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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.174 by root, Sun Jan 14 19:55:37 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 3.3 ();	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
…		…
1121	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1123		1264
1124	sub generate_random_map {	1265	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1268	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1280	)
1141	}	1281	}
1142		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
1143	sub register {	1291	sub register {
1144	my (undef, $regex) = @_;	1292	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1293	my $pkg = caller;
1146		1294
1147	no strict;	1295	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1296	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1297
1150	$EXT_MAP{$pkg} = qr<$regex>;	1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1299	}
1152		1300
1153	# also paths starting with '/'	1301	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1303
1156	sub thawer_merge {	1304	sub thawer_merge {
1157	my ($self, $merge) = @_;	1305	my ($self, $merge) = @_;
1158		1306
1159	# we have to keep some variables in memory intact	1307	# we have to keep some variables in memory intact
1160	local $self->{path};	1308	local $self->{path};
1161	local $self->{load_path};	1309	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1310
1165	$self->SUPER::thawer_merge ($merge);	1311	$self->SUPER::thawer_merge ($merge);
1166	}	1312	}
1167		1313
1168	sub normalise {	1314	sub normalise {
1169	my ($path, $base) = @_;	1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
1170		1320
1171	# map plan:	1321	# map plan:
1172	#	1322	#
1173	# /! non-realised random map exit (special hack!)	1323	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1324	# {... are special paths that are not being touched
…		…
1202		1352
1203	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
1204		1354
1205	$path = normalise $path, $base;	1355	$path = normalise $path, $base;
1206		1356
1207	for my $pkg (keys %EXT_MAP) {	1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1359	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1360	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1361	$self->init; # pass $1 etc.
1212	return $self;	1362	return $self;
1213	}	1363	}
1214	}	1364	}
1215		1365
1216	Carp::carp "unable to resolve path '$path'.";	1366	Carp::carp "unable to resolve path '$path' (base '$base').";
1217	()	1367	()
1218	}	1368	}
1219		1369
1220	sub init {	1370	sub init {
1221	my ($self) = @_;	1371	my ($self) = @_;
…		…
1236		1386
1237	# the original (read-only) location	1387	# the original (read-only) location
1238	sub load_path {	1388	sub load_path {
1239	my ($self) = @_;	1389	my ($self) = @_;
1240		1390
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1391	"$MAPDIR/$self->{path}.map"
1242	}	1392	}
1243		1393
1244	# the temporary/swap location	1394	# the temporary/swap location
1245	sub save_path {	1395	sub save_path {
1246	my ($self) = @_;	1396	my ($self) = @_;
1247		1397
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1399	"$TMPDIR/$path.map"
1250	}	1400	}
1251		1401
1252	# the unique path, undef == no special unique path	1402	# the unique path, undef == no special unique path
1253	sub uniq_path {	1403	sub uniq_path {
1254	my ($self) = @_;	1404	my ($self) = @_;
1255		1405
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1407	"$UNIQUEDIR/$path"
1258	}	1408	}
1259		1409
1260	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1261	# all maps in C++...	1411	# all maps in C++...
1262	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1264		1414
1265	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1267	}	1417	}
1268		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
1269	sub unlink_save {	1427	sub unlink_save {
1270	my ($self) = @_;	1428	my ($self) = @_;
1271		1429
1272	utf8::encode (my $save = $self->save_path);	1430	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1434
1277	sub load_header_from($) {	1435	sub load_header_from($) {
1278	my ($self, $path) = @_;	1436	my ($self, $path) = @_;
1279		1437
1280	utf8::encode $path;	1438	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
1282	or return;	1440	# or return;
1283		1441
1284	$self->_load_header ($path)	1442	$self->_load_header ($path)
1285	or return;	1443	or return;
1286		1444
1287	$self->{load_path} = $path;	1445	$self->{load_path} = $path;
1288		1446
1289	1	1447	1
1290	}	1448	}
1291		1449
1292	sub load_orig {	1450	sub load_header_orig {
1293	my ($self) = @_;	1451	my ($self) = @_;
1294		1452
1295	$self->load_header_from ($self->load_path)	1453	$self->load_header_from ($self->load_path)
1296	}	1454	}
1297		1455
1298	sub load_temp {	1456	sub load_header_temp {
1299	my ($self) = @_;	1457	my ($self) = @_;
1300		1458
1301	$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;
1302	}	1479	}
1303		1480
1304	sub load_header {	1481	sub load_header {
1305	my ($self) = @_;	1482	my ($self) = @_;
1306		1483
1307	if ($self->load_temp) {	1484	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1485	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1486	} else {
1314	$self->load_orig	1487	$self->load_header_orig
1315	or return;	1488	or return;
1316		1489	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	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;
1322		1497
1323	1	1498	1
1324	}	1499	}
1325		1500
1326	sub find;	1501	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1514	$map->{last_save} = $cf::RUNTIME;
1340		1515
1341	$map->load_header	1516	$map->load_header
1342	or return;	1517	or return;
1343		1518
1344	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
1345	$cf::WAIT_FOR_TICK->wait;	1521	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1522	$map->reset;
1347	undef $guard;	1523	undef $guard;
1348	$map = find $path	1524	return find $path;
1349	or return;
1350	}	1525	}
1351		1526
1352	$cf::MAP{$path} = $map	1527	$cf::MAP{$path} = $map
1353	}	1528	}
1354	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1355		1533
1356	sub load {	1534	sub load {
1357	my ($self) = @_;	1535	my ($self) = @_;
1358		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1359	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1542	my $guard = cf::lock_acquire "map_load:$path";
1361		1543
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1545
1364	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1365		1547
1366	$self->alloc;	1548	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1549
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1550	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1551	Coro::cede;
1391	$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;
1392	$self->difficulty ($self->estimate_difficulty)	1570	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1571	unless $self->difficulty;
1394	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;
1395	$self->activate;	1581	$self->activate;
1396	}	1582	}
1397		1583
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
1399	}	1588	}
1400		1589
1401	sub customise_for {	1590	sub customise_for {
1402	my ($self, $ob) = @_;	1591	my ($self, $ob) = @_;
1403		1592
1404	return find "~" . $ob->name . "/" . $self->{path}	1593	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
1406		1598
1407	$self	1599	$self
1408	}	1600	}
1409		1601
1410	# 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
…		…
1442		1634
1443	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1444	}	1636	}
1445		1637
1446	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1639	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1640
1460	sub find_async {	1641	sub find_async {
1461	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1462		1643
1463	$path = normalise $path, $origin && $origin->{path};	1644	$path = normalise $path, $origin && $origin->{path};
1464		1645
1465	if (my $map = $cf::MAP{$path}) {	1646	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1648	}
1468		1649
1469	$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	};
1470	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1471		1664
1472	()	1665	()
1473	}	1666	}
1474		1667
1475	sub save {	1668	sub save {
…		…
1520		1713
1521	sub reset_at {	1714	sub reset_at {
1522	my ($self) = @_;	1715	my ($self) = @_;
1523		1716
1524	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1527		1719
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	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;
1530		1722
…		…
1541	my ($self) = @_;	1733	my ($self) = @_;
1542		1734
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		1736
1545	return if $self->players;	1737	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		1738
1548	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	}
1549		1750
1550	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
1551		1752
1552	$self->in_memory (cf::MAP_SWAPPED);
1553	$self->clear;	1753	$self->clear;
1554		1754
1555	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1556		1756
1557	$self->unlink_save;	1757	$self->unlink_save;
…		…
1576	$cf::MAP{$self->path} = $self;	1776	$cf::MAP{$self->path} = $self;
1577		1777
1578	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1579	}	1779	}
1580		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
1581	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1582		1818
1583	Returns an arrayref of paths of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	1820	instantiated unique items. May block.
1585		1821
1586	=cut	1822	=cut
1587		1823
1588	sub unique_maps() {	1824	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1590	or return;	1826	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	1827	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	1828	/\.map$/
1600	push @paths, $_;	1829	? normalise $_
		1830	: ()
		1831	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	1832	]
1602
1603	\@paths
1604	}	1833	}
1605		1834
1606	package cf;	1835	package cf;
1607		1836
1608	=back	1837	=back
…		…
1699	=cut	1928	=cut
1700		1929
1701	sub link_map {	1930	sub link_map {
1702	unless ($LINK_MAP) {	1931	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	1932	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	1934	$LINK_MAP->load;
1706	}	1935	}
1707		1936
1708	$LINK_MAP	1937	$LINK_MAP
1709	}	1938	}
…		…
1714	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1715		1944
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		1946
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1720		1949
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	1951	}
1723		1952
1724	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1726		1957
1727	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1728		1959
1729	unless ($map) {	1960	unless ($map) {
1730	# restore original map position	1961	# restore original map position
…		…
1748	$map->load;	1979	$map->load;
1749	$map->load_diag;	1980	$map->load_diag;
1750		1981
1751	return unless $self->contr->active;	1982	return unless $self->contr->active;
1752	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1754	}	1987	}
1755		1988
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		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
1790	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1791		1999
1792	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1793	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;
1794		2005
1795	$self->enter_link;	2006	$self->enter_link;
1796		2007
1797	(async {	2008	(async {
		2009	my $map = eval {
1798	my $map = cf::map::find $path;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
1800		2014	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2015	} else {
1802	# if $map;
1803
1804	$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	}
1805		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};
1806	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1807	})->prio (1);	2031	})->prio (1);
1808	}	2032	}
1809		2033
1810	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1811		2035
…		…
1813		2037
1814	sub parse_random_map_params {	2038	sub parse_random_map_params {
1815	my ($spec) = @_;	2039	my ($spec) = @_;
1816		2040
1817	my $rmp = { # defaults	2041	my $rmp = { # defaults
1818	xsize => 10,	2042	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
1820	};	2046	};
1821		2047
1822	for (split /\n/, $spec) {	2048	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2049	my ($k, $v) = split /\s+/, $_, 2;
1824		2050
…		…
1828	$rmp	2054	$rmp
1829	}	2055	}
1830		2056
1831	sub prepare_random_map {	2057	sub prepare_random_map {
1832	my ($exit) = @_;	2058	my ($exit) = @_;
		2059
		2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2061
1834	# all this does is basically replace the /! path by	2062	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2063	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2064	# that depends on the exit object
1837		2065
1838	my $rmp = parse_random_map_params $exit->msg;	2066	my $rmp = parse_random_map_params $exit->msg;
1839		2067
1840	if ($exit->map) {	2068	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2069	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2070	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2071	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2072	$rmp->{origin_y} = $exit->y;
1845	}	2073	}
1846		2074
1847	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1848		2076
1849	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
		2079	my $meta = "$RANDOMDIR/$md5.meta";
1851		2080
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
		2083	undef $fh;
		2084	aio_rename "$meta~", $meta;
1854		2085
1855	$exit->slaying ("?random/$md5");	2086	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2087	$exit->msg (undef);
1857	}	2088	}
1858	}	2089	}
1859		2090
1860	sub cf::object::player::enter_exit {	2091	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2092	my ($self, $exit) = @_;
1862		2093
1863	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
		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;
1864		2106
1865	$self->enter_link;	2107	$self->enter_link;
1866		2108
1867	(async {	2109	(async {
1868	$self->deactivate_recursive; # just to be sure	2110	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2111	unless (eval {
1870	prepare_random_map $exit	2112	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2113
1876	1;	2114	1;
1877	}) {	2115	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "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. "
1880	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2120
1883	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2122	$self->leave_link;
1885	}	2123	}
1886	})->prio (1);	2124	})->prio (1);
…		…
1899		2137
1900	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1902		2140
1903	utf8::encode $text;	2141	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2143	}
1906		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	}
1907		2157
1908	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1909		2159
1910	Queues a query to the client, calling the given callback with	2160	Queues a query to the client, calling the given callback with
1911	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>,
…		…
1940	# get handled first	2190	# get handled first
1941	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2193
1944	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2196
1946	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1947		2198
1948	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2200	if (@$queue) {
…		…
2007		2258
2008	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2009		2260
2010	=pod	2261	=pod
2011		2262
2012	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2013		2264
2014	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2015	cf::object::player player	2266	cf::object::player player
2016	cf::player peaceful	2267	cf::player peaceful
2017	cf::map trigger	2268	cf::map trigger
…		…
2102	#############################################################################	2353	#############################################################################
2103		2354
2104	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2105		2356
2106	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2107	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2108	excludes objects.	2359	convert to/from binary).
2109		2360
2110	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
2111	using it, it should be unique.	2362	using it, it should be unique.
2112		2363
2113	=over 4	2364	=over 4
2114		2365
2115	=item $hashref = cf::db_get $family
2116
2117	Return a hashref for use by the extension C<$family>, which can be
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120
2121	=item $value = cf::db_get $family => $key	2366	=item $value = cf::db_get $family => $key
2122		2367
2123	Returns a single value from the database	2368	Returns a single value from the database.
2124
2125	=item cf::db_put $family => $hashref
2126
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129		2369
2130	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2131		2371
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	Stores the given C<$value> in the family.
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142		2373
2143	=cut	2374	=cut
2144		2375
2145	our $DB;	2376	our $DB;
2146		2377
2147	{	2378	sub db_init {
2148	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2149		2381
2150	sub db_load() {	2382	cf::sync_job {
2151	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2152	}	2384	$DB->set_flags (BDB::CHKSUM);
2153		2385
2154	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2155		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2156	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2157	waitpid $pid, 0 if $pid;	2389	};
2158	if (0 == ($pid = fork)) {	2390	cf::cleanup "db_open(db): $@" if $@;
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}	2391	};
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	2392	}
		2393	}
2176		2394
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}
2181
2182	sub db_get($;$) {	2395	sub db_get($$) {
2183	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2188	sub db_put($$;$) {	2406	sub db_put($$$) {
2189	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2190	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2191	} else {	2409	}
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196		2410
2197	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2198	prio => 10000,	2412
2199	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2200	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->[$_]: $!";
2201	},	2443	}
2202	);	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 $@;
		2521	_exit 0;
		2522	}
2203	}	2523	}
2204		2524
2205	#############################################################################	2525	#############################################################################
2206	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		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	}
2207		2615
2208	sub cfg_load {	2616	sub cfg_load {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	2618	or return;
2211		2619
2212	local $/;	2620	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2214		2622
…		…
2228		2636
2229	sub main {	2637	sub main {
2230	# we must not ever block the main coroutine	2638	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	2639	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2641	(async {
2233	async { Event::one_event };	2642	Event::one_event;
		2643	})->prio (Coro::PRIO_MAX);
2234	};	2644	};
2235		2645
2236	cfg_load;	2646	cfg_load;
2237	db_load;	2647	db_init;
2238	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
2239	Event::loop;	2651	Event::loop;
2240	}	2652	}
2241		2653
2242	#############################################################################	2654	#############################################################################
2243	# initialisation and cleanup	2655	# initialisation and cleanup
2244		2656
2245	# install some emergency cleanup handlers	2657	# install some emergency cleanup handlers
2246	BEGIN {	2658	BEGIN {
2247	for my $signal (qw(INT HUP TERM)) {	2659	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	2660	Event->signal (
		2661	reentrant => 0,
2249	data => WF_AUTOCANCEL,	2662	data => WF_AUTOCANCEL,
2250	signal => $signal,	2663	signal => $signal,
		2664	prio => 0,
2251	cb => sub {	2665	cb => sub {
2252	cf::cleanup "SIG$signal";	2666	cf::cleanup "SIG$signal";
2253	},	2667	},
2254	);	2668	);
2255	}	2669	}
2256	}	2670	}
…		…
2277	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	2692	$map->valid or next;
2279	$map->save;	2693	$map->save;
2280	}	2694	}
2281	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 $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2282	};	2700	};
2283		2701
2284	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2285	}	2703	}
2286		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2287	sub reload() {	2712	sub do_reload_perl() {
2288	# can/must only be called in main	2713	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	2715	warn "can only reload from main coroutine";
2291	return;	2716	return;
2292	}	2717	}
2293		2718
2294	warn "reloading...";	2719	warn "reloading...";
2295		2720
2296	warn "freezing server";	2721	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2298	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2299		2727
2300	warn "sync database to disk";	2728	warn "syncing database to disk";
2301	cf::db_sync;	2729	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		2730
2304	eval {
2305	# 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
2306		2732
2307	warn "cancel all watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2308	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2310	}	2736	}
2311		2737
		2738	warn "flushing outstanding aio requests";
		2739	for (;;) {
		2740	BDB::flush;
		2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
2312	warn "cancel all extension coros";	2749	warn "cancelling all extension coros";
2313	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();	2751	%EXT_CORO = ();
2315		2752
2316	warn "remove commands";	2753	warn "removing commands";
2317	%COMMAND = ();	2754	%COMMAND = ();
2318		2755
2319	warn "remove ext commands";	2756	warn "removing ext commands";
2320	%EXTCMD = ();	2757	%EXTCMD = ();
2321		2758
2322	warn "unload/nuke all extensions";	2759	warn "unloading/nuking all extensions";
2323	for my $pkg (@EXTS) {	2760	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";	2761	warn "... unloading $pkg";
2325		2762
2326	if (my $cb = $pkg->can ("unload")) {	2763	if (my $cb = $pkg->can ("unload")) {
2327	eval {	2764	eval {
…		…
2332		2769
2333	warn "... nuking $pkg";	2770	warn "... nuking $pkg";
2334	Symbol::delete_package $pkg;	2771	Symbol::delete_package $pkg;
2335	}	2772	}
2336		2773
2337	warn "unload all perl modules loaded from $LIBDIR";	2774	warn "unloading all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340		2777
2341	warn "removing <$k>";	2778	warn "... unloading $k";
2342	delete $INC{$k};	2779	delete $INC{$k};
2343		2780
2344	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
2346		2783
…		…
2349	}	2786	}
2350		2787
2351	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
2352	}	2789	}
2353		2790
2354	warn "get rid of safe::, as good as possible";	2791	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2356	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);
2357		2794
2358	warn "unload cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2360		2798
2361	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2362	# and global variables created in xs	2800	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2364		2802
		2803	warn "unload completed, starting to reload now";
		2804
2365	warn "reloading cf.pm";	2805	warn "reloading cf.pm";
2366	require cf;	2806	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2368		2808
2369	warn "load config and database again";	2809	warn "loading config and database again";
2370	cf::cfg_load;	2810	cf::cfg_load;
2371	cf::db_load;
2372		2811
2373	warn "load extensions";	2812	warn "loading extensions";
2374	cf::load_extensions;	2813	cf::load_extensions;
2375		2814
2376	warn "reattach attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2377	_global_reattach;	2816	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	2817	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2380	};	2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2381		2821
2382	if ($@) {	2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
2383	warn $@;	2826	warn $@;
2384	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2385	exit 1;	2828	exit 1;
2386	}	2829	};
2387		2830
2388	warn "reloaded";	2831	warn "reloaded";
2389	};	2832	};
2390		2833
		2834	our $RELOAD_WATCHER; # used only during reload
		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 $RELOAD_WATCHER;
		2847	},
		2848	);
		2849	}
		2850
2391	register_command "reload" => sub {	2851	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2393		2853
2394	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	2855	$who->message ("reloading server.");
		2856	async { reload_perl };
2398	}	2857	}
2399	};	2858	};
2400		2859
2401	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2402		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;
2403	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2404	reentrant => 0,	2888	reentrant => 0,
		2889	parked => 1,
2405	prio => 0,	2890	prio => 0,
2406	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,	2892	data => WF_AUTOCANCEL,
2408	cb => sub {	2893	cb => sub {
		2894	if ($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
2409	$NOW = Event::time;	2900	$NOW = $tick_start = Event::time;
2410		2901
2411	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
2412	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2414		2929
2415	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2416	$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;
2417		2949
2418	# 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
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2420		2952
2421	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2422	$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
2423	},	2962	},
2424	);	2963	);
2425		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;
2426	IO::AIO::max_poll_time $TICK * 0.2;	3019	IO::AIO::max_poll_time $TICK * 0.1;
2427
2428	$AIO_POLL_WATCHER = Event->io (	3020	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,	3021	reentrant => 0,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,	3022	data => WF_AUTOCANCEL,
2438	after => 0,	3023	fd => IO::AIO::poll_fileno,
2439	interval => 10,	3024	poll => 'r',
2440	cb => sub {	3025	prio => 6,
2441	(Coro::unblock_sub {	3026	cb => \&IO::AIO::poll_cb,
2442	write_runtime	3027	);
2443	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;
2444	})->();	3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
2445	},	3065	}
2446	);	3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2447		3070
2448	END { cf::emergency_save }	3071	END { cf::emergency_save }
2449		3072
2450	1	3073	1
2451		3074

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