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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 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;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	76	our $NEXT_TICK;
50	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;
51		82
52	our %CFG;	83	our %CFG;
53		84
54	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	86	our $RUNTIME;
56		87
57	our %PLAYER; # all users	88	our %PLAYER; # all users
58	our %MAP; # all maps	89	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		91
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64		94
65	binmode STDOUT;	95	binmode STDOUT;
66	binmode STDERR;	96	binmode STDERR;
67		97
68	# read virtual server time, if available	98	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
73	}	103	}
74		104
75	mkdir cf::localdir;	105	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		107
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
84		111
85	#############################################################################	112	#############################################################################
86		113
87	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
88		115
…		…
95	=item $cf::RUNTIME	122	=item $cf::RUNTIME
96		123
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	125	every server tick.
99		126
100	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		130
102	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
104		135
105	=item $cf::NOW	136	=item $cf::NOW
106		137
107	The time of the last (current) server tick.	138	The time of the last (current) server tick.
108		139
…		…
113	=item %cf::CFG	144	=item %cf::CFG
114		145
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	147	from wherever your confdir points to.
117		148
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		150
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		154
125	=back	155	=back
126		156
127	=cut	157	=cut
128		158
129	BEGIN {	159	BEGIN {
130	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	161	my $msg = join "", @_;
132	utf8::encode $msg;
133		162
134	$msg .= "\n"	163	$msg .= "\n"
135	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
136		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
137	LOG llevError, $msg;	169	LOG llevError, $msg;
138	};	170	};
139	}	171	}
140		172
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	220	$d
189	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
190	}	222	}
191		223
192	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
193		225
194	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
195		227
196	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
197		229
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
206		231
207	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
208
209	=cut
210
211	sub to_json($) {
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
213	JSON::Syck::Dump $_[0]
214	}
215		233
216	=item cf::lock_wait $string	234	=item cf::lock_wait $string
217		235
218	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
219		237
…		…
225	returned.	243	returned.
226		244
227	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
229		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
230	=cut	252	=cut
231		253
232	our %LOCK;	254	our %LOCK;
233		255
234	sub lock_wait($) {	256	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
255	}	277	}
256	}	278	}
257		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
258	sub freeze_mainloop {	286	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
260		288
261	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
262	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
263	$guard	293	$guard
264	}	294	}
265		295
266	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
337		367
338	$coro	368	$coro
339	}	369	}
340		370
341	sub write_runtime {	371	sub write_runtime {
342	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
343		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345	or return;	378	or return;
346		379
		380	my $value = $cf::RUNTIME + 90 + 10;
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;	385	and return;
350		386
		387	# always fsync - this file is important
351	aio_fsync $fh	388	aio_fsync $fh
352	and return;	389	and return;
353		390
354	close $fh	391	close $fh
355	or return;	392	or return;
356		393
357	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
358	and return;	395	and return;
359		396
		397	warn "... done writing runtime.\n";#d#
		398
360	1	399	1
361	}	400	}
362		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
363	=back	413	=back
364		414
365	=cut	415	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		416
543	#############################################################################	417	#############################################################################
544		418
545	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
546		420
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	547	our @CB_MAP = ();
674		548
675	my %attachment;	549	my %attachment;
676		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
677	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
679		559
680	use sort 'stable';	560	use sort 'stable';
681		561
…		…
852	# object support	732	# object support
853		733
854	sub reattach {	734	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		739
858	my $registry = $obj->registry;	740	my $registry = $obj->registry;
859		741
860	@$registry = ();	742	@$registry = ();
861		743
…		…
908	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
909		791
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	796	close $fh;
915		797
916	if (@$objs) {	798	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	804	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
924	}	806	}
925	} else {	807	} else {
926	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
1048	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1051	. "\n};\n1";	933	. "\n};\n1";
1052		934
1053	eval $source	935	unless (eval $source) {
1054	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1055	: "extension disabled.\n";	937	: "extension disabled.\n";
		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		939	warn $@;
		940	warn "mandatory extension failed to load, exiting.\n";
		941	exit 1;
		942	}
		943	die $@;
		944	}
1056		945
1057	push @EXTS, $pkg;	946	push @EXTS, $pkg;
1058	}	947	}
1059		948
1060	sub load_extensions {	949	sub load_extensions {
…		…
1066	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1067	}	956	}
1068	}	957	}
1069		958
1070	#############################################################################	959	#############################################################################
1071	# load/save/clean perl data associated with a map
1072
1073	*cf::mapsupport::on_clean = sub {
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		960
1086	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1087		962
1088	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1089		964
…		…
1102	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1103		978
1104	=cut	979	=cut
1105		980
1106	sub playerdir($) {	981	sub playerdir($) {
1107	cf::localdir	982	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	984	}
1113		985
1114	sub path($) {	986	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		988
1117	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1118	}	990	}
1119		991
1120	sub find_active($) {	992	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1125		997
1126	sub exists($) {	998	sub exists($) {
1127	my ($login) = @_;	999	my ($login) = @_;
1128		1000
1129	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1131	}	1003	}
1132		1004
1133	sub find($) {	1005	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1007	my $login = $_[0];
1136		1008
1137	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1138		1010
1139	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
1140	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1141	or return;	1020	or return;
1142	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1143	}	1022	}
1144	}	1023	}
…		…
1181		1060
1182	=cut	1061	=cut
1183		1062
1184	sub quit_character {	1063	sub quit_character {
1185	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1186		1067
1187	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1070
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1200	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1201	}	1102	}
1202		1103
1203	=item cf::player::list_logins	1104	=item cf::player::list_logins
1204		1105
1205	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1207		1108
1208	=cut	1109	=cut
1209		1110
1210	sub list_logins {	1111	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1113	or return [];
1213		1114
1214	my @logins;	1115	my @logins;
1215		1116
1216	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1225	\@logins	1126	\@logins
1226	}	1127	}
1227		1128
1228	=item $player->maps	1129	=item $player->maps
1229		1130
1230	Returns an arrayref of cf::path's of all maps that are private for this	1131	Returns an arrayref of map paths that are private for this
1231	player. May block.	1132	player. May block.
1232		1133
1233	=cut	1134	=cut
1234		1135
1235	sub maps($) {	1136	sub maps($) {
1236	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1140
1238	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1239	or return;	1142	or return;
1240		1143
1241	my @paths;	1144	my @paths;
…		…
1243	for (@$files) {	1146	for (@$files) {
1244	utf8::decode $_;	1147	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1247		1150
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1151	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1152	}
1250		1153
1251	\@paths	1154	\@paths
1252	}	1155	}
1253		1156
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1255		1158
1256	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1257		1160
1258	=cut	1161	=cut
1259		1162
1260	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1262		1165
1263	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1264		1167
1265	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1266	}	1169	}
1267		1170
1268	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1269		1211
1270	=back	1212	=back
1271
1272		1213
1273	=head3 cf::map	1214	=head3 cf::map
1274		1215
1275	=over 4	1216	=over 4
1276		1217
…		…
1279	package cf::map;	1220	package cf::map;
1280		1221
1281	use Fcntl;	1222	use Fcntl;
1282	use Coro::AIO;	1223	use Coro::AIO;
1283		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1284	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1286		1231
1287	sub generate_random_map {	1232	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1235	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1247	)
1305	}	1248	}
1306		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
		1258	sub register {
		1259	my (undef, $regex, $prio) = @_;
		1260	my $pkg = caller;
		1261
		1262	no strict;
		1263	push @{"$pkg\::ISA"}, __PACKAGE__;
		1264
		1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1266	}
		1267
		1268	# also paths starting with '/'
		1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
		1282
		1283	sub normalise {
		1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
		1290	# map plan:
		1291	#
		1292	# /! non-realised random map exit (special hack!)
		1293	# {... are special paths that are not being touched
		1294	# ?xxx/... are special absolute paths
		1295	# ?random/... random maps
		1296	# /... normal maps
		1297	# ~user/... per-player map of a specific user
		1298
		1299	$path =~ s/$PATH_SEP/\//go;
		1300
		1301	# treat it as relative path if it starts with
		1302	# something that looks reasonable
		1303	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1304	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1305
		1306	$base =~ s{[^/]+/?$}{};
		1307	$path = "$base/$path";
		1308	}
		1309
		1310	for ($path) {
		1311	redo if s{//}{/};
		1312	redo if s{/\.?/}{/};
		1313	redo if s{/[^/]+/\.\./}{/};
		1314	}
		1315
		1316	$path
		1317	}
		1318
		1319	sub new_from_path {
		1320	my (undef, $path, $base) = @_;
		1321
		1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1323
		1324	$path = normalise $path, $base;
		1325
		1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1328	my $self = bless cf::map::new, $pkg;
		1329	$self->{path} = $path; $self->path ($path);
		1330	$self->init; # pass $1 etc.
		1331	return $self;
		1332	}
		1333	}
		1334
		1335	Carp::carp "unable to resolve path '$path' (base '$base').";
		1336	()
		1337	}
		1338
		1339	sub init {
		1340	my ($self) = @_;
		1341
		1342	$self
		1343	}
		1344
		1345	sub as_string {
		1346	my ($self) = @_;
		1347
		1348	"$self->{path}"
		1349	}
		1350
		1351	# the displayed name, this is a one way mapping
		1352	sub visible_name {
		1353	&as_string
		1354	}
		1355
		1356	# the original (read-only) location
		1357	sub load_path {
		1358	my ($self) = @_;
		1359
		1360	"$MAPDIR/$self->{path}.map"
		1361	}
		1362
		1363	# the temporary/swap location
		1364	sub save_path {
		1365	my ($self) = @_;
		1366
		1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1368	"$TMPDIR/$path.map"
		1369	}
		1370
		1371	# the unique path, undef == no special unique path
		1372	sub uniq_path {
		1373	my ($self) = @_;
		1374
		1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1376	"$UNIQUEDIR/$path"
		1377	}
		1378
1307	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1308	# all maps in C++...	1380	# all maps in C++...
1309	sub change_all_map_light {	1381	sub change_all_map_light {
1310	my ($change) = @_;	1382	my ($change) = @_;
1311		1383
1312	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1314	}	1386	}
1315		1387
		1388	sub unlink_save {
		1389	my ($self) = @_;
		1390
		1391	utf8::encode (my $save = $self->save_path);
		1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1394	}
		1395
1316	sub load_map_header($) {	1396	sub load_header_from($) {
1317	my ($path) = @_;	1397	my ($self, $path) = @_;
1318		1398
1319	utf8::encode $path;	1399	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1321	or return;	1404	or return;
1322		1405
1323	my $map = cf::map::new	1406	$self->{load_path} = $path;
		1407
		1408	1
		1409	}
		1410
		1411	sub load_header_orig {
		1412	my ($self) = @_;
		1413
		1414	$self->load_header_from ($self->load_path)
		1415	}
		1416
		1417	sub load_header_temp {
		1418	my ($self) = @_;
		1419
		1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
		1440	}
		1441
		1442	sub load_header {
		1443	my ($self) = @_;
		1444
		1445	if ($self->load_header_temp) {
		1446	$self->prepare_temp;
		1447	} else {
		1448	$self->load_header_orig
1324	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1325		1452
1326	# for better error messages only, will be overwritten later	1453	$self->default_region (cf::region::find_by_path $self->{path})
1327	$map->path ($path);	1454	unless $self->default_region;
1328		1455
1329	$map->load_header ($path)	1456	1
1330	or return;
1331
1332	$map->{load_path} = $path;
1333
1334	$map
1335	}	1457	}
1336		1458
1337	sub find;	1459	sub find;
1338	sub find {	1460	sub find {
1339	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1340		1462
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1464
1346	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1347		1466
1348	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1350		1469	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1470	or return;
1365		1471
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1378		1473
1379	Coro::cede;	1474	$map->load_header
		1475	or return;
1380		1476
1381	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1480	$map->reset;
1383	undef $guard;	1481	undef $guard;
1384	$map = find $path	1482	return find $path;
1385	or return;
1386	}	1483	}
1387		1484
1388	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1389	}	1486	}
1390	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1391		1491
1392	sub load {	1492	sub load {
1393	my ($self) = @_;	1493	my ($self) = @_;
1394		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1395	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1397		1501
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1503
1400	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1401		1505
1402	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1403	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1512	or return;
1405		1513
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1515	if delete $self->{load_original};
1408		1516
1409	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1518	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1520	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1414	}	1522	}
1415	}	1523	}
1416		1524
1417	Coro::cede;	1525	Coro::cede;
1418
1419	# now do the right thing for maps	1526	# now do the right thing for maps
1420	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1529	unless $self->difficulty;
		1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1432	$self->activate;	1539	$self->activate;
1433	}	1540	}
1434		1541
1435	Coro::cede;
1436
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
		1546	}
		1547
		1548	sub customise_for {
		1549	my ($self, $ob) = @_;
		1550
		1551	return find "~" . $ob->name . "/" . $self->{path}
		1552	if $self->per_player;
		1553
		1554	$self
1438	}	1555	}
1439		1556
1440	# find and load all maps in the 3x3 area around a map	1557	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1558	sub load_diag {
1442	my ($map) = @_;	1559	my ($map) = @_;
…		…
1472		1589
1473	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1474	}	1591	}
1475		1592
1476	our %MAP_PREFETCH;	1593	our %MAP_PREFETCH;
1477	our $MAP_PREFETCHER = Coro::async {	1594	our $MAP_PREFETCHER = undef;
1478	while () {
1479	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH
1481	or next;
1482	my $path = delete $MAP_PREFETCH{$key};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}
1488	Coro::schedule;
1489	}
1490	};
1491		1595
1492	sub find_async {	1596	sub find_async {
1493	my ($path, $origin) = @_;	1597	my ($path, $origin) = @_;
1494		1598
1495	$path = new cf::path $path, $origin && $origin->path;	1599	$path = normalise $path, $origin && $origin->{path};
1496	my $key = $path->as_string;
1497		1600
1498	if (my $map = $cf::MAP{$key}) {	1601	if (my $map = $cf::MAP{$path}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}	1603	}
1501		1604
1502	$MAP_PREFETCH{$key} = $path;	1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
1503	$MAP_PREFETCHER->ready;	1618	$MAP_PREFETCHER->prio (6);
1504		1619
1505	()	1620	()
1506	}	1621	}
1507		1622
1508	sub save {	1623	sub save {
…		…
1512		1627
1513	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1514		1629
1515	return unless $self->dirty;	1630	return unless $self->dirty;
1516		1631
1517	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		1634
1520	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1521		1636
1522	return if $self->{deny_save};	1637	return if $self->{deny_save};
1523		1638
…		…
1526	cf::async {	1641	cf::async {
1527	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1528	};	1643	};
1529		1644
1530	if ($uniq) {	1645	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	1648	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	1650	}
1536	}	1651	}
1537		1652
1538	sub swap_out {	1653	sub swap_out {
1539	my ($self) = @_;	1654	my ($self) = @_;
…		…
1553		1668
1554	sub reset_at {	1669	sub reset_at {
1555	my ($self) = @_;	1670	my ($self) = @_;
1556		1671
1557	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1559	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1560		1675
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		1678
…		…
1568	my ($self) = @_;	1683	my ($self) = @_;
1569		1684
1570	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1571	}	1686	}
1572		1687
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	1688	sub reset {
1587	my ($self) = @_;	1689	my ($self) = @_;
1588		1690
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		1692
1591	return if $self->players;	1693	return if $self->players;
1592	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1593		1695
1594	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1595		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1596	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
1597		1709
		1710	$self->clear;
		1711
1598	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1599		1713
1600	$self->{path}->unlink_save;	1714	$self->unlink_save;
1601	$self->destroy;	1715	$self->destroy;
1602	}	1716	}
1603		1717
1604	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1605		1719
1606	sub nuke {	1720	sub nuke {
1607	my ($self) = @_;	1721	my ($self) = @_;
1608		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1612	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1613	}	1736	}
1614		1737
1615	=item cf::map::unique_maps	1738	=item cf::map::unique_maps
1616		1739
1617	Returns an arrayref of cf::path's of all shared maps that have	1740	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	1741	instantiated unique items. May block.
1619		1742
1620	=cut	1743	=cut
1621		1744
1622	sub unique_maps() {	1745	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1624	or return;	1747	or return;
1625		1748
1626	my @paths;	1749	my @paths;
1627		1750
1628	for (@$files) {	1751	for (@$files) {
1629	utf8::decode $_;	1752	utf8::decode $_;
1630	next if /\.pst$/;	1753	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1632		1755
1633	push @paths, new cf::path $_;	1756	push @paths, cf::map::normalise $_;
1634	}	1757	}
1635		1758
1636	\@paths	1759	\@paths
1637	}	1760	}
1638		1761
…		…
1713		1836
1714	=item $player_object->enter_link	1837	=item $player_object->enter_link
1715		1838
1716	Freezes the player and moves him/her to a special map (C<{link}>).	1839	Freezes the player and moves him/her to a special map (C<{link}>).
1717		1840
1718	The player should be reaosnably safe there for short amounts of time. You	1841	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1720		1843
		1844	Will never block.
		1845
1721	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1722		1847
1723	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	1851	fails, to the emergency map position.
1727		1852
1728	Might block.	1853	Might block.
1729		1854
1730	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($LINK_MAP) {
		1859	$LINK_MAP = cf::map::find "{link}"
		1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1861	$LINK_MAP->load;
		1862	}
		1863
		1864	$LINK_MAP
		1865	}
1731		1866
1732	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1733	my ($self) = @_;	1868	my ($self) = @_;
1734		1869
1735	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1736		1871
1737	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		1873
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	1875	if $self->map;
1741		1876
1742	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	1878	}
1744		1879
1745	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1747		1882
…		…
1769	$map->load;	1904	$map->load;
1770	$map->load_diag;	1905	$map->load_diag;
1771		1906
1772	return unless $self->contr->active;	1907	return unless $self->contr->active;
1773	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1775	}	1912	}
1776		1913
1777	cf::player->attach (	1914	cf::player->attach (
1778	on_logout => sub {	1915	on_logout => sub {
…		…
1791	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes	1929	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1795	(async {	1932	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1802	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1804	})->prio (2);	1941	})->prio (2);
1805	}	1942	}
1806	},	1943	},
…		…
1811	=cut	1948	=cut
1812		1949
1813	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1815		1952
1816	$path = new cf::path $path;
1817
1818	$self->enter_link;	1953	$self->enter_link;
1819		1954
1820	(async {	1955	(async {
		1956	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1823		1959	$map
1824	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1825	# if $map;
1826
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1828		1962
1829	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1830	})->prio (1);	1964	})->prio (1);
1831	}	1965	}
1832		1966
…		…
1836		1970
1837	sub parse_random_map_params {	1971	sub parse_random_map_params {
1838	my ($spec) = @_;	1972	my ($spec) = @_;
1839		1973
1840	my $rmp = { # defaults	1974	my $rmp = { # defaults
1841	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1843	};	1979	};
1844		1980
1845	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1847		1983
…		…
1851	$rmp	1987	$rmp
1852	}	1988	}
1853		1989
1854	sub prepare_random_map {	1990	sub prepare_random_map {
1855	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		1994
1857	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	1997	# that depends on the exit object
1860		1998
1861	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1862		2000
1863	if ($exit->map) {	2001	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1868	}	2006	}
1869		2007
1870	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1871		2009
1872	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1874		2013
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1877		2018
1878	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2020	$exit->msg (undef);
1880	}	2021	}
1881	}	2022	}
1882		2023
1883	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1885		2026
1886	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
1887		2039
1888	$self->enter_link;	2040	$self->enter_link;
1889		2041
1890	(async {	2042	(async {
1891	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2044	unless (eval {
1893	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2046
1899	1;	2047	1;
1900	}) {	2048	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2053
1906	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2055	$self->leave_link;
1908	}	2056	}
1909	})->prio (1);	2057	})->prio (1);
…		…
1922		2070
1923	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1925		2073
1926	utf8::encode $text;	2074	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2076	}
1929		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1930		2090
1931	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1932		2092
1933	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1963	# get handled first	2123	# get handled first
1964	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2126
1967	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2129
1969	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1970		2131
1971	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2133	if (@$queue) {
…		…
2030		2191
2031	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2032		2193
2033	=pod	2194	=pod
2034		2195
2035	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2036		2197
2037	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2038	cf::object::player player	2199	cf::object::player player
2039	cf::player peaceful	2200	cf::player peaceful
2040	cf::map trigger	2201	cf::map trigger
…		…
2125	#############################################################################	2286	#############################################################################
2126		2287
2127	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2128		2289
2129	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2130	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2131	excludes objects.	2292	convert to/from binary).
2132		2293
2133	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2134	using it, it should be unique.	2295	using it, it should be unique.
2135		2296
2136	=over 4	2297	=over 4
2137		2298
2138	=item $hashref = cf::db_get $family
2139
2140	Return a hashref for use by the extension C<$family>, which can be
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143
2144	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2145		2300
2146	Returns a single value from the database	2301	Returns a single value from the database.
2147
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152		2302
2153	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2154		2304
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165		2306
2166	=cut	2307	=cut
2167		2308
2168	our $DB;	2309	our $DB;
2169		2310
2170	{	2311	sub db_init {
2171	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2172		2314
2173	sub db_load() {	2315	cf::sync_job {
2174	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2175	}	2317	$DB->set_flags (BDB::CHKSUM);
2176		2318
2177	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2178		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2179	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2180	waitpid $pid, 0 if $pid;	2322	};
2181	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}	2324	};
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2325	}
		2326	}
2199		2327
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}
2204
2205	sub db_get($;$) {	2328	sub db_get($$) {
2206	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2207	? $DB->{$_[0]}{$_[1]}
2208	: ($DB->{$_[0]} ||= { })
2209	}
2210		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2211	sub db_put($$;$) {	2339	sub db_put($$$) {
2212	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2213	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2214	} else {	2342	}
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219		2343
2220	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2221	prio => 10000,	2345
2222	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2223	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2224	},	2376	}
2225	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2226	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2227		2459
2228	#############################################################################	2460	#############################################################################
2229	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2230		2549
2231	sub cfg_load {	2550	sub cfg_load {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	2552	or return;
2234		2553
2235	local $/;	2554	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2237		2556
…		…
2251		2570
2252	sub main {	2571	sub main {
2253	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2575	(async {
2256	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2257	};	2578	};
2258		2579
2259	cfg_load;	2580	cfg_load;
2260	db_load;	2581	db_init;
2261	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2262	Event::loop;	2585	Event::loop;
2263	}	2586	}
2264		2587
2265	#############################################################################	2588	#############################################################################
2266	# initialisation and cleanup	2589	# initialisation and cleanup
2267		2590
2268	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2269	BEGIN {	2592	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2272	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2273	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2274	cb => sub {	2599	cb => sub {
2275	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2276	},	2601	},
2277	);	2602	);
2278	}	2603	}
2279	}	2604	}
…		…
2284	warn "enter emergency perl save\n";	2609	warn "enter emergency perl save\n";
2285		2610
2286	cf::sync_job {	2611	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	2612	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	2613	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	2614	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	2615	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	2616	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	2617	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	2618	$pl->valid or next;
2294	$pl->save;	2619	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	2626	$map->valid or next;
2302	$map->save;	2627	$map->save;
2303	}	2628	}
2304	warn "end emergency map save\n";	2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2305	};	2634	};
2306		2635
2307	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2308	}	2637	}
2309		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2310	sub reload() {	2646	sub do_reload_perl() {
2311	# can/must only be called in main	2647	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2314	return;	2650	return;
2315	}	2651	}
2316		2652
2317	warn "reloading...";	2653	warn "reloading...";
2318		2654
2319	warn "freezing server";	2655	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2322		2661
2323	warn "sync database to disk";	2662	warn "syncing database to disk";
2324	cf::db_sync;	2663	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		2664
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2329		2666
2330	warn "cancel all watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	2670	}
2334		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2335	warn "cancel all extension coros";	2683	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	2685	%EXT_CORO = ();
2338		2686
2339	warn "remove commands";	2687	warn "removing commands";
2340	%COMMAND = ();	2688	%COMMAND = ();
2341		2689
2342	warn "remove ext commands";	2690	warn "removing ext commands";
2343	%EXTCMD = ();	2691	%EXTCMD = ();
2344		2692
2345	warn "unload/nuke all extensions";	2693	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	2694	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	2695	warn "... unloading $pkg";
2348		2696
2349	if (my $cb = $pkg->can ("unload")) {	2697	if (my $cb = $pkg->can ("unload")) {
2350	eval {	2698	eval {
…		…
2355		2703
2356	warn "... nuking $pkg";	2704	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	2705	Symbol::delete_package $pkg;
2358	}	2706	}
2359		2707
2360	warn "unload all perl modules loaded from $LIBDIR";	2708	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		2711
2364	warn "removing <$k>";	2712	warn "... unloading $k";
2365	delete $INC{$k};	2713	delete $INC{$k};
2366		2714
2367	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2369		2717
…		…
2372	}	2720	}
2373		2721
2374	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2375	}	2723	}
2376		2724
2377	warn "get rid of safe::, as good as possible";	2725	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		2728
2381	warn "unload cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2383		2732
2384	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2385	# and global variables created in xs	2734	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2387		2736
		2737	warn "unload completed, starting to reload now";
		2738
2388	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2389	require cf;	2740	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		2742
2392	warn "load config and database again";	2743	warn "loading config and database again";
2393	cf::cfg_load;	2744	cf::cfg_load;
2394	cf::db_load;
2395		2745
2396	warn "load extensions";	2746	warn "loading extensions";
2397	cf::load_extensions;	2747	cf::load_extensions;
2398		2748
2399	warn "reattach attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2400	_global_reattach;	2750	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	2751	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2403	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2404		2755
2405	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2406	warn $@;	2760	warn $@;
2407	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2408	exit 1;	2762	exit 1;
2409	}	2763	};
2410		2764
2411	warn "reloaded";	2765	warn "reloaded";
2412	};	2766	};
2413		2767
2414	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2415		2769
2416	unless ($LINK_MAP) {	2770	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
2418		2773
2419	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	2775	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2429	cb => sub {	2778	cb => sub {
2430	$_[0]->w->cancel;	2779	do_reload_perl;
2431		2780	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	2781	},
2450		2782	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	2783	}
2456		2784
2457	register_command "reload" => sub {	2785	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2459		2787
2460	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2464	}	2791	}
2465	};	2792	};
2466		2793
2467	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2468		2818
2469	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2471	prio => 0,	2822	prio => 0,
2472	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2474	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
2475	$NOW = Event::time;	2832	$NOW = Event::time;
2476		2833
2477	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2478	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2480		2838
2481	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
2483		2849
2484	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2486		2852
2487	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2489	},	2864	},
2490	);	2865	);
2491		2866
		2867	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2493		2869	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	2870	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2496	poll => 'r',	2872	poll => 'r',
2497	prio => 5,	2873	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2504	after => 0,	2875	cb => \&BDB::poll_cb,
2505	interval => 10,	2876	);
2506	cb => sub {	2877	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	2878
2508	write_runtime	2879	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	2913	};
2511	},	2914	}
2512	);	2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
		2922	$AIO_POLL_WATCHER = Event->io (
		2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
		2925	fd => IO::AIO::poll_fileno,
		2926	poll => 'r',
		2927	prio => 6,
		2928	cb => \&IO::AIO::poll_cb,
		2929	);
		2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2513		2972
2514	END { cf::emergency_save }	2973	END { cf::emergency_save }
2515		2974
2516	1	2975	1
2517		2976

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