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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 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	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		416
522	#############################################################################	417	#############################################################################
523		418
524	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
525		420
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	547	our @CB_MAP = ();
653		548
654	my %attachment;	549	my %attachment;
655		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
656	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
658		559
659	use sort 'stable';	560	use sort 'stable';
660		561
…		…
831	# object support	732	# object support
832		733
833	sub reattach {	734	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		739
837	my $registry = $obj->registry;	740	my $registry = $obj->registry;
838		741
839	@$registry = ();	742	@$registry = ();
840		743
…		…
887	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
888		791
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	796	close $fh;
894		797
895	if (@$objs) {	798	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	804	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
903	}	806	}
904	} else {	807	} else {
905	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
1027	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1030	. "\n};\n1";	933	. "\n};\n1";
1031		934
1032	eval $source	935	unless (eval $source) {
1033	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1034	: "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	}
1035		945
1036	push @EXTS, $pkg;	946	push @EXTS, $pkg;
1037	}	947	}
1038		948
1039	sub load_extensions {	949	sub load_extensions {
…		…
1045	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1046	}	956	}
1047	}	957	}
1048		958
1049	#############################################################################	959	#############################################################################
1050	# load/save/clean perl data associated with a map
1051
1052	*cf::mapsupport::on_clean = sub {
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		960
1065	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1066		962
1067	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1068		964
…		…
1081	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1082		978
1083	=cut	979	=cut
1084		980
1085	sub playerdir($) {	981	sub playerdir($) {
1086	cf::localdir	982	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	984	}
1092		985
1093	sub path($) {	986	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		988
1096	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1097	}	990	}
1098		991
1099	sub find_active($) {	992	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1104		997
1105	sub exists($) {	998	sub exists($) {
1106	my ($login) = @_;	999	my ($login) = @_;
1107		1000
1108	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1110	}	1003	}
1111		1004
1112	sub find($) {	1005	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1007	my $login = $_[0];
1115		1008
1116	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1117		1010
1118	$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
1119	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1120	or return;	1020	or return;
1121	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1122	}	1022	}
1123	}	1023	}
…		…
1160		1060
1161	=cut	1061	=cut
1162		1062
1163	sub quit_character {	1063	sub quit_character {
1164	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1165		1067
1166	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1167	$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
1168		1070
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1102	}
1181		1103
1182	=item cf::player::list_logins	1104	=item cf::player::list_logins
1183		1105
1184	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
1185	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1186		1108
1187	=cut	1109	=cut
1188		1110
1189	sub list_logins {	1111	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1113	or return [];
1192		1114
1193	my @logins;	1115	my @logins;
1194		1116
1195	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1204	\@logins	1126	\@logins
1205	}	1127	}
1206		1128
1207	=item $player->maps	1129	=item $player->maps
1208		1130
1209	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
1210	player. May block.	1132	player. May block.
1211		1133
1212	=cut	1134	=cut
1213		1135
1214	sub maps($) {	1136	sub maps($) {
1215	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1140
1217	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1218	or return;	1142	or return;
1219		1143
1220	my @paths;	1144	my @paths;
…		…
1222	for (@$files) {	1146	for (@$files) {
1223	utf8::decode $_;	1147	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1226		1150
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1151	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1152	}
1229		1153
1230	\@paths	1154	\@paths
1231	}	1155	}
1232		1156
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1234		1158
1235	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1236		1160
1237	=cut	1161	=cut
1238		1162
1239	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1241		1165
1242	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1243		1167
1244	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1245	}	1169	}
1246		1170
1247	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		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	}
1248		1211
1249	=back	1212	=back
1250
1251		1213
1252	=head3 cf::map	1214	=head3 cf::map
1253		1215
1254	=over 4	1216	=over 4
1255		1217
…		…
1258	package cf::map;	1220	package cf::map;
1259		1221
1260	use Fcntl;	1222	use Fcntl;
1261	use Coro::AIO;	1223	use Coro::AIO;
1262		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1263	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1265		1231
1266	sub generate_random_map {	1232	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1235	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
		1247	)
		1248	}
		1249
		1250	=item cf::map->register ($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"
1283	}	1377	}
1284		1378
1285	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1286	# all maps in C++...	1380	# all maps in C++...
1287	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1289		1383
1290	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1292	}	1386	}
1293		1387
		1388	sub unlink_save {
		1389	my ($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
1294	sub load_map_header($) {	1396	sub load_header_from($) {
1295	my ($path) = @_;	1397	my ($self, $path) = @_;
1296		1398
1297	utf8::encode $path;	1399	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1299	or return;	1404	or return;
1300		1405
1301	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
1302	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1303		1452
1304	# for better error messages only, will be overwritten later	1453	$self->default_region (cf::region::find_by_path $self->{path})
1305	$map->path ($path);	1454	unless $self->default_region;
1306		1455
1307	$map->load_header ($path)	1456	1
1308	or return;
1309
1310	$map->{load_path} = $path;
1311
1312	$map
1313	}	1457	}
1314		1458
1315	sub find;	1459	sub find;
1316	sub find {	1460	sub find {
1317	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1318		1462
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1464
1324	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1325		1466
1326	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1328		1469	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1470	or return;
1343		1471
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1356		1473
1357	Coro::cede;	1474	$map->load_header
		1475	or return;
1358		1476
1359	if ($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;
1360	$map->reset;	1480	$map->reset;
1361	undef $guard;	1481	undef $guard;
1362	$map = find $path	1482	return find $path;
1363	or return;
1364	}	1483	}
1365		1484
1366	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1367	}	1486	}
1368	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1369		1491
1370	sub load {	1492	sub load {
1371	my ($self) = @_;	1493	my ($self) = @_;
1372		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1373	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1375		1501
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1503
1378	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1379		1505
1380	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1381	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1512	or return;
1383		1513
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1515	if delete $self->{load_original};
1386		1516
1387	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1518	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1520	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1392	}	1522	}
1393	}	1523	}
1394		1524
1395	Coro::cede;	1525	Coro::cede;
1396
1397	# now do the right thing for maps	1526	# now do the right thing for maps
1398	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1539	$self->activate;
1411	}	1540	}
1412		1541
1413	Coro::cede;
1414
1415	$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	$self
1416	}	1555	}
1417		1556
1418	# find and load all maps in the 3x3 area around a map	1557	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1558	sub load_diag {
1420	my ($map) = @_;	1559	my ($map) = @_;
…		…
1450		1589
1451	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1452	}	1591	}
1453		1592
1454	our %MAP_PREFETCH;	1593	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1594	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1595
1470	sub find_async {	1596	sub find_async {
1471	my ($path, $origin) = @_;	1597	my ($path, $origin) = @_;
1472		1598
1473	$path = new cf::path $path, $origin && $origin->path;	1599	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1600
1476	if (my $map = $cf::MAP{$key}) {	1601	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1603	}
1479		1604
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1618	$MAP_PREFETCHER->prio (6);
1482		1619
1483	()	1620	()
1484	}	1621	}
1485		1622
1486	sub save {	1623	sub save {
…		…
1490		1627
1491	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1492		1629
1493	return unless $self->dirty;	1630	return unless $self->dirty;
1494		1631
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1634
1498	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1499		1636
1500	return if $self->{deny_save};	1637	return if $self->{deny_save};
1501		1638
…		…
1504	cf::async {	1641	cf::async {
1505	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1506	};	1643	};
1507		1644
1508	if ($uniq) {	1645	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1648	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1650	}
1514	}	1651	}
1515		1652
1516	sub swap_out {	1653	sub swap_out {
1517	my ($self) = @_;	1654	my ($self) = @_;
…		…
1531		1668
1532	sub reset_at {	1669	sub reset_at {
1533	my ($self) = @_;	1670	my ($self) = @_;
1534		1671
1535	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1538		1675
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1678
…		…
1546	my ($self) = @_;	1683	my ($self) = @_;
1547		1684
1548	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1549	}	1686	}
1550		1687
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1688	sub reset {
1573	my ($self) = @_;	1689	my ($self) = @_;
1574		1690
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1692
1577	return if $self->players;	1693	return if $self->players;
1578	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1579		1695
1580	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1581		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
1582	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1583		1711
1584	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1585		1713
1586	$self->unlink_save;	1714	$self->unlink_save;
1587	$self->destroy;	1715	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1591		1719
1592	sub nuke {	1720	sub nuke {
1593	my ($self) = @_;	1721	my ($self) = @_;
1594		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1598	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1599	}	1736	}
1600		1737
1601	sub customise_for {
1602	my ($map, $ob) = @_;
1603
1604	if ($map->per_player) {
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1606	}
1607
1608	$map
1609	}
1610
1611	=item cf::map::unique_maps	1738	=item cf::map::unique_maps
1612		1739
1613	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
1614	instantiated unique items. May block.	1741	instantiated unique items. May block.
1615		1742
1616	=cut	1743	=cut
1617		1744
1618	sub unique_maps() {	1745	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1620	or return;	1747	or return;
1621		1748
1622	my @paths;	1749	my @paths;
1623		1750
1624	for (@$files) {	1751	for (@$files) {
1625	utf8::decode $_;	1752	utf8::decode $_;
1626	next if /\.pst$/;	1753	next if /\.pst$/;
1627	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1628		1755
1629	push @paths, new cf::path $_;	1756	push @paths, cf::map::normalise $_;
1630	}	1757	}
1631		1758
1632	\@paths	1759	\@paths
1633	}	1760	}
1634		1761
…		…
1709		1836
1710	=item $player_object->enter_link	1837	=item $player_object->enter_link
1711		1838
1712	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}>).
1713		1840
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1716		1843
		1844	Will never block.
		1845
1717	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1718		1847
1719	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	1851	fails, to the emergency map position.
1723		1852
1724	Might block.	1853	Might block.
1725		1854
1726	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($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	$LINK_MAP
		1865	}
1727		1866
1728	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1729	my ($self) = @_;	1868	my ($self) = @_;
1730		1869
1731	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1732		1871
1733	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		1873
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	1875	if $self->map;
1737		1876
1738	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	1878	}
1740		1879
1741	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1743		1882
…		…
1765	$map->load;	1904	$map->load;
1766	$map->load_diag;	1905	$map->load_diag;
1767		1906
1768	return unless $self->contr->active;	1907	return unless $self->contr->active;
1769	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1771	}	1912	}
1772		1913
1773	cf::player->attach (	1914	cf::player->attach (
1774	on_logout => sub {	1915	on_logout => sub {
…		…
1787	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes	1929	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1791	(async {	1932	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1796	. "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.",
1797	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
1798	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1800	})->prio (2);	1941	})->prio (2);
1801	}	1942	}
1802	},	1943	},
…		…
1807	=cut	1948	=cut
1808		1949
1809	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1811		1952
1812	$path = new cf::path $path;
1813
1814	$self->enter_link;	1953	$self->enter_link;
1815		1954
1816	(async {	1955	(async {
		1956	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1818	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1819		1959	$map
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1821	# if $map;
1822
1823	$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);
1824		1962
1825	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1826	})->prio (1);	1964	})->prio (1);
1827	}	1965	}
1828		1966
…		…
1832		1970
1833	sub parse_random_map_params {	1971	sub parse_random_map_params {
1834	my ($spec) = @_;	1972	my ($spec) = @_;
1835		1973
1836	my $rmp = { # defaults	1974	my $rmp = { # defaults
1837	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1839	};	1979	};
1840		1980
1841	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1843		1983
…		…
1847	$rmp	1987	$rmp
1848	}	1988	}
1849		1989
1850	sub prepare_random_map {	1990	sub prepare_random_map {
1851	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		1994
1853	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	1997	# that depends on the exit object
1856		1998
1857	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1858		2000
1859	if ($exit->map) {	2001	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1864	}	2006	}
1865		2007
1866	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1867		2009
1868	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1870		2013
1871	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) {
1872	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;
1873		2018
1874	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2020	$exit->msg (undef);
1876	}	2021	}
1877	}	2022	}
1878		2023
1879	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1881		2026
1882	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;
1883		2039
1884	$self->enter_link;	2040	$self->enter_link;
1885		2041
1886	(async {	2042	(async {
1887	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2044	unless (eval {
1889	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2046
1895	1;	2047	1;
1896	}) {	2048	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2053
1902	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2055	$self->leave_link;
1904	}	2056	}
1905	})->prio (1);	2057	})->prio (1);
…		…
1918		2070
1919	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1921		2073
1922	utf8::encode $text;	2074	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2076	}
1925		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	}
1926		2090
1927	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1928		2092
1929	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1930	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>,
…		…
1959	# get handled first	2123	# get handled first
1960	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1961	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
1962		2126
1963	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2129
1965	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1966		2131
1967	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2133	if (@$queue) {
…		…
2026		2191
2027	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2028		2193
2029	=pod	2194	=pod
2030		2195
2031	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2032		2197
2033	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2034	cf::object::player player	2199	cf::object::player player
2035	cf::player peaceful	2200	cf::player peaceful
2036	cf::map trigger	2201	cf::map trigger
…		…
2121	#############################################################################	2286	#############################################################################
2122		2287
2123	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2124		2289
2125	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2126	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2127	excludes objects.	2292	convert to/from binary).
2128		2293
2129	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
2130	using it, it should be unique.	2295	using it, it should be unique.
2131		2296
2132	=over 4	2297	=over 4
2133		2298
2134	=item $hashref = cf::db_get $family
2135
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2141		2300
2142	Returns a single value from the database	2301	Returns a single value from the database.
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148		2302
2149	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2150		2304
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161		2306
2162	=cut	2307	=cut
2163		2308
2164	our $DB;	2309	our $DB;
2165		2310
2166	{	2311	sub db_init {
2167	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2168		2314
2169	sub db_load() {	2315	cf::sync_job {
2170	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2171	}	2317	$DB->set_flags (BDB::CHKSUM);
2172		2318
2173	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2174		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2175	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2176	waitpid $pid, 0 if $pid;	2322	};
2177	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}	2324	};
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2325	}
		2326	}
2195		2327
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {	2328	sub db_get($$) {
2202	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2207	sub db_put($$;$) {	2339	sub db_put($$$) {
2208	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2209	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2210	} else {	2342	}
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215		2343
2216	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2217	prio => 10000,	2345
2218	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2219	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($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 "$src->[$_]: $!";
2220	},	2376	}
2221	);	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"
2222	}	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
2223		2459
2224	#############################################################################	2460	#############################################################################
2225	# 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	}
2226		2549
2227	sub cfg_load {	2550	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2552	or return;
2230		2553
2231	local $/;	2554	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2233		2556
…		…
2247		2570
2248	sub main {	2571	sub main {
2249	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2251	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 {
2252	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2253	};	2578	};
2254		2579
2255	cfg_load;	2580	cfg_load;
2256	db_load;	2581	db_init;
2257	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2258	Event::loop;	2585	Event::loop;
2259	}	2586	}
2260		2587
2261	#############################################################################	2588	#############################################################################
2262	# initialisation and cleanup	2589	# initialisation and cleanup
2263		2590
2264	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2265	BEGIN {	2592	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2269	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2270	cb => sub {	2599	cb => sub {
2271	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2272	},	2601	},
2273	);	2602	);
2274	}	2603	}
2275	}	2604	}
…		…
2280	warn "enter emergency perl save\n";	2609	warn "enter emergency perl save\n";
2281		2610
2282	cf::sync_job {	2611	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2612	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2613	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2614	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2615	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2616	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2617	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2618	$pl->valid or next;
2290	$pl->save;	2619	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2626	$map->valid or next;
2298	$map->save;	2627	$map->save;
2299	}	2628	}
2300	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";
2301	};	2634	};
2302		2635
2303	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2304	}	2637	}
2305		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2306	sub reload() {	2646	sub do_reload_perl() {
2307	# can/must only be called in main	2647	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2310	return;	2650	return;
2311	}	2651	}
2312		2652
2313	warn "reloading...";	2653	warn "reloading...";
2314		2654
2315	warn "freezing server";	2655	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2318		2661
2319	warn "sync database to disk";	2662	warn "syncing database to disk";
2320	cf::db_sync;	2663	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2664
2323	eval {
2324	# 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
2325		2666
2326	warn "cancel all watchers";	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2670	}
2330		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
2331	warn "cancel all extension coros";	2683	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2685	%EXT_CORO = ();
2334		2686
2335	warn "remove commands";	2687	warn "removing commands";
2336	%COMMAND = ();	2688	%COMMAND = ();
2337		2689
2338	warn "remove ext commands";	2690	warn "removing ext commands";
2339	%EXTCMD = ();	2691	%EXTCMD = ();
2340		2692
2341	warn "unload/nuke all extensions";	2693	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2694	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2695	warn "... unloading $pkg";
2344		2696
2345	if (my $cb = $pkg->can ("unload")) {	2697	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2698	eval {
…		…
2351		2703
2352	warn "... nuking $pkg";	2704	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2705	Symbol::delete_package $pkg;
2354	}	2706	}
2355		2707
2356	warn "unload all perl modules loaded from $LIBDIR";	2708	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2711
2360	warn "removing <$k>";	2712	warn "... unloading $k";
2361	delete $INC{$k};	2713	delete $INC{$k};
2362		2714
2363	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2365		2717
…		…
2368	}	2720	}
2369		2721
2370	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2371	}	2723	}
2372		2724
2373	warn "get rid of safe::, as good as possible";	2725	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2375	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);
2376		2728
2377	warn "unload cf.pm \"a bit\"";	2729	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2379		2732
2380	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2381	# and global variables created in xs	2734	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2383		2736
		2737	warn "unload completed, starting to reload now";
		2738
2384	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2385	require cf;	2740	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		2742
2388	warn "load config and database again";	2743	warn "loading config and database again";
2389	cf::cfg_load;	2744	cf::cfg_load;
2390	cf::db_load;
2391		2745
2392	warn "load extensions";	2746	warn "loading extensions";
2393	cf::load_extensions;	2747	cf::load_extensions;
2394		2748
2395	warn "reattach attachments to objects/players";	2749	warn "reattaching attachments to objects/players";
2396	_global_reattach;	2750	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	2751	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2399	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2400		2755
2401	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2402	warn $@;	2760	warn $@;
2403	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2404	exit 1;	2762	exit 1;
2405	}	2763	};
2406		2764
2407	warn "reloaded";	2765	warn "reloaded";
2408	};	2766	};
2409		2767
2410	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2411		2769
2412	unless ($LINK_MAP) {	2770	sub reload_perl() {
2413	$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.
2414		2773
2415	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	2775	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2425	cb => sub {	2778	cb => sub {
2426	$_[0]->w->cancel;	2779	do_reload_perl;
2427		2780	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	2781	},
2446		2782	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	2783	}
2452		2784
2453	register_command "reload" => sub {	2785	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2455		2787
2456	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2460	}	2791	}
2461	};	2792	};
2462		2793
2463	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	}
2464		2818
2465	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2467	prio => 0,	2822	prio => 0,
2468	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2470	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
		2832	$NOW = Event::time;
		2833
2471	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2472	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2474		2838
2475	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$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#
2477		2849
2478	# 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
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2480		2852
2481	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2482	$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;
2483	},	2864	},
2484	);	2865	);
2485		2866
		2867	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2487		2869	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	2870	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2490	poll => 'r',	2872	poll => 'r',
2491	prio => 5,	2873	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2498	after => 0,	2875	cb => \&BDB::poll_cb,
2499	interval => 10,	2876	);
2500	cb => sub {	2877	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	2878
2502	write_runtime	2879	BDB::set_sync_prepare {
2503	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 $@;
2504	})->();	2913	};
2505	},	2914	}
2506	);	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;
2507		2972
2508	END { cf::emergency_save }	2973	END { cf::emergency_save }
2509		2974
2510	1	2975	1
2511		2976

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