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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 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
…		…
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.
		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
1581	=item cf::map::unique_maps	1799	=item cf::map::unique_maps
1582		1800
1583	Returns an arrayref of paths of all shared maps that have	1801	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	1802	instantiated unique items. May block.
1585		1803
1586	=cut	1804	=cut
1587		1805
1588	sub unique_maps() {	1806	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1807	[
1590	or return;	1808	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	1809	utf8::decode $_;
1596	next if /\.pst$/;	1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o
1597	next unless /^$PATH_SEP/o;	1811	? normalise $_
1598		1812	: ()
1599	s/\.map$//;	1813	} @{ aio_readdir $UNIQUEDIR or [] }
1600	push @paths, $_;
1601	}	1814	]
1602
1603	\@paths
1604	}	1815	}
1605		1816
1606	package cf;	1817	package cf;
1607		1818
1608	=back	1819	=back
…		…
1699	=cut	1910	=cut
1700		1911
1701	sub link_map {	1912	sub link_map {
1702	unless ($LINK_MAP) {	1913	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	1914	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	1915	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	1916	$LINK_MAP->load;
1706	}	1917	}
1707		1918
1708	$LINK_MAP	1919	$LINK_MAP
1709	}	1920	}
…		…
1714	$self->deactivate_recursive;	1925	$self->deactivate_recursive;
1715		1926
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	1927	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		1928
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	1930	if $self->map && $self->map->{path} ne "{link}";
1720		1931
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	1933	}
1723		1934
1724	sub cf::object::player::leave_link {	1935	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	1936	my ($self, $map, $x, $y) = @_;
		1937
		1938	return unless $self->contr->active;
1726		1939
1727	my $link_pos = delete $self->{_link_pos};	1940	my $link_pos = delete $self->{_link_pos};
1728		1941
1729	unless ($map) {	1942	unless ($map) {
1730	# restore original map position	1943	# restore original map position
…		…
1748	$map->load;	1961	$map->load;
1749	$map->load_diag;	1962	$map->load_diag;
1750		1963
1751	return unless $self->contr->active;	1964	return unless $self->contr->active;
1752	$self->activate_recursive;	1965	$self->activate_recursive;
		1966
		1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	1968	$self->enter_map ($map, $x, $y);
1754	}	1969	}
1755		1970
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)	1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1789		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
1790	=cut	1978	=cut
		1979
		1980	our $GOTOGEN;
1791		1981
1792	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1793	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;
1794		1987
1795	$self->enter_link;	1988	$self->enter_link;
1796		1989
1797	(async {	1990	(async {
		1991	my $map = eval {
1798	my $map = cf::map::find $path;	1992	my $map = cf::map::find $path;
		1993
		1994	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	1995	$map = $map->customise_for ($self);
1800		1996	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	1997	} else {
1802	# if $map;
1803
1804	$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	}
1805		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};
1806	$self->leave_link ($map, $x, $y);	2011	$self->leave_link ($map, $x, $y);
		2012	}
1807	})->prio (1);	2013	})->prio (1);
1808	}	2014	}
1809		2015
1810	=item $player_object->enter_exit ($exit_object)	2016	=item $player_object->enter_exit ($exit_object)
1811		2017
…		…
1813		2019
1814	sub parse_random_map_params {	2020	sub parse_random_map_params {
1815	my ($spec) = @_;	2021	my ($spec) = @_;
1816		2022
1817	my $rmp = { # defaults	2023	my $rmp = { # defaults
1818	xsize => 10,	2024	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2025	ysize => (cf::rndm 15, 40),
		2026	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2027	#layout => string,
1820	};	2028	};
1821		2029
1822	for (split /\n/, $spec) {	2030	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2031	my ($k, $v) = split /\s+/, $_, 2;
1824		2032
…		…
1828	$rmp	2036	$rmp
1829	}	2037	}
1830		2038
1831	sub prepare_random_map {	2039	sub prepare_random_map {
1832	my ($exit) = @_;	2040	my ($exit) = @_;
		2041
		2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2043
1834	# all this does is basically replace the /! path by	2044	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2045	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2046	# that depends on the exit object
1837		2047
1838	my $rmp = parse_random_map_params $exit->msg;	2048	my $rmp = parse_random_map_params $exit->msg;
1839		2049
1840	if ($exit->map) {	2050	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2051	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2052	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2053	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2054	$rmp->{origin_y} = $exit->y;
1845	}	2055	}
1846		2056
1847	$rmp->{random_seed} ||= $exit->random_seed;	2057	$rmp->{random_seed} ||= $exit->random_seed;
1848		2058
1849	my $data = cf::to_json $rmp;	2059	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2060	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2061	my $meta = "$RANDOMDIR/$md5.meta";
1852		2062
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2064	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2065	undef $fh;
1856	aio_rename "$meta~", $meta;	2066	aio_rename "$meta~", $meta;
…		…
1863	sub cf::object::player::enter_exit {	2073	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2074	my ($self, $exit) = @_;
1865		2075
1866	return unless $self->type == cf::PLAYER;	2076	return unless $self->type == cf::PLAYER;
1867		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
1868	$self->enter_link;	2089	$self->enter_link;
1869		2090
1870	(async {	2091	(async {
1871	$self->deactivate_recursive; # just to be sure	2092	$self->deactivate_recursive; # just to be sure
1872	unless (eval {	2093	unless (eval {
1873	prepare_random_map $exit	2094	$self->goto ($slaying, $hp, $sp);
1874	if $exit->slaying eq "/!";
1875
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1878		2095
1879	1;	2096	1;
1880	}) {	2097	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2098	$self->message ("Something went wrong deep within the crossfire server. "
1882	. "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. "
1883	. "Please report this to the dungeon master!",	2100	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2101	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2102
1886	warn "ERROR in enter_exit: $@";	2103	warn "ERROR in enter_exit: $@";
1887	$self->leave_link;	2104	$self->leave_link;
1888	}	2105	}
1889	})->prio (1);	2106	})->prio (1);
…		…
1902		2119
1903	sub cf::client::send_drawinfo {	2120	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2121	my ($self, $text, $flags) = @_;
1905		2122
1906	utf8::encode $text;	2123	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2125	}
1909		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	}
1910		2139
1911	=item $success = $client->query ($flags, "text", \&cb)	2140	=item $success = $client->query ($flags, "text", \&cb)
1912		2141
1913	Queues a query to the client, calling the given callback with	2142	Queues a query to the client, calling the given callback with
1914	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>,
…		…
1943	# get handled first	2172	# get handled first
1944	my $queue = delete $ns->{query_queue}	2173	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	2174	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		2175
1947	(shift @$queue)->[1]->($msg);	2176	(shift @$queue)->[1]->($msg);
		2177	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		2178
1949	push @{ $ns->{query_queue} }, @$queue;	2179	push @{ $ns->{query_queue} }, @$queue;
1950		2180
1951	if (@{ $ns->{query_queue} } == @$queue) {	2181	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	2182	if (@$queue) {
…		…
2010		2240
2011	# here we export the classes and methods available to script code	2241	# here we export the classes and methods available to script code
2012		2242
2013	=pod	2243	=pod
2014		2244
2015	The following fucntions and emthods are available within a safe environment:	2245	The following functions and methods are available within a safe environment:
2016		2246
2017	cf::object contr pay_amount pay_player map	2247	cf::object contr pay_amount pay_player map
2018	cf::object::player player	2248	cf::object::player player
2019	cf::player peaceful	2249	cf::player peaceful
2020	cf::map trigger	2250	cf::map trigger
…		…
2105	#############################################################################	2335	#############################################################################
2106		2336
2107	=head2 EXTENSION DATABASE SUPPORT	2337	=head2 EXTENSION DATABASE SUPPORT
2108		2338
2109	Crossfire maintains a very simple database for extension use. It can	2339	Crossfire maintains a very simple database for extension use. It can
2110	currently store anything that can be serialised using Storable, which	2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2111	excludes objects.	2341	convert to/from binary).
2112		2342
2113	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
2114	using it, it should be unique.	2344	using it, it should be unique.
2115		2345
2116	=over 4	2346	=over 4
2117		2347
2118	=item $hashref = cf::db_get $family
2119
2120	Return a hashref for use by the extension C<$family>, which can be
2121	modified. After modifications, you have to call C<cf::db_dirty> or
2122	C<cf::db_sync>.
2123
2124	=item $value = cf::db_get $family => $key	2348	=item $value = cf::db_get $family => $key
2125		2349
2126	Returns a single value from the database	2350	Returns a single value from the database.
2127
2128	=item cf::db_put $family => $hashref
2129
2130	Stores the given family hashref into the database. Updates are delayed, if
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132		2351
2133	=item cf::db_put $family => $key => $value	2352	=item cf::db_put $family => $key => $value
2134		2353
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you	2354	Stores the given C<$value> in the family.
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145		2355
2146	=cut	2356	=cut
2147		2357
2148	our $DB;	2358	our $DB;
2149		2359
2150	{	2360	sub db_init {
2151	my $path = cf::localdir . "/database.pst";	2361	unless ($DB) {
		2362	$DB = BDB::db_create $DB_ENV;
2152		2363
2153	sub db_load() {	2364	cf::sync_job {
2154	$DB = stat $path ? Storable::retrieve $path : { };	2365	eval {
2155	}	2366	$DB->set_flags (BDB::CHKSUM);
2156		2367
2157	my $pid;	2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2158		2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2159	sub db_save() {	2370	cf::cleanup "db_open(db): $!" if $!;
2160	waitpid $pid, 0 if $pid;	2371	};
2161	if (0 == ($pid = fork)) {	2372	cf::cleanup "db_open(db): $@" if $@;
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}	2373	};
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});	2374	}
		2375	}
2179		2376
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}
2184
2185	sub db_get($;$) {	2377	sub db_get($$) {
2186	@_ >= 2	2378	my $key = "$_[0]/$_[1]";
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190		2379
		2380	cf::sync_job {
		2381	BDB::db_get $DB, undef, $key, my $data;
		2382
		2383	$! ? ()
		2384	: $data
		2385	}
		2386	}
		2387
2191	sub db_put($$;$) {	2388	sub db_put($$$) {
2192	if (@_ >= 3) {	2389	BDB::dbreq_pri 4;
2193	$DB->{$_[0]}{$_[1]} = $_[2];	2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2194	} else {	2391	}
2195	$DB->{$_[0]} = $_[1];
2196	}
2197	db_dirty;
2198	}
2199		2392
2200	cf::global->attach (	2393	=item cf::cache $id => [$paths...], $processversion => $process
2201	prio => 10000,	2394
2202	on_cleanup => sub {	2395	Generic caching function that returns the value of the resource $id,
2203	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->[$_]: $!";
2204	},	2425	}
2205	);	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 $@;
		2503	_exit 0;
		2504	}
2206	}	2505	}
2207		2506
2208	#############################################################################	2507	#############################################################################
2209	# the server's main()	2508	# the server's init and main functions
		2509
		2510	sub load_facedata($) {
		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	}
2210		2597
2211	sub cfg_load {	2598	sub cfg_load {
2212	open my $fh, "<:utf8", cf::confdir . "/config"	2599	open my $fh, "<:utf8", "$CONFDIR/config"
2213	or return;	2600	or return;
2214		2601
2215	local $/;	2602	local $/;
2216	*CFG = YAML::Syck::Load <$fh>;	2603	*CFG = YAML::Syck::Load <$fh>;
2217		2604
…		…
2237	Event::one_event;	2624	Event::one_event;
2238	})->prio (Coro::PRIO_MAX);	2625	})->prio (Coro::PRIO_MAX);
2239	};	2626	};
2240		2627
2241	cfg_load;	2628	cfg_load;
2242	db_load;	2629	db_init;
2243	load_extensions;	2630	load_extensions;
		2631
		2632	$TICK_WATCHER->start;
2244	Event::loop;	2633	Event::loop;
2245	}	2634	}
2246		2635
2247	#############################################################################	2636	#############################################################################
2248	# initialisation and cleanup	2637	# initialisation and cleanup
2249		2638
2250	# install some emergency cleanup handlers	2639	# install some emergency cleanup handlers
2251	BEGIN {	2640	BEGIN {
2252	for my $signal (qw(INT HUP TERM)) {	2641	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	2642	Event->signal (
		2643	reentrant => 0,
2254	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2255	signal => $signal,	2645	signal => $signal,
		2646	prio => 0,
2256	cb => sub {	2647	cb => sub {
2257	cf::cleanup "SIG$signal";	2648	cf::cleanup "SIG$signal";
2258	},	2649	},
2259	);	2650	);
2260	}	2651	}
2261	}	2652	}
…		…
2282	my $map = $cf::MAP{$path} or next;	2673	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	2674	$map->valid or next;
2284	$map->save;	2675	$map->save;
2285	}	2676	}
2286	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 $DB_ENV;
		2681	warn "end emergency database checkpoint\n";
2287	};	2682	};
2288		2683
2289	warn "leave emergency perl save\n";	2684	warn "leave emergency perl save\n";
2290	}	2685	}
2291		2686
		2687	sub post_cleanup {
		2688	my ($make_core) = @_;
		2689
		2690	warn Carp::longmess "post_cleanup backtrace"
		2691	if $make_core;
		2692	}
		2693
2292	sub reload() {	2694	sub do_reload_perl() {
2293	# can/must only be called in main	2695	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	2696	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	2697	warn "can only reload from main coroutine";
2296	return;	2698	return;
2297	}	2699	}
2298		2700
2299	warn "reloading...";	2701	warn "reloading...";
2300		2702
2301	warn "freezing server";	2703	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	2704
		2705	cf::sync_job {
		2706	cf::write_runtime; # external watchdog should not bark
2303	cf::emergency_save;	2707	cf::emergency_save;
		2708	cf::write_runtime; # external watchdog should not bark
2304		2709
2305	warn "sync database to disk";	2710	warn "syncing database to disk";
2306	cf::db_sync;	2711	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		2712
2309	eval {
2310	# 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
2311		2714
2312	warn "cancel all watchers";	2715	warn "cancelling all WF_AUTOCANCEL watchers";
2313	for (Event::all_watchers) {	2716	for (Event::all_watchers) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2315	}	2718	}
2316		2719
		2720	warn "flushing outstanding aio requests";
		2721	for (;;) {
		2722	BDB::flush;
		2723	IO::AIO::flush;
		2724	Coro::cede;
		2725	last unless IO::AIO::nreqs || BDB::nreqs;
		2726	warn "iterate...";
		2727	}
		2728
		2729	++$RELOAD;
		2730
2317	warn "cancel all extension coros";	2731	warn "cancelling all extension coros";
2318	$_->cancel for values %EXT_CORO;	2732	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	2733	%EXT_CORO = ();
2320		2734
2321	warn "remove commands";	2735	warn "removing commands";
2322	%COMMAND = ();	2736	%COMMAND = ();
2323		2737
2324	warn "remove ext commands";	2738	warn "removing ext commands";
2325	%EXTCMD = ();	2739	%EXTCMD = ();
2326		2740
2327	warn "unload/nuke all extensions";	2741	warn "unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	2742	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	2743	warn "... unloading $pkg";
2330		2744
2331	if (my $cb = $pkg->can ("unload")) {	2745	if (my $cb = $pkg->can ("unload")) {
2332	eval {	2746	eval {
…		…
2337		2751
2338	warn "... nuking $pkg";	2752	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;	2753	Symbol::delete_package $pkg;
2340	}	2754	}
2341		2755
2342	warn "unload all perl modules loaded from $LIBDIR";	2756	warn "unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	2757	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		2759
2346	warn "removing <$k>";	2760	warn "... unloading $k";
2347	delete $INC{$k};	2761	delete $INC{$k};
2348		2762
2349	$k =~ s/\.pm$//;	2763	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	2764	$k =~ s/\//::/g;
2351		2765
…		…
2354	}	2768	}
2355		2769
2356	Symbol::delete_package $k;	2770	Symbol::delete_package $k;
2357	}	2771	}
2358		2772
2359	warn "get rid of safe::, as good as possible";	2773	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	2774	Symbol::delete_package "safe::$_"
2361	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);
2362		2776
2363	warn "unload cf.pm \"a bit\"";	2777	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	2778	delete $INC{"cf.pm"};
		2779	delete $INC{"cf/pod.pm"};
2365		2780
2366	# don't, removes xs symbols, too,	2781	# don't, removes xs symbols, too,
2367	# and global variables created in xs	2782	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	2783	#Symbol::delete_package __PACKAGE__;
2369		2784
		2785	warn "unload completed, starting to reload now";
		2786
2370	warn "reloading cf.pm";	2787	warn "reloading cf.pm";
2371	require cf;	2788	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		2790
2374	warn "load config and database again";	2791	warn "loading config and database again";
2375	cf::cfg_load;	2792	cf::cfg_load;
2376	cf::db_load;
2377		2793
2378	warn "load extensions";	2794	warn "loading extensions";
2379	cf::load_extensions;	2795	cf::load_extensions;
2380		2796
2381	warn "reattach attachments to objects/players";	2797	warn "reattaching attachments to objects/players";
2382	_global_reattach;	2798	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	2799	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	2800	reattach $_ for values %MAP;
2385	};	2801	warn "reattaching attachments to players";
		2802	reattach $_ for values %PLAYER;
2386		2803
2387	if ($@) {	2804	warn "leaving sync_job";
		2805
		2806	1
		2807	} or do {
2388	warn $@;	2808	warn $@;
2389	warn "error while reloading, exiting.";	2809	warn "error while reloading, exiting.";
2390	exit 1;	2810	exit 1;
2391	}	2811	};
2392		2812
2393	warn "reloaded";	2813	warn "reloaded";
2394	};	2814	};
2395		2815
2396	our $RELOAD_WATCHER; # used only during reload	2816	our $RELOAD_WATCHER; # used only during reload
2397		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 $RELOAD_WATCHER;
		2829	},
		2830	);
		2831	}
		2832
2398	register_command "reload" => sub {	2833	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	2834	my ($who, $arg) = @_;
2400		2835
2401	if ($who->flag (FLAG_WIZ)) {	2836	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	2837	$who->message ("reloading server.");
2403		2838	async { reload_perl };
2404	# doing reload synchronously and two reloads happen back-to-back,
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;
2409	undef $RELOAD_WATCHER;
2410	});
2411	}	2839	}
2412	};	2840	};
2413		2841
2414	unshift @INC, $LIBDIR;	2842	unshift @INC, $LIBDIR;
2415		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;
2416	$TICK_WATCHER = Event->timer (	2869	$TICK_WATCHER = Event->timer (
2417	reentrant => 0,	2870	reentrant => 0,
		2871	parked => 1,
2418	prio => 0,	2872	prio => 0,
2419	at => $NEXT_TICK || $TICK,	2873	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2421	cb => sub {	2875	cb => sub {
		2876	if ($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
2422	$NOW = Event::time;	2882	$NOW = $tick_start = Event::time;
2423		2883
2424	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
2425	$RUNTIME += $TICK;	2909	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;	2910	$NEXT_TICK += $TICK;
2427		2911
2428	$WAIT_FOR_TICK->broadcast;	2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2429	$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;
2430		2931
2431	# 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
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2433		2934
2434	$TICK_WATCHER->at ($NEXT_TICK);	2935	$TICK_WATCHER->at ($NEXT_TICK);
2435	$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
2436	},	2944	},
2437	);	2945	);
2438		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;
2439	IO::AIO::max_poll_time $TICK * 0.2;	3001	IO::AIO::max_poll_time $TICK * 0.1;
2440
2441	$AIO_POLL_WATCHER = Event->io (	3002	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,	3003	reentrant => 0,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,	3004	data => WF_AUTOCANCEL,
2451	after => 0,	3005	fd => IO::AIO::poll_fileno,
2452	interval => 10,	3006	poll => 'r',
2453	cb => sub {	3007	prio => 6,
2454	(Coro::unblock_sub {	3008	cb => \&IO::AIO::poll_cb,
2455	write_runtime	3009	);
2456	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;
2457	})->();	3043	};
		3044	} else {
		3045	LOG llevInfo, "[ABT] $msg\n";
		3046	LOG llevInfo, "[ABT] [suppressed]\n";
2458	},	3047	}
2459	);	3048	}
		3049
		3050	# load additional modules
		3051	use cf::pod;
2460		3052
2461	END { cf::emergency_save }	3053	END { cf::emergency_save }
2462		3054
2463	1	3055	1
2464		3056

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