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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 1.260 by root, Fri Apr 27 19:53:05 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};
		1495
		1496	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1351		1498
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1500
1354	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1355		1502
1356	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1357	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1509	or return;
1359		1510
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1512	if delete $self->{load_original};
1362		1513
1363	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1515	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1517	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1368	}	1519	}
1369	}	1520	}
1370		1521
1371	Coro::cede;	1522	Coro::cede;
1372
1373	# now do the right thing for maps	1523	# now do the right thing for maps
1374	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1386	$self->activate;	1536	$self->activate;
1387	}	1537	}
1388		1538
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540	}
		1541
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
1392	}	1552	}
1393		1553
1394	# find and load all maps in the 3x3 area around a map	1554	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1555	sub load_diag {
1396	my ($map) = @_;	1556	my ($map) = @_;
…		…
1426		1586
1427	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1428	}	1588	}
1429		1589
1430	our %MAP_PREFETCH;	1590	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1591	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1592
1446	sub find_async {	1593	sub find_async {
1447	my ($path, $origin) = @_;	1594	my ($path, $origin) = @_;
1448		1595
1449	$path = new cf::path $path, $origin && $origin->path;	1596	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1597
1452	if (my $map = $cf::MAP{$key}) {	1598	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1600	}
1455		1601
1456	$MAP_PREFETCH{$key} = $path;	1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
1457	$MAP_PREFETCHER->ready;	1615	$MAP_PREFETCHER->prio (6);
1458		1616
1459	()	1617	()
1460	}	1618	}
1461		1619
1462	sub save {	1620	sub save {
…		…
1466		1624
1467	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1468		1626
1469	return unless $self->dirty;	1627	return unless $self->dirty;
1470		1628
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1631
1474	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1475		1633
1476	return if $self->{deny_save};	1634	return if $self->{deny_save};
1477		1635
…		…
1480	cf::async {	1638	cf::async {
1481	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1482	};	1640	};
1483		1641
1484	if ($uniq) {	1642	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1645	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1647	}
1490	}	1648	}
1491		1649
1492	sub swap_out {	1650	sub swap_out {
1493	my ($self) = @_;	1651	my ($self) = @_;
…		…
1507		1665
1508	sub reset_at {	1666	sub reset_at {
1509	my ($self) = @_;	1667	my ($self) = @_;
1510		1668
1511	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1514		1672
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1675
…		…
1522	my ($self) = @_;	1680	my ($self) = @_;
1523		1681
1524	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1525	}	1683	}
1526		1684
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1685	sub reset {
1549	my ($self) = @_;	1686	my ($self) = @_;
1550		1687
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1689
1553	return if $self->players;	1690	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1555		1692
1556	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1557		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1558	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1559		1708
1560	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1561		1710
1562	$self->unlink_save;	1711	$self->unlink_save;
1563	$self->destroy;	1712	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1567		1716
1568	sub nuke {	1717	sub nuke {
1569	my ($self) = @_;	1718	my ($self) = @_;
1570		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1574	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1575	}	1733	}
1576		1734
1577	sub customise_for {
1578	my ($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	1735	=item cf::map::unique_maps
1588		1736
1589	Returns an arrayref of cf::path's of all shared maps that have	1737	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1738	instantiated unique items. May block.
1591		1739
1592	=cut	1740	=cut
1593		1741
1594	sub unique_maps() {	1742	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1743	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1744	or return;
1597		1745
1598	my @paths;	1746	my @paths;
1599		1747
1600	for (@$files) {	1748	for (@$files) {
1601	utf8::decode $_;	1749	utf8::decode $_;
1602	next if /\.pst$/;	1750	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1751	next unless /^$PATH_SEP/o;
1604		1752
1605	push @paths, new cf::path $_;	1753	push @paths, cf::map::normalise $_;
1606	}	1754	}
1607		1755
1608	\@paths	1756	\@paths
1609	}	1757	}
1610		1758
…		…
1685		1833
1686	=item $player_object->enter_link	1834	=item $player_object->enter_link
1687		1835
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1836	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1837
1690	The player should be reaosnably safe there for short amounts of time. You	1838	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.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1692		1840
		1841	Will never block.
		1842
1693	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1694		1844
1695	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1848	fails, to the emergency map position.
1699		1849
1700	Might block.	1850	Might block.
1701		1851
1702	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($LINK_MAP) {
		1856	$LINK_MAP = cf::map::find "{link}"
		1857	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1858	$LINK_MAP->load;
		1859	}
		1860
		1861	$LINK_MAP
		1862	}
1703		1863
1704	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1865	my ($self) = @_;
1706		1866
1707	$self->deactivate_recursive;	1867	$self->deactivate_recursive;
1708		1868
1709	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1870
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1872	if $self->map;
1713		1873
1714	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1875	}
1716		1876
1717	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1719		1879
…		…
1741	$map->load;	1901	$map->load;
1742	$map->load_diag;	1902	$map->load_diag;
1743		1903
1744	return unless $self->contr->active;	1904	return unless $self->contr->active;
1745	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1747	}	1909	}
1748		1910
1749	cf::player->attach (	1911	cf::player->attach (
1750	on_logout => sub {	1912	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1926	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1767	(async {	1929	(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,	1930	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1932	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1933	cf::NDI_RED);
		1934	# we need this sleep as the login has a concurrent enter_exit running
		1935	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1776	})->prio (2);	1938	})->prio (2);
1777	}	1939	}
1778	},	1940	},
…		…
1783	=cut	1945	=cut
1784		1946
1785	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1787		1949
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1950	$self->enter_link;
1791		1951
1792	(async {	1952	(async {
		1953	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1795		1956	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1959
1801	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1961	})->prio (1);
1803	}	1962	}
1804		1963
…		…
1808		1967
1809	sub parse_random_map_params {	1968	sub parse_random_map_params {
1810	my ($spec) = @_;	1969	my ($spec) = @_;
1811		1970
1812	my $rmp = { # defaults	1971	my $rmp = { # defaults
1813	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1815	};	1976	};
1816		1977
1817	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1819		1980
…		…
1823	$rmp	1984	$rmp
1824	}	1985	}
1825		1986
1826	sub prepare_random_map {	1987	sub prepare_random_map {
1827	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		1991
1829	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	1994	# that depends on the exit object
1832		1995
1833	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1834		1997
1835	if ($exit->map) {	1998	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1840	}	2003	}
1841		2004
1842	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1843		2006
1844	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1846		2010
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
		2013	undef $fh;
		2014	aio_rename "$meta~", $meta;
1849		2015
1850	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2017	$exit->msg (undef);
1852	}	2018	}
1853	}	2019	}
1854		2020
1855	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1857		2023
1858	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
		2025
		2026	if ($exit->slaying eq "/!") {
		2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
		2030	cf::sync_job { prepare_random_map $exit };
		2031	}
		2032
		2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2034	my $hp = $exit->stats->hp;
		2035	my $sp = $exit->stats->sp;
1859		2036
1860	$self->enter_link;	2037	$self->enter_link;
1861		2038
1862	(async {	2039	(async {
1863	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2041	unless (eval {
1865	prepare_random_map $exit	2042	$self->goto ($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		2043
1871	1;	2044	1;
1872	}) {	2045	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2048	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2050
1878	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2052	$self->leave_link;
1880	}	2053	}
1881	})->prio (1);	2054	})->prio (1);
…		…
1894		2067
1895	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1897		2070
1898	utf8::encode $text;	2071	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2073	}
1901		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1902		2087
1903	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1904		2089
1905	Queues a query to the client, calling the given callback with	2090	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>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2120	# get handled first
1936	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2123
1939	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2126
1941	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1942		2128
1943	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2130	if (@$queue) {
…		…
2002		2188
2003	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
2004		2190
2005	=pod	2191	=pod
2006		2192
2007	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
2008		2194
2009	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2196	cf::object::player player
2011	cf::player peaceful	2197	cf::player peaceful
2012	cf::map trigger	2198	cf::map trigger
…		…
2097	#############################################################################	2283	#############################################################################
2098		2284
2099	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2100		2286
2101	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2289	convert to/from binary).
2104		2290
2105	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2292	using it, it should be unique.
2107		2293
2108	=over 4	2294	=over 4
2109		2295
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	2296	=item $value = cf::db_get $family => $key
2117		2297
2118	Returns a single value from the database	2298	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		2299
2125	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2126		2301
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	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		2303
2138	=cut	2304	=cut
2139		2305
2140	our $DB;	2306	our $DB;
2141		2307
2142	{	2308	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2144		2311
2145	sub db_load() {	2312	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2147	}	2314	$DB->set_flags (BDB::CHKSUM);
2148		2315
2149	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2319	};
2153	if (0 == ($pid = fork)) {	2320	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	}	2321	};
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	});	2322	}
		2323	}
2171		2324
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2325	sub db_get($$) {
2178	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2183	sub db_put($$;$) {	2336	sub db_put($$$) {
2184	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2339	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2340
2192	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2342
2194	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
2196	},	2373	}
2197	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
2198	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	local $SIG{__WARN__};
		2441	eval {
		2442	local $SIG{__DIE__};
		2443	close $fh1;
		2444
		2445	my @res = eval { $cb->(@args) };
		2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2447	};
		2448
		2449	warn $@ if $@;
		2450	_exit 0;
		2451	}
		2452	}
		2453
		2454
2199		2455
2200	#############################################################################	2456	#############################################################################
2201	# the server's main()	2457	# the server's init and main functions
		2458
		2459	sub load_facedata($) {
		2460	my ($path) = @_;
		2461
		2462	warn "loading facedata from $path\n";
		2463
		2464	my $facedata;
		2465	0 < aio_load $path, $facedata
		2466	or die "$path: $!";
		2467
		2468	$facedata = Coro::Storable::thaw $facedata;
		2469
		2470	$facedata->{version} == 2
		2471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2472
		2473	{
		2474	my $faces = $facedata->{faceinfo};
		2475
		2476	while (my ($face, $info) = each %$faces) {
		2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2481	Coro::cede;
		2482	}
		2483
		2484	while (my ($face, $info) = each %$faces) {
		2485	next unless $info->{smooth};
		2486	my $idx = cf::face::find $face
		2487	or next;
		2488	if (my $smooth = cf::face::find $info->{smooth}) {
		2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2490	} else {
		2491	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2492	}
		2493	Coro::cede;
		2494	}
		2495	}
		2496
		2497	{
		2498	my $anims = $facedata->{animinfo};
		2499
		2500	while (my ($anim, $info) = each %$anims) {
		2501	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2502	Coro::cede;
		2503	}
		2504
		2505	cf::anim::invalidate_all; # d'oh
		2506	}
		2507
		2508	1
		2509	}
		2510
		2511	sub reload_regions {
		2512	load_resource_file "$MAPDIR/regions"
		2513	or die "unable to load regions file\n";
		2514	}
		2515
		2516	sub reload_facedata {
		2517	load_facedata "$DATADIR/facedata"
		2518	or die "unable to load facedata\n";
		2519	}
		2520
		2521	sub reload_archetypes {
		2522	load_resource_file "$DATADIR/archetypes"
		2523	or die "unable to load archetypes\n";
		2524	}
		2525
		2526	sub reload_treasures {
		2527	load_resource_file "$DATADIR/treasures"
		2528	or die "unable to load treasurelists\n";
		2529	}
		2530
		2531	sub reload_resources {
		2532	warn "reloading resource files...\n";
		2533
		2534	reload_regions;
		2535	reload_facedata;
		2536	reload_archetypes;
		2537	reload_treasures;
		2538
		2539	warn "finished reloading resource files\n";
		2540	}
		2541
		2542	sub init {
		2543	reload_resources;
		2544	}
2202		2545
2203	sub cfg_load {	2546	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2547	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2548	or return;
2206		2549
2207	local $/;	2550	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2551	*CFG = YAML::Syck::Load <$fh>;
2209		2552
…		…
2223		2566
2224	sub main {	2567	sub main {
2225	# we must not ever block the main coroutine	2568	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2569	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2571	(async {
2228	async { Event::one_event };	2572	Event::one_event;
		2573	})->prio (Coro::PRIO_MAX);
2229	};	2574	};
2230		2575
2231	cfg_load;	2576	cfg_load;
2232	db_load;	2577	db_init;
2233	load_extensions;	2578	load_extensions;
		2579
		2580	$TICK_WATCHER->start;
2234	Event::loop;	2581	Event::loop;
2235	}	2582	}
2236		2583
2237	#############################################################################	2584	#############################################################################
2238	# initialisation and cleanup	2585	# initialisation and cleanup
2239		2586
2240	# install some emergency cleanup handlers	2587	# install some emergency cleanup handlers
2241	BEGIN {	2588	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2589	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2590	Event->signal (
		2591	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2592	data => WF_AUTOCANCEL,
2245	signal => $signal,	2593	signal => $signal,
		2594	prio => 0,
2246	cb => sub {	2595	cb => sub {
2247	cf::cleanup "SIG$signal";	2596	cf::cleanup "SIG$signal";
2248	},	2597	},
2249	);	2598	);
2250	}	2599	}
2251	}	2600	}
…		…
2256	warn "enter emergency perl save\n";	2605	warn "enter emergency perl save\n";
2257		2606
2258	cf::sync_job {	2607	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2608	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2609	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2610	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2611	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2612	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2613	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2614	$pl->valid or next;
2266	$pl->save;	2615	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2621	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2622	$map->valid or next;
2274	$map->save;	2623	$map->save;
2275	}	2624	}
2276	warn "end emergency map save\n";	2625	warn "end emergency map save\n";
		2626
		2627	warn "begin emergency database checkpoint\n";
		2628	BDB::db_env_txn_checkpoint $DB_ENV;
		2629	warn "end emergency database checkpoint\n";
2277	};	2630	};
2278		2631
2279	warn "leave emergency perl save\n";	2632	warn "leave emergency perl save\n";
2280	}	2633	}
2281		2634
		2635	sub post_cleanup {
		2636	my ($make_core) = @_;
		2637
		2638	warn Carp::longmess "post_cleanup backtrace"
		2639	if $make_core;
		2640	}
		2641
2282	sub reload() {	2642	sub do_reload_perl() {
2283	# can/must only be called in main	2643	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2644	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2645	warn "can only reload from main coroutine";
2286	return;	2646	return;
2287	}	2647	}
2288		2648
2289	warn "reloading...";	2649	warn "reloading...";
2290		2650
2291	warn "freezing server";	2651	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2652
		2653	cf::sync_job {
		2654	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2655	cf::emergency_save;
		2656	cf::write_runtime; # external watchdog should not bark
2294		2657
2295	warn "sync database to disk";	2658	warn "syncing database to disk";
2296	cf::db_sync;	2659	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2660
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2661	# if anything goes wrong in here, we should simply crash as we already saved
2301		2662
2302	warn "cancel all watchers";	2663	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2664	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2666	}
2306		2667
		2668	warn "flushing outstanding aio requests";
		2669	for (;;) {
		2670	BDB::flush;
		2671	IO::AIO::flush;
		2672	Coro::cede;
		2673	last unless IO::AIO::nreqs || BDB::nreqs;
		2674	warn "iterate...";
		2675	}
		2676
		2677	++$RELOAD;
		2678
2307	warn "cancel all extension coros";	2679	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2680	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2681	%EXT_CORO = ();
2310		2682
2311	warn "remove commands";	2683	warn "removing commands";
2312	%COMMAND = ();	2684	%COMMAND = ();
2313		2685
2314	warn "remove ext commands";	2686	warn "removing ext commands";
2315	%EXTCMD = ();	2687	%EXTCMD = ();
2316		2688
2317	warn "unload/nuke all extensions";	2689	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2690	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2691	warn "... unloading $pkg";
2320		2692
2321	if (my $cb = $pkg->can ("unload")) {	2693	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2694	eval {
2323	$cb->($pkg);	2695	$cb->($pkg);
2324	1	2696	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2697	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2698	}
2327		2699
		2700	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2701	Symbol::delete_package $pkg;
2329	}	2702	}
2330		2703
2331	warn "unload all perl modules loaded from $LIBDIR";	2704	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2705	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2707
2335	warn "removing <$k>";	2708	warn "... unloading $k";
2336	delete $INC{$k};	2709	delete $INC{$k};
2337		2710
2338	$k =~ s/\.pm$//;	2711	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2712	$k =~ s/\//::/g;
2340		2713
…		…
2343	}	2716	}
2344		2717
2345	Symbol::delete_package $k;	2718	Symbol::delete_package $k;
2346	}	2719	}
2347		2720
2348	warn "get rid of safe::, as good as possible";	2721	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2722	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2724
2352	warn "unload cf.pm \"a bit\"";	2725	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2726	delete $INC{"cf.pm"};
		2727	delete $INC{"cf/pod.pm"};
2354		2728
2355	# don't, removes xs symbols, too,	2729	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2730	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2731	#Symbol::delete_package __PACKAGE__;
2358		2732
		2733	warn "unload completed, starting to reload now";
		2734
2359	warn "reloading cf.pm";	2735	warn "reloading cf.pm";
2360	require cf;	2736	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2738
2363	warn "load config and database again";	2739	warn "loading config and database again";
2364	cf::cfg_load;	2740	cf::cfg_load;
2365	cf::db_load;
2366		2741
2367	warn "load extensions";	2742	warn "loading extensions";
2368	cf::load_extensions;	2743	cf::load_extensions;
2369		2744
2370	warn "reattach attachments to objects/players";	2745	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2746	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2747	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2748	reattach $_ for values %MAP;
2374	};	2749	warn "reattaching attachments to players";
		2750	reattach $_ for values %PLAYER;
2375		2751
2376	if ($@) {	2752	warn "leaving sync_job";
		2753
		2754	1
		2755	} or do {
2377	warn $@;	2756	warn $@;
2378	warn "error while reloading, exiting.";	2757	warn "error while reloading, exiting.";
2379	exit 1;	2758	exit 1;
2380	}	2759	};
2381		2760
2382	warn "reloaded";	2761	warn "reloaded";
2383	};	2762	};
2384		2763
2385	#############################################################################	2764	our $RELOAD_WATCHER; # used only during reload
2386		2765
2387	unless ($LINK_MAP) {	2766	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2767	# doing reload synchronously and two reloads happen back-to-back,
		2768	# coro crashes during coro_state_free->destroy here.
2389		2769
2390	$LINK_MAP->width (41);	2770	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2771	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,	2772	after => 0,
		2773	data => WF_AUTOCANCEL,
2400	cb => sub {	2774	cb => sub {
2401	$_[0]->w->cancel;	2775	do_reload_perl;
2402		2776	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	});	2777	},
2421		2778	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2779	}
2427		2780
2428	register_command "reload" => sub {	2781	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2782	my ($who, $arg) = @_;
2430		2783
2431	if ($who->flag (FLAG_WIZ)) {	2784	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2785	$who->message ("reloading server.");
		2786	async { reload_perl };
2435	}	2787	}
2436	};	2788	};
2437		2789
2438	unshift @INC, $LIBDIR;	2790	unshift @INC, $LIBDIR;
		2791
		2792	my $bug_warning = 0;
		2793
		2794	our @WAIT_FOR_TICK;
		2795	our @WAIT_FOR_TICK_BEGIN;
		2796
		2797	sub wait_for_tick {
		2798	return unless $TICK_WATCHER->is_active;
		2799	return if $Coro::current == $Coro::main;
		2800
		2801	my $signal = new Coro::Signal;
		2802	push @WAIT_FOR_TICK, $signal;
		2803	$signal->wait;
		2804	}
		2805
		2806	sub wait_for_tick_begin {
		2807	return unless $TICK_WATCHER->is_active;
		2808	return if $Coro::current == $Coro::main;
		2809
		2810	my $signal = new Coro::Signal;
		2811	push @WAIT_FOR_TICK_BEGIN, $signal;
		2812	$signal->wait;
		2813	}
2439		2814
2440	$TICK_WATCHER = Event->timer (	2815	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2816	reentrant => 0,
		2817	parked => 1,
2442	prio => 0,	2818	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2819	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2820	data => WF_AUTOCANCEL,
2445	cb => sub {	2821	cb => sub {
		2822	if ($Coro::current != $Coro::main) {
		2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2824	unless ++$bug_warning > 10;
		2825	return;
		2826	}
		2827
		2828	$NOW = Event::time;
		2829
2446	cf::server_tick; # one server iteration	2830	cf::server_tick; # one server iteration
		2831
2447	$RUNTIME += $TICK;	2832	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2833	$NEXT_TICK += $TICK;
2449		2834
2450	$WAIT_FOR_TICK->broadcast;	2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2836	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2837	Coro::async_pool {
		2838	write_runtime
		2839	or warn "ERROR: unable to write runtime file: $!";
		2840	};
		2841	}
		2842
		2843	# my $AFTER = Event::time;
		2844	# warn $AFTER - $NOW;#d#
2452		2845
2453	# if we are delayed by four ticks or more, skip them all	2846	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2848
2456	$TICK_WATCHER->at ($NEXT_TICK);	2849	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2850	$TICK_WATCHER->start;
		2851
		2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2853	$sig->send;
		2854	}
		2855	while (my $sig = shift @WAIT_FOR_TICK) {
		2856	$sig->send;
		2857	}
		2858
		2859	_post_tick;
2458	},	2860	},
2459	);	2861	);
2460		2862
		2863	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2864	BDB::max_poll_time $TICK * 0.1;
2462		2865	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2866	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2867	fd => BDB::poll_fileno,
2465	poll => 'r',	2868	poll => 'r',
2466	prio => 5,	2869	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2870	data => WF_AUTOCANCEL,
2473	after => 0,	2871	cb => \&BDB::poll_cb,
2474	interval => 10,	2872	);
2475	cb => sub {	2873	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2874
2477	write_runtime	2875	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2876	my $status;
		2877	my $current = $Coro::current;
		2878	(
		2879	sub {
		2880	$status = $!;
		2881	$current->ready; undef $current;
		2882	},
		2883	sub {
		2884	Coro::schedule while defined $current;
		2885	$! = $status;
		2886	},
		2887	)
		2888	};
		2889
		2890	unless ($DB_ENV) {
		2891	$DB_ENV = BDB::db_env_create;
		2892
		2893	cf::sync_job {
		2894	eval {
		2895	BDB::db_env_open
		2896	$DB_ENV,
		2897	$BDBDIR,
		2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2900	0666;
		2901
		2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2903
		2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2905	$DB_ENV->set_lk_detect;
		2906	};
		2907
		2908	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2909	};
2480	},	2910	}
2481	);	2911	}
		2912
		2913	{
		2914	IO::AIO::min_parallel 8;
		2915
		2916	undef $Coro::AIO::WATCHER;
		2917	IO::AIO::max_poll_time $TICK * 0.1;
		2918	$AIO_POLL_WATCHER = Event->io (
		2919	reentrant => 0,
		2920	data => WF_AUTOCANCEL,
		2921	fd => IO::AIO::poll_fileno,
		2922	poll => 'r',
		2923	prio => 6,
		2924	cb => \&IO::AIO::poll_cb,
		2925	);
		2926	}
		2927
		2928	sub _log_backtrace {
		2929	my ($msg, @addr) = @_;
		2930
		2931	async {
		2932	my @bt = fork_call {
		2933	@addr = map { sprintf "%x", $_ } @addr;
		2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"
		2935	or die "addr2line: $!";
		2936
		2937	my @funcs;
		2938	my @res = <$fh>;
		2939	chomp for @res;
		2940	while (@res) {
		2941	my ($func, $line) = splice @res, 0, 2, ();
		2942	push @funcs, "[$func] $line";
		2943	}
		2944
		2945	@funcs
		2946	};
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	LOG llevInfo, "[ABT] $msg\n";
		2951	LOG llevInfo, "[ABT] $_\n" for @bt;
		2952	};
		2953	}
		2954
		2955	# load additional modules
		2956	use cf::pod;
2482		2957
2483	END { cf::emergency_save }	2958	END { cf::emergency_save }
2484		2959
2485	1	2960	1
2486		2961

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