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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 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
342		373
		374	# first touch the runtime file to show we are still running:
		375	# the fsync below can take a very very long time.
		376
		377	warn "touching runtime...\n";#d#
		378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		379	utime undef, undef, $fh;
		380	}
		381
		382	my $guard = cf::lock_acquire "write_runtime";
		383
		384	warn "starting to write runtime...\n";#d#
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	386	or return;
345		387
		388	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	389	# 10 is the runtime save interval, for a monotonic clock
		390	# 60 allows for the watchdog to kill the server.
		391
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	393	and return;
349		394
		395	# always fsync - this file is important
350	aio_fsync $fh	396	aio_fsync $fh
351	and return;	397	and return;
352		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
353	close $fh	402	close $fh
354	or return;	403	or return;
355		404
356	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
357	and return;	406	and return;
358		407
		408	warn "... done writing runtime.\n";#d#
		409
359	1	410	1
360	}	411	}
361		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		422	}
		423
362	=back	424	=back
363		425
364	=cut	426	=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		427
493	#############################################################################	428	#############################################################################
494		429
495	=head2 ATTACHABLE OBJECTS	430	=head2 ATTACHABLE OBJECTS
496		431
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	557	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	558	our @CB_MAP = ();
624		559
625	my %attachment;	560	my %attachment;
626		561
		562	sub cf::attachable::thawer_merge {
		563	# simply override everything except _meta
		564	local $_[0]{_meta};
		565	%{$_[0]} = %{$_[1]};
		566	}
		567
627	sub _attach_cb($$$$) {	568	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	569	my ($registry, $event, $prio, $cb) = @_;
629		570
630	use sort 'stable';	571	use sort 'stable';
631		572
…		…
802	# object support	743	# object support
803		744
804	sub reattach {	745	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	746	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	747	my ($obj) = @_;
		748
		749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		750
808	my $registry = $obj->registry;	751	my $registry = $obj->registry;
809		752
810	@$registry = ();	753	@$registry = ();
811		754
…		…
858	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
859		802
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	807	close $fh;
865		808
866	if (@$objs) {	809	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	815	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
874	}	817	}
875	} else {	818	} else {
876	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	930	my $base = $1;
988	my $pkg = $1;	931	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	932	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	933	$pkg = "ext::$pkg";
991		934
992	warn "loading '$path' into '$pkg'\n";	935	warn "... loading '$path' into '$pkg'\n";
993		936
994	open my $fh, "<:utf8", $path	937	open my $fh, "<:utf8", $path
995	or die "$path: $!";	938	or die "$path: $!";
996		939
997	my $source =	940	my $source =
998	"package $pkg; use strict; use utf8;\n"	941	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	942	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	943	. (do { local $/; <$fh> })
1001	. "\n};\n1";	944	. "\n};\n1";
1002		945
1003	eval $source	946	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	947	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	948	: "extension disabled.\n";
		949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		950	warn $@;
		951	warn "mandatory extension failed to load, exiting.\n";
		952	exit 1;
		953	}
		954	die $@;
		955	}
1006		956
1007	push @EXTS, $pkg;	957	push @EXTS, $pkg;
1008	}	958	}
1009		959
1010	sub load_extensions {	960	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
1017	}	967	}
1018	}	968	}
1019		969
1020	#############################################################################	970	#############################################################################
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		971
1036	=head2 CORE EXTENSIONS	972	=head2 CORE EXTENSIONS
1037		973
1038	Functions and methods that extend core crossfire objects.	974	Functions and methods that extend core crossfire objects.
1039		975
…		…
1052	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
1053		989
1054	=cut	990	=cut
1055		991
1056	sub playerdir($) {	992	sub playerdir($) {
1057	cf::localdir	993	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	995	}
1063		996
1064	sub path($) {	997	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		999
1067	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
1068	}	1001	}
1069		1002
1070	sub find_active($) {	1003	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
1075		1008
1076	sub exists($) {	1009	sub exists($) {
1077	my ($login) = @_;	1010	my ($login) = @_;
1078		1011
1079	$cf::PLAYER{$login}	1012	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1013	or cf::sync_job { !aio_stat path $login }
1081	}	1014	}
1082		1015
1083	sub find($) {	1016	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1017	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1018	my $login = $_[0];
1086		1019
1087	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
1088		1021
1089	$cf::PLAYER{$_[0]} || do {	1022	$cf::PLAYER{$_[0]} || do {
		1023	# rename old playerfiles to new ones
		1024	#TODO: remove when no longer required
		1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1028	aio_unlink +(playerdir $login) . "/$login.pl";
		1029
1090	my $pl = load_pl path $login	1030	my $pl = load_pl path $login
1091	or return;	1031	or return;
1092	$cf::PLAYER{$login} = $pl	1032	$cf::PLAYER{$login} = $pl
1093	}	1033	}
1094	}	1034	}
…		…
1131		1071
1132	=cut	1072	=cut
1133		1073
1134	sub quit_character {	1074	sub quit_character {
1135	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1136		1078
1137	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1080	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1081
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1089	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1091	$pl->destroy;
		1092
		1093	my $prefix = qr<^~\Q$name\E/>;
		1094
		1095	# nuke player maps
		1096	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1097
1150	IO::AIO::aio_rmtree $temp;	1098	IO::AIO::aio_rmtree $temp;
		1099	}
		1100
		1101	=item $pl->kick
		1102
		1103	Kicks a player out of the game. This destroys the connection.
		1104
		1105	=cut
		1106
		1107	sub kick {
		1108	my ($pl, $kicker) = @_;
		1109
		1110	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1111	$pl->killer ("kicked");
		1112	$pl->ns->destroy;
1151	}	1113	}
1152		1114
1153	=item cf::player::list_logins	1115	=item cf::player::list_logins
1154		1116
1155	Returns am arrayref of all valid playernames in the system, can take a	1117	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1157		1119
1158	=cut	1120	=cut
1159		1121
1160	sub list_logins {	1122	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1124	or return [];
1163		1125
1164	my @logins;	1126	my @logins;
1165		1127
1166	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
…		…
1175	\@logins	1137	\@logins
1176	}	1138	}
1177		1139
1178	=item $player->maps	1140	=item $player->maps
1179		1141
1180	Returns an arrayref of cf::path's of all maps that are private for this	1142	Returns an arrayref of map paths that are private for this
1181	player. May block.	1143	player. May block.
1182		1144
1183	=cut	1145	=cut
1184		1146
1185	sub maps($) {	1147	sub maps($) {
1186	my ($pl) = @_;	1148	my ($pl) = @_;
		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1151
1188	my $files = aio_readdir playerdir $pl	1152	my $files = aio_readdir playerdir $pl
1189	or return;	1153	or return;
1190		1154
1191	my @paths;	1155	my @paths;
…		…
1193	for (@$files) {	1157	for (@$files) {
1194	utf8::decode $_;	1158	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1159	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1160	next unless /^$PATH_SEP/o;
1197		1161
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1162	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1163	}
1200		1164
1201	\@paths	1165	\@paths
1202	}	1166	}
1203		1167
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1205		1169
1206	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1207		1171
1208	=cut	1172	=cut
1209		1173
1210	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1212		1176
1213	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1214		1178
1215	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1216	}	1180	}
1217		1181
1218	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		1189	my ($self, $type, %msg) = @_;
		1190
		1191	$self->ns->ext_event ($type, %msg);
		1192	}
		1193
		1194	=head3 cf::region
		1195
		1196	=over 4
		1197
		1198	=cut
		1199
		1200	package cf::region;
		1201
		1202	=item cf::region::find_by_path $path
		1203
		1204	Tries to decuce the probable region for a map knowing only its path.
		1205
		1206	=cut
		1207
		1208	sub find_by_path($) {
		1209	my ($path) = @_;
		1210
		1211	my ($match, $specificity);
		1212
		1213	for my $region (list) {
		1214	if ($region->match && $path =~ $region->match) {
		1215	($match, $specificity) = ($region, $region->specificity)
		1216	if $region->specificity > $specificity;
		1217	}
		1218	}
		1219
		1220	$match
		1221	}
1219		1222
1220	=back	1223	=back
1221
1222		1224
1223	=head3 cf::map	1225	=head3 cf::map
1224		1226
1225	=over 4	1227	=over 4
1226		1228
…		…
1229	package cf::map;	1231	package cf::map;
1230		1232
1231	use Fcntl;	1233	use Fcntl;
1232	use Coro::AIO;	1234	use Coro::AIO;
1233		1235
		1236	use overload
		1237	'""' => \&as_string,
		1238	fallback => 1;
		1239
1234	our $MAX_RESET = 3600;	1240	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1241	our $DEFAULT_RESET = 3000;
1236		1242
1237	sub generate_random_map {	1243	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1244	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1245	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1246	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1250	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1251	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1257	(cf::region::find $rmp->{region}), $rmp->{custom}
		1258	)
		1259	}
		1260
		1261	=item cf::map->register ($regex, $prio)
		1262
		1263	Register a handler for the map path matching the given regex at the
		1264	givne priority (higher is better, built-in handlers have priority 0, the
		1265	default).
		1266
		1267	=cut
		1268
		1269	sub register {
		1270	my (undef, $regex, $prio) = @_;
		1271	my $pkg = caller;
		1272
		1273	no strict;
		1274	push @{"$pkg\::ISA"}, __PACKAGE__;
		1275
		1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1277	}
		1278
		1279	# also paths starting with '/'
		1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1281
		1282	sub thawer_merge {
		1283	my ($self, $merge) = @_;
		1284
		1285	# we have to keep some variables in memory intact
		1286	local $self->{path};
		1287	local $self->{load_path};
		1288	local $self->{deny_save};
		1289	local $self->{deny_reset};
		1290
		1291	$self->SUPER::thawer_merge ($merge);
		1292	}
		1293
		1294	sub normalise {
		1295	my ($path, $base) = @_;
		1296
		1297	$path = "$path"; # make sure its a string
		1298
		1299	$path =~ s/\.map$//;
		1300
		1301	# map plan:
		1302	#
		1303	# /! non-realised random map exit (special hack!)
		1304	# {... are special paths that are not being touched
		1305	# ?xxx/... are special absolute paths
		1306	# ?random/... random maps
		1307	# /... normal maps
		1308	# ~user/... per-player map of a specific user
		1309
		1310	$path =~ s/$PATH_SEP/\//go;
		1311
		1312	# treat it as relative path if it starts with
		1313	# something that looks reasonable
		1314	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1315	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1316
		1317	$base =~ s{[^/]+/?$}{};
		1318	$path = "$base/$path";
		1319	}
		1320
		1321	for ($path) {
		1322	redo if s{//}{/};
		1323	redo if s{/\.?/}{/};
		1324	redo if s{/[^/]+/\.\./}{/};
		1325	}
		1326
		1327	$path
		1328	}
		1329
		1330	sub new_from_path {
		1331	my (undef, $path, $base) = @_;
		1332
		1333	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1334
		1335	$path = normalise $path, $base;
		1336
		1337	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1338	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1339	my $self = bless cf::map::new, $pkg;
		1340	$self->{path} = $path; $self->path ($path);
		1341	$self->init; # pass $1 etc.
		1342	return $self;
		1343	}
		1344	}
		1345
		1346	Carp::carp "unable to resolve path '$path' (base '$base').";
		1347	()
		1348	}
		1349
		1350	sub init {
		1351	my ($self) = @_;
		1352
		1353	$self
		1354	}
		1355
		1356	sub as_string {
		1357	my ($self) = @_;
		1358
		1359	"$self->{path}"
		1360	}
		1361
		1362	# the displayed name, this is a one way mapping
		1363	sub visible_name {
		1364	&as_string
		1365	}
		1366
		1367	# the original (read-only) location
		1368	sub load_path {
		1369	my ($self) = @_;
		1370
		1371	"$MAPDIR/$self->{path}.map"
		1372	}
		1373
		1374	# the temporary/swap location
		1375	sub save_path {
		1376	my ($self) = @_;
		1377
		1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1379	"$TMPDIR/$path.map"
		1380	}
		1381
		1382	# the unique path, undef == no special unique path
		1383	sub uniq_path {
		1384	my ($self) = @_;
		1385
		1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1387	"$UNIQUEDIR/$path"
1254	}	1388	}
1255		1389
1256	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1257	# all maps in C++...	1391	# all maps in C++...
1258	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1260		1394
1261	$_->change_map_light ($change)	1395	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1396	for grep $_->outdoor, values %cf::MAP;
1263	}	1397	}
1264		1398
		1399	sub unlink_save {
		1400	my ($self) = @_;
		1401
		1402	utf8::encode (my $save = $self->save_path);
		1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1404	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1405	}
		1406
1265	sub try_load_header($) {	1407	sub load_header_from($) {
1266	my ($path) = @_;	1408	my ($self, $path) = @_;
1267		1409
1268	utf8::encode $path;	1410	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
		1412	# or return;
		1413
		1414	$self->_load_header ($path)
1270	or return;	1415	or return;
1271		1416
1272	my $map = cf::map::new	1417	$self->{load_path} = $path;
		1418
		1419	1
		1420	}
		1421
		1422	sub load_header_orig {
		1423	my ($self) = @_;
		1424
		1425	$self->load_header_from ($self->load_path)
		1426	}
		1427
		1428	sub load_header_temp {
		1429	my ($self) = @_;
		1430
		1431	$self->load_header_from ($self->save_path)
		1432	}
		1433
		1434	sub prepare_temp {
		1435	my ($self) = @_;
		1436
		1437	$self->last_access ((delete $self->{last_access})
		1438	|| $cf::RUNTIME); #d#
		1439	# safety
		1440	$self->{instantiate_time} = $cf::RUNTIME
		1441	if $self->{instantiate_time} > $cf::RUNTIME;
		1442	}
		1443
		1444	sub prepare_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->{load_original} = 1;
		1448	$self->{instantiate_time} = $cf::RUNTIME;
		1449	$self->last_access ($cf::RUNTIME);
		1450	$self->instantiate;
		1451	}
		1452
		1453	sub load_header {
		1454	my ($self) = @_;
		1455
		1456	if ($self->load_header_temp) {
		1457	$self->prepare_temp;
		1458	} else {
		1459	$self->load_header_orig
1273	or return;	1460	or return;
		1461	$self->prepare_orig;
		1462	}
1274		1463
1275	# for better error messages only, will be overwritten	1464	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1465	unless $self->default_region;
1277		1466
1278	$map->load_header ($path)	1467	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1468	}
1285		1469
1286	sub find;	1470	sub find;
1287	sub find {	1471	sub find {
1288	my ($path, $origin) = @_;	1472	my ($path, $origin) = @_;
1289		1473
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1474	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1475
1295	cf::lock_wait "map_find:$key";	1476	cf::lock_wait "map_find:$path";
1296		1477
1297	$cf::MAP{$key} || do {	1478	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1479	my $guard = cf::lock_acquire "map_find:$path";
1299		1480	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;	1481	or return;
1319		1482
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;	1483	$map->{last_save} = $cf::RUNTIME;
1332		1484
1333	Coro::cede;	1485	$map->load_header
		1486	or return;
1334		1487
1335	if ($map->should_reset) {	1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1489	# doing this can freeze the server in a sync job, obviously
		1490	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1491	$map->reset;
1337	undef $guard;	1492	undef $guard;
1338	$map = find $path	1493	return find $path;
1339	or return;
1340	}	1494	}
1341		1495
1342	$cf::MAP{$key} = $map	1496	$cf::MAP{$path} = $map
1343	}	1497	}
1344	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1345		1502
1346	sub load {	1503	sub load {
1347	my ($self) = @_;	1504	my ($self) = @_;
1348		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1349	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1511	my $guard = cf::lock_acquire "map_load:$path";
1351		1512
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1514
1354	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1355		1516
1356	$self->alloc;	1517	$self->alloc;
		1518
		1519	$self->pre_load;
		1520	Coro::cede;
		1521
1357	$self->load_objects ($self->{load_path}, 1)	1522	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1523	or return;
1359		1524
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1526	if delete $self->{load_original};
1362		1527
1363	if (my $uniq = $path->uniq_path) {	1528	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1529	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1530	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1531	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1532	$self->_load_objects ($uniq, 0);
1368	}	1533	}
1369	}	1534	}
1370		1535
1371	Coro::cede;	1536	Coro::cede;
1372
1373	# now do the right thing for maps	1537	# now do the right thing for maps
1374	$self->link_multipart_objects;	1538	$self->link_multipart_objects;
1375
1376	if ($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)	1539	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1540	unless $self->difficulty;
		1541	Coro::cede;
		1542
		1543	unless ($self->{deny_activate}) {
		1544	$self->decay_objects;
		1545	$self->fix_auto_apply;
		1546	$self->update_buttons;
		1547	Coro::cede;
		1548	$self->set_darkness_map;
		1549	Coro::cede;
1386	$self->activate;	1550	$self->activate;
1387	}	1551	}
1388		1552
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1553	$self->in_memory (cf::MAP_IN_MEMORY);
		1554	}
		1555
		1556	$self->post_load;
		1557	}
		1558
		1559	sub customise_for {
		1560	my ($self, $ob) = @_;
		1561
		1562	return find "~" . $ob->name . "/" . $self->{path}
		1563	if $self->per_player;
		1564
		1565	$self
1392	}	1566	}
1393		1567
1394	# find and load all maps in the 3x3 area around a map	1568	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1569	sub load_diag {
1396	my ($map) = @_;	1570	my ($map) = @_;
…		…
1426		1600
1427	cf::sync_job { $map->load };	1601	cf::sync_job { $map->load };
1428	}	1602	}
1429		1603
1430	our %MAP_PREFETCH;	1604	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1605	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1606
1446	sub find_async {	1607	sub find_async {
1447	my ($path, $origin) = @_;	1608	my ($path, $origin) = @_;
1448		1609
1449	$path = new cf::path $path, $origin && $origin->path;	1610	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1611
1452	if (my $map = $cf::MAP{$key}) {	1612	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1614	}
1455		1615
1456	$MAP_PREFETCH{$key} = $path;	1616	undef $MAP_PREFETCH{$path};
		1617	$MAP_PREFETCHER ||= cf::async {
		1618	while (%MAP_PREFETCH) {
		1619	for my $path (keys %MAP_PREFETCH) {
		1620	my $map = find $path
		1621	or next;
		1622	$map->load;
		1623
		1624	delete $MAP_PREFETCH{$path};
		1625	}
		1626	}
		1627	undef $MAP_PREFETCHER;
		1628	};
1457	$MAP_PREFETCHER->ready;	1629	$MAP_PREFETCHER->prio (6);
1458		1630
1459	()	1631	()
1460	}	1632	}
1461		1633
1462	sub save {	1634	sub save {
…		…
1466		1638
1467	$self->{last_save} = $cf::RUNTIME;	1639	$self->{last_save} = $cf::RUNTIME;
1468		1640
1469	return unless $self->dirty;	1641	return unless $self->dirty;
1470		1642
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1643	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1644	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1645
1474	$self->{load_path} = $save;	1646	$self->{load_path} = $save;
1475		1647
1476	return if $self->{deny_save};	1648	return if $self->{deny_save};
1477		1649
…		…
1480	cf::async {	1652	cf::async {
1481	$_->contr->save for $self->players;	1653	$_->contr->save for $self->players;
1482	};	1654	};
1483		1655
1484	if ($uniq) {	1656	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1659	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1661	}
1490	}	1662	}
1491		1663
1492	sub swap_out {	1664	sub swap_out {
1493	my ($self) = @_;	1665	my ($self) = @_;
…		…
1507		1679
1508	sub reset_at {	1680	sub reset_at {
1509	my ($self) = @_;	1681	my ($self) = @_;
1510		1682
1511	# TODO: safety, remove and allow resettable per-player maps	1683	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1685	return 1e99 if $self->{deny_reset};
1514		1686
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1689
…		…
1522	my ($self) = @_;	1694	my ($self) = @_;
1523		1695
1524	$self->reset_at <= $cf::RUNTIME	1696	$self->reset_at <= $cf::RUNTIME
1525	}	1697	}
1526		1698
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1699	sub reset {
1549	my ($self) = @_;	1700	my ($self) = @_;
1550		1701
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1702	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1703
1553	return if $self->players;	1704	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1555		1706
1556	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1557		1708
		1709	$self->in_memory (cf::MAP_SWAPPED);
		1710
		1711	# need to save uniques path
		1712	unless ($self->{deny_save}) {
		1713	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1714
		1715	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1716	if $uniq;
		1717	}
		1718
1558	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->clear;
1559		1722
1560	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1561		1724
1562	$self->unlink_save;	1725	$self->unlink_save;
1563	$self->destroy;	1726	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1729	my $nuke_counter = "aaaa";
1567		1730
1568	sub nuke {	1731	sub nuke {
1569	my ($self) = @_;	1732	my ($self) = @_;
1570		1733
		1734	delete $cf::MAP{$self->path};
		1735
		1736	$self->unlink_save;
		1737
		1738	bless $self, "cf::map";
		1739	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1740	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1741	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1743
		1744	$cf::MAP{$self->path} = $self;
		1745
1574	$self->reset; # polite request, might not happen	1746	$self->reset; # polite request, might not happen
1575	}	1747	}
1576		1748
1577	sub customise_for {
1578	my ($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	1749	=item cf::map::unique_maps
1588		1750
1589	Returns an arrayref of cf::path's of all shared maps that have	1751	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1752	instantiated unique items. May block.
1591		1753
1592	=cut	1754	=cut
1593		1755
1594	sub unique_maps() {	1756	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1757	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1758	or return;
1597		1759
1598	my @paths;	1760	my @paths;
1599		1761
1600	for (@$files) {	1762	for (@$files) {
1601	utf8::decode $_;	1763	utf8::decode $_;
1602	next if /\.pst$/;	1764	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1765	next unless /^$PATH_SEP/o;
1604		1766
1605	push @paths, new cf::path $_;	1767	push @paths, cf::map::normalise $_;
1606	}	1768	}
1607		1769
1608	\@paths	1770	\@paths
1609	}	1771	}
1610		1772
…		…
1685		1847
1686	=item $player_object->enter_link	1848	=item $player_object->enter_link
1687		1849
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1850	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1851
1690	The player should be reaosnably safe there for short amounts of time. You	1852	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.	1853	I<MUST> call C<leave_link> as soon as possible, though.
1692		1854
		1855	Will never block.
		1856
1693	=item $player_object->leave_link ($map, $x, $y)	1857	=item $player_object->leave_link ($map, $x, $y)
1694		1858
1695	Moves the player out of the specila link map onto the given map. If the	1859	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1860	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1861	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1862	fails, to the emergency map position.
1699		1863
1700	Might block.	1864	Might block.
1701		1865
1702	=cut	1866	=cut
		1867
		1868	sub link_map {
		1869	unless ($LINK_MAP) {
		1870	$LINK_MAP = cf::map::find "{link}"
		1871	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1872	$LINK_MAP->load;
		1873	}
		1874
		1875	$LINK_MAP
		1876	}
1703		1877
1704	sub cf::object::player::enter_link {	1878	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1879	my ($self) = @_;
1706		1880
1707	$self->deactivate_recursive;	1881	$self->deactivate_recursive;
1708		1882
1709	return if $self->map == $LINK_MAP;	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1884
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1886	if $self->map;
1713		1887
1714	$self->enter_map ($LINK_MAP, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1889	}
1716		1890
1717	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1719		1893
…		…
1741	$map->load;	1915	$map->load;
1742	$map->load_diag;	1916	$map->load_diag;
1743		1917
1744	return unless $self->contr->active;	1918	return unless $self->contr->active;
1745	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1747	}	1923	}
1748		1924
1749	cf::player->attach (	1925	cf::player->attach (
1750	on_logout => sub {	1926	on_logout => sub {
…		…
1763	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes	1940	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1767	(async {	1943	(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,	1944	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",	1946	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);	1947	cf::NDI_RED);
		1948	# we need this sleep as the login has a concurrent enter_exit running
		1949	# and this sleep increases chances of the player not ending up in scorn
1774	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1776	})->prio (2);	1952	})->prio (2);
1777	}	1953	}
1778	},	1954	},
…		…
1783	=cut	1959	=cut
1784		1960
1785	sub cf::object::player::goto {	1961	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1787		1963
1788	$path = new cf::path $path;
1789
1790	$self->enter_link;	1964	$self->enter_link;
1791		1965
1792	(async {	1966	(async {
		1967	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1968	my $map = cf::map::find $path;
1794	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1795		1970	$map
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1800		1973
1801	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1802	})->prio (1);	1975	})->prio (1);
1803	}	1976	}
1804		1977
…		…
1808		1981
1809	sub parse_random_map_params {	1982	sub parse_random_map_params {
1810	my ($spec) = @_;	1983	my ($spec) = @_;
1811		1984
1812	my $rmp = { # defaults	1985	my $rmp = { # defaults
1813	xsize => 10,	1986	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	1987	ysize => (cf::rndm 15, 40),
		1988	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1989	#layout => string,
1815	};	1990	};
1816		1991
1817	for (split /\n/, $spec) {	1992	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	1993	my ($k, $v) = split /\s+/, $_, 2;
1819		1994
…		…
1823	$rmp	1998	$rmp
1824	}	1999	}
1825		2000
1826	sub prepare_random_map {	2001	sub prepare_random_map {
1827	my ($exit) = @_;	2002	my ($exit) = @_;
		2003
		2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2005
1829	# all this does is basically replace the /! path by	2006	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2007	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2008	# that depends on the exit object
1832		2009
1833	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1834		2011
1835	if ($exit->map) {	2012	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1840	}	2017	}
1841		2018
1842	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1843		2020
1844	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
		2023	my $meta = "$RANDOMDIR/$md5.meta";
1846		2024
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2026	aio_write $fh, 0, (length $data), $data, 0;
		2027	undef $fh;
		2028	aio_rename "$meta~", $meta;
1849		2029
1850	$exit->slaying ("?random/$md5");	2030	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2031	$exit->msg (undef);
1852	}	2032	}
1853	}	2033	}
1854		2034
1855	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1857		2037
1858	return unless $self->type == cf::PLAYER;	2038	return unless $self->type == cf::PLAYER;
		2039
		2040	if ($exit->slaying eq "/!") {
		2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2042	# the problem is that $exit might not survive long enough
		2043	# so it needs to be done right now, right here
		2044	cf::sync_job { prepare_random_map $exit };
		2045	}
		2046
		2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2048	my $hp = $exit->stats->hp;
		2049	my $sp = $exit->stats->sp;
1859		2050
1860	$self->enter_link;	2051	$self->enter_link;
1861		2052
1862	(async {	2053	(async {
1863	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2055	unless (eval {
1865	prepare_random_map $exit	2056	$self->goto ($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		2057
1871	1;	2058	1;
1872	}) {	2059	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2061	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2062	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2064
1878	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2066	$self->leave_link;
1880	}	2067	}
1881	})->prio (1);	2068	})->prio (1);
…		…
1894		2081
1895	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1897		2084
1898	utf8::encode $text;	2085	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2087	}
1901		2088
		2089	=item $client->ext_event ($type, %msg)
		2090
		2091	Sends an exti event to the client.
		2092
		2093	=cut
		2094
		2095	sub cf::client::ext_event($$%) {
		2096	my ($self, $type, %msg) = @_;
		2097
		2098	$msg{msgtype} = "event_$type";
		2099	$self->send_packet ("ext " . cf::to_json \%msg);
		2100	}
1902		2101
1903	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1904		2103
1905	Queues a query to the client, calling the given callback with	2104	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>,	2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2134	# get handled first
1936	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2136	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2137
1939	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2140
1941	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1942		2142
1943	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2144	if (@$queue) {
…		…
2002		2202
2003	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
2004		2204
2005	=pod	2205	=pod
2006		2206
2007	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
2008		2208
2009	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2210	cf::object::player player
2011	cf::player peaceful	2211	cf::player peaceful
2012	cf::map trigger	2212	cf::map trigger
…		…
2097	#############################################################################	2297	#############################################################################
2098		2298
2099	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2100		2300
2101	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2303	convert to/from binary).
2104		2304
2105	The parameter C<$family> should best start with the name of the extension	2305	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2306	using it, it should be unique.
2107		2307
2108	=over 4	2308	=over 4
2109		2309
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	2310	=item $value = cf::db_get $family => $key
2117		2311
2118	Returns a single value from the database	2312	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		2313
2125	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2126		2315
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	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		2317
2138	=cut	2318	=cut
2139		2319
2140	our $DB;	2320	our $DB;
2141		2321
2142	{	2322	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2144		2325
2145	sub db_load() {	2326	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2147	}	2328	$DB->set_flags (BDB::CHKSUM);
2148		2329
2149	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2333	};
2153	if (0 == ($pid = fork)) {	2334	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	}	2335	};
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	});	2336	}
		2337	}
2171		2338
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2339	sub db_get($$) {
2178	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2183	sub db_put($$;$) {	2350	sub db_put($$$) {
2184	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2353	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2354
2192	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2356
2194	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($id, $src, $processversion, $process) = @_;
		2366
		2367	my $meta =
		2368	join "\x00",
		2369	$processversion,
		2370	map {
		2371	aio_stat $_
		2372	and Carp::croak "$_: $!";
		2373
		2374	($_, (stat _)[7,9])
		2375	} @$src;
		2376
		2377	my $dbmeta = db_get cache => "$id/meta";
		2378	if ($dbmeta ne $meta) {
		2379	# changed, we may need to process
		2380
		2381	my @data;
		2382	my $md5;
		2383
		2384	for (0 .. $#$src) {
		2385	0 <= aio_load $src->[$_], $data[$_]
		2386	or Carp::croak "$src->[$_]: $!";
2196	},	2387	}
2197	);	2388
		2389	# if processing is expensive, check
		2390	# checksum first
		2391	if (1) {
		2392	$md5 =
		2393	join "\x00",
		2394	$processversion,
		2395	map {
		2396	Coro::cede;
		2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2398	} 0.. $#$src;
		2399
		2400
		2401	my $dbmd5 = db_get cache => "$id/md5";
		2402	if ($dbmd5 eq $md5) {
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return db_get cache => "$id/data";
		2406	}
		2407	}
		2408
		2409	my $t1 = Time::HiRes::time;
		2410	my $data = $process->(\@data);
		2411	my $t2 = Time::HiRes::time;
		2412
		2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2414
		2415	db_put cache => "$id/data", $data;
		2416	db_put cache => "$id/md5" , $md5;
		2417	db_put cache => "$id/meta", $meta;
		2418
		2419	return $data;
		2420	}
		2421
		2422	db_get cache => "$id/data"
2198	}	2423	}
		2424
		2425	=item fork_call { }, $args
		2426
		2427	Executes the given code block with the given arguments in a seperate
		2428	process, returning the results. Everything must be serialisable with
		2429	Coro::Storable. May, of course, block. Note that the executed sub may
		2430	never block itself or use any form of Event handling.
		2431
		2432	=cut
		2433
		2434	sub fork_call(&@) {
		2435	my ($cb, @args) = @_;
		2436
		2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2438	# or die "socketpair: $!";
		2439	pipe my $fh1, my $fh2
		2440	or die "pipe: $!";
		2441
		2442	if (my $pid = fork) {
		2443	close $fh2;
		2444
		2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2446	$res = Coro::Storable::thaw $res;
		2447
		2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2449
		2450	die $$res unless "ARRAY" eq ref $res;
		2451
		2452	return wantarray ? @$res : $res->[-1];
		2453	} else {
		2454	reset_signals;
		2455	local $SIG{__WARN__};
		2456	local $SIG{__DIE__};
		2457	eval {
		2458	close $fh1;
		2459
		2460	my @res = eval { $cb->(@args) };
		2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2462	};
		2463
		2464	warn $@ if $@;
		2465	_exit 0;
		2466	}
		2467	}
		2468
		2469
2199		2470
2200	#############################################################################	2471	#############################################################################
2201	# the server's main()	2472	# the server's init and main functions
		2473
		2474	sub load_facedata($) {
		2475	my ($path) = @_;
		2476
		2477	warn "loading facedata from $path\n";
		2478
		2479	my $facedata;
		2480	0 < aio_load $path, $facedata
		2481	or die "$path: $!";
		2482
		2483	$facedata = Coro::Storable::thaw $facedata;
		2484
		2485	$facedata->{version} == 2
		2486	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2487
		2488	{
		2489	my $faces = $facedata->{faceinfo};
		2490
		2491	while (my ($face, $info) = each %$faces) {
		2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2496	Coro::cede;
		2497	}
		2498
		2499	while (my ($face, $info) = each %$faces) {
		2500	next unless $info->{smooth};
		2501	my $idx = cf::face::find $face
		2502	or next;
		2503	if (my $smooth = cf::face::find $info->{smooth}) {
		2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2505	} else {
		2506	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2507	}
		2508	Coro::cede;
		2509	}
		2510	}
		2511
		2512	{
		2513	my $anims = $facedata->{animinfo};
		2514
		2515	while (my ($anim, $info) = each %$anims) {
		2516	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2517	Coro::cede;
		2518	}
		2519
		2520	cf::anim::invalidate_all; # d'oh
		2521	}
		2522
		2523	1
		2524	}
		2525
		2526	sub reload_regions {
		2527	load_resource_file "$MAPDIR/regions"
		2528	or die "unable to load regions file\n";
		2529	}
		2530
		2531	sub reload_facedata {
		2532	load_facedata "$DATADIR/facedata"
		2533	or die "unable to load facedata\n";
		2534	}
		2535
		2536	sub reload_archetypes {
		2537	load_resource_file "$DATADIR/archetypes"
		2538	or die "unable to load archetypes\n";
		2539	}
		2540
		2541	sub reload_treasures {
		2542	load_resource_file "$DATADIR/treasures"
		2543	or die "unable to load treasurelists\n";
		2544	}
		2545
		2546	sub reload_resources {
		2547	warn "reloading resource files...\n";
		2548
		2549	reload_regions;
		2550	reload_facedata;
		2551	reload_archetypes;
		2552	reload_treasures;
		2553
		2554	warn "finished reloading resource files\n";
		2555	}
		2556
		2557	sub init {
		2558	reload_resources;
		2559	}
2202		2560
2203	sub cfg_load {	2561	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2563	or return;
2206		2564
2207	local $/;	2565	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2209		2567
…		…
2223		2581
2224	sub main {	2582	sub main {
2225	# we must not ever block the main coroutine	2583	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2584	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2586	(async {
2228	async { Event::one_event };	2587	Event::one_event;
		2588	})->prio (Coro::PRIO_MAX);
2229	};	2589	};
2230		2590
2231	cfg_load;	2591	cfg_load;
2232	db_load;	2592	db_init;
2233	load_extensions;	2593	load_extensions;
		2594
		2595	$TICK_WATCHER->start;
2234	Event::loop;	2596	Event::loop;
2235	}	2597	}
2236		2598
2237	#############################################################################	2599	#############################################################################
2238	# initialisation and cleanup	2600	# initialisation and cleanup
2239		2601
2240	# install some emergency cleanup handlers	2602	# install some emergency cleanup handlers
2241	BEGIN {	2603	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2604	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2605	Event->signal (
		2606	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2245	signal => $signal,	2608	signal => $signal,
		2609	prio => 0,
2246	cb => sub {	2610	cb => sub {
2247	cf::cleanup "SIG$signal";	2611	cf::cleanup "SIG$signal";
2248	},	2612	},
2249	);	2613	);
2250	}	2614	}
2251	}	2615	}
…		…
2256	warn "enter emergency perl save\n";	2620	warn "enter emergency perl save\n";
2257		2621
2258	cf::sync_job {	2622	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2623	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2624	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2625	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2626	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2627	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2628	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2629	$pl->valid or next;
2266	$pl->save;	2630	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2636	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2637	$map->valid or next;
2274	$map->save;	2638	$map->save;
2275	}	2639	}
2276	warn "end emergency map save\n";	2640	warn "end emergency map save\n";
		2641
		2642	warn "begin emergency database checkpoint\n";
		2643	BDB::db_env_txn_checkpoint $DB_ENV;
		2644	warn "end emergency database checkpoint\n";
2277	};	2645	};
2278		2646
2279	warn "leave emergency perl save\n";	2647	warn "leave emergency perl save\n";
2280	}	2648	}
2281		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2282	sub reload() {	2657	sub do_reload_perl() {
2283	# can/must only be called in main	2658	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2660	warn "can only reload from main coroutine";
2286	return;	2661	return;
2287	}	2662	}
2288		2663
2289	warn "reloading...";	2664	warn "reloading...";
2290		2665
2291	warn "freezing server";	2666	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2294		2672
2295	warn "sync database to disk";	2673	warn "syncing database to disk";
2296	cf::db_sync;	2674	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2675
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2676	# if anything goes wrong in here, we should simply crash as we already saved
2301		2677
2302	warn "cancel all watchers";	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2681	}
2306		2682
		2683	warn "flushing outstanding aio requests";
		2684	for (;;) {
		2685	BDB::flush;
		2686	IO::AIO::flush;
		2687	Coro::cede;
		2688	last unless IO::AIO::nreqs || BDB::nreqs;
		2689	warn "iterate...";
		2690	}
		2691
		2692	++$RELOAD;
		2693
2307	warn "cancel all extension coros";	2694	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2696	%EXT_CORO = ();
2310		2697
2311	warn "remove commands";	2698	warn "removing commands";
2312	%COMMAND = ();	2699	%COMMAND = ();
2313		2700
2314	warn "remove ext commands";	2701	warn "removing ext commands";
2315	%EXTCMD = ();	2702	%EXTCMD = ();
2316		2703
2317	warn "unload/nuke all extensions";	2704	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2705	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2706	warn "... unloading $pkg";
2320		2707
2321	if (my $cb = $pkg->can ("unload")) {	2708	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2709	eval {
2323	$cb->($pkg);	2710	$cb->($pkg);
2324	1	2711	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2712	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2713	}
2327		2714
		2715	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2716	Symbol::delete_package $pkg;
2329	}	2717	}
2330		2718
2331	warn "unload all perl modules loaded from $LIBDIR";	2719	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2720	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2722
2335	warn "removing <$k>";	2723	warn "... unloading $k";
2336	delete $INC{$k};	2724	delete $INC{$k};
2337		2725
2338	$k =~ s/\.pm$//;	2726	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2727	$k =~ s/\//::/g;
2340		2728
…		…
2343	}	2731	}
2344		2732
2345	Symbol::delete_package $k;	2733	Symbol::delete_package $k;
2346	}	2734	}
2347		2735
2348	warn "get rid of safe::, as good as possible";	2736	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2739
2352	warn "unload cf.pm \"a bit\"";	2740	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2354		2743
2355	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2745	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2358		2747
		2748	warn "unload completed, starting to reload now";
		2749
2359	warn "reloading cf.pm";	2750	warn "reloading cf.pm";
2360	require cf;	2751	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2753
2363	warn "load config and database again";	2754	warn "loading config and database again";
2364	cf::cfg_load;	2755	cf::cfg_load;
2365	cf::db_load;
2366		2756
2367	warn "load extensions";	2757	warn "loading extensions";
2368	cf::load_extensions;	2758	cf::load_extensions;
2369		2759
2370	warn "reattach attachments to objects/players";	2760	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2761	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2762	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2374	};	2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2375		2766
2376	if ($@) {	2767	warn "leaving sync_job";
		2768
		2769	1
		2770	} or do {
2377	warn $@;	2771	warn $@;
2378	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2379	exit 1;	2773	exit 1;
2380	}	2774	};
2381		2775
2382	warn "reloaded";	2776	warn "reloaded";
2383	};	2777	};
2384		2778
2385	#############################################################################	2779	our $RELOAD_WATCHER; # used only during reload
2386		2780
2387	unless ($LINK_MAP) {	2781	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2782	# doing reload synchronously and two reloads happen back-to-back,
		2783	# coro crashes during coro_state_free->destroy here.
2389		2784
2390	$LINK_MAP->width (41);	2785	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2786	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,	2787	after => 0,
		2788	data => WF_AUTOCANCEL,
2400	cb => sub {	2789	cb => sub {
2401	$_[0]->w->cancel;	2790	do_reload_perl;
2402		2791	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	});	2792	},
2421		2793	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2794	}
2427		2795
2428	register_command "reload" => sub {	2796	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2430		2798
2431	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2800	$who->message ("reloading server.");
		2801	async { reload_perl };
2435	}	2802	}
2436	};	2803	};
2437		2804
2438	unshift @INC, $LIBDIR;	2805	unshift @INC, $LIBDIR;
		2806
		2807	my $bug_warning = 0;
		2808
		2809	our @WAIT_FOR_TICK;
		2810	our @WAIT_FOR_TICK_BEGIN;
		2811
		2812	sub wait_for_tick {
		2813	return unless $TICK_WATCHER->is_active;
		2814	return if $Coro::current == $Coro::main;
		2815
		2816	my $signal = new Coro::Signal;
		2817	push @WAIT_FOR_TICK, $signal;
		2818	$signal->wait;
		2819	}
		2820
		2821	sub wait_for_tick_begin {
		2822	return unless $TICK_WATCHER->is_active;
		2823	return if $Coro::current == $Coro::main;
		2824
		2825	my $signal = new Coro::Signal;
		2826	push @WAIT_FOR_TICK_BEGIN, $signal;
		2827	$signal->wait;
		2828	}
2439		2829
2440	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2831	reentrant => 0,
		2832	parked => 1,
2442	prio => 0,	2833	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2834	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2835	data => WF_AUTOCANCEL,
2445	cb => sub {	2836	cb => sub {
		2837	if ($Coro::current != $Coro::main) {
		2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2839	unless ++$bug_warning > 10;
		2840	return;
		2841	}
		2842
		2843	$NOW = Event::time;
		2844
2446	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2447	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2449		2849
2450	$WAIT_FOR_TICK->broadcast;	2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2851	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2852	Coro::async_pool {
		2853	write_runtime
		2854	or warn "ERROR: unable to write runtime file: $!";
		2855	};
		2856	}
		2857
		2858	# my $AFTER = Event::time;
		2859	# warn $AFTER - $NOW;#d#
2452		2860
2453	# if we are delayed by four ticks or more, skip them all	2861	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455		2863
2456	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
		2866
		2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2868	$sig->send;
		2869	}
		2870	while (my $sig = shift @WAIT_FOR_TICK) {
		2871	$sig->send;
		2872	}
		2873
		2874	_post_tick;
2458	},	2875	},
2459	);	2876	);
2460		2877
		2878	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2879	BDB::max_poll_time $TICK * 0.1;
2462		2880	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2881	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2882	fd => BDB::poll_fileno,
2465	poll => 'r',	2883	poll => 'r',
2466	prio => 5,	2884	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2885	data => WF_AUTOCANCEL,
2473	after => 0,	2886	cb => \&BDB::poll_cb,
2474	interval => 10,	2887	);
2475	cb => sub {	2888	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2889
2477	write_runtime	2890	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2891	my $status;
		2892	my $current = $Coro::current;
		2893	(
		2894	sub {
		2895	$status = $!;
		2896	$current->ready; undef $current;
		2897	},
		2898	sub {
		2899	Coro::schedule while defined $current;
		2900	$! = $status;
		2901	},
		2902	)
		2903	};
		2904
		2905	unless ($DB_ENV) {
		2906	$DB_ENV = BDB::db_env_create;
		2907
		2908	cf::sync_job {
		2909	eval {
		2910	BDB::db_env_open
		2911	$DB_ENV,
		2912	$BDBDIR,
		2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2915	0666;
		2916
		2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2918
		2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2920	$DB_ENV->set_lk_detect;
		2921	};
		2922
		2923	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2924	};
2480	},	2925	}
2481	);	2926	}
		2927
		2928	{
		2929	IO::AIO::min_parallel 8;
		2930
		2931	undef $Coro::AIO::WATCHER;
		2932	IO::AIO::max_poll_time $TICK * 0.1;
		2933	$AIO_POLL_WATCHER = Event->io (
		2934	reentrant => 0,
		2935	data => WF_AUTOCANCEL,
		2936	fd => IO::AIO::poll_fileno,
		2937	poll => 'r',
		2938	prio => 6,
		2939	cb => \&IO::AIO::poll_cb,
		2940	);
		2941	}
		2942
		2943	my $_log_backtrace;
		2944
		2945	sub _log_backtrace {
		2946	my ($msg, @addr) = @_;
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	# limit the # of concurrent backtraces
		2951	if ($_log_backtrace < 2) {
		2952	++$_log_backtrace;
		2953	async {
		2954	my @bt = fork_call {
		2955	@addr = map { sprintf "%x", $_ } @addr;
		2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2958	or die "addr2line: $!";
		2959
		2960	my @funcs;
		2961	my @res = <$fh>;
		2962	chomp for @res;
		2963	while (@res) {
		2964	my ($func, $line) = splice @res, 0, 2, ();
		2965	push @funcs, "[$func] $line";
		2966	}
		2967
		2968	@funcs
		2969	};
		2970
		2971	LOG llevInfo, "[ABT] $msg\n";
		2972	LOG llevInfo, "[ABT] $_\n" for @bt;
		2973	--$_log_backtrace;
		2974	};
		2975	} else {
		2976	LOG llevInfo, "[ABT] $msg\n";
		2977	LOG llevInfo, "[ABT] [suppressed]\n";
		2978	}
		2979	}
		2980
		2981	# load additional modules
		2982	use cf::pod;
2482		2983
2483	END { cf::emergency_save }	2984	END { cf::emergency_save }
2484		2985
2485	1	2986	1
2486		2987

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