $RELOAD_WATCHER;
2409	});
2410	}	2839	}
2411	};	2840	};
2412		2841
2413	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2414		2843
		2844	my $bug_warning = 0;
		2845
		2846	our @WAIT_FOR_TICK;
		2847	our @WAIT_FOR_TICK_BEGIN;
		2848
		2849	sub wait_for_tick {
		2850	return unless $TICK_WATCHER->is_active;
		2851	return if $Coro::current == $Coro::main;
		2852
		2853	my $signal = new Coro::Signal;
		2854	push @WAIT_FOR_TICK, $signal;
		2855	$signal->wait;
		2856	}
		2857
		2858	sub wait_for_tick_begin {
		2859	return unless $TICK_WATCHER->is_active;
		2860	return if $Coro::current == $Coro::main;
		2861
		2862	my $signal = new Coro::Signal;
		2863	push @WAIT_FOR_TICK_BEGIN, $signal;
		2864	$signal->wait;
		2865	}
		2866
		2867	my $min = 1e6;#d#
		2868	my $avg = 10;
2415	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2416	reentrant => 0,	2870	reentrant => 0,
		2871	parked => 1,
2417	prio => 0,	2872	prio => 0,
2418	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2420	cb => sub {	2875	cb => sub {
		2876	if ($Coro::current != $Coro::main) {
		2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2878	unless ++$bug_warning > 10;
		2879	return;
		2880	}
		2881
2421	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2422		2883
2423	cf::server_tick; # one server iteration	2884	cf::server_tick; # one server iteration
		2885
		2886	0 && sync_job {#d#
		2887	for(1..10) {
		2888	my $t = Event::time;
		2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2890	or die;
		2891
		2892	$map->width (50);
		2893	$map->height (50);
		2894	$map->alloc;
		2895	$map->_load_objects ("/tmp/x.map", 1);
		2896	my $t = Event::time - $t;
		2897
		2898	#next unless $t < 0.0013;#d#
		2899	if ($t < $min) {
		2900	$min = $t;
		2901	}
		2902	$avg = $avg * 0.99 + $t * 0.01;
		2903	}
		2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2905	exit 0;
		2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2907	};
		2908
2424	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2426		2911
2427	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2914	Coro::async_pool {
		2915	write_runtime
		2916	or warn "ERROR: unable to write runtime file: $!";
		2917	};
		2918	}
		2919
		2920	# my $AFTER = Event::time;
		2921	# warn $AFTER - $NOW;#d#
		2922
		2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2924	$sig->send;
		2925	}
		2926	while (my $sig = shift @WAIT_FOR_TICK) {
		2927	$sig->send;
		2928	}
		2929
		2930	$NOW = Event::time;
2429		2931
2430	# if we are delayed by four ticks or more, skip them all	2932	# if we are delayed by four ticks or more, skip them all
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2432		2934
2433	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;	2936	$TICK_WATCHER->start;
		2937
		2938	$LOAD = ($NOW - $tick_start) / $TICK;
		2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2940
		2941	_post_tick;
		2942
		2943
2435	},	2944	},
2436	);	2945	);
2437		2946
		2947	{
		2948	BDB::max_poll_time $TICK * 0.1;
		2949	$BDB_POLL_WATCHER = Event->io (
		2950	reentrant => 0,
		2951	fd => BDB::poll_fileno,
		2952	poll => 'r',
		2953	prio => 0,
		2954	data => WF_AUTOCANCEL,
		2955	cb => \&BDB::poll_cb,
		2956	);
		2957	BDB::min_parallel 8;
		2958
		2959	BDB::set_sync_prepare {
		2960	my $status;
		2961	my $current = $Coro::current;
		2962	(
		2963	sub {
		2964	$status = $!;
		2965	$current->ready; undef $current;
		2966	},
		2967	sub {
		2968	Coro::schedule while defined $current;
		2969	$! = $status;
		2970	},
		2971	)
		2972	};
		2973
		2974	unless ($DB_ENV) {
		2975	$DB_ENV = BDB::db_env_create;
		2976
		2977	cf::sync_job {
		2978	eval {
		2979	BDB::db_env_open
		2980	$DB_ENV,
		2981	$BDBDIR,
		2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2984	0666;
		2985
		2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2987
		2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2989	$DB_ENV->set_lk_detect;
		2990	};
		2991
		2992	cf::cleanup "db_env_open(db): $@" if $@;
		2993	};
		2994	}
		2995	}
		2996
		2997	{
		2998	IO::AIO::min_parallel 8;
		2999
		3000	undef $Coro::AIO::WATCHER;
2438	IO::AIO::max_poll_time $TICK * 0.2;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2439
2440	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,	3003	reentrant => 0,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2450	after => 0,	3005	fd => IO::AIO::poll_fileno,
2451	interval => 10,	3006	poll => 'r',
2452	cb => sub {	3007	prio => 6,
2453	(Coro::unblock_sub {	3008	cb => \&IO::AIO::poll_cb,
2454	write_runtime	3009	);
2455	or warn "ERROR: unable to write runtime file: $!";	3010	}
		3011
		3012	my $_log_backtrace;
		3013
		3014	sub _log_backtrace {
		3015	my ($msg, @addr) = @_;
		3016
		3017	$msg =~ s/\n//;
		3018
		3019	# limit the # of concurrent backtraces
		3020	if ($_log_backtrace < 2) {
		3021	++$_log_backtrace;
		3022	async {
		3023	my @bt = fork_call {
		3024	@addr = map { sprintf "%x", $_ } @addr;
		3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3027	or die "addr2line: $!";
		3028
		3029	my @funcs;
		3030	my @res = <$fh>;
		3031	chomp for @res;
		3032	while (@res) {
		3033	my ($func, $line) = splice @res, 0, 2, ();
		3034	push @funcs, "[$func] $line";
		3035	}
		3036
		3037	@funcs
		3038	};
		3039
		3040	LOG llevInfo, "[ABT] $msg\n";
		3041	LOG llevInfo, "[ABT] $_\n" for @bt;
		3042	--$_log_backtrace;
2456	})->();	3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
2457	},	3047	}
2458	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2459		3052
2460	END { cf::emergency_save }	3053	END { cf::emergency_save }
2461		3054
2462	1	3055	1
2463		3056

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