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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	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
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	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;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
63		94
64	binmode STDOUT;	95	binmode STDOUT;
65	binmode STDERR;	96	binmode STDERR;
66		97
67	# read virtual server time, if available	98	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
72	}	103	}
73		104
74	mkdir cf::localdir;	105	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		107
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
83		111
84	#############################################################################	112	#############################################################################
85		113
86	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
87		115
…		…
94	=item $cf::RUNTIME	122	=item $cf::RUNTIME
95		123
96	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
97	every server tick.	125	every server tick.
98		126
99	=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
100		130
101	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		135
104	=item $cf::NOW	136	=item $cf::NOW
105		137
106	The time of the last (current) server tick.	138	The time of the last (current) server tick.
107		139
…		…
112	=item %cf::CFG	144	=item %cf::CFG
113		145
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	147	from wherever your confdir points to.
116		148
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		150
119	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
120	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
121	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.
122	window of cpu time available, or simply to synchronise to the server tick.
123		154
124	=back	155	=back
125		156
126	=cut	157	=cut
127		158
128	BEGIN {	159	BEGIN {
129	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	161	my $msg = join "", @_;
131	utf8::encode $msg;
132		162
133	$msg .= "\n"	163	$msg .= "\n"
134	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
135		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
136	LOG llevError, $msg;	169	LOG llevError, $msg;
137	};	170	};
138	}	171	}
139		172
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
186	$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;
187	$d	220	$d
188	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
189	}	222	}
190		223
191	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
192		225
193	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
194		227
195	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
196		229
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
205		231
206	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		233
215	=item cf::lock_wait $string	234	=item cf::lock_wait $string
216		235
217	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
218		237
…		…
224	returned.	243	returned.
225		244
226	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
227	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
228		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
229	=cut	252	=cut
230		253
231	our %LOCK;	254	our %LOCK;
232		255
233	sub lock_wait($) {	256	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
254	}	277	}
255	}	278	}
256		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
257	sub freeze_mainloop {	286	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
259		288
260	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
261	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
262	$guard	293	$guard
263	}	294	}
264		295
265	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
336		367
337	$coro	368	$coro
338	}	369	}
339		370
340	sub write_runtime {	371	sub write_runtime {
341	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
342		375
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	377	or return;
345		378
		379	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	384	and return;
349		385
		386	# always fsync - this file is important
350	aio_fsync $fh	387	aio_fsync $fh
351	and return;	388	and return;
352		389
353	close $fh	390	close $fh
354	or return;	391	or return;
…		…
357	and return;	394	and return;
358		395
359	1	396	1
360	}	397	}
361		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
362	=back	410	=back
363		411
364	=cut	412	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		413
493	#############################################################################	414	#############################################################################
494		415
495	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
496		417
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	544	our @CB_MAP = ();
624		545
625	my %attachment;	546	my %attachment;
626		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
627	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
629		556
630	use sort 'stable';	557	use sort 'stable';
631		558
…		…
802	# object support	729	# object support
803		730
804	sub reattach {	731	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		736
808	my $registry = $obj->registry;	737	my $registry = $obj->registry;
809		738
810	@$registry = ();	739	@$registry = ();
811		740
…		…
858	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
859		788
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	793	close $fh;
865		794
866	if (@$objs) {	795	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	801	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
874	}	803	}
875	} else {	804	} else {
876	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	916	my $base = $1;
988	my $pkg = $1;	917	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
991		920
992	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
993		922
994	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
995	or die "$path: $!";	924	or die "$path: $!";
996		925
997	my $source =	926	my $source =
998	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1001	. "\n};\n1";	930	. "\n};\n1";
1002		931
1003	eval $source	932	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	934	: "extension disabled.\n";
		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		936	warn $@;
		937	warn "mandatory extension failed to load, exiting.\n";
		938	exit 1;
		939	}
		940	die $@;
		941	}
1006		942
1007	push @EXTS, $pkg;	943	push @EXTS, $pkg;
1008	}	944	}
1009		945
1010	sub load_extensions {	946	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1017	}	953	}
1018	}	954	}
1019		955
1020	#############################################################################	956	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		957
1036	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1037		959
1038	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1039		961
…		…
1052	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1053		975
1054	=cut	976	=cut
1055		977
1056	sub playerdir($) {	978	sub playerdir($) {
1057	cf::localdir	979	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	981	}
1063		982
1064	sub path($) {	983	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		985
1067	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1068	}	987	}
1069		988
1070	sub find_active($) {	989	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1075		994
1076	sub exists($) {	995	sub exists($) {
1077	my ($login) = @_;	996	my ($login) = @_;
1078		997
1079	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1081	}	1000	}
1082		1001
1083	sub find($) {	1002	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1004	my $login = $_[0];
1086		1005
1087	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1088		1007
1089	$cf::PLAYER{$_[0]} || do {	1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
1090	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1091	or return;	1017	or return;
1092	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1093	}	1019	}
1094	}	1020	}
…		…
1131		1057
1132	=cut	1058	=cut
1133		1059
1134	sub quit_character {	1060	sub quit_character {
1135	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1136		1064
1137	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1067
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1150	IO::AIO::aio_rmtree $temp;	1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
1151	}	1099	}
1152		1100
1153	=item cf::player::list_logins	1101	=item cf::player::list_logins
1154		1102
1155	Returns am arrayref of all valid playernames in the system, can take a	1103	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1157		1105
1158	=cut	1106	=cut
1159		1107
1160	sub list_logins {	1108	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1110	or return [];
1163		1111
1164	my @logins;	1112	my @logins;
1165		1113
1166	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1175	\@logins	1123	\@logins
1176	}	1124	}
1177		1125
1178	=item $player->maps	1126	=item $player->maps
1179		1127
1180	Returns an arrayref of cf::path's of all maps that are private for this	1128	Returns an arrayref of map paths that are private for this
1181	player. May block.	1129	player. May block.
1182		1130
1183	=cut	1131	=cut
1184		1132
1185	sub maps($) {	1133	sub maps($) {
1186	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1137
1188	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1189	or return;	1139	or return;
1190		1140
1191	my @paths;	1141	my @paths;
…		…
1193	for (@$files) {	1143	for (@$files) {
1194	utf8::decode $_;	1144	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1197		1147
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1149	}
1200		1150
1201	\@paths	1151	\@paths
1202	}	1152	}
1203		1153
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1205		1155
1206	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1207		1157
1208	=cut	1158	=cut
1209		1159
1210	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1212		1162
1213	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1214		1164
1215	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1216	}	1166	}
1217		1167
1218	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1219		1208
1220	=back	1209	=back
1221
1222		1210
1223	=head3 cf::map	1211	=head3 cf::map
1224		1212
1225	=over 4	1213	=over 4
1226		1214
…		…
1229	package cf::map;	1217	package cf::map;
1230		1218
1231	use Fcntl;	1219	use Fcntl;
1232	use Coro::AIO;	1220	use Coro::AIO;
1233		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1234	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1236		1228
1237	sub generate_random_map {	1229	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1232	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1254	}	1374	}
1255		1375
1256	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1257	# all maps in C++...	1377	# all maps in C++...
1258	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1260		1380
1261	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1263	}	1383	}
1264		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1265	sub try_load_header($) {	1393	sub load_header_from($) {
1266	my ($path) = @_;	1394	my ($self, $path) = @_;
1267		1395
1268	utf8::encode $path;	1396	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1270	or return;	1401	or return;
1271		1402
1272	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1273	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1274		1449
1275	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1451	unless $self->default_region;
1277		1452
1278	$map->load_header ($path)	1453	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1454	}
1285		1455
1286	sub find;	1456	sub find;
1287	sub find {	1457	sub find {
1288	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1289		1459
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1461
1295	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1296		1463
1297	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1299		1466	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1467	or return;
1319		1468
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1332		1470
1333	Coro::cede;	1471	$map->load_header
		1472	or return;
1334		1473
1335	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1477	$map->reset;
1337	undef $guard;	1478	undef $guard;
1338	$map = find $path	1479	return find $path;
1339	or return;
1340	}	1480	}
1341		1481
1342	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1343	}	1483	}
1344	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1345		1488
1346	sub load {	1489	sub load {
1347	my ($self) = @_;	1490	my ($self) = @_;
1348		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1349	my $path = $self->{path};	1494	my $path = $self->{path};
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1495	my $guard = cf::lock_acquire "map_load:$path";
1351		1496
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1498
1354	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1355		1500
1356	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1357	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1507	or return;
1359		1508
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1510	if delete $self->{load_original};
1362		1511
1363	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1513	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1515	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1368	}	1517	}
1369	}	1518	}
1370		1519
1371	Coro::cede;	1520	Coro::cede;
1372
1373	# now do the right thing for maps	1521	# now do the right thing for maps
1374	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1375		1524
1376	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1377	$self->{deny_save} = 1;	1526	$self->decay_objects;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1383	$self->set_darkness_map;	1530	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1386	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1387	}	1536	}
1388		1537
		1538	$self->post_load;
1389	Coro::cede;	1539	Coro::cede;
1390		1540
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
		1542	}
		1543
		1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
1392	}	1551	}
1393		1552
1394	# find and load all maps in the 3x3 area around a map	1553	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1554	sub load_diag {
1396	my ($map) = @_;	1555	my ($map) = @_;
…		…
1426		1585
1427	cf::sync_job { $map->load };	1586	cf::sync_job { $map->load };
1428	}	1587	}
1429		1588
1430	our %MAP_PREFETCH;	1589	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1590	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1591
1446	sub find_async {	1592	sub find_async {
1447	my ($path, $origin) = @_;	1593	my ($path, $origin) = @_;
1448		1594
1449	$path = new cf::path $path, $origin && $origin->path;	1595	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1596
1452	if (my $map = $cf::MAP{$key}) {	1597	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1599	}
1455		1600
1456	$MAP_PREFETCH{$key} = $path;	1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
		1607	$map->load;
		1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
		1613	};
1457	$MAP_PREFETCHER->ready;	1614	$MAP_PREFETCHER->prio (6);
1458		1615
1459	()	1616	()
1460	}	1617	}
1461		1618
1462	sub save {	1619	sub save {
…		…
1466		1623
1467	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1468		1625
1469	return unless $self->dirty;	1626	return unless $self->dirty;
1470		1627
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1630
1474	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1475		1632
1476	return if $self->{deny_save};	1633	return if $self->{deny_save};
1477		1634
…		…
1480	cf::async {	1637	cf::async {
1481	$_->contr->save for $self->players;	1638	$_->contr->save for $self->players;
1482	};	1639	};
1483		1640
1484	if ($uniq) {	1641	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1644	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1646	}
1490	}	1647	}
1491		1648
1492	sub swap_out {	1649	sub swap_out {
1493	my ($self) = @_;	1650	my ($self) = @_;
…		…
1507		1664
1508	sub reset_at {	1665	sub reset_at {
1509	my ($self) = @_;	1666	my ($self) = @_;
1510		1667
1511	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1514		1671
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1674
…		…
1522	my ($self) = @_;	1679	my ($self) = @_;
1523		1680
1524	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1525	}	1682	}
1526		1683
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1684	sub reset {
1549	my ($self) = @_;	1685	my ($self) = @_;
1550		1686
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1688
1553	return if $self->players;	1689	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1555		1691
1556	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1557		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1558	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1559		1707
1560	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1561		1709
1562	$self->unlink_save;	1710	$self->unlink_save;
1563	$self->destroy;	1711	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1567		1715
1568	sub nuke {	1716	sub nuke {
1569	my ($self) = @_;	1717	my ($self) = @_;
1570		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1574	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1575	}	1732	}
1576		1733
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1734	=item cf::map::unique_maps
1588		1735
1589	Returns an arrayref of cf::path's of all shared maps that have	1736	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1737	instantiated unique items. May block.
1591		1738
1592	=cut	1739	=cut
1593		1740
1594	sub unique_maps() {	1741	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1742	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1743	or return;
1597		1744
1598	my @paths;	1745	my @paths;
1599		1746
1600	for (@$files) {	1747	for (@$files) {
1601	utf8::decode $_;	1748	utf8::decode $_;
1602	next if /\.pst$/;	1749	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1750	next unless /^$PATH_SEP/o;
1604		1751
1605	push @paths, new cf::path $_;	1752	push @paths, cf::map::normalise $_;
1606	}	1753	}
1607		1754
1608	\@paths	1755	\@paths
1609	}	1756	}
1610		1757
…		…
1685		1832
1686	=item $player_object->enter_link	1833	=item $player_object->enter_link
1687		1834
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1835	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1836
1690	The player should be reaosnably safe there for short amounts of time. You	1837	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1692		1839
		1840	Will never block.
		1841
1693	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1694		1843
1695	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1847	fails, to the emergency map position.
1699		1848
1700	Might block.	1849	Might block.
1701		1850
1702	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
1703		1862
1704	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1864	my ($self) = @_;
1706		1865
1707	$self->deactivate_recursive;	1866	$self->deactivate_recursive;
1708		1867
1709	return if $self->map == $LINK_MAP;	1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1869
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1871	if $self->map;
1713		1872
1714	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1874	}
1716		1875
1717	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1719		1878
…		…
1741	$map->load;	1900	$map->load;
1742	$map->load_diag;	1901	$map->load_diag;
1743		1902
1744	return unless $self->contr->active;	1903	return unless $self->contr->active;
1745	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1747	}	1908	}
1748		1909
1749	cf::player->attach (	1910	cf::player->attach (
1750	on_logout => sub {	1911	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1924	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1925	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1926	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1927	$pl->ob->enter_link;
1767	(async {	1928	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,	1929	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1930	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1931	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1932	cf::NDI_RED);
		1933	# we need this sleep as the login has a concurrent enter_exit running
		1934	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1935	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1936	$pl->ob->leave_link;
1776	})->prio (2);	1937	})->prio (2);
1777	}	1938	}
1778	},	1939	},
…		…
1783	=cut	1944	=cut
1784		1945
1785	sub cf::object::player::goto {	1946	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1787		1948
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1949	$self->enter_link;
1791		1950
1792	(async {	1951	(async {
		1952	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1953	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1795		1955	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1958
1801	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1960	})->prio (1);
1803	}	1961	}
1804		1962
…		…
1808		1966
1809	sub parse_random_map_params {	1967	sub parse_random_map_params {
1810	my ($spec) = @_;	1968	my ($spec) = @_;
1811		1969
1812	my $rmp = { # defaults	1970	my $rmp = { # defaults
1813	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1815	};	1975	};
1816		1976
1817	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1819		1979
…		…
1823	$rmp	1983	$rmp
1824	}	1984	}
1825		1985
1826	sub prepare_random_map {	1986	sub prepare_random_map {
1827	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1990
1829	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1993	# that depends on the exit object
1832		1994
1833	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1834		1996
1835	if ($exit->map) {	1997	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1840	}	2002	}
1841		2003
1842	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1843		2005
1844	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1846		2009
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1849		2014
1850	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2016	$exit->msg (undef);
1852	}	2017	}
1853	}	2018	}
1854		2019
1855	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1857		2022
1858	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
1859		2035
1860	$self->enter_link;	2036	$self->enter_link;
1861		2037
1862	(async {	2038	(async {
1863	$self->deactivate_recursive; # just to be sure	2039	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2040	unless (eval {
1865	prepare_random_map $exit	2041	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2042
1871	1;	2043	1;
1872	}) {	2044	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2047	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2049
1878	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2051	$self->leave_link;
1880	}	2052	}
1881	})->prio (1);	2053	})->prio (1);
…		…
1894		2066
1895	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1897		2069
1898	utf8::encode $text;	2070	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2072	}
1901		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1902		2086
1903	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1904		2088
1905	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2119	# get handled first
1936	my $queue = delete $ns->{query_queue}	2120	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2122
1939	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2125
1941	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1942		2127
1943	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2129	if (@$queue) {
…		…
2002		2187
2003	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
2004		2189
2005	=pod	2190	=pod
2006		2191
2007	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
2008		2193
2009	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2195	cf::object::player player
2011	cf::player peaceful	2196	cf::player peaceful
2012	cf::map trigger	2197	cf::map trigger
…		…
2097	#############################################################################	2282	#############################################################################
2098		2283
2099	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
2100		2285
2101	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2288	convert to/from binary).
2104		2289
2105	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2291	using it, it should be unique.
2107		2292
2108	=over 4	2293	=over 4
2109		2294
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
2117		2296
2118	Returns a single value from the database	2297	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2298
2125	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
2126		2300
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2302
2138	=cut	2303	=cut
2139		2304
2140	our $DB;	2305	our $DB;
2141		2306
2142	{	2307	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
2144		2310
2145	sub db_load() {	2311	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2312	eval {
2147	}	2313	$DB->set_flags (BDB::CHKSUM);
2148		2314
2149	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2318	};
2153	if (0 == ($pid = fork)) {	2319	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2320	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2321	}
		2322	}
2171		2323
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2324	sub db_get($$) {
2178	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
2183	sub db_put($$;$) {	2335	sub db_put($$$) {
2184	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2338	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2339
2192	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2341
2194	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
2196	},	2372	}
2197	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
2198	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
2199		2454
2200	#############################################################################	2455	#############################################################################
2201	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
2202		2544
2203	sub cfg_load {	2545	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2547	or return;
2206		2548
2207	local $/;	2549	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
2209		2551
…		…
2223		2565
2224	sub main {	2566	sub main {
2225	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2570	(async {
2228	async { Event::one_event };	2571	Event::one_event;
		2572	})->prio (Coro::PRIO_MAX);
2229	};	2573	};
2230		2574
2231	cfg_load;	2575	cfg_load;
2232	db_load;	2576	db_init;
2233	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
2234	Event::loop;	2580	Event::loop;
2235	}	2581	}
2236		2582
2237	#############################################################################	2583	#############################################################################
2238	# initialisation and cleanup	2584	# initialisation and cleanup
2239		2585
2240	# install some emergency cleanup handlers	2586	# install some emergency cleanup handlers
2241	BEGIN {	2587	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2588	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2589	Event->signal (
		2590	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2245	signal => $signal,	2592	signal => $signal,
		2593	prio => 0,
2246	cb => sub {	2594	cb => sub {
2247	cf::cleanup "SIG$signal";	2595	cf::cleanup "SIG$signal";
2248	},	2596	},
2249	);	2597	);
2250	}	2598	}
2251	}	2599	}
…		…
2256	warn "enter emergency perl save\n";	2604	warn "enter emergency perl save\n";
2257		2605
2258	cf::sync_job {	2606	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2607	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2608	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2609	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2610	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2611	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2612	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2613	$pl->valid or next;
2266	$pl->save;	2614	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2620	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2621	$map->valid or next;
2274	$map->save;	2622	$map->save;
2275	}	2623	}
2276	warn "end emergency map save\n";	2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
2277	};	2629	};
2278		2630
2279	warn "leave emergency perl save\n";	2631	warn "leave emergency perl save\n";
2280	}	2632	}
2281		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
2282	sub reload() {	2641	sub do_reload_perl() {
2283	# can/must only be called in main	2642	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
2286	return;	2645	return;
2287	}	2646	}
2288		2647
2289	warn "reloading...";	2648	warn "reloading...";
2290		2649
2291	warn "freezing server";	2650	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
2294		2656
2295	warn "sync database to disk";	2657	warn "syncing database to disk";
2296	cf::db_sync;	2658	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2659
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
2301		2661
2302	warn "cancel all watchers";	2662	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2665	}
2306		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
2307	warn "cancel all extension coros";	2678	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2680	%EXT_CORO = ();
2310		2681
2311	warn "remove commands";	2682	warn "removing commands";
2312	%COMMAND = ();	2683	%COMMAND = ();
2313		2684
2314	warn "remove ext commands";	2685	warn "removing ext commands";
2315	%EXTCMD = ();	2686	%EXTCMD = ();
2316		2687
2317	warn "unload/nuke all extensions";	2688	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2689	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2690	warn "... unloading $pkg";
2320		2691
2321	if (my $cb = $pkg->can ("unload")) {	2692	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2693	eval {
2323	$cb->($pkg);	2694	$cb->($pkg);
2324	1	2695	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2696	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2697	}
2327		2698
		2699	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2700	Symbol::delete_package $pkg;
2329	}	2701	}
2330		2702
2331	warn "unload all perl modules loaded from $LIBDIR";	2703	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2706
2335	warn "removing <$k>";	2707	warn "... unloading $k";
2336	delete $INC{$k};	2708	delete $INC{$k};
2337		2709
2338	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
2340		2712
…		…
2343	}	2715	}
2344		2716
2345	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
2346	}	2718	}
2347		2719
2348	warn "get rid of safe::, as good as possible";	2720	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2723
2352	warn "unload cf.pm \"a bit\"";	2724	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
2354		2727
2355	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2729	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
2358		2731
		2732	warn "unload completed, starting to reload now";
		2733
2359	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
2360	require cf;	2735	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2737
2363	warn "load config and database again";	2738	warn "loading config and database again";
2364	cf::cfg_load;	2739	cf::cfg_load;
2365	cf::db_load;
2366		2740
2367	warn "load extensions";	2741	warn "loading extensions";
2368	cf::load_extensions;	2742	cf::load_extensions;
2369		2743
2370	warn "reattach attachments to objects/players";	2744	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2745	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2746	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2747	reattach $_ for values %MAP;
2374	};	2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
2375		2750
2376	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
2377	warn $@;	2755	warn $@;
2378	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
2379	exit 1;	2757	exit 1;
2380	}	2758	};
2381		2759
2382	warn "reloaded";	2760	warn "reloaded";
2383	};	2761	};
2384		2762
2385	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
2386		2764
2387	unless ($LINK_MAP) {	2765	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
2389		2768
2390	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2770	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2400	cb => sub {	2773	cb => sub {
2401	$_[0]->w->cancel;	2774	do_reload_perl;
2402		2775	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	2776	},
2421		2777	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2778	}
2427		2779
2428	register_command "reload" => sub {	2780	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2430		2782
2431	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2435	}	2786	}
2436	};	2787	};
2437		2788
2438	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
2439		2813
2440	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2442	prio => 0,	2817	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2445	cb => sub {	2820	cb => sub {
		2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
		2827	$NOW = Event::time;
		2828
2446	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2447	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
2449		2833
2450	$WAIT_FOR_TICK->broadcast;	2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
2452		2844
2453	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2847
2456	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2458	},	2859	},
2459	);	2860	);
2460		2861
		2862	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2462		2864	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2865	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2465	poll => 'r',	2867	poll => 'r',
2466	prio => 5,	2868	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2473	after => 0,	2870	cb => \&BDB::poll_cb,
2474	interval => 10,	2871	);
2475	cb => sub {	2872	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2873
2477	write_runtime	2874	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2908	};
2480	},	2909	}
2481	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
2482		2929
2483	END { cf::emergency_save }	2930	END { cf::emergency_save }
2484		2931
2485	1	2932	1
2486		2933

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